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Multiple Choice Questions

15 men could finish a piece of work in 200 days But at the end of 100 days 15 additional men are emp...........

Quantitative Aptitude (CDS) Time and work

15 men could finish a piece of work in 200 days But at the end of 100 days,15 additional men are employed. Find total days require to complete the work?

60days

150days

50days

100days

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Explanation:

15 men can finish work in 200 days
in 100 days they work 1/2
after 100 days 15 additional man join the work
let 30 men can complete the 1/2 work in x days
one man complete the work in 3000 days
30(x)/3000 =1/2
x=50 days
total day=150

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