Question

2
without doing any
calculation, find
the
number which are swiely not
perfect Squares that ​

Answer 1

Answer:

We know that the ending digit of perfect square is 0, 1, 4, 5, 6, and 9. ∴ A number ending in 2, 3, 7 or 8 can never be a perfect square. ∴ (i) 153, cannot be a perfect square.

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