Num Prop

This topic has expert replies
Legendary Member
Posts: 869
Joined: Wed Aug 26, 2009 3:49 pm
Location: California
Thanked: 13 times
Followed by:3 members

Num Prop

by heshamelaziry » Fri Dec 11, 2009 10:44 am
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
Source: — Problem Solving |

Newbie | Next Rank: 10 Posts
Posts: 9
Joined: Thu Dec 10, 2009 3:04 pm
Thanked: 2 times

by qazpt » Fri Dec 11, 2009 11:55 am
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