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JEE Main & Advanced Mathematics Sequence & Series Question Bank Relation between AP., GP. and HP.

  • question_answer
    If the A.M. and H.M. of two numbers is 27 and 12 respectively, then G.M. of the two numbers will be  [RPET 1987]

    A) 9

    B) 18

    C) 24

    D) 36

    Correct Answer: B

    Solution :

    Let two numbers \[a\] and \[b\]. We have \[G=\sqrt{AH}\]\[\Rightarrow \]G.M. \[=\sqrt{27\times 12}=18\].


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