JEE Main & Advanced Mathematics Statistics Question Bank Mean

  • question_answer
    The harmonic mean of 4, 8, 16 is                              [AMU 1995]

    A)                 6.4         

    B)                 6.7         

    C)                 6.85       

    D)                 7.8

    Correct Answer: C

    Solution :

                H.M. of 4, 8, 16 \[=\frac{3}{\frac{1}{4}+\frac{1}{8}+\frac{1}{16}}=\frac{48}{7}=6.85\].


You need to login to perform this action.
You will be redirected in 3 sec spinner