Multiple Choice Questions on Two pipes fill in a tank in 10 min and 15 min respectively If both pipes are opened how much time do........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Two pipes fill in a tank in 10 min and 15 min respectively If both pipes are opened how much time do...........

Quantitative Aptitude ( CCS) Pipes&cistern
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    Two pipes fill in a tank in 10 min. and 15 min. respectively. If both pipes are opened how much time does it take to fill the tank ?

    6 minutes

    Correct Answer

    8 minutes

    Incorrect Answer

    10 minutes

    Incorrect Answer

    12 minutes

    Incorrect Answer
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    Explanation:

    Required time = 1/(1/10 + 1/15) = 30/(2+3) = 6 min

    By: Deepak Dawra
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