# Rewrite the following statement with ‘if-then’ in five different ways conveying the same meaning.

If a natural number is odd, then its square is also odd

**Solution:**

The given statements can be written in five different ways as follows.

(i) A natural number is odd implies that its square is odd.

(ii) A natural number is odd only if its square is odd.

(iii) For a natural number to be odd, it is necessary that its square is odd.

(iv) For the square of a natural number to be odd, it is sufficient that the number is odd.

(v) If the square of a natural number is not odd, then the natural number is not odd

NCERT Solutions Class 11 Maths Chapter 14 Exercise 14.4 Question 1

## Rewrite the following statement with ‘if-then’ in five different ways conveying the same meaning. If a natural number is odd, then its square is also odd.

**Summary:**

The given statements can be written in different ways:

(i) A natural number is odd implies that its square is odd.

(ii) A natural number is odd only if its square is odd.

(iii) For a natural number to be odd, it is necessary that its square is odd.

(iv) For the square of a natural number to be odd, it is sufficient that the number is odd.

(v) If the square of a natural number is not odd, then the natural number is not odd.