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A and B together complete a piece of wor...

A and B together complete a piece of work in `T` days. If A alone completes the work in `T\ +\ 3` days and B alone completes the piece of work in `T\ +\ 12` days, what is T? `3\ d a y s` b. `9\ d a y s` c. `12\ d a y s` d. cannot be determined e. none of these

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RS AGGARWAL-TIME AND WORK-All Questions
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