GMAT Question of the Day - Daily to your Mailbox; hard ones only

It is currently 16 Aug 2018, 22:23

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.

Close

Request Expert Reply

Confirm Cancel

At a country club, 75% of the members play golf and 60% of the members

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:

Hide Tags

Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 47946
At a country club, 75% of the members play golf and 60% of the members  [#permalink]

Show Tags

New post 10 Apr 2018, 21:47
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

65% (00:26) correct 35% (00:44) wrong based on 84 sessions

HideShow timer Statistics

At a country club, 75% of the members play golf and 60% of the members play tennis. What percent of the members play both golf and tennis?

A. 25%
B. 35%
C. 50%
D. 60%
E. Cannot be determined

_________________

New to the Math Forum?
Please read this: Ultimate GMAT Quantitative Megathread | All You Need for Quant | PLEASE READ AND FOLLOW: 12 Rules for Posting!!!

Resources:
GMAT Math Book | Triangles | Polygons | Coordinate Geometry | Factorials | Circles | Number Theory | Remainders; 8. Overlapping Sets | PDF of Math Book; 10. Remainders | GMAT Prep Software Analysis | SEVEN SAMURAI OF 2012 (BEST DISCUSSIONS) | Tricky questions from previous years.

Collection of Questions:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. ,11 Mixed Questions, 12 Fresh Meat

DS: 1. DS tough questions; 2. DS tough questions part 2; 3. DS tough questions part 3; 4. DS Standard deviation; 5. Inequalities; 6. 700+ GMAT Data Sufficiency Questions With Explanations; 7 Tough and tricky exponents and roots questions; 8 The Discreet Charm of the DS; 9 Devil's Dozen!!!; 10 Number Properties set., 11 New DS set.


What are GMAT Club Tests?
Extra-hard Quant Tests with Brilliant Analytics

Intern
Intern
avatar
B
Joined: 08 Jun 2016
Posts: 10
GMAT ToolKit User
Re: At a country club, 75% of the members play golf and 60% of the members  [#permalink]

Show Tags

New post 11 Apr 2018, 06:33
Ans E. Since we are not given how many players do not play each of the games at all.

Sent from my SM-G935F using GMAT Club Forum mobile app
Intern
Intern
avatar
B
Joined: 08 Jun 2016
Posts: 10
GMAT ToolKit User
Re: At a country club, 75% of the members play golf and 60% of the members  [#permalink]

Show Tags

New post 11 Apr 2018, 07:09
Or the Ans can be D.

Suppose X be the total number of players who play tennis as well as golf.

Also suppose total number of club members be 100 out of which memebrs who do not play both tennis and golf be 25.

Therefore
Memebers who play both tennis and golf be X
Memebers who play only tennis be 60 - X
Members who play only golf be 75 - X

Therefore the following equation comes
60 - X + 75 - X + X = 100 - 25
135 - X = 75
X = 60%.

Sent from my SM-G935F using GMAT Club Forum mobile app
SC Moderator
avatar
V
Joined: 22 May 2016
Posts: 1903
Premium Member CAT Tests
At a country club, 75% of the members play golf and 60% of the members  [#permalink]

Show Tags

New post 11 Apr 2018, 10:01
Bunuel wrote:
At a country club, 75% of the members play golf and 60% of the members play tennis. What percent of the members play both golf and tennis?

A. 25%
B. 35%
C. 50%
D. 60%
E. Cannot be determined

Attachment:
vennvvv.png
vennvvv.png [ 31.5 KiB | Viewed 441 times ]

With percentages, often it is good to start with
total number of members = 100

If there are 100 members:
75% play golf: 75 play golf
60% play tennis: 60 play tennis

Can there be two sets,
ONLY golf players and
ONLY tennis players?
75 + 65 = 135. No

135 - 100 members =
AT LEAST 35 must play both (see diagram)

But - all 60 tennis players might also play golf.
AT MOST, 60 can play both - see diagram

(Only 75 play golf. The other sport is tennis.
60 play tennis. The group of 60 could be
inside the group of 75. In that case,
60 of the 75 golf players are also tennis players.),

35 of 100: 35% MUST play both
60 of 100: 60% MIGHT (can) play both


There is no way to decide.
Highest percent possible play both?
Lowest percent possible play both?
Some percent in between?
We need more information.

Answer E
_________________

In the depths of winter, I finally learned
that within me there lay an invincible summer.

-- Albert Camus, "Return to Tipasa"

Target Test Prep Representative
User avatar
G
Status: Founder & CEO
Affiliations: Target Test Prep
Joined: 14 Oct 2015
Posts: 3161
Location: United States (CA)
Re: At a country club, 75% of the members play golf and 60% of the members  [#permalink]

Show Tags

New post 12 Apr 2018, 16:00
Bunuel wrote:
At a country club, 75% of the members play golf and 60% of the members play tennis. What percent of the members play both golf and tennis?

A. 25%
B. 35%
C. 50%
D. 60%
E. Cannot be determined


We can let the total number of members = 100 and create the equation:

Total = Golf + Tennis - both + neither

100 = 75 + 80 - both + neither

Since we don’t know “neither,” we see that there is no way to determine “both.”

Answer: E
_________________

Scott Woodbury-Stewart
Founder and CEO

GMAT Quant Self-Study Course
500+ lessons 3000+ practice problems 800+ HD solutions

Director
Director
avatar
G
Joined: 02 Oct 2017
Posts: 616
Re: At a country club, 75% of the members play golf and 60% of the members  [#permalink]

Show Tags

New post 21 Apr 2018, 05:55
Total-neither= A + B +(A intersection B)

Not all values given so ans is E

Posted from my mobile device
Re: At a country club, 75% of the members play golf and 60% of the members &nbs [#permalink] 21 Apr 2018, 05:55
Display posts from previous: Sort by

At a country club, 75% of the members play golf and 60% of the members

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  

Events & Promotions

PREV
NEXT


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

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®.