If 10 men can do a piece of work in 8 days, in how many days can 8 men do the same work?
Explanation:
Total work = Men × Days
Since total work is same in both cases.
⇒ Work done by 10 men in 8 days = Work done by 8 men in 10 days.
∴ M1 × D1 = M2 × D2
⇒ 10 × 8 = 8 × x
⇒ x = (10 × 8)/8 = 10 days.
Hence, 10.
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