It is currently 16 Dec 2017, 09:03

### 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 a and b are positive integers, what is the value of a + b

Author Message
SVP
Joined: 16 Oct 2003
Posts: 1798

Kudos [?]: 174 [0], given: 0

If a and b are positive integers, what is the value of a + b [#permalink]

### Show Tags

12 Jul 2004, 21:16
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 100% (00:47) wrong based on 1 sessions

### HideShow timer Statistics

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

17. If a and b are positive integers, what is the value of a + b ?

(1) a/b = 5/8
(2) The greatest common divisor of a and b is 1.

Kudos [?]: 174 [0], given: 0

Director
Joined: 05 May 2004
Posts: 574

Kudos [?]: 68 [0], given: 0

Location: San Jose, CA

### Show Tags

12 Jul 2004, 22:12
Bhai wrote:
17. If a and b are positive integers, what is the value of a + b ?

(1) a/b = 5/8
(2) The greatest common divisor of a and b is 1.

C

from 1> a can be 5,10,15 ... b can be 8, 16, 24 ...

(5,8) GCD - 1
(10,16) GCD - 2
(15,24) GCD - 3
.
.
.

Hence a=5 and b=8

Kudos [?]: 68 [0], given: 0

CIO
Joined: 09 Mar 2003
Posts: 460

Kudos [?]: 74 [0], given: 0

### Show Tags

13 Jul 2004, 05:30
agree on C, same explanation. With ratios, we can't know the real numbers.

Kudos [?]: 74 [0], given: 0

13 Jul 2004, 05:30
Display posts from previous: Sort by