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Without doing any calculation, find the numbers which are surely not perfect squares. i. 153

Without doing any calculation, find the numbers which are surely not perfect squares. i. 153  

Grade:12th pass

1 Answers

Harshit Singh
askIITians Faculty 5963 Points
29 days ago
Dear Student

We know that natural numbers ending with the digits 0, 2, 3, 7 and 8 are not perfect square.

i. 153⟹ Ends with 3. ∴, 153 is not a perfect square



Thanks

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