Time and Work Practice Test 3 with solutions

Question : 37 of 40

Marks: +1, -0

Komal is twice as efficient as Suman. If Suman can do a piece of work in 10 days, then in how many days can Komal do the same work?

Solution:

Efficiency ratio of Komal and Suman is 2 : 1.
Ratio of time taken by both =

1/2 : 1/1

= 1 : 2
So, if Suman takes 10 days, then Komal will take 5 days to finish the same work.

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