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What could be the possible 'one's' digits of the square root of each of the following numbers? (ii) 99856

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

(ii) 99856

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We know that square of digits ending with 4 and 6 gives 6 at its units place.

So possible ‘one’s’ digits of the square root of  99856 are 4 and 6.

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