Multiple Choice Questions on A Tank is already filled up to X of its capacity An Inlet pipe can fill Full Tank in 30 minutes and ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A Tank is already filled up to X of its capacity An Inlet pipe can fill Full Tank in 30 minutes and ...........

Quantitative Aptitude ( CCS) Pipes&cistern
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    A Tank is already filled up to X% of its capacity. An Inlet pipe can fill Full Tank in 30 minutes and an Outlet pipe can empty Full Tank in 20 Minutes. Now both pipes are opened then the Tank is emptied in 24 Minutes. Then initially up to what % of its capacity is Tank filled?

    40%

    Correct Answer

    48%

    Incorrect Answer

    50%

    Incorrect Answer

    60%

    Incorrect Answer
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    Explanation:

    Answer & Explanation
    Answer – A. 40%
    Explanation :
    1/30 – 1/20 = -1/60
    Full Tank can be emptied 60 Minutes
    In 24 minutes 40% of Tank can be emptied.

    By: Manpreet kaur
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