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

Redeem
TTP OnDemand GMAT Video Course
Featured Course

Target Test Prep GMAT OnDemand

Scott Woodbury-Stewart’s private virtual classroom — 400 hours of master-class video lessons for the GMAT Focus Edition.

  • 715+ score guarantee — highest in the industry (99th percentile)
  • 52 chapters · 1,500+ lessons · 4,000+ practice questions
  • 400 hours of video · 1,500+ instructor-led HD smartboard lessons
  • 300,000+ students accepted to Harvard, Stanford, Wharton, Booth & Sloan & more
  • 24/7 live support + weekly Zoom office hours with GMAT instructors
  • TTP AI Assist — 24/7 AI-powered virtual tutor for instant help
  • 1,200+ flashcards + AI-powered study assistant & daily calendar
  • OnDemand, LiveTeach & GMAT Bootcamp formats available
  • Also: GRE, SAT Math & Executive Assessment courses
  • MBA Admissions Consulting now available
  • 🏆 2025 EdTech Breakthrough Award: Test Prep Solution Provider of the Year
  • 200,000+ students served
  • 5-day free trial — $0 to start, no auto-billing, cancel anytime
★★★★★ 5.0 (559 reviews)
130-pt guarantee
$0 to start then $127/mo
Start Free 5-Day Trial Read 559 Reviews →

If a rational number r satisfies 0 < r < 1, which one is the minimum among the following choices?

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 amFollowed by: 37 members
Location: Las Vegas, USA
Thanked: 19 times
by Max@Math Revolution » Thu Aug 06, 2020 2:38 am

Timer

00:00

Answers

A

B

C

D

E

Stats

Difficulty—

[GMAT math practice question]

If a rational number r satisfies 0 < r < 1, which one is the minimum among the following choices?

A. r
B. -r
C. -1/r
D. -r^2
E. -1/r^2
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Source: — Problem Solving |
Newbie | Next Rank: 10 Posts
Posts: 2
Joined: Thu Aug 06, 2020 10:44 am

Re: If a rational number r satisfies 0 < r < 1, which one is the minimum among the following choices?

by gmatter923 » Thu Aug 06, 2020 11:15 am
Max@Math Revolution wrote: ↑
Thu Aug 06, 2020 2:38 am
 [GMAT math practice question]

If a rational number r satisfies 0 < r < 1, which one is the minimum among the following choices?

A. r
B. -r
C. -1/r
D. -r^2
E. -1/r^2
IS IT E?
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
User avatar
Elite Legendary Member
Posts: 3991
Joined: Fri Jul 24, 2015 2:28 amFollowed by: 37 members
Location: Las Vegas, USA
Thanked: 19 times

Re: If a rational number r satisfies 0 < r < 1, which one is the minimum among the following choices?

by Max@Math Revolution » Sun Aug 09, 2020 11:03 pm
=>
We can substitute in a number satisfying the condition.
Assume r = 1/2.
Then -r = -1/2, -1/r = -2, -r^2 = -1/4 and -1/r^2 = -4
Thus -1/r^2 = -4 is the minimum number.

Therefore, E is the correct answer.

Answer: E
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Post new topic Post Reply
• Page 1 of 1