Question

There is a number whose unit place digit is 1.Now we find it's square root. What will be the possible digit at the unit place of that square number? * 1 or 9 2 or 8 3 or 7 4 or 5​

Answer 1

Answer:

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There is a number whose unit place digit is 1.Now we find it's square root. What will be the possible digit at the unit place of that square number? * 1 or 9 2 or 8 3 or 7 4 or 5