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The average of first five multiples of 3 is:

A. 9

B. 10

C. 8

D. 11

Answer: Option A

Solution(By Examveda Team)

First five multiples of three are:
3, 6, 9, 12, 15.
$$\eqalign{ & {\text{Average}} = \frac{{ {3 + 6 + 9 + 12 + 15} }}{5} \cr & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, = \frac{{45}}{5} \cr & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, = 9 \cr} $$

Alternatively,
Average = $$\frac{{ {3 + 15} }}{2} = 9$$

This Question Belongs to Arithmetic Ability >> Average

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Comments ( 1 )

  1. Ti'cheina Taylor
    Ti'cheina Taylor :
    3 years ago

    thanks so much for creating this you are the best

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