Find the average of all the numbers between 6 and 34 which are divisible by 5 -

A. 18

B. 20

C. 24

D. 30

Answer: Option B

Solution(By Examveda Team)

Average
$$\eqalign{ & {\text{ = }}\left( {\frac{{10 + 15 + 20 + 25 + 30}}{5}} \right) \cr & {\text{ = }}\frac{{100}}{5} \cr & {\text{ = 20}} \cr} $$