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Railways PYQCBT 1 2016

RRB NTPC · Question 26

How many times does the number 3 occur in unit's place for numbers ranging from 1 to 100? A. 20 B. 11 C. 10 D. 19

  1. B

  2. D

  3. A

  4. C

Show answer & explanation

Answer: (D) C

Explanation

In the units place, 3 appears in 3, 13, 23, 33, 43, 53, 63, 73, 83 and 93, which is 10 times. (The 3s in the tens place, 30–39, are not counted here.)