Question

x) The square of which of the following would be odd number?
a) 431
b) 2826
c) 82004 d) 486​

Answer 1

Answer:

a will be odd

b will be even

c will be even

d will be even

Step-by-step explanation:

Just multiply the number at the units place by itself. If the obtained product is even then the square will be even and if odd then the square will be also odd.

Hope this helps.

Answer 2

Answer:

a)431

Step-by-step explanation:

(2826)^2 can't be odd

(82004)^2 can't be odd

(486)^2 can't be odd

so 431 is correct