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 →

Is z > 0.5 ?

Expert replies
Post new topic Post Reply
Previous Topic Next Topic
Moderator
Posts: 7187
Joined: Thu Sep 07, 2017 4:43 pmFollowed by: 23 members
by BTGmoderatorDC » Fri Sep 11, 2020 3:42 pm

Timer

00:00

Answers

A

B

C

D

E

Stats

Difficulty—

Is z > 0.5 ?

(1) The tenths digit in the decimal representation of z is greater than 2.
(2) z is between 0 and 1.


OA E

Source: GMAT Prep
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Source: — Data Sufficiency |
Legendary Member
Posts: 2539
Joined: Sun Oct 29, 2017 2:04 pmFollowed by: 6 members

Re: Is z > 0.5 ?

by swerve » Sat Sep 12, 2020 2:50 pm
BTGmoderatorDC wrote: ↑
Fri Sep 11, 2020 3:42 pm
 Is z > 0.5 ?

(1) The tenths digit in the decimal representation of z is greater than 2.
(2) z is between 0 and 1.


OA E

Source: GMAT Prep
Option 1: \(z\) can be \(0.3\) as well as \(0.6\). Not sufficient \(\Large{\color{red}\chi}\)

Option 2: \(0<z<1\); same issue here \(z\) can be \(0.3\) or \(0.6\). Not sufficient \(\Large{\color{red}\chi}\)

Combining together 1 and 2,

\(z\) can be \(0.3\) or \(0.6\). \(\Large{\color{red}\chi}\)
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Post new topic Post Reply
• Page 1 of 1