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Question:
One man 3 women and 4 boys can do a piece of work in 96 hours  2 men and 8 boys can do it in 80 hours 2 men and 3 women can do it in 120 hours .5 men and 12 boys can do it in

1.39 1/11 hours

2.42 7/11 hours

3.43 7/11 hours

4.44 hours

Posted Date:-2021-09-13 16:37:13

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