A and B can do a piece of work in 5 days, B and C can do it in 7 days. A and C can do it in 4 days. Who among these will take the least time if put to do it alone ?
A and B can do a piece of work in 5 days, B and C can do it in 7 days. A and C can do it in 4 days. Who among these will take the least time if put to do it alone ?
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Q2
A and B can do a piece of work in 10 days. B and C can do it in 12 days. A and C can do it in 15 days. How long will A take to do it alone?
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Q3
A, B and C together can do a piece of work in 15 days, B alone can do it in 30 days and C alone can do it in 40 days. In how many days will A alone do the work?
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Q4
A, B and C together can finish a piece of work in 4 days, A alone can do it in 9 days and B alone in 18 days How many days will be taken by C to do it alone
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Q5
A can do a piece of work in 10 days; B in 18 days; and A, B and C together in 4 days. In what time would C alone do it?