Question

what will be the unit of the square root of the following
1) 1234​

Answer 1

(v)1234 - Unit digit of square of 1234 will be 6

Answer 2

hello mate here is your answer

1234 look at the last digit it 4 so u can follow this table

1x1=1

2x2=4

3x3=9

4x4=16

5x5=25

6x6=36

7x7=49

8x8=64

9x9=81

so now look at the digit of every answer

so 4 is 6 so look the unit digit of square root is 6