Question

Which of these is the digit at unit’s place in square of 458? *
a) 1
b) 4
c) 5
d) 6

Answer 1

Answer:

Answer is b) 4

Step-by-step explanation:

Since, in 458, the unit digit is 8

Hence square of 8 = 64

And unit digit of square of 8 is 4

So, square of 458 will also have the unit digit as 4