A) 21
B) 29
C) 31
D) 41
Correct Answer: B
Solution :
Let \[x\] be the number of boys. So contribution given by each = \[x\] Total Collection = \[x\times x={{x}^{2}}\] So, \[{{x}^{2}}=841\] \[x=\sqrt{841}=29\] Option B is correct. Not AvailableYou need to login to perform this action.
You will be redirected in
3 sec