Question 42

8 children and 12 men complete a certain piece of work in 9 days, Each child takes twice the time taken by a man to finish the work. In how many days will 12 men finish the same work ?

Solution

Each child takes twice the time taken by a man to finish the work, => 2 children = 1 man

Thus, 8 children = 4 men

Hence, (4+12) = 16 men complete the work in 9 days.

=> 12 men will finish in = $$\frac{16\times9}{12}=12$$ days

=> Ans - (C)

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