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NCERT Exemplar Solutions Class 8 Mathematics Solutions for Squares and Square Roots & Cubes and Cube Roots - Exercise in Chapter 3 - Squares and Square Roots & Cubes and Cube Roots

Question 125 Squares and Square Roots & Cubes and Cube Roots - Exercise

A General wishes to draw up his 7500 soldiers in the form of a square. After arranging, he found out that some of them are left out. How many soldiers were left out?

Answer:

From the question, it is given that the total number of soldiers = 7500

By using the long division method we can able to find the number of soldiers left out,

∴104 soldiers were left out.

Video transcript
hello friends welcome to little q a video session i am seth your math tutor and question for today is a general wishes to draw up his 7500 soldiers in the form of a square after arranging he found out that some of them are left out how many soldiers were left out from the question it is given that the total number of soldiers is equal to 7500 by using the long division method now we can able to identify or find the number of soldiers which are left out so seven thousand five hundred is there group them starting from the ones place so these are the groups we have made now the smallest number is eight eight za 64 or the greatest number below 75 is 64. subtract them that is 11 put 0 0 down and then 8 and 8 is 16 right 16 here and then you have to select one digit over here that is 6 multiply it with the same digit over here such that 166 into 6 is 900 996 [Music] now 996 is the greatest possible digits which is below 1100 now the remainder after this is 1 0 4 so those 1 0 4 soldiers which are left out is the remainder thing we can write here that 1 0 4 soldiers were left out if you have any queries you can drop it in comment section and subscribe to lido for more q a thank you for watching
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