Averages Question - 1

The average (arithmetic mean) of 10, 30, and 50 is 5 more than the average of 20, 40, and

(A) 15

(B) 25

(C) 35

(D) 45

(E) 55

Difficulty level: 450-500

Source: The Official Guide for GMAT Review (13th edition)

Scroll down to find the answer

Answer: A

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