Question

What will be the units digit of the squares of the following members 1) 432 2) 2857 3) 5909 4) 83245 ​

Answer 1

Answer:

(unit digit of the square of a number is the unit digit of the square of the last number)

1) 432                                                             3) 5909

--> 2 x 2 = 4                                                    --> 9 x 9 = 81 = 1

2) 2857                                                           4) 83245

--> 7 x 7 = 49 = 9                                             --> 5 x 5 = 25 = 5

Hope this helps...

Answer 2

Answer:

1. 2×2=4
2. 7×7=49=9
3. 9×9=81=1
4. 5×5=25=5