1zhangsky 1zhangsky

18-08-2017
Mathematics

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The units digit of a perfect square is 6. What are the possible values of the tens digit?

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anju2710 anju2710

25-08-2017

As we know only square of 4 and 6 having 6 as unit digit. All the other digit doesn't have 6 in unit digit of two digit number.

Square of 4 is = [tex](4)^2 = 16[/tex]

Square of 6 is = [tex](6)^2 = 36[/tex]

So the possible value for tenth digit is 1 and 3.

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