Railways PYQCBT 1 2016

RRB NTPC · Question 75

Find the mean of the first 10 natural numbers. A. 6.5 B. 5.5 C. 7.5 D. 8.5

  1. B

  2. C

  3. A

  4. D

Show answer & explanation

Answer: (A) B

Explanation

Mean of 1 to 10 = (1 + 10)/2 = 5.5.