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Multiple Choice Questions

Seven men can complete a work in 10 days They started the work and after 5 days two men left In how ...........

Quantitative Aptitude Time and work

Seven men can complete a work in 10 days. They started the work and after 5 days, two men left. In how many days will the work be completed by the remaining men ?

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Explanation:

Answer
7
Explanation :
7 men 1 day’s work will be 1 / 10
7 men 5 days work will be 5 / 10 = 1/2 remaining work will be (1- 1/ 2) = 1 / 2
1 man 1 day work will be 1 / (10*7) = 1 / 70
5 mens 1 day work will be 5 / 70
(70/5)*( 1 / 2) = 7 days

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