Latest SSC Aptitude Question SOLUTION: A man undertakes to do a certain work in 150 days . He employs 200men. He finds that only a quarter of the work is done in 50 days. The number of additional men that should be appo

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(#M40018088) SSC Numerical Ability question Time & work Keep an EYE

A man undertakes to do a certain work in 150 days . He employs 200men. He finds that only a quarter of the work is done in 50 days. The number of additional men that should be appointed so that the whole work will be finished in time is

Asked In SSC sai (11 years ago)

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Dr.Dipin Singh  (11 years ago)

He employs 200men. He finds that only a quarter of the work is done in 50 days.

It means 200 men can complete the total work in 200 days.

so 1 work can be completed in 200 days by 200 men
hence remaining 3/4 work can be completed in 100 days by 200*200*(3/4)/100 = 300 men
so he should employ additional 100 men to complete work in time i.e. total 150 days as per contract.

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Devendra Marghade  (11 years ago)

Ans=Additional 100 men are required
200 men, 50 days , 1/4 work ---(i), Remaining days=100
Now these 200 men will work for remaining 100 days also
So work done by 200 men for 100 days=2*1/4=1/2
Total work by 200 men for 150 days=1/4 + 1/2=3/4,
So remaining work=1/4 is to be completed by additional men in 100 days
From (i) => 200 men, 50 days , 1/4 work OR 100 men , 100 days, 1/4 work
So to finish the work in time additional 100 men should be appointed

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