Multiple Choice Questions on Find the harmonic mean of two numbers whose geometric mean and arithmetic mean is 8 and 5 respective........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Find the harmonic mean of two numbers whose geometric mean and arithmetic mean is 8 and 5 respective...........

Quantitative Aptitude ( CCS) Average
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    Find the harmonic mean of two numbers whose geometric mean and arithmetic mean is 8 and 5 respectively.

    12.8

    Correct Answer

    12

    Incorrect Answer

    13.5

    Incorrect Answer

    14.6

    Incorrect Answer
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    Explanation:

    A.M × H.M = G.M²
    5 × H.M = 8²
    H.M = 64/5 = 12.8

    By: Deepak Dawra
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