It is currently 20 Oct 2017, 13:27

### 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

# Last year in a group of 30 businesses, 21 reported a net

 post reply Question banks Downloads My Bookmarks Reviews Important topics
Author Message
Manager
Joined: 03 Oct 2008
Posts: 61

Kudos [?]: 31 [0], given: 0

Last year in a group of 30 businesses, 21 reported a net [#permalink]

### Show Tags

09 Oct 2008, 05:44
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Last year in a group of 30 businesses, 21 reported a net profit and 15 had investments in foreign markets. How many of the businesses did not report a net profit nor invest in foreign markets last year?
(1) Last year 12 of the 30 businesses reported a net profit and had investments in foreign markets.
(2) Last year 24 of the 30 businesses reported a net profit or invested in foreign markets, or both.

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.

Kudos [?]: 31 [0], given: 0

Manager
Joined: 22 Sep 2008
Posts: 121

Kudos [?]: 48 [2], given: 0

Re: math--net profit [#permalink]

### Show Tags

09 Oct 2008, 05:53
2
KUDOS
both are sufficient:

C

Kudos [?]: 48 [2], given: 0

Intern
Joined: 27 Sep 2008
Posts: 16

Kudos [?]: 9 [0], given: 0

Re: math--net profit [#permalink]

### Show Tags

09 Oct 2008, 09:11
I think the answer is C(both statements alone is sufficient)

Explanation:
==========
1)
if 12 out of 30 businesses reported a profit with intl investments, then there are 3 businesses with intl investments and no profits.
Also there will be 9 businesses with no intl investments and on profits. finally that leaves 6 businesses with no profits and no intl investments.

2)if 24 businesses have intl investments and/or on profits then that leaves 6 business with neither of them

Hope this helps,
SM

Kudos [?]: 9 [0], given: 0

Manager
Joined: 15 Apr 2008
Posts: 164

Kudos [?]: 12 [0], given: 1

Re: math--net profit [#permalink]

### Show Tags

09 Oct 2008, 09:55
albany09 wrote:
Last year in a group of 30 businesses, 21 reported a net profit and 15 had investments in foreign markets. How many of the businesses did not report a net profit nor invest in foreign markets last year?
(1) Last year 12 of the 30 businesses reported a net profit and had investments in foreign markets.
(2) Last year 24 of the 30 businesses reported a net profit or invested in foreign markets, or both.

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.

I think the answer is D

statement 1: 12 reported a net profit and invested in foreign markets.
businesses reporting a net profit= 21-12=9
businesses invested in foreign market=15-12=3
total businesses reporting net profit, investing in foreign markets or both=12+9+3=24

therefore businesses that did not report a net profit nor invested in foreign market=30-24=6

statement 2 gives the figure 24 which leaves 6 busineses that did not report net profit nor invested in foreign markets.

Kudos [?]: 12 [0], given: 1

Senior Manager
Joined: 21 Apr 2008
Posts: 487

Kudos [?]: 56 [0], given: 13

Schools: Kellogg, MIT, Michigan, Berkeley, Marshall, Mellon
Re: math--net profit [#permalink]

### Show Tags

09 Oct 2008, 10:10
Hi guys,

my contribution:

From the question we can draw the following matrix

Code:
report Net Prof.            no report Net Prof.         Total
Invest                   x                                z                         15
No Invest               y                               w                         15
Total                     21                              9

the question asks for w

From 1

x=12, thus y=9 thus w=6

SUFF.

From 2

x+y+z=24, thus w=6

SUFF.

D

OA?

Cheers
_________________

mates, please visit my profile and leave comments
http://gmatclub.com/forum/johnlewis1980-s-profile-feedback-is-more-than-welcome-80538.html

I'm not linked to GMAT questions anymore, so, if you need something, please PM me

I'm already focused on my application package

My experience in my second attempt
http://gmatclub.com/forum/p544312#p544312
My experience in my third attempt
http://gmatclub.com/forum/630-q-47-v-28-engineer-non-native-speaker-my-experience-78215.html#p588275

Kudos [?]: 56 [0], given: 13

Intern
Joined: 09 Oct 2008
Posts: 23

Kudos [?]: 11 [0], given: 0

Re: math--net profit [#permalink]

### Show Tags

09 Oct 2008, 11:02

Each of them alone is sufficient

Quickly draw Van Diagram [ ( 25 ( ) 15 ) ] = 30

All you need is combined set of A and B, which is A + B - intersection of A and B.
1) give you intersaction of A + B (SUFFICIENT)
2) give you combined (SUFFICIENT)

No calcuation needed.

Kudos [?]: 11 [0], given: 0

Re: math--net profit   [#permalink] 09 Oct 2008, 11:02
Display posts from previous: Sort by

# Last year in a group of 30 businesses, 21 reported a net

 post reply Question banks Downloads My Bookmarks Reviews Important topics

 Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne 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®.