Find the smallest number by which 252 can be multiplied t...
Find the smallest number by which 252 can be multiplied to obtain a perfect square
2
3
5
7
Correct answer is D
252=22×32×7
∴ To make 252 a perfect square, the smalest number to multiply with = 7.
252 \times 7 = 1764 = 42^{2}
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