A and B together can finish a work in 9 days. A alone can finish the work in 12 days. In how many days will B alone finish the work?
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A and B together can complete a particular task in 4 days. If A alone can complete the same task in 12 days. How many days will B take to complete the task if he works alone?
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2
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P and Q together can do a job in 6 days. Q and R can finish the same job in \(\frac{{60}}{7}\) days. P started the work and worked for 3 days. Q and R continued for 6 days to finish the work. Then the difference of days in which R and P can complete the alone is P can complete the job alone is ?
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3
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If 3 men or 4 women can plough a field in 43 days, how long will 7 men and 5 women take to plough it?
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4
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If 10 persons can do a job in 20 days, then 20 person with twice the efficiency can do the same job in:
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5
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Subhash can copy 50 pages in 10 hours; Subhash and Prakash together can copy 300 pages in 40 hours. In how much time can Prakash copy 30 pages?
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6
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If A and B together can complete a piece of work in 15 days and B alone in 20 days, in how many days can A alone complete the work?
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7
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20 men can do a piece of work in 18 days. They worked together for 3 days, then 5 men joined. In how many days is the remaining work completed ?
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8
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A and B can together finish a work in 30 days. They worked together for 20 days and B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the job ?
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9
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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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10
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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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