Fractions and Decimals - Exercise 2.1 | Class 7 Maths Chapter 2 | CBSE

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Exercise 2.1ka question 3

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Ex 2.1 ka 2 Question

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Sir perimeter ka matlab figure ki boundary ka measurement hota hai

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No it's the perimeter of your mother

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Sir ager aap chahe to ise short me kr sakte hai aap direct 2 ko 5 se multiply kr sakte hai then 2×5 =10 10 ko 3 se subtract kr de to aapka answer 10-3=7 apon 3 aayega

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sir I am confused 😕 in question no 5 can u explain more smoothly

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Thank you so much for your kind words! We are glad that our videos are helping you understand the concepts. We hope you continue to find our content useful in the future too!

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Thank you siry all doubts are clear 18:06

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That's awesome! We're glad our video was able to help clear up your doubts. We hope you keep learning with us and thank you for watching!

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We're so happy to have helped you out! We hope our videos continue to be a valuable resource for you.

[@sigmathanos3230]

Sir i have a doubt 36:17 When we find the perimeter of rectangle in fraction is it appropriate to answer in fraction or should we convert it into decimal.

[@MagnetBrainsEducation]

Thank you for your question! When finding the perimeter of a rectangle, it is appropriate to answer in either a fraction or a decimal.

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Sir answers is (46-1-3)cm

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Sir Q1 part (g) how LCM came 8 pls tell it should be 16 pls tell sir thx you

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Sum of all the sides of the close figure

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Perimeter of rectangle = 2×(l+b)

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Sir I have a doubt 18:28 Sir why we multiply 4 by 17 ? I think we have to 8 multiply by 17 ?

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Because 2×4=8 ☝️

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Ex . 2.1question no.5 (ii) is wrong we have to do cross multiplication at last it's 47 ---- 6 and if we Convert it into mixed fraction it will be 5 7 ------- 6

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@@hardik072 rectangle

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Rectangle perimeter sum of all sides

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[@ravisantosh1950]

When denominator is smaller and numerator is bigger is called improper fraction. When we add or minus this is the important point because when denominator is small we want to change in mixed fraction. And when we not change then the answer is wrong. Thanks for reading

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Perimeter of rectangle is 2(l+b)

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Sir in ex 1.2 q 4 the mixed fraction came 46 1/2

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it is incorrect. answer will be 46 1/3

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Sir why we multiple 11 by 15 in question 1(D) part

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sir perimeter means boundary and sir the formula for perimeter of rectangle is 2 into [L+B]

[@MagnetBrainsEducation]

Thank you for your comment! You are correct that the perimeter is the boundary of a rectangle, and the formula for the perimeter of a rectangle is 2(L+B). We hope our videos are helping you learn and enjoy mathematics!

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SIR I HAVE A DOUBT THAT WILL WE NOT CONVERT THESE SUMS OR DIIFERENCES INTO MIXED FRACTION ?

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If the question has mixed fraction then the answer also has to be converted into mixed fraction.

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Thank you for your kind words! We are here to help you with all your doubts and we are glad that we could help you. Keep watching our videos and keep learning!

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Good afternoon sir139/3 x Cm= 46 1/3

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Write two pairs of integers (a,b) such that a÷b=3

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Sir,i have a doubt in Q1e how did u make all of the denominators 10??

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And I'm also not able to understand when we do the LCM part and how u multiple from there

[@Jigya2305]

Q is 7/10 + 2/5 + 3/2 Find lcm of 10,5,2 LCM is 10 so take 10 as denominator 7 + 4 + 15/10=26/10 Simplest. Form of 26 /10 =13/5( cut it from table of 2) ans =13/5🤗🤗

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Hope this helps you

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I'm really DUMB at maths but I understood half of it thx....

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I have a dout

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Sir maths teacher has made me written the answer of ex 2.1 ques1 g part-194 upon 8 how is it possible

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Some of all sides or boundaries of a figure

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I had a bunch of doubts of this exercise but watching the video my doubts are clear

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I have watched this video again and written all the questions

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Sir exercise 2 point 1 me Question no 1 ka 7 wale me confused ho rha hu sir please bta de jiye

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A thank you word is also small to say you sir 🙏

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Sir can You provideo 12th CBSE solution proper

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Que 4th ka ans h 46 18/3

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sir how did we get 4x2 in G sum

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Thank you for watching our videos and for your positive feedback! We're glad that our videos were able to help clear up your doubts. Keep watching for more videos that can help you in your studies!

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THANK U SIR I WAS NOT UNDERSTANDING BUT I CAN UNDERSTANDING NOW BECAUSE OF YOUR VIDEO THANK U SIR /................../

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Mixed form of 139 by 3 is 46 1 by 3 fraction

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Sir agar mixed fraction me question hai to mixed fraction me hi answer aega na

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I am watching this one day before exam 😂

[@sameerff4358]

Sir apna 2.1 exercise ma 4 question ma 64 ko 2 sa multiple kyu kiya