Free notebooks were distributed equally among children of a class. The number of notebooks each child got was one-eighth of the number of children. Had the number of children been half, each child would have got 16 notebooks. Total how many notebooks were distributed?

A    256

B    432

C    512

D    640

Solution

Correct Answer: Option C

 

Let total number of children be x.

Then, x x (1/8)x = x/2 x 16

 =>x = 64.

So, Number of notebooks = (1/8)x2

= ((1/8) x 64 x 64) = 512.

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