Question

What could be the unit digit of 961​

Answer 1

Step-by-step explanation:

Properties regarding Unit Digit of Perfect Square

Squares: There is a definite relationship between the unit digits when square of a number is considered, we will see that one by one. E.g. 81, 121, 441, 961 all are Perfect Square having unit digit 1 and tens digit is even.

Answer 2

Step-by-step explanation:

To find the square root of 961 using the Vilokanam method, first of all we will find the unit's digit of the number, here it is 1. So, as per Vilokanam method the unit place of square root of 961 will be, 1. Now, to find another digit, we will ignore the last two digits, so our digit will be 9.

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Properties regarding Unit Digit of Perfect Square

Squares: There is a definite relationship between the unit digits when square of a number is considered, we will see that one by one. E.g. 81, 121, 441, 961 all are Perfect Square having unit digit 1 and tens digit is even.