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Railways PYQCBT 1 2016

RRB NTPC · Question 38

If the arithmetic mean of 10 numbers is 35 and each number is increased by 2, find the mean of the new set of numbers. A. 28 B. 34 C. 40 D. 37

  1. C

  2. A

  3. B

  4. D

Show answer & explanation

Answer: (D) D

Explanation

If every number is increased by 2, the mean also increases by 2. The new mean = 35 + 2 = 37.