Target Test Prep 20% Off Flash Sale is on! Code: FLASH20

Redeem
Target Test Prep
5-Day Free Trial
5-day free, full-access trial TTP

Available with Beat the GMAT members only code

MORE DETAILS
Target Test Prep
Magoosh
Magoosh
Study with Magoosh GMAT prep

Available with Beat the GMAT members only code

MORE DETAILS
Magoosh

If x > y >0, a < 0 and b > 0, then which of the

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
User avatar
Elite Legendary Member
Posts: 3991
Joined: Fri Jul 24, 2015 2:28 am
Location: Las Vegas, USA
Thanked: 19 times
Followed by:37 members

If x > y >0, a < 0 and b > 0, then which of the

by Max@Math Revolution » Thu Apr 05, 2018 3:24 am

Timer

00:00

Your Answer

A

B

C

D

E

Global Stats

[GMAT math practice question]

If x > y >0, a < 0 and b > 0, then which of the following is (are) true?

â… . ax+by > 0
â…¡.ax-by > 0
â…¢. by-ax > 0

A. â… only
B. â…¡ only
C. â…¢ only
D.â… & â…¡ only
E. â…¡ & â…¢ only
Last edited by Max@Math Revolution on Thu Apr 12, 2018 6:14 pm, edited 1 time in total.
Top
User avatar
Elite Legendary Member
Posts: 3991
Joined: Fri Jul 24, 2015 2:28 am
Location: Las Vegas, USA
Thanked: 19 times
Followed by:37 members

by Max@Math Revolution » Sun Apr 08, 2018 5:04 pm
=>

Statement I.
x = 2, y = 1, a = -1, b = 1: False

Statement II.
x = 2, y = 1, a = -1, b = 1: False

Statement III.
Since a < 0 and x > 0, -ax > 0. And by > 0 since b > 0 and y > 0.
by - ax = by + (-ax) > 0. True

Therefore, C is the answer.

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