Time and Work Practice Test 2 with solutions

Question : 15 of 40

Marks: +1, -0

Sohan can complete work in 12

1/2

days. He started the work and left after 5 days, then Robin finished the remaining work in 9 days. Find the time taken by Robin to complete the work if he has worked alone.

13 days
15 days
$13 1/3$ days
None of these
Cannot be determined

Validate

Solution:

Work done by Sohan in one day =

2/{25}

Work done by Sohan in 5 days = 5 ×

2/{25}

2/5

Work left = 1 -

2/5

3/5

Now

3/5

th part of the work is done by Robin in 9 days.
Number of days taken by Robin to complete the work
=

9 × 5/3

= 15 days

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