Question

3.2 men and 7 boys can do a piece of work in 4 days. It is done by 4 men and 4 boys in 3 days. How long would it take for one
man or one boy to to it?

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Answer 1

Let the man can finish the work in x days and the boy can finish the same work in y days.

Work done by one man in one day = 1/x and work done by one boy in one day = 1/y

On Multiplying eqn. (iii) by 2 and subtract eqn. (iv) from it

Hence, one man can finish it in 5 days and boy in 60 days.

Answer 2

Answer:

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