Correct Answer - Option 4 : Infinity
Concept used:
Irrational number is a number which cannot be expressed as a simple fraction i.e., its decimal form is non terminating.
Calculation:
Let some number between 5 to 7 is:
5.1234567...... , 5.5765876...., 6.12343567... and so on
∴ There are Infinite irrational number is lie between 5 and 7.
