Both √5 and √13 are irrational number.
Irrational Number + Irrational Number = Always Irrational Number
Irrational Number x Irrational Number = Always Irrational Number
⇒ Option A and B are out.
√5 ≈ 2.23
√13 ≈3.61
⇒ Option C is not within the range from √5 to √13
Answer: 2.9 (Answer D)
