BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course
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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
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130-pt guarantee
$0 to start
then $127/mo
GMAT Prep
Source: Beat The GMAT — Problem Solving |
PLEASE POST DS QUESTIONS IN DS SECTION
(1)
1/(k-1)>0
k-1>0
k>1, means that k is always positive
if k>1, then 1/k >0 because 1 and k are positive
SUFF
(2)
1/(k+1)>0
k+1>0
k>-1
k can be as negative from -1 to 0 as positive from 0
INSUFF
A
(1)
1/(k-1)>0
k-1>0
k>1, means that k is always positive
if k>1, then 1/k >0 because 1 and k are positive
SUFF
(2)
1/(k+1)>0
k+1>0
k>-1
k can be as negative from -1 to 0 as positive from 0
INSUFF
A
