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 →

OG question 11th ed

Expert replies
Post new topic Post Reply
Previous Topic Next Topic
Source: — Data Sufficiency |
Senior | Next Rank: 100 Posts
Posts: 72
Joined: Mon Mar 10, 2008 10:29 am
Thanked: 25 times

by tmmyc » Fri Apr 11, 2008 5:12 pm
Statement 1:

n^2 = 4
n = 2
YES

n^2 = 5
n = sqrt(5)
NO

Insufficient.

Statement 2:
Sufficient since any integer squared is also an integer.

Example
sqrt(n) = 2
n = 4
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Senior | Next Rank: 100 Posts
Posts: 46
Joined: Wed Apr 16, 2008 9:01 pm

by hillzheng » Wed Apr 16, 2008 11:38 pm
the answer is B
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Senior | Next Rank: 100 Posts
Posts: 78
Joined: Thu Dec 06, 2007 4:16 pm
Location: NYC, NY
Thanked: 2 times

by preciousrain7 » Sat Apr 19, 2008 11:07 am
tmmyc wrote:Statement 1:

n^2 = 4
n = 2
YES

n^2 = 5
n = sqrt(5)
NO

Insufficient.

Statement 2:
Sufficient since any integer squared is also an integer.

Example
sqrt(n) = 2
n = 4
Ahhh.... I made the mistake of thinking if you sq any # it'll be an integer. Thanks a bunch!
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Post new topic Post Reply
• Page 1 of 1