9 Math Riddles That'll Stump Even Your Smartest Friends

Math puzzles and maths games continue to become more and more popular. They seem very easy at first, but many people end up getting them all wrong. Do you want to test your logic skills?
TIMESTAMPS
Your telephone's number pad 0:21
Fix a math equation 0:59
What is half of 2+2? 1:40
What is 50% divided by 2? 2:07
Make 1000 by using 8 exactly eight times 2:41
Can you take 1 from 19 and leave 20? 3:20
If 1/2 of 5 is 3, what is 1/3 of 10? 4:02
Thumbnail math game 4:41
Can you figure out the last number in the sequence? 5:33
#mathgames #mathtricks #mathriddles
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[@BRIGHTSIDEOFFICIAL]

Hey there! How good are you at math? Really good? Then try to solve these riddles from the 18th century kzbin.info/www/bejne/pnyzh6CGq72om8U

[@ezrobot7]

First to reply 🥶🥶🥶

[@Skeptic56]

Good job teaching me wrong answers like #5

[@ellajay4818]

BRIGHT .

[@gabbybeydoun7719]

I think it is for number 51122?

[@liamosborne6859]

BRIGHT SIDE #5 IS WRONG

[@aishanibal8005]

2:43 is not 1 it's 0.25 because 50% = 0.5. 0.5 divided by *2* not *1/2* is 0.25. *Gosh*

[@tunatuna7686]

Dambe dambel talaga brighy side

[@katerinaallan1473]

Yup

[@jaylah.hiciano]

Yes

[@RandomTNC]

Exactly! He can’t count! Number 8 he got wrong on too!!!

[@pete4416]

yesss

[@nnyrb1]

Uhh #5 the question was divided by 2 and in the answer they changed it to divided by 1/2. 50% divided by 2 is definitely 25%. It would be multiplied by the reciprocal (1/2) not divided by it.

[@aliwerm5376]

thank you, that was a typo! so then if you actually get 95

[@jasonclifford1363]

Same Answer

[@oovoojaver179]

Thank god. I’m on Spring Break so I thought I suddenly couldn’t do math.

[@sayfulmiah8120]

50%=50/100=1/2 1/2:2=1/2•1/2=1/4 the answer is 1/4

[@sayfulmiah8120]

And in parcentage 25% you’re right #pop Tart

[@Synaptic_Synthesizer]

For the last question here is my explanation to the answer: The first term is "1", which is read as "one 1". The second term is "11", which is read as "two 1s". The third term is "21", which is read as "one 2 and one 1". The fourth term is "1211", which is read as "one 1, one 2, and two 1s". The fifth term is "111221", which is read as "one 1, one 1, two 2s, and one 1". The sixth term is "312211", which is read as "three 1s, two 2s, and one 1". The pattern continues by describing the previous term in terms of how many of each digit it contains. For example, the seventh term would be "13112221", which is read as "one 3, one 1, two 3s, three 2s, and one 1". Therefore, the seventh term in the sequence is "13112221"...

[@rustyrabbit9017]

That's really smart!

[@Jack71211]

1 comment a four likes? Lemme fix that

[@MeIsCalledAndrewPlayz]

That’s my idea also

[@benjaminsakaio1348]

Boiiiiiiiiiiiiiiiiii that is not correct but it is 500123

[@thunderbunny40]

@@benjaminsakaio1348how

[@elephantparty]

I asked Google what 50% divided by two was and me and Google got 25. So it wasn’t one after all.😮

[@YanGabriel39]

In this case it’s 25%, not 25 😅

[@nnnikptr4895]

its because 50% divided by two is basically 50% multiplied by 1/5. he instead divided 50% by 1/2 which is incorrect.

[@jeniada1228]

I got 25%!!

[@samwong3660]

Is 0.25

[@honybun]

​@@samwong3660it the same thing 💀💀👺👺

[@spiffycat]

Thumbnail : only two percent of people can solve this. Me : Did you mean: Only two percent of bright side workers can solve this?

[@Mari-gq2jp]

Yes the thumbnail answer is 1 cuz 1+1+1+1+1+1+1+1+1+1+1+1×0+1 =1

[@Mari-gq2jp]

@Cherry Dayz yes so the answer is one

[@spiffycat]

@Cherry Dayz you and Mary Powell are both working for bright side, or do you people also don't see that 50%/2 is 25%??

[@baobaoliu8544]

@Cherry Dayz bruh. 1+1+1+1+1+1+1+1+1+1+1+1×0+1 1+1+1+1+1+1+1+1+1+1+1+0+1 12

[@baobaoliu8544]

@@spiffycat and 50%/2 = 25%

[@neelaysachdeva844]

This man asked what 50% divided by 2 was and then just changed the question to 50% divided by 1/2 when he gave the answer🤦‍♂️

[@vivianpaul2078]

Exactly man

[@agastya_10a57]

ya dude

[@irawashington902]

That made me so mad

[@randomasterisk2961]

Yes

[@Zxilky]

This video is one years by now how are you watching this o yeare 👦🏿they have 36 million subcribers

[@tismeetarora5153]

Me - *thinking Im soo smart* Also me - Using a calculator the whole time

[@nileshpatel4342]

No cheating

[@davidstory3338]

also me lol

[@eldecalunsag2490]

Me too

[@ozgamerab8780]

As top of a year 8 class, I have gotten all the LOGICAL questions correctly, because I don’t understand how 50%/2 became 0.5/0.5 (yes 50% makes 0.5, but what happened to the 2?)

[@choerrim7745]

3:07 YOU ARE *NOT* DIVIDING BY 1/2, THE QUESTION STATES YOU'RE DIVIDING BY 2. BOTH RESULT IN DIFFERENT ANSWERS SO IT WOULD ACTUALLY BE *25%*

[@emmadee242]

UMM FINALLY SOMEONE ELSE NOTICED THANK YOU OML

[@Mt-wl3dy]

So um.. 1/4 and 25% is the same thing right?

