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

 It is currently 27 Mar 2015, 21:21

### 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

# If x, y, and z are positive integers and 3x = 4y = 7z, then

Author Message
TAGS:
Intern
Joined: 09 May 2005
Posts: 5
Followers: 0

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

If x, y, and z are positive integers and 3x = 4y = 7z, then [#permalink]  09 May 2005, 23:06
If x, y, and z are positive integers and 3x = 4y = 7z,
then the least possible value of x + y + z is
(A) 33
(B) 40
(C) 49
(D) 61
(E) 84

According to answer key, is D but I donÂ´t see the way to solve this quikly...
VP
Joined: 30 Sep 2004
Posts: 1490
Location: Germany
Followers: 4

Kudos [?]: 80 [0], given: 0

1. calculate the least common multiple (LCM)
2. LCM of 3 and 4 and 7 is 84
3. divide 84 by each number
5. 28 + 21 + 12 = 61
_________________

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

Intern
Joined: 09 May 2005
Posts: 5
Followers: 0

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

You are great man!

Many thanks

Juan
Similar topics Replies Last post
Similar
Topics:
If x, y, and z are positive integers and 3x = 4y = 7z, then 2 01 Dec 2007, 10:06
if x, y, and z are positive integers and 3x=4y=7z, then the 4 29 Oct 2007, 19:04
If x, y, and z are positive integers and 3x = 4y = 7z, then 7 19 Oct 2006, 09:33
If x, y, and z are positive integers and 3x=4y=7z, then the 3 06 Sep 2006, 15:37
If x, y and z are positive integers and 3x=4y=7z, then the 2 04 Jun 2006, 02:50
Display posts from previous: Sort by