Multiple Choice Questions on If a pipe A can fill a tank 3 times faster than pipe B If both the pipes can fill the tank in 42 min........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

If a pipe A can fill a tank 3 times faster than pipe B If both the pipes can fill the tank in 42 min...........

Quant (SSC) Pipes&cistern
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    If a pipe A can fill a tank 3 times faster than pipe B. If both the pipes can fill the tank in 42 minutes, then the slower pipe alone will be able to fill the tank in?

    148 minutes

    Incorrect Answer

    124 minutes

    Incorrect Answer

    154 minutes

    Incorrect Answer

    168 minutes

    Correct Answer
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    Explanation:

    Time is taken by pipe A = x
    Time is taken by pipe B = x/3
    1/x + 3/x = 1/42
    x = 168 minutes
    Hence, option 4 is the correct answer.

    By: Amit Kumar
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