Time and Work Practice Test 5 with solutions

Question : 26 of 30

Marks: +1, -0

Working alone, Bhaskar, Nalini and Megha can do a piece of work in 8, 18 and 24 days respectively. Find the time taken by them if they all work together.

$3 1/6$ days
5 days
$4 1/2$ days
6 days
$3 1/3$ days

Validate

Solution:

Work done by Bhaskar, Nalini and Megha together in one day =

1/8 +1/{18}+ 1/{24}

{18+8+6}/{144}

{32}/{144}

2/9

So, time taken by all of them =

9/2

4 1/2

days

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