10 men can complete a piece of work in 8 days. In how many days can 16 men complete that work ?
10 men can complete a piece of work in 8 days.
So, the number of days it takes 1 man to complete the piece of work is 10*8 = 80 days.
Hence, the number of days it takes 16 men to do the same piece of work is 80/16 = 5 days.
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