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Aptitude | Progressions | Question 1

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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


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Last Updated : 28 Jun, 2021
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