Question

If N is a perfect square and ends with the digit 9, then what will be the digit in the units place of N−−√?

Answer 1

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N9 - is a perfect square

So, 49 can be the answer because √49 = 7

And unit digit in N9 (49) will be 9.

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Answer 2

Answer:

Answer :

N9 - is a perfect square

• So, 49 can be the answer because √49 = 7

And unit digit in N9 (49) will be 9.

Hope it helps you :)

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