Job

An engineer undertake a project to build a road 15km long in 300 days and employs 45 men for the purpose. After 100 days, he finds 2.5km of the road has been completed. Find the number of extra men he must employ to finish the work in time.

dsuc.created: 2 years ago | dsuc.updated: 1 year ago
dsuc.updated: 1 year ago

After 100 days, remaining work = (1-2.515)=(1-16)=6-16=56 part of work Remaining days = 300-100=200 days Now, 16 part of work is done in 100 days by 45 men 56 part of work is done in 200 days by =45×100×6×5200×6=112.5=113 men Number of extra men needed = 113-45 = 68 (ans.)

1 year ago

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