JEE Main & Advanced Mathematics Sequence & Series Question Bank Geometric Progression

  • question_answer
    The two geometric means between the number 1 and 64 are [Kerala (Engg.) 2002]

    A) 1 and 64

    B) 4 and 16

    C) 2 and 16

    D) 8 and 16

    Correct Answer: B

    Solution :

    Let 1,a, b, 64  \[\Rightarrow {{a}^{2}}=b\]and \[{{b}^{2}}=64a\] \[\Rightarrow a=4\] and\[b=16\].


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