39 persons can repair a road in 12 days , working 5 hours a day . In how many da

Question

39 persons can repair a road in 12 days , working 5 hours a day . In how many days will 30 persons , working 6 hours a day , complete the work ?

Options:

A . 11

B . 13

C . 15

D . 17

Answer: Option B

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