Question

Which is not an Irrational number?

• A. $5-\sqrt{3}$
• B. $\sqrt{2}+\sqrt{5}$
• C. $4+\sqrt{2}$
• D. $6+\sqrt{9}$

Answer 1

The correct option is D $6+\sqrt{9}$

We know that sum of two irrational number or one rational and one irrational number will be irrational number. Option A, B , C stisfies this criteria but option D have two rational number i.e. $6+\sqrt{9}$ = $6+3=9$

So correct answer is option D