Question

What could be the possible ones digit of the square root of any number?

Answer 1

Answer:

) 1 and 9. Since 1² and 9² give 1 at unit's place, so these are the possible values of unit digit of the square root. Since 1² and 9² give 1 at unit's place, so these are the possible values of unit digit of the square root. Since, 5²= 25, hence 5 is possible.

Answer 2

Step-by-step explanation:

1 and 9. Explanation: Since 12 and 92 give 1 at unit's place, so these are the possible values of unit digit of the square root. Explanation: Since, 52 = 25, hence 5 is possible.