A cake is divided into three pieces so that the first piece is four times as big as big as the second and the second piece is three times as the third. What fraction of the entire cake is the smallest piece?

A 1/8

B 1/12

C 1/13

D 1/16

Solution

Correct Answer: Option D

Let, smallest piece= x
∴second piece = 3x
∴first piece = 12x 
∴smallest piece = x/16x of the cake= 1/16

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