The average of first five multiples of 3 is:

  • Option 1)

    3

  • Option 2)

    9

  • Option 3)

    12

  • Option 4)

    15

  • Option 5)

    -

Answers (1)

 

Average= \left [ 3\left ( 1+2+3+4+5 \right ) \right ]/5

                      = 3\ast 15/5 = 9

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