Question

An irrational number between 2 and 2.5 is ___________.

Answer 1

2.1,2.2,2.3,2.4 etc.

Answer 2

Let a = 2, b = 2.5.

We know that between any two irrational numbers a and b is given by √ab.

So,

The irrational number between 2 and 2.5 :

⇒√2 * 2.5

⇒ √5.

Therefore, an irrational number between 2 and 2.5 is √5.

Hope this helps!