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45 men can complete a work in 16 days. S...

45 men can complete a work in 16 days. Six days after they started working, 30 more men joined them. How many days will they now take to complete the remaining work?

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RS AGGARWAL-TIME AND WORK-All Questions
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  18. Amit and Sumit can plough a field in 4 days. Sumit alone can plough th...

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  19. Two spinning machines A and B can together produce 3,00,000 metres ...

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  20. A can lay railway track between two given stations in 16 days and B...

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