Permutations and Combinations - Circular Arrangement | Don't Memorise | GMAT/CAT/Bank PO/SSC CGL

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#DidYouKnow: A permutation is used for list of data (where the order of the data matters) and the combination is used for a group of data (where the order of data doesn’t matter). To access all videos related to Permutations and Combinations, enroll in our full course now: infinitylearn.com/cbse-fullcourse?KZbinDME&P3PeA09I&Comment To watch more Permutations and Combinations videos, click here: bit.ly/PermutationsCombinationsVideos_DMYT

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[@sadhashivam8343]

@@thedinosaurspecialist8053 Idiot

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Superb knowledgeble video thanks mam now i understood i had ruined my lot of time to watching other unconceptual videos again thANKSssss love U

[@arunmozhi7894]

Mam.... Can you please post more consepts for circular permutations please...

[@shatterism3329]

@@thedinosaurspecialist8053 Obviously, she lives in UK

[@vrs822]

whoever did not understand this read below let me ask you a question, if you are sitting on any of the 6 chairs arranged in circular, which particular chair are you sitting on most important in this is the word "ways" lets understand what is meant by "ways" one person wants to seat in a chair among six chairs arranged in straight line Q:what are different ways to do so? way 1: SNNNNN //he is sitting on 1st chair way 2: NSNNNN //he is sitting on 2nd chair way 3: NNSNNN //he is sitting on 3rd chair way 4: NNNSNN //he is sitting on 4th chair way 5: NNNNSN //he is sitting on 5th chair way 6: NNNNNS //he is sitting on 6th chair Ans: so there are 6 different ways he can sit on a chair. now when it comes to circular arrangement of chair what are different ways a person can seat on a chair? way 1: SNNNNN /he is sitting on 1st chair way 2: SNNNNN /he is sitting on 1st chair way 3: SNNNNN /he is sitting on 1st chair way 4: SNNNNN /he is sitting on 1st chair way 5: SNNNNN /he is sitting on 1st chair way 6: SNNNNN /he is sitting on 1st chair confused right, circle does not have a starting point,the thing is whenever that person chooses a chair and seats on it,that particular chair itself is the first chair thats why its always going to be "SNNNNN" which is the only one "unique" way that he can sit. ans: one way conclusion: in linear arrangement of chairs whenever a person sits on a particular chair his chair is being referenced from the first chair eg. he is sitting on 3rd chair or he is siting on 5th chair this way we have 6 different ways # but in circular arrangement whichever chair he sits on is the first chair itself bcz there is no start point in circle for reference to say that he is sitting on 3rd chair or 4th chair and so on.

[@sudhishnasudevan6824]

Truee

[@Rohit-tz6gs]

I did not understand. What is the problem he can sit on any one of the six chairs whether it is a linear or circular arrangement?

[@shahnawaz_83]

Great sir thank u

[@SahilKhan-qu5tb]

what if we labelled the chair with the number

[@ken0845]

This now makes sense for sure... it does make sense. Thanks

[@ashishdaniel169]

11/10 Teaching skills. Great comparison with linear arrangement and 3D visual explanation was so on point. Thank you for making this video.

[@janapa1978]

Credit goes to the video editing and animation

[@oliomakatu3692]

Ashishi her 1st video on probability tells us that P(event) lies between 0 and 1 inclusive. lol but nonetheless I want to agree with you

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Just a world class explanation!! Got the concept within the end of the video. Didn't have to repeat. This is what i call ideal teaching. Hats off!

[@InfinityLearn_NEET]

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The visualisation was really helpful thanks!

[@sheharyar36]

My God! that was great. i am saying this after having seen hundreds of videos. The logic with reference point. Thanks a million!

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Thank you Sheharyar! For ALL PnC videos, visit our website: dontmemorise.com/course/view.php?id=92 Do let us know if the videos help :)

[@shaguntripathi2554]

Poor explanation seriously!! Why 1st person sits in 1 way when it has 6 choices? No logic!! Lemme make u understand the reason. Consider 3 men ( a,b,c)... How they can be seated in a circular table? 3! (No, Lmme show you those arrangements and why not 3!) 1) b a. c 2) a b. c 3) b c. a.

[@gauravaggarwal2392]

@@shaguntripathi2554 I think I have answer for ur question... It is different in clockwise and anticlockwise.. Cuz if u seat facing towards centre and if u seat facing outside the centre... Then there is difference in both scenarios...read again

[@shaguntripathi2554]

@@gauravaggarwal2392 bruh we are talking about arrangements and not about facing or not facing centre. I made an extra easy proof that is a lot easier than this video!!! Your welcome if you got that! And i never asked a question

[@gauravaggarwal2392]

@@shaguntripathi2554 lemme ask u something.. What will u see in clockwise and anticlockwise direction? Are the both views same? I guess no ryt.. So when u see in clockwise and anticlockwise ur facing towards centre in one case and in outside the circle in other case ...that's what I meant above...

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The best video giving a detailed approach to understanding circular arrangement. Good job!

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[@tomarto5262]

Another way you can think of it as that there are 6! ways to be seated. However, in that arrangement, if you shift everyone 1 place to the left, the arrangement still appears the same. You can do this a total of 6 times before the arrangement goes back to the original spot. That's just how I thought of it but the method in this video is definitely easier to understand.

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JUST BEAUTIFUL CONCEPT

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