pyq/2016/csat/62
If R and S are different integers both divisible by 5, then which of the following is not necessarily true?
(A) R – S is divisible by 5
(B) R + S s divisible by 10
(C) R × S is divisible by 25
(D) R²× S² is divisible by 5
If R and S are different integers both divisible by 5, then which of the following is not necessarily true?
(A) R – S is divisible by 5
(B) R + S s divisible by 10
(C) R × S is divisible by 25
(D) R²× S² is divisible by 5