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A B and C can do a piece of work in 15 ,12 and 20 days respectively. They started the work together but C left after 2 days in how many days will the remaining work be completed by a and b ? |
| Answer» A B and C can do a piece of work in 15 ,12 and 20 days respectively. They started the work together but C left after 2 days in how many days will the remaining work be completed by a and b ? | |