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 →

tenth / hundredth place

Expert replies
Post new topic Post Reply
Previous Topic Next Topic
User avatar
Master | Next Rank: 500 Posts
Posts: 248
Joined: Mon Aug 11, 2008 9:51 am
Thanked: 13 times
by earth@work » Sat Feb 14, 2009 10:18 am
If n is a positive integer that is less than 10, what is the value of n?
(1) n is the tenth digit in the decimal representation of 1/n.
(2) n is the hundredth digit in the decimal representation of 1/n.
Ans: [spoiler]B, but i think it shud be A, since (1) 1/3=0.33 -suff (2)1/3=0.33 & 1/6=0.16 - insuff [/spoiler]
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Source: — Data Sufficiency |
Legendary Member
Posts: 1035
Joined: Wed Aug 27, 2008 10:56 pmFollowed by: 1 member
Thanked: 104 times

by scoobydooby » Sat Feb 14, 2009 10:36 am
agree with A

stmnt 1: only possible value satisfying the conditions is n=3 (1/3=0.33)
stmnt 2: both n=3, n=6 are possibe. doesnt give a unique value.

whats the source earth?
Last edited by scoobydooby on Sat Feb 14, 2009 11:54 am, edited 1 time in total.
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Senior | Next Rank: 100 Posts
Posts: 66
Joined: Fri Oct 31, 2008 2:41 pm
Location: London, UK
Thanked: 5 times
GMAT Score:770

by cjb » Sat Feb 14, 2009 11:20 am
Surely this should be E?

Consider n=3:

1/n = 0.33333333333333333333...

or n=6:

1/n = 0.1666666666666666666...

As far as I can see, both n=3 and n=6 satisfy both (1) and (2). Have I missed something?
80% of success is showing up -- Woody Allen
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Legendary Member
Posts: 1035
Joined: Wed Aug 27, 2008 10:56 pmFollowed by: 1 member
Thanked: 104 times

by scoobydooby » Sat Feb 14, 2009 11:53 am
cjb wrote:Surely this should be E?

Consider n=3:

1/n = 0.33333333333333333333...

or n=6:

1/n = 0.1666666666666666666...

As far as I can see, both n=3 and n=6 satisfy both (1) and (2). Have I missed something?
statement 1 says n in tenth place and statement 2 says n in hundredth place
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Senior | Next Rank: 100 Posts
Posts: 66
Joined: Fri Oct 31, 2008 2:41 pm
Location: London, UK
Thanked: 5 times
GMAT Score:770

by cjb » Sat Feb 14, 2009 11:55 am
scoobydooby wrote:statement 1 says n in tenth place and statement 2 says n in hundredth place
Statement 1 says "is the tenth digit", not "is the tenths digit". Is someone misreading this?
80% of success is showing up -- Woody Allen
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Legendary Member
Posts: 1035
Joined: Wed Aug 27, 2008 10:56 pmFollowed by: 1 member
Thanked: 104 times

by scoobydooby » Sat Feb 14, 2009 11:56 am
cjb wrote:
scoobydooby wrote:statement 1 says n in tenth place and statement 2 says n in hundredth place
Statement 1 says "is the tenth digit", not "is the tenths digit". Similarly for statement 2.

oops, got mistaken. thanks cjb
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
User avatar
Master | Next Rank: 500 Posts
Posts: 248
Joined: Mon Aug 11, 2008 9:51 am
Thanked: 13 times

by earth@work » Sat Feb 14, 2009 11:59 am
cjb wrote:Surely this should be E?

Consider n=3:

1/n = 0.33333333333333333333...

or n=6:

1/n = 0.1666666666666666666...

As far as I can see, both n=3 and n=6 satisfy both (1) and (2). Have I missed something?
n=6 does not satisfy (1) because it does not have 6 in tenth place instead it has 1. only n=3 satisfies (1)
stmnt 1: only possible value satisfying the conditions is n=3 (1/3=0.33)
stmnt 2: both n=3, n=6 are possibe. doesnt give a unique value.

whats the source earth?
i found these few questions on net when i was searching for GMAT quantitative questions some time back...i couldn't find answers to many, infact not very reliable answers but i liked the questions!
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Senior | Next Rank: 100 Posts
Posts: 66
Joined: Fri Oct 31, 2008 2:41 pm
Location: London, UK
Thanked: 5 times
GMAT Score:770

by cjb » Sat Feb 14, 2009 12:02 pm
earth@work wrote:
cjb wrote:Surely this should be E?

Consider n=3:

1/n = 0.33333333333333333333...

or n=6:

1/n = 0.1666666666666666666...

As far as I can see, both n=3 and n=6 satisfy both (1) and (2). Have I missed something?
n=6 does not satisfy (1) because it does not have 6 in tenth place instead it has 1. only n=3 satisfies (1)
n=6 has 1 in the tenths place. It has six in tenth place.
80% of success is showing up -- Woody Allen
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
User avatar
Master | Next Rank: 500 Posts
Posts: 248
Joined: Mon Aug 11, 2008 9:51 am
Thanked: 13 times

by earth@work » Sat Feb 14, 2009 12:02 pm
scoobydooby wrote:
cjb wrote:
scoobydooby wrote:statement 1 says n in tenth place and statement 2 says n in hundredth place
Statement 1 says "is the tenth digit", not "is the tenths digit". Similarly for statement 2.

oops, got mistaken. thanks cjb
wow! was misreading this all the time...thanks cbj!
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Post new topic Post Reply
• Page 1 of 1