If A and B are different integers, both divisible by 5, then which of the following is not necessarily true?

\[{{A}^{2}}+{{B}^{2}}\] is divisible by 5.

If A and B are different integers, both divisible by 5, then which of

1.	If A and B are different integers, both divisible by 5, then which of the following is not necessarily true?
A.	(A + B) is divisible by 5.
B.	(A + B) is divisible by 10.
C.	(A - B) is divisible by 5.
D.	\[{{A}^{2}}+{{B}^{2}}\] is divisible by 5.
Answer» C. (A - B) is divisible by 5.