Find all School-related info fast with the new School-Specific MBA Forum

 It is currently 07 May 2015, 02:05

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

X is a 2-digit positive integer, what is the tens' digit of

Author Message
TAGS:
Senior Manager
Joined: 08 Aug 2005
Posts: 251
Followers: 1

Kudos [?]: 17 [0], given: 0

X is a 2-digit positive integer, what is the tens' digit of [#permalink]  06 May 2006, 03:27
X is a 2-digit positive integer, what is the tens' digit of 2x?

1) The units' digit of 2x is 6
2) The units' digit of x is 3
Intern
Joined: 23 Feb 2006
Posts: 40
Followers: 0

Kudos [?]: 0 [0], given: 0

Agree with E:
x=10*a+b => 2x=20*a+2b
From 1) 2b=6 => b=3;
From 2) b=3
so 1) equal 2) and give no info about ten's digit
Intern
Joined: 23 Feb 2006
Posts: 40
Followers: 0

Kudos [?]: 0 [0], given: 0

Ohhh wrote a stupit thing about 2b....but still no info about ten's digit
Director
Joined: 24 Oct 2005
Posts: 660
Location: London
Followers: 1

Kudos [?]: 7 [0], given: 0

Agree with E.
Both give only units digit info.
Similar topics Replies Last post
Similar
Topics:
15 What is the tens digit of positive integer x ? 9 08 Oct 2012, 01:51
7 What is the tens digit of positive integer x ? 3 19 Mar 2012, 09:59
1 What is the tens digit of positive integer x? 4 29 Jul 2011, 19:54
What is the value of the 2digits integer x? 5 13 Feb 2011, 22:39
What is the tens digit of positive integer x ? (1) x divided 3 01 Aug 2007, 16:47
Display posts from previous: Sort by