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Ans 1:
Class : Class 6
A perfect number is a number who's factors excluding itself is called a perfect number this is wrong
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Ans 2:
Class : Class 4
yeah..... The answer is 112 and it has given the solution in the context of X only. I guessed the answer and it was right. However, I would be very grateful if you could explain in an easier and quicker method. I understood the solution but you could always provide me with a quicker method because of this question cam it would require a lot of time.
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Ans 1:
Class : Class 8
[C]
see there are 4 sides each divided into 4 parts
therefore total no. of divisions:- 4*4 = 16
considering each side as a and length for one side as l we have l^2 = a^2 + (a/16)^2
now you can find the length for all 4 sides.
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