Question

8. The square of any number (other than 1) is :
(a) either a multiple of 3 or a multiple of 3 plus 1
(b) either a multiple of 4 or a multiple of 4 plus 1
(c) always a multiple of 3
(d) both (a) and (b) are true
YT77​

Answer 1

always a multiple of 3

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