Time and Work Practice Test 4 with solutions

Question : 18 of 40

Marks: +1, -0

A can do

3/7

th part of a work in 21 days, B can do the same work in 45 days, C can do 41% of the same work in 100 days and D can do the same work in 41 days. Find who among the following take the maximum time.

A
B
C
D
C and D are equally efficient.

Validate

Solution:

Time taken by A to finish the work = 21 ×

7/3

= 49 days
Time taken by B to finish the work = 45 days
Time taken by C to finish the work =

{41}/{100} × 100

= 41 days
Time taken by D to finish the work = 41 days
So, A will take maximum time.

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