# Every natural number is a real number.

Consider the following statements:

1. Every natural number is a real number.

2. Every real number is a rational number.

3. Every integer is a real number.

4. Every rational number is a real number.

Which of the above statements are correct?

(a) 1, 2 and3

(b) 1, 3 and 4

(c) 2 and 3 only

(d) 3 and 4 only