Question

what will be the unit digit of the square of the following number 83245

Answer 1

the unit digit of the square of 83245 is always 5.

When a number has 5 as it's unit digit, the unit digit of its square is always 5.

For example:

5^2 = 25
25^2 = 625
35^2 = 1225
115^2 = 13225
205^2 = 42025

Unit digit is always 5

Answer 2

Here Your Answer ✍️

Number➡️83245

Unit Digit ➡️5

We have to Find Square of it
So To Find Unit Digit of It just Find Square of last digit means 5

5²=25
Unit Digit of 25=5

So Unit Digit of square=5

Check
83245²=6929730025
So Unit Digit➡️5