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A contractor undertook a job and employed 40 men to do a piece of work in 80 days. But after 60 days he found that only 3/5 of the work is completed. To complete the work in time, how many more men he should employ.

Explanation:

Answer & Solution
Answer – d) 40
Solution:
(40*60)/3 = (x*20)/2
x=80
No of men required=80-40 =40

By: Manpreet kaur

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