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2 men and 3 boys can do a piece of work ...

2 men and 3 boys can do a piece of work in 10 days while 3 men and 2 boys can do the same work in 8 days. In how many days can 2 men and 1 boy do the work?

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RS AGGARWAL-TIME AND WORK-All Questions
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  13. Reena, Aastha and Shloka can independently complete a piece of work...

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  14. A man can do a job in 15 days. His father takes 20 days and his son fi...

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  15. Amit and Sumit can plough a field in 4 days. Sumit alone can plough th...

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