Question

Which of the following is not an irrational number?

• A. \(\sqrt2\)
• B. \(\sqrt3\)
• C. \(\sqrt4\)
• D. \(\sqrt5\)

Answer 1

The Correct Option is C

We are asked to identify which of the following numbers is not an irrational number.

• \(\sqrt{2}\) is an irrational number.
•  \(\sqrt{3}\) is an irrational number.
• \(\sqrt{4}\) is a rational number because it equals \(2\).
• \(\sqrt{5}\) is an irrational number.

Thus, the number which is not an irrational number is \(\sqrt{4}\), which is a rational number.

The correct option is (C): \(\sqrt4\)