[@johnlemon4450]

Triggered

[@pomegranate10017]

mirrorcal EXACTLY THE LOGIC IS UNACCEPTABLE

[@golastname7686]

And what is that symbol he uses for division? Just no.

[@Ryanrohrr]

Some riddles aren’t worded right or even correct

[@arizaitrat1765]

Did u ply brawl stars

[@advayiyer6456]

Slydawg16 yeah Q5 especially he sais 50 percent by 2 not by half so it’s 25 percdnt

[@surfvolume]

This is bright side's revenge on the "vicious" math teacher.

[@savannahbanana1124]

First half of 50 is 25 Second anything that has no parentheses has to be done step by step from left to right Third anything times 0 is 0 plus 1 is 1 the answer is 1 because there are no parentheses

[@raleighkeagstrong6165]

@@savannahbanana1124 No, it's not left to right. You have to use the order of operations. Brackets, then exponents, then multiplication or division (whichever comes first), and then addition or subtraction (whichever comes first). So it would be 1 + 0 + 1 which equals 2. Secondly, if you have four objects, 50% of that is two objects and 2 divided by 2 is 1, so technically you're right because 1 is 25% of 4. But if you look at it mathematically instead of materialistically, 50% is equal to one half. One half divided by 2 is the same as 1 times 2 divided by 2. That equals 1. The video explained it wrong, you're right, but your answer is also technically wrong.

[@geniusabhirajaggarwal4943]

This silly man just wrote 50% divided by 2 and changed the question and gave the answer by 50% divided by half

[@bogdanudrescu]

#5 is "What is 50% divided by 2?". However the answer provided is for "What is 50% divided by half (1/2)?"

[@dhanasekaransundaram4141]

Careless teacher. Not fitting for his post. He has to apologise at least for wrong guidance for solving the problem" 50% divided by 2". The answer is 1/4. But the answer wrongly given was 1 , answer for 50% multiplied by2 or divided by 1/2. Such persons should be condemned fortheir carelessness..

[@rajkumardas3087]

Puzzle 9: 1 , 11 , 21 , 1211 , 111221 , 312211 what is the next number? This puzzle is solved by my brilliant friend Dibyendu patra. According to his logic 1 is called ' one 1 ' that means - 11 11 is called ' two 1 ' that means - 21 21 is called ' one 2 one 1' that means - 1211 1211 is called ' one 1 one 2 two 1' that means - 111221 111221 is called ' three 1 two 2 one 1 ' that means - 312211 312211 is called ' one 3 one 1 two 2 two 1' that means - 13112221 13112221 is the right answer.

[@bhoominogia425]

I got the same answer

[@rajkumardas3087]

@Elijah Hughes absolutely right 👍👍, this puzzle is amazing isn't it?

[@ablox4343]

So close I switched the first one into a 4

[@Tarttaken]

AMAZING

[@phoenixsimurg7692]

Same lol

[@inasismail306]

3:05 what you said divided by 2 not divided by 1/2 you literally just changed the question

[@Neet_Marathon]

Yes

[@junkyarddon]

1/2÷1/2 it’s not one

[@yikeda2008]

Add a comma, e.g: *What is half of 2 + 2 ?* It implies 2 + 2 then divide. *B U T* *What is half of 2, (

[@Shmmxv22]

Me reading this at 3:05 pm

[@ashutoshtiwary2760]

Yes

[@nos79849]

Bright side can't even solve this and giving the wrong answers 😂

[@Logsincos]

Everyone did the last one incorrect. If the sequence is correct, the last number needs to be infinity. The question asks the last number not the next one.

[@larcurie]

Does that mean the answer is "Yes, I can"? (you said it is infinity and the question started with "Can you") Also it said number and I'm not sure if infinity is a number.

[@zae0616]

The question What is half of 2 + 2 is ill formed and ambiguous. PEMDAS / BODMAS applies to math equations, but the rules and conventions of the English language also apply to word problems. People are not wrong to interpret this as 1/2 * (2 + 2). If you meant 1/2 * 2 + 2, then you should have said what is half of two, plus two using rules of English to hint at the precedence intended.

[@antaresautomatyka9288]

Not to mention he reads the question: "what is half of (small pause) 2+2.

[@chilk4508]

The questions are made to trick you

[@Bropann]

And if you listen to the way he states the problem he compounds the distortion.

[@dessertlover4432]

I use pemdas. Percentages Exponents Multiplication Division Addition Subtraction Pretty simple.

[@narakmar6666]

So basically I got it correct even tho this guy is coming with a different answer from outer space.🙄🙄🙄😠😠😠😠

[@srbinponosan2434]

#5 is wrong. 50% divided by 2 is 25% or 1/4. Dividing by 2 is actually multiplying with 1/2 and not dividing by 1/2!!!

[@okay-pi3334]

Srbin Ponosan yup 50% is 1/2 and 1/2 / 2 is 1/2*1/2 or 1/4

[@spider_gwen_]

Srbin Ponosan that is true! I they say we have to work on our math, no it’s the other way around.😤

[@NK2000_YouTube]

Srbin Ponosan Actually I also agree

[@jokicker]

I thought the same way as u guys

[@wasabi1873]

Srbin Ponosan nice job man I got confused and didn’t realize that they were wrong, maybe most of us except from you should work on our math

[@user-bj8pr1ld6d]

I was really happy when I saw that I got 7/9 riddles/puzzles correct!

[@molluskmercenaries2238]

@BRIGHT SIDE, #3 I said three because I could tell it was the answer you were looking for, but when you say this it all depends on the way you annunciate. The way you said it, I would assume there is parenthesis around 2 + 2, otherwise, there should be a pause after the first two. I like math more than english too, but they sometimes work together.

