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4 men and 6 boys can finish a piece of w...

4 men and 6 boys can finish a piece of work in 5 days while 3 men and 4 boys can finish in 7 days. Find the time taken by 1 man alone and 1 boy alone to finish the piece of work.

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The correct Answer is:
One man will complete work in 35 days. One boy will complete the piece of work in 70 days.
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