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

Redeem

Gmatprep..Urgent!!

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Source: — Problem Solving |
Master | Next Rank: 500 Posts
Posts: 111
Joined: Sat Sep 27, 2008 12:41 pm
Thanked: 1 times

by tdadic84 » Sun Dec 14, 2008 12:16 pm
when r = 0.1 and s = 1.1

1.1 X .1 = 0.11
Top
Senior | Next Rank: 100 Posts
Posts: 33
Joined: Mon Nov 17, 2008 12:08 pm
Thanked: 1 times

by NehaBhandari » Sun Dec 14, 2008 2:30 pm
sorry I mean rs greater than 1

why is the answer 1 only
and not 1 and 2
Top
User avatar
GMAT Instructor
Posts: 16207
Joined: Mon Dec 08, 2008 6:26 pm
Location: Vancouver, BC
Thanked: 5254 times
Followed by:1268 members
GMAT Score:770

by Brent@GMATPrepNow » Sun Dec 14, 2008 3:36 pm
The question asks, "Which of the following MUST be less than 1"
Some students will read this as "Which of the following CAN be less than 1" in which case I, II and III would all be correct.

One counterexample is r=0.9 and s=1.9, in which case rs is greater than 1.
Top
Post new topic Post Reply
• Page 1 of 1