Quantitative Aptitude :: Pipes & Cistern - Discussion
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Choose the correct option.
The water from one outlet, flowing at a constant rate, can fill the swimming pool in 9 hours. The water from second outlet, flowing at a constant rate can fill up the same pool in approximately in 5 hours. If both the outlets are used at the same time, approximately what is the number of hours required to fill the pool?
A3.21 hrs.
B3.34 hrs.
C2.32 hrs.
DNone of these
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