A contractor has to build a bridge in 50 days. Initially he employed 2 – McqOptions

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1.	A contractor has to build a bridge in 50 days. Initially he employed 20 men, but found that only half of the work has been completed in 30 days. How many more men he has to employ to finish the job in time?
A.	30
B.	10
C.	15
D.	20
Answer» C. 15

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