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What could be the possible ‘one’s’ digits of the square root of each of the following numbers. (iii) 998001

Q1. What could be the possible ‘one’s’ digits of the square root of each of the following numbers?

(iii) 998001

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

So the possible ‘one’s’ digits of the square root of 998001 are 1 and 9.

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