[@thedudeofdarkness8002]

#5 is wrong To divide by 2 is not dividing by 1/2, it's multiplying by 1/2. If 50% is represented by 1/2, then 1/2 ÷ 2 = 1/2 *1/2 = 1/4 , not 1

[@jaketurnbull23]

TheDudeOfDarkness so is number three

[@chrischris765]

That's exactly what I thought. When they said what the answer was, I was like THATS NOT RIGHT 50 DIVIDED BY 2 IS 25 AND THERE IS NO OTHER ANSWER

[@barfcraft]

oh yea

[@savagebastard986]

TheDudeOfDarkness same with 1+1+1+1+1+1+1+1+1+1+1+1×0+1 they claim it's 2 but it's 1 cause it would be 12×0 plus 1 which is 1

[@whatiswhat5803]

TheDudeOfDarkness no when an equation is in divide then it goes as multiply(reciprocal) that's why 1/2*1/2=1/2*2=2*2=1

[@mohamadhairee3234]

i dont literally agree with riddle three cause the answer is 2 explanation: *HALF* (of 2 + 2) =2 + 2 =4 divided by 2 =2 The Main Word here is *of*

[@derpy7749]

But it says what is half of 2 +2 Half of 2 is 1 and 1+2 is 3. You just have to think about it.

[@derpy7749]

You have to think outside of the box lol

[@Hi54414]

also its in fractions half of 2 is 1 so you use 2 and 1 then add them also what between 2 and 4 its 3 so it will be 3 and 3 its like the half point between those two numbers

[@Baehry]

He said half of 2 which is 1+2 and it's three

[@Epicicness]

We first do divided

[@samirudinsolayman8992]

About the question 2 just follow the rule of P,E,M D,A,S /P 1/E 2/M 3/D 4/A 5/S 6/so multiply first because it was first/if theres P ( ) do the number inside it first and in the question ok so the answer was 12 even me myself was wrong i said 18😅

[@pt5465]

#8 answer should be 30. If you just listen, then the problem is 1+1+1+1+11+1+1+1+11+1x0+1= ie one+one+one+one+eleven+one+one+one+eleven+one times zero+one= thirty.

[@luksum7128]

OBJECTION!!! On number 5 you asked what is 50% divided by 2 but your answer was to the question what is 50% divided by half. The right calculation would be 1/2:2=1/4 or 25%

[@nicholaskortenhaus]

same

[@mikaeelshah7205]

Exactly. Basic maths.

[@alexanderdiaz9953]

Luksuman LuXuS ya

[@baobaoliu8544]

@The Anti - Clickbaiter Wait, you just said that 1/2 divided by 2 is 1, and that 1/2 times 2 is 1 in the same sentence. 1/2 divided by 2 is 1/4

[@oleanonymus3014]

5 is wrong too. Half of 50% are 25%! Even if it is right that 1/2 / 1/2 one is; divided by 2 is multiplied by 1/2!!!!!!!!!!!! You have 12 apples, you share half of them with your friend, and a friend of him shows off, your friend shares his 50% with his friend so they have a even number: 3! Three is the 1/4 of 12!

[@peace2allmankind]

Indeed!!! Instead of dividing 50% by 2, he divided it by 1/2...

[@jeffrinn3241]

Bright side was right,buds.You want to think outside the box?You better think outside the planet for this one.

[@lebach161]

Yup, 25%

[@iScream2367]

Yeah i was thinking the same it should be 25%

[@andymontgomery3304]

He put 50% as 1/2 but thats assuming he was talking about 50% of 1, which he never specified. 50% can be anything if you dont know what its of. For example, if it was 50% of 100, it would be 50 divided by 2 and you would get 25 instead of 1. So as far as Im concerned he did this incorrectly

[@Anormalswiftie13]

Plot twist: on number five you used your calculator and it said otherwise

[@aarushNair-kv5qp]

Bro!deciding means how much given number is there in the total number,so,40 decided by 1/2 is 20.and the answer for 4th question is 35.u r the baddest maths riddle maker ever exist!

[@nicholaswilley9001]

#5 didn't say 50% divided by 1/2...It said 50% divided by 2...Sloppy presentation or cheating: I don't know which...

[@therealpapahex3299]

I agree totally. Because Ik 50% is equal to 1/2 but idk where he got the other half from when the question clearly said 2. In math when you divide fractions your supposed to change the division sign to multiplication and change the fraction to the left of the equation to its recipricol. The presentation did Change 2 to 1/2 but didn’t change the division sign. Which leads to an incorrect answer. The answer is supposed to be 0.25 or 1/4. Ik its a lot lol, please correct me if I’m wrong.

[@arnavmathur6781]

I agree bright side is wrong

[@donghuili4257]

I agree too I don’t understand this type of math problem. Probably because the point was to stump people’s minds

[@donghuili4257]

Hey I think that why they said 50% divided by 2 is 1 because the speaker meant 50% divided by 2 variables itself (50%). Meaning 50% divided by 50%. But still 50% divided by 2 is still 25% only if not mentioned what it meant

[@BGamers11]

The problem is: the question was different from the answer. He did say: 50% divided by 2, not divided by 1/2.

[@funnyinternetman8020]

Maths questions be like: Johnny has ten apples, He is ten schools late for work. Calculate the mass of the sun.

[@jimic9511]

Stolen from a test meme For likes You're not Original

[@Cheeser_bobeeser]

@@jimic9511 so? People can do what theywant

[@jimic9511]

@@Cheeser_bobeeser I dont care Desperate ppl begging for likes by stealing memes someone else made its annoying

[@Cheeser_bobeeser]

@@jimic9511 did he say Like if NO

[@versette7950]

Jimic 45 just ignore them and don’t make drama.

[@Priyanka-zy9ln]

I think there might be a small mistake here! The half of 2+2 is not 3. Let's break it down: 1. First, calculate 2+2 = 4 2. Then, find half of 4, which is 4 ÷ 2 = 2 So, the half of 2+2 is actually 2, not 3!

[@melodyszadkowski5256]

Please My Dear Aunt Sally will save you almost every time.

[@nickronca1562]

Why would you ask "What is 50% divided by 2?" and then do 50% divided by a half instead to get your answer? Yes 50% divided by a half is one because dividing by a half is the same as multiplying by 2 and 100%=1, but you didn't say "divided by a half" you explicitly said "divided by two". So why are we dividing by a half instead? Did the team of writers even proof read their own videos? Very unprofessional.

