Give reason to show that none of the numbers, given below, is a perfect square.

(i) 2162 (ii) 6843

(iii) 9637 (iv) 6598

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Solution

A number having 2, 3, 7 or 8 at the unit place is never a perfect square.

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Give reason to show that none of the numbers, given below, is a perfect square. (i) 2162 (ii) 6843 (iii) 9637 (iv) 6598

A number having 2, 3, 7 or 8 at the unit place is never a perfect square.

Give reason to show that none of the numbers, given below, is a perfect square.

(i) 2162 (ii) 6843

(iii) 9637 (iv) 6598