Discussion of Question with ID = 079 under Time-and-Work

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Question

If 56 men can do a task in 16 days, how many men are required to complete the task in 7 days?

A

7.

B

8.

C

6.

D

10.

Soln.
Ans: a

If m1 men can do a task in d1 days, and m2 in d2, then we must have m1 × d1 = m2 × d2. Putting m1 = 56, d1 = 16 and d2 = 7, we get m2 = 128.


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