[@kumarineha4701]

I did 1/2÷2=1/2×1/2=1/4. You are right

[@dawnsmith8339]

I was going to comment this, thank you.

[@stevenrobertson4470]

Amen brother! Maybe thinking a little too far outside the box!

[@pasta7609]

It’s very true , I got confused

[@ckeet2.084]

this is like rocket science

[@TheoZeciu]

3:15 that is not correct because you said divided by 2 gura da miel ca nu ma faci tu pa mine

[@senpai-ty5up]

😂😂😂😂

[@mmiiaauuu]

Adv gura

[@xcriss99x28]

Cine de pe live? 😂 😂

[@fulg3rx84]

GURA DE MIEL AL NOSTRU E PREA DEȘTEPT PT ACEASTA PLANETA 🤣

[@S7EFAN]

😂😂

[@ZombieNick9]

I might be wrong, but isnt #2 Wrong? 3+9-3+3 12-3+3 12-6 6

[@chrisyoutube08]

Bruh 12-3+3=12 it's not 12-3-3 which is 6 look at the signs

[@annawan1395]

11->two ones->21->one two, one one->1211

[@bushrashaikh8080]

50%÷2=0.25 (I checked on calculator) Like if anyone agree

[@markoskerbis5928]

no is 25

[@superaddie8909]

Well I did fractions so 50/100 and 2/1 then divide both and get the answer

[@salvadorselwenjanne.6365]

I agree

[@elizabethann.youtube]

This is the correct formula 50% = 1/2 1/2 ➗2 is the same as 1/2 ➗1/2 but you still need to multiply by the reciprocal So.... 1/2✖️2/1 which is 2/2 which equals 1 So 1/2 of 50% =1

[@theomarcot4164]

@@elizabethann.youtube no you're wrong. 1/2=0,5 agree ? So 0,5/2=0,25 not 1 it's simple

[@doomslayerobama]

#8: "The first 2 lines aren't part of the equation"THEN WHY DID YOU EVEN SAY THAT!?

[@elenatodorovski2766]

Yeah u right

[@benluyp4086]

Just to make it difficult

[@redwolf2594]

Exactly. Just give the bloody question and be done with it.

[@loocw3075]

Wrong

[@emilyread3315]

So true, the whole point is to confuse

[@LocalBroYT]

The thumbnail’s answer is 1. First, we use the order of operations, and it says that multiplication comes before addition. Do 1x0=0, then do 1+1+1+1+1+1+1+1+1+1+1=11. Then, do 11x0=0, then do 0+1= 1. There’s your answer.

[@phobiez27]

What happened to my brain cells? Not even them can handle this video

[@glutenfreebreadmapping2596]

#3 is not a math riddle, it's an understanding/terminology riddle. You never specified which way to solve it. Cheap

[@glutenfreebreadmapping2596]

They didn't write it as a math expression though.

[@hccrle]

Fro Zen: Not if you follow the order of operations.

[@hccrle]

super duper uber oranges: it's a math expression written with words instead of symbols. I have to admit I made the same mistake, at first.

[@mirodzifcak3868]

You are absolutely right

[@chloemorton4236]

Number 3 is utterly misleading. The way the question is phrased, there is nothing separating the first 2 from the other 2. When you don't write the equation in mathematical expression is leaves room for interruption. (2/2)+2=3 but (2+2)/2=2. The the fact that 2+2 is the only part of the question written numerically implies that the expression is in parenthesis or otherwise grouped. This is not a riddle; it is a misleading question. -Sincerely IB Pre-Calculus Student and HL Math Student

[@chloemorton4236]

And another thing, on question 5 diving by 2 is the same thing as multiplying by 1/2 NOT dividing by 1/2. That makes the answer to the question utterly wrong.

[@thecrowbar2062]

Don't forget, same with 4. He didn't put any commas or other punctuation, so it actually says to divide 40 by 15.5. Clearly, this will result in a messy rational number so people automatically go for the other way, but still, 40/15.5 is correct

[@tmnimusic]

Division comes before addition in the order of operations so the 2/2 automatically comes first unless specifically stated that the addition comes before.

[@thecrowbar2062]

Yes, but he verbally implied parentheses, because he didn't insert any commas

[@alanahvasquez8909]

Chloe Morton, exactly these answers aren't correct, he needs to go back to school FOR REAL 😳🙄😒....😄🤓🤓🤓

[@user-kx4pp1yw1r]

You said using 8 exactly 8 times but not only 8. So, adding 8 eight times gives 64 and adding 936.

[@av_avaaver7147]

Number 2 is incorrect. If you had brackets in those spots, then yes, it would be 12. But its actually 18.

[@thomasharding1838]

NO, PEMDAS or the other one, DUMBAS says you do brackets first then multiply and devide then add and subtract. So, 1x0 = 0 THEN you ADD that to the first 1 and then add the last 1 for a total of 2. But you do ignore the first two lines because they are not mathematically connected to each other or the third line.

[@davidbucog2844]

The last problem at the end of the video is called "Look-and-Say Sequence" To generate a number of a sequence from a previous number, read off the digits of the previous number, counting the number of digits in groups of the same digit. For example: 1 is read off as "one 1" or 11. 11 is read off as "two 1s" or 21. 21 is read off as "one 2, then one 1" or 1211. And so on. So the next number of the problem is "one 3, one 1, two 2s, two 1s" or 13112221. Fun fact: If you start with 22, it will stay itself forever. 22 is read off as "two 2s" or 22.

[@aliciaancira9593]

I have no clue what you just typed but ok

[@bhumi8064]

Umm.... Yeah i understood 😅😅😅

[@yayatheobroma929]

Other fun fact: there can never be a 4 in the sequence…

[@tsvetentse]

Thank you for the answer it was really bothering me!!!

