MBA Exam

A contractor agreed to finish a piece of work in 150 days. He employed 75 men and made them work for 8 hours per day. However, after 90 days, he realized that only 2/7 of the work was completed.How many more men would he need to employ to complete the work on time if he intended to make everybody work for 10 hours per day henceforth?

1) 75
2) 100
3) 150
4) 225

Read Solution (Total 2)

150 is answer.
9 years agoHelpfull: Yes(0) No(1)

holl work done in= 2520 hr by 75 men
so 1 men 1 days work=1/(2520*75)
5/7 work done in 600 hr by x no of employee
x={2520*7*(5/7)}/600
x=225
no of employee needed= 225-75
ans =150
8 years agoHelpfull: Yes(0) No(1)

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