Time and Work Practice Test 4 with solutions

Question : 27 of 40

Marks: +1, -0

If 15 equally efficient workers in a factory can complete a given assignment in 10 days working 8 hour a day, then find how long 6 equally efficient workers will take if they work for 20 hours a day.

8 days
12 days
10 days
15 days
None of these

Validate

Solution:

Time taken by 15 men working 8 hours a day = 10 days
Time taken by 1 man working 1 hour a day = 10 × 15 × 8
Time taken by 6 men working 20 hours a day
=

{10 × 15 × 8}/{6×20}

= 10 days.
So, 6 men working 20 hours a day can accomplish the given assignment in 10 days.

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