Question

The product of a non-zero rational number and an irrational number is always a/an

• A. Whole number
• B. Natural number
• C. Rational number
• D. Irrational number

Answer 1

The correct option is D Irrational number

If a is a non-zero rational number and b is an irrational number, then ab is an irrational number.
For example: $5\times \sqrt{6}=5\sqrt{6}$
Here, $5\sqrt{6}$ is an irrational number.
Hence, the correct answer is option (d).