State whether the following statements are true or false. Justify your answers.

(i) Every irrational number is a real number.

(ii) Every point on the number line is of the form √m , where m is a natural number.

(iii) Every real number is an irrational number.

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.