When the integer n is divided by 6, the remainder is 3, Which of the following is NOT a multiple of 6?
(A) n - 3
(B) n + 3
(C) 2n
(D) 3n
(E) 4n
IMO D
(A) n - 3
(B) n + 3
(C) 2n
(D) 3n
(E) 4n
IMO D
just pick numbers.
the number 9 and 15 are when divided by 6 leave a remainder of three
now plug in your answers starting with D 3(9) is not divisible by six.
Boom there is your answer