[@lizbennett5468]

OK thx I typed my own but this one makes more sense tbh

[@paulcrewe3125]

Someone with a brain will understand that some of these don’t make sense and some answers are wrong; it’s as if the test sheet doesn’t match the answer sheet. It reminds me of incompetent tutors.

[@leenahabbas]

True

[@TheReciosAdventures]

I agree with you.

[@saiyanshinobu5509]

4:44 Wouldn't the answer be 30?? If you were to write the entire equation in a straight line, you'd get this: 1 + 1 + 1 +1 + *11* + 1 + 1 + 1 + *11* + 1 × 0 + 1 There were no addition signs when starting the next rows, so we get two pairs of 1's, which turn to 11. 1 + 1 + 1 + 1 + 11 + 1 + 1 + 1 + 11 + (0) + 1 = 30 If you think I'm wrong, I honestly don't care...

[@thebaseballcow2024]

WAIT YOUR CORRECT THATS GENIUS

[@thomasharding1838]

@@thebaseballcow2024 WAIT YOU'RE CORRECT THAT'S GENIUS

[@shreyas6225]

No logic in your questions except the first one

[@jeffrinn3241]

Number 5:Let's do it with an example. Okay,question is "what is 50% divided by 2"? I've an apple in my hand,only one apple. Apple's 50%=half of the apple. That means half of the apple divided by 2=simple,it's a quarter. Ok another example with 2 apples. I've two apples in my hand. It's 50%=1 apple. 1 apple divided by 2 equals "half apple" So it's clear.we took two apples ended with a half of apple,means 25%. Like if you get me.

[@longstrider2734]

jeffrin n Number 5 is right The answer is 1. 2= 2/1 50% = 1/2 1. 2 _. _ 2. 1 Remember the process would be multiplying across getting 2/2 equaling 1. E/ i multiply across ( numerator × numerator [ 1×2] and denominator × denominator [ 2×1]) Otherwise there is the extra step of changing signs. To change divide to multiply you simply flip the fraction. So 1/2 ÷ 2/1 is the same as 1/2 × 1/2. 1/2 × 1/2 = 1.

[@Shepz]

jeffrin n not how it works tho

[@jeffrinn3241]

Jacob Legault just tell me this honestly,what is 50% × 2 = ?

[@Shepz]

Well 50% is 0.5. 0.5/2=0.25 right?

[@jeffrinn3241]

Clash Nite i am talking about multiplication,dude!

[@kendaldawn0512]

Actually, 50 percent divided by 2 (as was the question) is 25 percent. You can even put it into a calculator and check. You just did the math wrong.

[@fizzaz3516]

huh

[@danclibbon1043]

50% divided by 2 is the same as 1/2 times 1/2 rather than 1/2 divided by 1/2 like the video says

[@ab6ie]

I thought it was 25%. You can't just say it's 1/2 like in the video... can you?

[@danclibbon1043]

im agreeing with you mate 1/2*1/2 is 1/4 or 0.25 or 25%, the video says its the same as 1/2 divided by 1/2

[@greatome1233]

I agree with you. He didn't say divided by 1/2, he said divided by 2. He is absolutely wrong on that one. I agree that it is 0.25, or 25%

[@ozgamerab8780]

Wow, everybody is complaining about the question 50%/0.5 :)

[@QUIZLAB7]

📊 The last one is difficult though.

[@cat_luna4598]

Him: math riddles that will stump your smartest friend Me: I am my smartest friend

[@epiclegendproman4400]

Same

[@ronaldaltivo5827]

Are you sure your smart

[@epiclegendproman4400]

Yes

[@ultraplayz7247]

OMG I literally am the smartest kid in my class and probably the school to so you’re right GG

[@astarreditz]

Same

[@skeetyweety3681]

#5 is completely wrong.. If 50% = 1/2 then it is 1/2 divided by 2 which is 1/4. 1/4 = 25%

[@jackiesnackie.3690]

1/2 divided by ____ = double

[@audrey5749]

Idon Tknow 50%=1/2. Then you need to divide by 1/2 which is basically 1/2x2/1 which gives you 2/2 which is equal to 1

[@skeetyweety3681]

Audrey Violinist I will put it in other words. Just drop the percentage from 50. Then the question would be 50 divided by 2, which is 25. Then just add the percentage back.

[@peacejasmine828]

Idon Tknow I thought it was 0.25

[@skeetyweety3681]

peace Jasmine 1/4 is the same as 0.25

[@RichXZ]

For the last question at 5m42 he reads the wrong number - he leaves out a "1" Mind you he's correct about not knowing the answer as there isn't really enough detail to explain what the sequence is about

[@georgemathiellis5486]

50% is wrong , half of 2+2 is ambiguous and you have to be twice as smart as Einstein to figure out the roman numerals in 15 seconds ......

[@Lokana]

As others pointed out, #5 is incorrect. I kept shaking my head saying, "No, you said divide by 2, not divide by 1/2," and scrolled down to the comments to see if anyone else saw the same.

[@lenigarcia2466]

Lokana you are wrong because when you divide a whole number by a fraction you basically multiply the whole number by the denominator of the fraction which gives you 2 40•1/2=40*2 May I ask how old you are because you learn this in fifth grade but if you are younger than that I may see how you get confused because you didn’t learn this yet

[@freakysidekicks2315]

Finally, someone who gets it

[@haytamhaytam7227]

no its correct 1/2 divided by 2 is 1/2/2 who means 2/2=1

[@skyshooter66]

Lokana I did, I was so mad about that!

[@davidfenger388]

In #7 I answered negative numbers, which is still correct because -19-1 = -20

[@skyduster3815]

5 is wrong, at first you said it is divided by 2, but in the explanation you acted like you said its divided by 1/2

[@alaska7149]

SkyDuster 1 is half of 2 = 1/2 😁

[@shen144]

Sky Duster is right. The answer is 1/4. 50% split into groups of 2 gives 2 groups of 25%

[@bujin1977]

I agree. I suspect a mistake in the question rather than the answer. Dividing by 2 is not the same as dividing by a half - it's the same as multiplying by a half.

