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  3. CEE Kerala Engineering

CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2002

  • question_answer
    The two geometric means between the numbers 1 and 64 are:

    A)  1 and 64                             

    B)                         4 and 16

    C)                         2 and 16                             

    D)                         8 and 16

    E)                         3 and 16

    Correct Answer: B

    Solution :

    Let the GP series be\[1,{{G}_{1}},{{G}_{2}},64\] Here,\[a=1,\text{ }n=4,\text{ }l=64\] \[\therefore \]  \[64={{(r)}^{3}}\] \[\Rightarrow \]               \[r=4\] \[\therefore \] \[{{G}_{1}}=4\]and \[{{G}_{2}}={{1.4}^{2}}=16\]


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