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For what value of N, 270N will be a perfect square, where 270N is a 4 digit number??
1
6
4
9
Number = 270N
We know that $$(50)^2=2500$$ and $$(51)^2=2601$$
Thus, $$(52)^2=2704$$
=> $$N=4$$
=> Ans - (C)
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