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Can we say whether the following number are perfect square? How do we know? 2061

Q.1 Can we say whether the following numbers are perfect squares? How do we know?

(vi) 2061

 

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It is known that the numbers that end with 0, 1, 4, 5, 6 or 9 at units place may be a perfect square.

Given number has 1 as the last digit so it may be a perfect square number.

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