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 = $$\frac{{ {3 + 15} }}{2} = 9$$
Join The Discussion
Comments ( 1 )
Related Questions on Average
A. 125 km/hr
B. 75 km/hr
C. 135 km/hr
D. 120 km/hr
thanks so much for creating this you are the best