Q. Which of the following numbers would have digit 6 at unit place.

(i) 19^{2}

(ii) 24^{2}

(iii) 26^{2}

(iv) 36^{2} 

(v) 34^{2}

Answers (1)

We know that when a square number ends in 6, the number whose square will have either 4 or 6 in unit’s place.

So the required numbers are squares of  24, 26, 36, 34.

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