Time and Work Practice Test 3 with solutions

Question : 34 of 40

Marks: +1, -0

Surabhi can complete a work in 8 hours whereas Parul can do the same work in 2 hours more than Surabhi when working alone. Find the time taken by both of them to complete the work.

$4 4/9$ hours
$3 1/3$ hours
4 hours
5 hours
None of these

Validate

Solution:

Time taken by Parul = 10 hours
Work done by both in one hour =

1/8 + /{10}

9/{40}

So, time taken by them =

{40}/9

hours
=

4 4/9

hours

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