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  • What could be the possible 'one's' digits of the square root of each of the following numbers? (i) 9801

1. What could be the possible ‘one’s’ digits of the square root of each of the following numbers?

 (i) 9801

Answers (1)

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We know that square of digits ending with 1 and 9 gives 1 at units place. 

So the number whose square ends in 1 = 1 & 9

So, possible unit digit of the square root of 9801 = 1 and 9.

Posted by

Devendra Khairwa

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