Multiple Choice Questions on Two pipes A and B can separately fill a tank in 10 and 15 minutes respectively A third pipe C can dr........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Two pipes A and B can separately fill a tank in 10 and 15 minutes respectively A third pipe C can dr...........

Quantitative Aptitude ( CCS) Pipes&cistern
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    Two pipes A and B can separately fill a tank in 10 and 15 minutes respectively. A third pipe C can drain off 30 liters of water per minute. If all the pipes are opened, the tank can be filled in 10 minutes. What is the capacity of the tank?

    500litres

    Incorrect Answer

    370liters

    Incorrect Answer

    450liters

    Correct Answer

    320liters

    Incorrect Answer
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    Explanation:

    Answer & Explanation
    Answer – 450liters
    Explanation :
    1/10 + 1/15 – 1/x = 1/10
    x = 15
    15 * 30 = 450

    By: Sandeep Dubey
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