Multiple Choice Questions on There are two taps A and B to fill up a water tank The tank can be filled in 40 min if both tapsare ........... for CDS Exam Preparation

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Multiple Choice Questions

There are two taps A and B to fill up a water tank The tank can be filled in 40 min if both tapsare ...........

Quantitative Aptitude (CDS) Pipes&cistern
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    There are two taps A and B to fill up a water tank. The tank can be filled in 40 min, if both tapsare on. The same tank can be filled in 60 min, if tap

    A alone is on. How much time will tap B alone take,to fill up the same tank?

    64 min

    Incorrect Answer

    80 min

    Incorrect Answer

    96 min

    Incorrect Answer

    120 min

    Correct Answer
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    Explanation:

    Work done by tap B in 1 min=1/40−1/60=(3−2)/120
    =1/120
    Total time taken by the tap B to fill the tank is 120 min.

    By: Munesh Kumari
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