Time and Work Practice Test 5 with solutions

Question : 27 of 30

Marks: +1, -0

Forty-five men working

7 1/2

hours a day can finish a work in 12 days. Working at the rate of 9 hours a day, what the number of men required to the finished same work in 10 days?

Solution:

Working

7 1/2

hours a day for 12 days, a work is finished by 45 men.
Working 9 hours a day for 10 days, the work will be finished by

{45 × 12 ×15}/{9×10×2}

= 45 men.

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