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

Redeem

GMAT PREP ??

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Master | Next Rank: 500 Posts
Posts: 446
Joined: Thu Jul 26, 2007 1:07 pm
Thanked: 6 times

GMAT PREP ??

by dferm » Wed Apr 02, 2008 8:50 am
IF x and y are integers greater than 1, is x a multiple of y?

(1) 3y^2 + 7y = x
(2) x^2 - x is a multiple of y
Attachments
Doc79.doc
(62.5 KiB) Downloaded 93 times
Top
Source: — Data Sufficiency |
User avatar
Master | Next Rank: 500 Posts
Posts: 423
Joined: Thu Dec 27, 2007 1:29 am
Location: Hyderabad, India
Thanked: 36 times
Followed by:2 members
GMAT Score:770

by simplyjat » Wed Apr 02, 2008 9:55 am
Answer A

1) 3y^2 + 7y = x
y(3y+7) = x.

So X is a multple of y...

2 x^2 - x = ny
x (x - 1) = ny.
Here y is a multiple of x, but not information on x...
simplyjat
Top
Post new topic Post Reply
• Page 1 of 1