Aptitude | Progressions | Question 1

Calculate the arithmetic mean of the given series: 2, 6, 10, 14, 18, 22, 26, 30.

(A)

8

(B)

16

(C)

32

(D)

None of the above

Answer: (B)

Explanation:

AM = (a1+a2+a3+……+an)/n
=(n(a1+an)/2)/n
=(a1+an)/2 = (2 + 30)/2 = 16

Quiz of this Question
Please comment below if you find anything wrong in the above post

My Personal Notes arrow_drop_up

Save