Are the square roots of all positive integers irrational? If not, give an example of the square root of a number that is a rational number.

Visualise the representation of \( 5.3\overline{7}\) on the number line upto 5 decimal places, that is upto 5.37777.

Visualise 2.665 on the number line, using successive magnification.

Find whether the following statements are true or false:

(i) Every real number is either rational or irrational.

(ii) π is an irrational number.

(iii) Irrational numbers cannot be represented by points on the number line.

Represent \( \sqrt{10.5}\)  on the real number line.

Represent \( \sqrt{9.4}\)  on the real number line.