Comments on: Integer N http://www.thegmatbootcamp.com/integer-n/ Welcome to The GMAT Bootcamp. Your #1 online GMAT Exam Resource. Here, you can find everything you need to help you achieve success on your GMAT exam. You can check out practice problems, practice exams, and even study guides to help you succeed. Tue, 10 Jan 2012 18:35:45 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: Jas Lamba http://www.thegmatbootcamp.com/integer-n/comment-page-1/#comment-115 Jas Lamba Fri, 11 Dec 2009 17:13:14 +0000 http://www.thegmatbootcamp.com/?p=988#comment-115 When integer N is divided by 6 the remainder is 3, thus since we are dealing with simple numbers we can choose a value for N. I choose N=9. This number adheres to the parameters of the question. Now, the question asks which is NOT a multiple of 6, so we are looking for a number that when is multiplied by N it will yield a non multiple of 6. To test it out, plugin N=9 for the answer choices. (A) N- 3 = 9-3= 6 6 is a multiple of 6 (B) N+3 = 9+3 = 12 12 is a multiple of 6 (C) 2N = 2*9 = 18 18 is a multiple of 6 (D) 3N = 3*9 = 27 27 is NOT a multiple of 6 (E) 4N = 4*9 = 36 36 is a multiple of 6. I am sure there is a way to solve this algebraically but I this just seems more intuitive to me. Hope it helps. Jas When integer N is divided by 6 the remainder is 3, thus since we are dealing with simple numbers we can choose a value for N. I choose N=9. This number adheres to the parameters of the question. Now, the question asks which is NOT a multiple of 6, so we are looking for a number that when is multiplied by N it will yield a non multiple of 6. To test it out, plugin N=9 for the answer choices.
(A) N- 3 = 9-3= 6 6 is a multiple of 6

(B) N+3 = 9+3 = 12 12 is a multiple of 6

(C) 2N = 2*9 = 18 18 is a multiple of 6

(D) 3N = 3*9 = 27 27 is NOT a multiple of 6

(E) 4N = 4*9 = 36 36 is a multiple of 6.

I am sure there is a way to solve this algebraically but I this just seems more intuitive to me.
Hope it helps.
Jas

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