[@danielmolnar2878]

True

[@connorjones5512]

SkyDuster keep change flip

[@user-xr6xi5ym6e]

1+1+1+1+1 1+1+1+1+1 1+1x0+1=30. The equation doesn’t have a plus at the end so we count it as 11. We can write the equation like this: 1+1+1+1+11+1+1+1+11+1x0+1=30. The reason is you have to do multiplacation and division first. 1x0=0. Then, plus the others togheter and you get 30

[@thomasharding1838]

If you are going to split and equation into multiple text lines, you must end each line, or begin each line, with a math function and NEVER SPLIT THE DIGITS OF A NUMBER between lines. So that question consisted of two line of numerals and plus signs, and the third line is the equation itself.

[@user-xr6xi5ym6e]

At question 5, he wrong. 50% : 2 is equal to 1/2 : 2. When dividing fractions, you multiple first fraction by inverted second fraction. 1/2 : 2 is equal to 1/2 x 1/2. 1/2 x 1/2 = 1/4. 1/4 = 25%. So 50% : 2 = 25%

[@blenderfox]

The last one is a "look and say sequence" The current term is how you read the previous term, dropping any plurals 1 is the first term 11 is how you read the previous term "one one (a single digit 1)" 21 is how you read the previous term "two one (two single digit 1s)" And so on: 1211 is "one two, one one" (reading 21) 111221 is "one one, one two, two one" (reading 1211) 312211 is "three one, two two, one one" (reading 111221) So the missing term is: 13112221 -- "one three, one one, two two, two one" (reading 312211) The next term after that would be: 1113213211 -- "one one, one three, two one, three two, one one" (reading 13112221) And so on...

[@gschowdareddy4456]

Bro ur so intelligent ,,, 👌👌👍👍

[@shyamrr7339]

The explanation is correct, but the question is the last number in this sequence which can never be found as the sequence goes on and on.

[@blenderfox]

@@shyamrr7339 That is true. There is no "last" number. The question should be "what is the NEXT number in this sequence."

[@shyamrr7339]

@@blenderfox yes this is a tricky one as many would try to find the last by thinking days and nights.

[@Vijay_helo]

CANT UNDERSTAND

[@juniorleyva3828]

Have you heard of parentheses I hear they’re really important

[@alorasgarcia]

Ikr like at least use parentheses

[@shadowjakeshadow1153]

ye

[@markcabotage3415]

Exactly

[@fleshplayingthings]

Ikr

[@Jessica-pb1os]

division and multiplications😃

[@joeyjoey4021]

the awnser to the phone would be zero.

[@dontbered]

1, 11, 21, 1211, 111221, 312211, 13112221, 1113213211, 31131211131221, ... (sequence A005150 in the OEIS). To generate a member of the sequence from the previous member, read off the digits of the previous member, counting the number of digits in groups of the same digit.

[@warshaahmed]

I feel like even 5yr olds are smarter than these bright side workers

[@ruthhumphreys8752]

Same

[@poo_tato9915]

I know

[@ilovegaren5943]

At #4 he says half of 40 is 80 + 15 = 95 ???😅😅😅😅

[@warshaahmed]

i love garen ikr

[@iloveihateu]

FuzzyUnicorn agreed

[@fryguy4970]

Roses are red Violets are blue I just got clickbaited And so did you

[@user-hs7sc1wx1z]

No it's just that only 2% of the 2nd graders can solve these

[@kay-yg2rl]

I solved the last it is 3111221

[@grillz.2030]

Corrosion 7 I feel you

[@plickgaming4035]

@@user-hs7sc1wx1z and that bright clickbaited us

[@bhupendramaheshwari8628]

Right

[@ModelXAviation]

90 divided by 10 is 9 4 x 3 is 12 because there are 4 groups of 3

[@alexander499zero]

2:04 No, wrong The Emphasis was on wrong so it's 2! HAHAHA

[@lonelygirl2073]

#5 is wrong. Let's just say we reduced 50/100 (50%) to 1/2. So after that, you don't divide after you flip the fraction 2/1 to 1/2.... you multiply, and you get 1/4. and if we didnt reduce, we would have gotten 25/100 (25%) or 1/4. It's simple math dude..

[@tonybenner3284]

Doll videos

[@roosterbugalugs3967]

Lynka Luvs Gamez 2 and 4 is also wrong

[@dennisrust]

lol i thought that i'm an idiot but i was right

[@thearcticfinger]

Ya you are right this man cannot math correctly

[@dennisrust]

Rena Whitlock the man said half from that number which represents division and 50% procent is always a half not 2

[@poetictions]

For #7... If we write 19 as (20-1) and the we take the 1, we get (20-0) which is equal to 20!

[@shravkumar5373]

Genius! 😎

[@tarangpatil6952]

Smart

[@thedegoodfamily5748]

👍👍👍👍

[@sovitsahu6340]

Very smart

[@adrianlaconsay8843]

Genius. 😆

[@copperst741]

At this point even my dog can solve this

[@Cricdash]

If we leave the ones and go for the digits having the value more than 1, 3×[2+2]=12. So if we remove 3 and replace it with 12, it is 121221.

