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The least number by which 216 must be divided to make the result a perfect square is?

Correct Answer: 6

Explanation:

216 = 2 x 2 x 2 x 3 x 3 x 3
= (2 x 2) x 2 x ( 3 x 3) x 3
Clearly, in order to make it a perfect square, it must be divided by 2 x 3 i.e., 6 .


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