Multiple Choice Question (MCQ)
Which one of the following is not a rational number

✓
\sqrt{3}

×
0

×
\sqrt{4}

×
 \sqrt{16}
Which one of the following is not a rational number
\sqrt{3}
0
\sqrt{4}
 \sqrt{16}
Square root of a prime number is always irrational, so \sqrt{3} is not a rational number
0 is a rational number because it can be expressed in a fraction of zero norminator and a nonzero denominator.
Square root of a perfect square results in an integer, \sqrt{4} =2 , so \sqrt{4} is rational.
 \sqrt{16} =4
The same explanation as above