If 3 men or 9 boys can finish a piece of work in 21 days, in how many days can 5 men and 6 boys together do the same piece of work ? Options: A . &nbsp8 days B . &nbsp12 days C . &nbsp14 days D . &nbspCannot be determined E . &nbspNone of these

If 3 men or 9 boys can finish a piece of work in 21 days, in how many days can 5

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If 3 men or 9 boys can finish a piece of work in 21 days, in how many days can 5 men and 6 boys together do the same piece of work ?

Answer: Option E

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Question 1. A can do half of a piece of work in 1 day,where B can do full. B can do half the work as C in 1 day. The ratio of their ....The ratio of their efficiencies of work is = ?

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Question 7. A labourer was appointed by a contractor on the condition he would be paid Rs. 75 for each day of his work but would be,....number of days the labourer absented from work was ?

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Question 10. 4 men and 10 women were put on a work. They completed $$\frac{1}{3}$$ of the work in 4 days. After this 2 men and 2 wome....days, then how many more women must be increased ?

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