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.

The given statement 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 the 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.


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