Quantitative Aptitude Ques 2171

Question: Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is

Options:

A) 15

B) 16

C) 18

D) 25

Show Answer

Answer:

Correct Answer: B

Solution:

  • Ratio of times taken by Sakshi and Tanya $ =125:100=5:4 $ Suppose Tanya takes x days to do the work. $ 5:4::20:x $
    $ \Rightarrow $ $ x=( \frac{4\times 20}{5} ) $

$ \Rightarrow $ x = 16 days Hence, Tanya takes 16 days to complete the work.

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