Railways PYQCBT 1 2016

RRB NTPC · প্রশ্ন 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

উত্তর দেখান ও ব্যাখ্যা

উত্তর: (C) Always an even number

ব্যাখ্যা

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