Every non-terminating decimal number is a :

1. recurring decimal

2. real number

3. non-recurring decimal

4. circulating decimal

7.478478…. is a :

1. terminating rational

2. recurring

3. neither rational non-terminating

4. not real

Are the following statements true or false ? Give reasons for your answers ?

(i) Every whole number is a natural number.

(ii) Every whole number is a rational number.

(iii) Every integer is a rational number.

(iv) Every rational number is a whole number.