[@brokenmacintosh]

I am explaining/debunking all of these. *#1* The answer is, in fact, 0. 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x *0* = *0*. Anything multiplied by zero is zero. They were right about that. *#2* This one is 12, like they said. We use PEMDAS or BEMDAS to calculate. 3 + *3 x 3* - 3 + 3 *3 + 9* - 3 + 3 *12 - 3 + 3* *12* PEMDAS or BEMDAS shows that multiplication comes before addition and subtraction from left to right. *#3* This one was actually correct, contrary to what people think. The answer is 3, but it was phrased weirdly. Once again, PEMDAS or BEMDAS helps us solve. *What is half of 2 + 2?* 2 + *2 / 2* 2 + 1 = 3 However, the problem should have been phrased as “What is the sum of half of 2 and 2?” to avoid confusion. *#4* Yep. This is also correct. The answer is 95. Dividing by a fraction is basically multiplying by the reciprocal (which is the denominator and the numerator switched). PEMDAS or BEMDAS also helps us in this problem. *What is 40 divided by 1/2 plus 15* *40 / 1/2* + 15 *40 / 1/2 = 40 x 2/1* *80 + 15* 95 These past questions were correct, but these next questions are either super vague, or just plain wrong. *#5* I believe this one is incorrect. The answer is 1/4 or .25. *What is 50% divided by 2?* *50% = .5 = 1/2* *1/2 / 2* *1/4* The mistake they made was that they were dividing by 1/2, instead of 2. This leads to a completely different answer. *#6* Another correct answer. However, they do not give you enough time to think. *How can you make 1000 by using 8 exactly 8 times(only using addition)?* 888 + 88 + 8 + 8 + 8 = 1000 Not really an explanation for this one. It is kinda straight forward. They just don’t give you enough time. *#7* The people who thought this question didn’t think about how this video is about math and how using Roman numerals goes against it. The answer is actually impossible. You cannot do this. This is their logic: *Can you take 1 from 19 and leave 20?* XIX (19) - I (1) = XX (20) Math is about calculation, not cutting corners by completely flipping logic on its side. Completely incorrect. *#8* Yes, this is correct. The answer is 2 because the first parts of the equation weren’t part of it. However, completely excluding them doesn’t make sense. 1 + 1 + 1 + 1 + 1 1 + 1 + 1 + 1 + 1 *1 + 1 x 0 + 1 = 2* I get they are trying to get the mindset of “How can we fool these people?”, but it is still annoying. *#9* This is the question they told us to go to the comment section. However, using the mindset they have about these questions, I think I got it. The answer is 13112221. Let me explain (using their logic, of course). 1 11 because there is **one** 1, get it? 21 because there are **two** 1s. 1211 because there is **one** 2 and **one** 1. 111221 because there is **one** 1 and **one** 2 and **two** 1. 312211 because there are **three** 1s and **two** 2s and **one** 1. *13112221 would be the answer because there is one three, one one, two twos, and two ones.* Maybe these math riddles, or at least some of them, went over my head. But, when you say “math riddle”, I wouldn’t think Roman numerals.

[@brokenmacintosh]

Skander Souiai That is right as well. I use PEMDAS because that was what I was taught. There are multiple abbreviations.

[@turbo8628]

5 annoyed me cos i was sure i got it right. 7 i guess you can do 19 - -1 to make 20 (i didnt like that but felt better than roman numerals).

[@niranx_yt7084]

Escriblr oml this isn’t fair they taught me BODMAS 😤

[@wxnstonprivate2302]

Niran _YT Bodmas is bull

[@shyguy4654]

thank you for putting it that way

[@radiantrsc2433]

2:00 what type of logic is that? 2+2=4 half of 4 is 2 quick math!

[@chethanaarun8306]

We read it as half of (2+2) Acc to him it was( half of 2) +2

[@vijaychathe6294]

Question was what is half of 2 not half of 2+2

[@basically5470]

It's actually 3. Half of 2 is 1 then 1 + 2 is 3. Simple

[@ammarshala8650]

i could see why it's confusing because there are no brackets but if it was written like this 1/2(2+2) then it would equal 4

[@ammarshala8650]

o wait some guy already said that

[@lindawilckens5817]

For the what is half of 2+2 time my guy cut one of the two’s in half and not the other one 😂

[@lordsnowyiv]

siri has entered the video:

[@mymumoverwaterstheflowersd8071]

My guy says the answer is 1 when it’s 1/4 then has the audacity to say “Pull yourself together.” 💀💀

[@Error-gz3pp]

Yeah... and it’s not 1/2 DIVIDED by 1/2, it’s 1/2 MULTIPLIED by 1/2

[@richardxun7758]

@@Error-gz3pp Agreed.

[@UrBroAlex123]

@@Error-gz3pp yep

[@UrBroAlex123]

@Daryl James De Guzman no its wrong. u did it all right except 1/2 x 1/2 = 1/4 lol

[@UrBroAlex123]

@@daywing5642 but its not 50/100 x 2. its 50/100 divided by 2 so its 50/100 x 1/2 or 1/2 x 1/2 which is 1/4

[@MishraBrahma]

Can't believe you could not answer the last riddle! Here is the answer: 1 = one 1 = 11 (the next sequence) 11 = Two 1's = 21 (the next sequence) 21 = One 2 and One 1 = 1211 (the next sequence) 1211 = One 1, One 2, and 2 1's = 111221 (the next sequence) 111221 = Three 1's, Two 2's, and One 1 = 312211 (the next sequence) 312211 = One 3, One 1, Two 2's, and Two 1's = 13112221 (the final sequence) SO, the answer is 13112221

[@christmachu489]

Are you sure that's the final answer...if it's realy following the sequence so there's no end to it😊

[@user-yc3bi1ic1e]

MY EYES THEY BUUUUURN!

[@jeffcummings3842]

@@christmachu489 that's the correct answer, for the next number in the sequence. rofl

[@dennizkubat7875]

but who says the sequence has an ending?

[@arrows4453]

The answer is either that or infinty because the LAST number in the sequence would be infnite

[@patkelly7187]

in question #8 he just took away two lines of the equation 💀

[@artclassforkids5225]

I will do a 30 second plank for every like I get on this comment

[@pengboc2634]

After seeing your solution of #5, I quit the test 😏

[@mikitenhusty5039]

Because when you divide by two you multiplye by two, 1/2*1/2=1/4

[@Momo-iv3dq]

same

[@rinomonkey1859]

Same here, they divide by 2 in the question, but then divide by 1/2 in the answer

[@sapientia_et_virtus]

Exactly.

[@owen9097]

SAME

[@siddharthkosaraju670]

You changed the question at 3:05 it was 50% divided by 2 not 50% divided by 1/2

[@Isabella-chili]

true

[@SocialistNerd]

bro gave us three different equations 4:52

[@sky33327]

My guy forgot in the second riddle there are no brackets which means you should not be multiplication first

[@MarieAnne.]

