Multiple Choice Questions on Two Inlet Pipes A and B together can fill a Tank in lsquo X rsquo minutes If A and B take 81 minutes........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Two Inlet Pipes A and B together can fill a Tank in lsquo X rsquo minutes If A and B take 81 minutes...........

Quantitative Aptitude ( CCS) Pipes&cistern
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    Two Inlet Pipes A and B together can fill a Tank in ‘X’ minutes. If A and B take 81 minutes and 49 minutes more than ‘X’ minutes respectively, to fill the Tank. Then They can fill the 5/7 of that Tank in how many minutes?

    45 Minutes

    Correct Answer

    49 Minutes

    Incorrect Answer

    63 Minutes

    Incorrect Answer

    81 Minutes

    Incorrect Answer
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    Explanation:

    Answer & Explanation
    Answer – A. 45 Minutes
    Explanation :
    Time taken by two pipes to fill full Tank is = √ab min = 63 min
    5/7 Tank = 63*5/7 = 45 min

    By: Manpreet kaur
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