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S and T can do a piece of work in 40 days and 24 days respectively. S started the work alone and then after 5 days T joined him till the completion of the work. How long did the work last? |
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Answer» S and T can do a piece of work in 40 days and 24 days respectively. S started the work alone and then after 5 days T joined him till the completion of the work. How long did the work last? |
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