Menu
Home / Arithmetic Aptitude / Average :: Discussion

Discussion :: Average

  1. Find the average of square of first 5 consecutive natural numbers.

    2. A.
    12
    B.
    10
    C.
    16
    D.
    11

    View Answer

    Workspace

    View Answer

    Answer : Option D

    Explanation :


    The average of square of first n consecutive natural numbers is given by;
    = (n+1) (2n+1) / 6
    Here, n=5
    = (5+1) (2*5+1)/6
    = 6*11/6
    = 11

Write your comments here:

Be The First To Comment