BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

GMAC Number Properties

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Source: — Data Sufficiency |
Senior | Next Rank: 100 Posts
Posts: 68
Joined: Mon May 04, 2009 10:01 pm

GMAC Remainder Problem

by DCJ » Wed Oct 14, 2009 5:48 pm
If n is a positive integer and r is the remainder when (n-1)(n+1) is divided by 24, what is the value of r?
(1)2 is not a factor of n
(2)3 is not a factor of n

Ans:C
Top
Post new topic Post Reply
• Page 1 of 1