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Which of the following is an irrational number that lies between 2 and 3 on the number line?

Class 9Real Numbers on the Number LineNumber Systems

A $5$
B $\frac{5}{2}$
C2.5
D $9$

Step-by-Step Solution

5

is about 2.236, which lies between 2 and 3 and is irrational.

\frac{5}{2}

and 2.5 are rational;

9 = 3

is rational and not between 2 and 3.

Answer: A)

5

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