Question

What will be the initial non-zero digits in the squares of the following numbers?
a. 110
b. 80
c. 1500​

Answer 1

square of 110 = 12100

                        = 121 or 1 ?

square of 80 = 6400

                       = 64 or 6?

square of 1500 = 225000

                           = 225 or 2?