Average of n numbers is a. The first number is increased by 2, second one is inc

MCQ Practice

Average of n numbers is a. The first number is increased by 2, second one is increased by 4, the third one is increased by 8 and so on. The average of the new numbers is -

Subject: MathematicsTopic: Average

a + frac2left(2^n - 1)n

a + frac2^n + 1 - 1n

a + frac2^n + 1n

a + 2frac2^n - 1n

Correct Answer: A