The least number by which 45 must be multiplied to make it a perfect square ?
(a) 2 (b) 3 (c) 5 (d) None of these
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the answer is c) 5
as 45 × 5 = 225
which is square of 15
as 45 × 5 = 225
which is square of 15
Utkarsh9785:
thank you very much☺
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