Question

the square of which of the following numbers would be an odd number? why? a) 727 b) 158 c) 269 d) 1980

Answer 1

The square of A and C would be a odd number .

Square of the following:

a) 727 = 528529

b) 158 = 24964

c) 269 = 72361

d) 1980 = 3920400

You could easily check if the square of a number would be odd or even.

Just see the last digit of a number and see it's square. It's it odd than the whole answer would be odd and vise versa.

for e.g. 727
The last digit is 7 and square of 7 is 49 so we know that it's square would be a odd number

Answer 2

Step-by-step explanation:

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