Raj can do a piece of work in 20 days. He started the work and left after some days, when 25% work was done. After it Abhijit joined and completed it working for 10 days. In how many days Raj and Abhijit can do the complete work, working together?
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A can do a piece of work in 6 days. B is 25% more efficient than A. How long would B alone take to finish this work ?
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A group of men decided to do a job in 4 days. But since 20 men dropped out every day, the job completed at the end of the 7th day. How many men were there at the beginning?
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3 men or 5 women can do a work in 12 days. How long will 6 men and 5 women take to finish the work ?
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A can do a piece of work in 20 days and B in 15 days. With help of C, they finish the work in 5 days. In how many days C alone can do the same work ?
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5
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If A and B together can complete a work in 18 days, A and C together in 12 days, and B and C together in 9 days, then B alone can do the work in:
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6
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10 men working 6 hours a day can complete a work in 18 days. How many hours a day must 15 men work to complete the same work in 12 days ?
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7
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To complete a piece of work A and B take 8 days, B and C 12 days. A, B and C take 6 days. A and C will take :
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8
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A can do a piece of work in 12 days and B in 24 days. If they work together, in how many days will they finish the work ?
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9
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A can do a piece of work in 14 days which B can do in 21 days. They begin together but 3 days before the completion of the work. A leaves off. The total number of days to complete the work is ?
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10
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Two men undertake to do a piece of work for Rs. 1400. The first man alone can do this work in 7 days while the second man alone can do this work in 8 days. If they working together complete this work in 3 days with the help of a boy, how should the money be divided ?
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