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40 men can complete a work in 40 days. T...

40 men can complete a work in 40 days. They started the work together. But at the end of each 10th day, 5 men left the job. The work would have been completed in

A

`56(2)/(3)` days

B

`53(1)/(3)` days

C

52 days

D

50 days

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The correct Answer is:
A
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