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Q.2 Without doing any calculation, find the numbers which are surely not perfect squares.

(i) 153

(ii) 257

(iii) 408

(iv) 441

Answers (1)

best_answer

As we know the units place of a perfect square cannot be 2, 3, 7, and 8.

So 153, 257, 408 are surely not perfect squares.

Posted by

Devendra Khairwa

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