Are you serious? Multiplication and divisiion are ALWAYS done before addition and subtraction UNLESS there are brackets. Then you do what's inside the bracket first, keeping in mind that whatever is inside the bracket still goes by the rule multiplication/division before addition/subtraction.

[@xaodragon1597]

Here’s a riddle: To walk to the store is a 10 minute walk But why is it taking my dad 10 years

[@Porkmeatballs]

Thats sad

[@divyaviswanathan7668]

Because your dad doesn't want to

[@Porkmeatballs]

@@divyaviswanathan7668 its actually beacause his dad left him/her

[@manio_e]

Queon Taylor r/whoosh

[@duanedasilva2807]

Because he is old

[@UlfDerDritte]

most of the riddles are just plain wrong... for example: XIX-I=XVIII not XX, XX would only be the solution if you aren't talking mathematical and this video claims it's about "MATH riddles" not "riddles that contain numbers"

[@computercat8694]

That's also true.

[@greysmoke9649]

Actually, numbers are at all costs a part of math, it's just that if you study Roman numerals like I do, Romen numerals represent numbers, but in Romen style, so actually he is correct on the Roman numerals one, be cause if XX represents 20 and XIX represents 19 and I represents 1 then if you take the one out of XIX, 19, you would get XX and as of before I told you XX stands for 20.

[@TheDoubleNickel]

The riddle is expressed linguistically not mathematically.

[@UlfDerDritte]

yeah, that my point

[@henryhunt3837]

But would you have to add 3+3 first to get 6, and do 6 times 3? The total would be 15, you don’t multiply first, you add first! ( maybe I was just confused) *went to calculator*

[@thomasharding1838]

No, everyone is using PEMBAS or DUMBAS which means you calculate bracketed issues first, then multiply and divide, THEN add and subtract from left to right.

[@darki7119]

I solved the thumbnail in like 4 seconds. I knew the answer right when I saw the x 0. I got 1

[@earadicator]

uh 50% = .5 and .5 divided by 2 is .25 there, bub

[@odhrandonoghue1455]

Exactly

[@AtinJust]

You just convert the 50% into decimal by moving two decimal places so u need to convert the number 2 also into decimal so .50/.02=0.01 times 100% to become 1

[@niteshmota362]

Yup our mind is going in right direction my answer is 1/4

[@Someone-fg8fs]

@@AtinJust 50%=0.5 There is %%%%%%%

[@AtinJust]

@@Someone-fg8fs .5 or .50 is the same right

[@barancemzurnac3817]

Give back 6 minutes and 40 seconds thats been stolen from my life, please...

[@hamidrana085]

Same here!!!

[@JuanMoreno-vv6ok]

Ok

[@vinayakvermaverma3672]

6 min 41 sec. Brather

[@user-hs7sc1wx1z]

No one made you watch it

[@itzfinnerzyt4307]

Give me back the 20 secs it took me too read and type of this comment

[@funwithartandcooking1197]

Q5 is wrong.... It is written "what is 50%*2" and not "what is 50%*1/2". So, the answer is 1/4 or .25 (0.25).

[@williambiggs3699]

Absolutely smacked my head when he said "divided by 1/2", then looked again 2:55 The question was written "divided by 2" so I was right to say .25 period.

[@natnat1975]

You're absolutely right. I commented on the same thing.

[@nickronca1562]

I commented the same thing too.

[@shanepierre-louis4328]

what is wrong with this guy

[@oliviatherobloxian5484]

That’s what I said and I am 9

[@oliviatherobloxian5484]

@@mortai4949 so what’s wrong with me telling my age

[@kierancid7623]

BRIGHT SIDE: "What is half of 2+2? Answer is 1. Me: Oh well, he forgot the parenthesis/groupings/brackets Also Me: 1/2 of (2 + 2) =1/2 of 4 =Common Sense

[@bavithrathirumeni3802]

Thats y he left some space in between

[@kierancid7623]

Oh

[@Tornado2D]

Also half of 2 doesn't need parentheses because it's a multiplication of 1/2 and 2

[@campway6997]

Got them all correct

[@Sheli1984]

The answer to the thumbnail is 1

[@irajoooepikzizter4302]

Teacher: Johnny ate 64 candies out of 70 candies.. How many does he have left? *I raise my hand up* Teacher: Yes Zoey.. What does Johnny have now? Me: Diabetes

[@jowelasar8535]

Stolen

[@terrestia3822]

omg lol

[@jdbreptiles4829]

SAVAGE!!!!!!!!😎😏

[@jdbreptiles4829]

And sooooooo true.

[@mosharrafhossain9700]

Lol

[@taylorstormss2032]

If you have planned this video for teaching math...bro go hit up tuition cos u clearly cannot do this!!😑😑 Who else agrees??!❤❤

[@bernardbissue1888]

Yep that water they aaaaaallll say I agree

[@bernardbissue1888]

Just means rather what they aaaaaallll say so skit cous I agree

[@headlesspanda2464]

I agree

[@toxicpizza87]

Go to spelling and then tell him that

[@alisonjoseph450]

I agree these sums are so wrong like he doesnt know what he's doing

[@lilluthegreat123]

Answer of riddle #9 is: The sequence of numbers 1, 11, 21, 1211, 111221, 312211, ... follows the pattern of "saying" the previous number out loud, meaning that each term is created by describing the previous term. Starting with 1, the second term is pronounced "one one," or 11, because the first term consists of a single 1. Similarly, the third term is pronounced "two ones," or 21, because the previous term has two 1s. Using this pattern, we can describe the next term in the sequence as follows: The previous term is "312211" The next term is "one three, one one, two twos, and two ones," or 13112221. Therefore, the last number in the sequence is 13112221.

[@mehehe871]

What about 111221

[@lilluthegreat123]

@@mehehe871 1211 has one one, one two, two ones so the 5th number is 111221

[@timetostudy70]

1/2=2 mans alf =two nice teacher