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Railways PYQCBT 1 2016

RRB NTPC · Question 67

The sum of the digits of a two digits number is 5. When the digits are reversed, the number is reduced by 9, what will be the changed number? A. 32 B. 23 C. 41 D. 14

  1. C

  2. D

  3. A

  4. B

Show answer & explanation

Answer: (D) B

Explanation

The tens digit is one more than the units digit (since reversing reduces the number by 9) and the digits add to 5, so the number is 32. Reversed, it becomes 23.