Question

what will be one's digit in the square of the following numbers?
a) 98 b)35 c) 89 d) 43 e) 74​

Answer 1

Answer:

the answer is what I know and I found

Answer 2

a) 4

98*98; we know that 8*8 = 64

so, the one's digit of square of 98 is 4

Also, 98*98 = 9604

b) 5

35*35; we know that 5*5 = 25

so, the one's digit of square of 35 is 5

Also, 35*35 = 1225

Similarly, perform other parts too.