Time and Work Practice Test 3 with solutions

Question : 21 of 40

Marks: +1, -0

A can do a piece of work in 4 days. B is 50% more efficient than A. How long would B alone take to finish this work?

Solution:

A's 1 day's work =

1/4

;
Hence, B's 1 day's work =

{150}/{100} × 1/4

3/8

So, B will do the whole work in

8/3

2 2/3

dyas.

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