A man undertakes to do a certain work in 150 days He employs 200 men He finds that only a quarter of...........

Quantitative Aptitude (CDS) Time and work

A man undertakes to do a certain work in 150 days. He employs 200 men. He finds that only a quarter of the work is done in 50 days. How many additional men should he employ so that the whole work is finished in time?

100

120

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Explanation:

Let total work = X

200M *150 = X

After 50 days 200M *50 = X/4

Remaining work = 3X/4

After 50 days, let ‘y’ workers be added to complete the work on time.

(200+y) M*100= 3X/4

(200+y) M *100 = 3 *200M *50

200+y = 300 , Y = 100 men

By: Munesh Kumari

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A man undertakes to do a certain work in 150 days He employs 200 men He finds that only a quarter of...........

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