Multiple Choice Questions on A tank is fitted with two taps A and B A can fill the tank completely in 45 minutes and B can empty ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A tank is fitted with two taps A and B A can fill the tank completely in 45 minutes and B can empty ...........

Quantitative Aptitude ( CCS) Pipes&cistern
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    A tank is fitted with two taps A and B. A can fill the tank completely in 45 minutes and B can empty the full tank in 1 hr. If both the taps are opened alternatively for 1 minute, A started, then in how much time the empty tank will be filled completely?

    2 hrs 55 min

    Incorrect Answer

    3 hrs 40 min

    Incorrect Answer

    4 hrs 48 min

    Incorrect Answer

    5 hrs 53 min

    Correct Answer
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    Explanation:

    A=45 mins
    B=60 mins L.C.M=180L

    efficiency of A= +4l/mins
    efficiency of B= -3l/mins
    1l=2mins
    176l=352mins
    4l =1 min
    Total=130l=353mins 5hr 53mins Ans.

    By: Sandeep Dubey
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