Shashi can do piece of work in 20 days. Tanya is 25% more efficient than Sashi.

Question

Shashi can do piece of work in 20 days. Tanya is 25% more efficient than Sashi. The number of days taken by Tanya to do the same piece of work is = ?

Options:

A . 15

B . 25

C . 18

D . 16

Answer: Option D

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