The possible one's digits of the square root of 99856 is
1) 6 or 4
2) 2 or 3
State whether it is 1 or 2.

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Solution

The digit at units place is 6. 6 at units digit can only be obtained from $4^{2}$ or $6^{2}$ .
Hence, the square root of 99856 will have either 4 or 6 at units place.

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Question 1 (ii)
What could be the possible ‘one’s’ digit of the square root of following number:

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