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Recent questions tagged pipe-cistern
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NIELIT 2023 Feb Scientist D | Section C | Question: 75
A cistern has two taps which fill it in $12$ minutes and $15$ minutes, respectively. There is also a waste pipe in the cistern. When all the pipes are opened, ... take to empty a full cistern?$8$ minutes$10$ minutes$12$ minutes$16$ minutes
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Quantitative Aptitude
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