Arithmetic Ability
Time and Work

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Q.

A work which could be finished in 11 days was finished 4 days earlier after 4 more men joined. The number of men employed was ?

View Answer

Correct choice: A

Explanation:

As the work is same M1D1 = M2D2 Here Let the number of men employed was M => 11M = 7(M+4) => 11M - 7M = 28 => M = 7
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