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If a pipe can fill the tank in 'a' hours and another pipe can empty the full tank in 'b' hours (where b > a), then on opening both the pipes, the net part filled in 1 hour is |
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Answer» If a pipe can fill the tank in 'a' hours and another pipe can empty the full tank in 'b' hours (where b > a), then on opening both the pipes, the net part filled in 1 hour is |
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