It is currently 27 Jun 2017, 19:15

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

AB and BA are 2-digits integers and AB*BA=CDE, where CDE is

Author Message
Senior Manager
Joined: 22 Nov 2005
Posts: 474
AB and BA are 2-digits integers and AB*BA=CDE, where CDE is [#permalink]

Show Tags

27 May 2006, 19:53
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions

HideShow timer Statistics

This topic is locked. If you want to discuss this question please re-post it in the respective forum.

AB and BA are 2-digits integers and AB*BA=CDE, where CDE is a 3-digits integer. What is AB?
1). A=E
2). A=C
Director
Joined: 10 Oct 2005
Posts: 526
Location: US

Show Tags

27 May 2006, 21:36
C.

if A = E / A = C then the answer can be many such as 15/51, 12/21

but if both A=E=C then Answer is 12/21
VP
Joined: 21 Sep 2003
Posts: 1057
Location: USA

Show Tags

27 May 2006, 21:40
mahesh004 wrote:
C.

if A = E / A = C then the answer can be many such as 15/51, 12/21

but if both A=E=C then Answer is 12/21

_________________

"To dream anything that you want to dream, that is the beauty of the human mind. To do anything that you want to do, that is the strength of the human will. To trust yourself, to test your limits, that is the courage to succeed."

- Bernard Edmonds

Intern
Joined: 05 Apr 2006
Posts: 34

Show Tags

27 May 2006, 21:45
I think its E .
as there are multiple numbers satisfying these cretereon
eg. 11 , 11
and 12 , 21
Senior Manager
Joined: 08 Jun 2004
Posts: 495
Location: Europe

Show Tags

27 May 2006, 23:57
B it is.

Only when A=C we have AB =21 and BA = 12.
CDE = 252,
B by itself is suff to answer the question.
27 May 2006, 23:57
Display posts from previous: Sort by