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Railways PYQCBT 1 2016

RRB NTPC · Question 54

What will be the product of the smallest prime number and any whole number other than 0?

  1. Always zero

  2. Always one

  3. Always an even number

  4. Always an odd number

Show answer & explanation

Answer: (C) Always an even number

Explanation

The smallest prime is 2. Multiplying 2 by any non-zero whole number always gives an even number.