10 men working 8 hours day can do a work in 30 days. In how many days will 12 men working 4 hours a day take to the same work?

10 men working 8 hours day can do a work in 30 days. In how many days

1.	10 men working 8 hours day can do a work in 30 days. In how many days will 12 men working 4 hours a day take to the same work?
A.	40 days
B.	60 days
C.	50 days
D.	30 days
Answer» D. 30 days

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10 men working 8 hours day can do a work in 30 days. In how many days will 12 men working 4 hours a day take to the same work?

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