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

Redeem

2 minutes

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Source: — Data Sufficiency |
Master | Next Rank: 500 Posts
Posts: 110
Joined: Thu Oct 23, 2008 9:12 am
Location: India
Thanked: 9 times
Followed by:1 members

by austin » Fri Nov 28, 2008 3:39 am
Stem translation: Is xy/(x+y) > xy???

1. x = 2y

LHS: 2y^2/3y = 2/3 y
RHS: 2y^2

x and y are non-zero integers

2y^2 > 2/3 y, for all y.

2. x + y > 0 => x>-y.

x = 3, y = 4 LHS: 12/7; RHS: 12 NO
x = 7, y = -1 LHS: -7/6; RHS: -7 YES
Inconsistent

A
Top
Post new topic Post Reply
• Page 1 of 1