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

It is currently 23 Oct 2014, 10:34

Close

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
Your Progress

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

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

If the square root of the product of three distinct positive

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
Senior Manager
Senior Manager
avatar
Joined: 02 Oct 2005
Posts: 305
Followers: 1

Kudos [?]: 4 [0], given: 0

If the square root of the product of three distinct positive [#permalink] New post 10 Nov 2005, 23:53
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
If the square root of the product of three distinct positive integers is equal to the largest of the three numbers, what is the product of the two smaller numbers?
(1) The largest number is 12.
(2) The average (arithmetic mean) of the three numbers is 20/3
Senior Manager
Senior Manager
avatar
Joined: 05 Oct 2005
Posts: 487
Followers: 1

Kudos [?]: 2 [0], given: 0

 [#permalink] New post 11 Nov 2005, 00:10
A... i think this has been discussed before
VP
VP
avatar
Joined: 30 Sep 2004
Posts: 1493
Location: Germany
Followers: 4

Kudos [?]: 52 [0], given: 0

 [#permalink] New post 11 Nov 2005, 02:04
D)...sqrt(xyz)=z !...1) sqrt(xy12)=12...suff...2)...x+y+z=20...only the set 12 6 2 satifies 2) and sqrt(xyz)=z...suff
_________________

If your mind can conceive it and your heart can believe it, have faith that you can achieve it.

SVP
SVP
User avatar
Joined: 28 May 2005
Posts: 1743
Location: Dhaka
Followers: 6

Kudos [?]: 47 [0], given: 0

 [#permalink] New post 11 Nov 2005, 06:42
it should be A.

if the larges one is 12, then the smaller one can be 3,4 or 6,2 eitherway the product of the two smaller number is 12 so 1 is suff...

now average of 3 integer is 20/3 , that means sum is 20

now it can be 12, 6 and 2

at the same time it can be 3, 5 and 15 as well

so statement is not suff...

A is the answer.
_________________

hey ya......

SVP
SVP
User avatar
Joined: 28 May 2005
Posts: 1743
Location: Dhaka
Followers: 6

Kudos [?]: 47 [0], given: 0

 [#permalink] New post 11 Nov 2005, 07:41
christoph wrote:
nakib77 wrote:
it should be A.

if the larges one is 12, then the smaller one can be 3,4 or 6,2 eitherway the product of the two smaller number is 12 so 1 is suff...

now average of 3 integer is 20/3 , that means sum is 20

now it can be 12, 6 and 2

at the same time it can be 3, 5 and 15 as well

so statement is not suff...

A is the answer.


3+5+15=23 contradicts 2) !




:oops: you are right.... i change my answer to D.
_________________

hey ya......

Current Student
avatar
Joined: 28 Dec 2004
Posts: 3403
Location: New York City
Schools: Wharton'11 HBS'12
Followers: 13

Kudos [?]: 164 [0], given: 2

 [#permalink] New post 11 Nov 2005, 08:22
late on this...I get D also...

(1) is fairly simple...

(20) a+b+c=20

we are told that sqrt(abc)=c

so lets 12.6.2 works just fine...(2) is suff...
Senior Manager
Senior Manager
avatar
Joined: 05 Oct 2005
Posts: 487
Followers: 1

Kudos [?]: 2 [0], given: 0

 [#permalink] New post 11 Nov 2005, 08:41
yes.. i change my answer to D

Thanks
Director
Director
avatar
Joined: 27 Jun 2005
Posts: 517
Location: MS
Followers: 2

Kudos [?]: 16 [0], given: 0

 [#permalink] New post 11 Nov 2005, 08:49
one more vote for A.
a is staright farward i.e x=yz

can not solve this with B
cause 2 equations 3 variables
x=yz (from question stem)
x+y+z=20 ( from B)
can not solve for 3 variables using 2 equations.


hence A


what is OA..?
  [#permalink] 11 Nov 2005, 08:49
    Similar topics Author Replies Last post
Similar
Topics:
If the square root of the product of three distinct positive yezz 9 02 Sep 2006, 09:17
If the square root of the product of three distinct positive marth750 11 09 Nov 2005, 18:42
If the square root of the product of three distinct positive TS 10 08 Jun 2005, 17:48
If the square root of the product of three distinct positive TS 1 26 May 2005, 18:20
If the square root of the product of three distinct positive Dookie 5 15 Nov 2004, 12:24
Display posts from previous: Sort by

If the square root of the product of three distinct positive

  Question banks Downloads My Bookmarks Reviews Important topics  


GMAT Club MBA Forum Home| About| Privacy Policy| Terms and Conditions| GMAT Club Rules| Contact| Sitemap

Powered by phpBB © phpBB Group and phpBB SEO

Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.