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

It is currently 21 Jan 2019, 16:13

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
Events & Promotions in January
PrevNext
SuMoTuWeThFrSa
303112345
6789101112
13141516171819
20212223242526
272829303112
Open Detailed Calendar
  • GMAT Club Tests are Free & Open for Martin Luther King Jr.'s Birthday!

     January 21, 2019

     January 21, 2019

     10:00 PM PST

     11:00 PM PST

    Mark your calendars - All GMAT Club Tests are free and open January 21st for celebrate Martin Luther King Jr.'s Birthday.
  • The winners of the GMAT game show

     January 22, 2019

     January 22, 2019

     10:00 PM PST

     11:00 PM PST

    In case you didn’t notice, we recently held the 1st ever GMAT game show and it was awesome! See who won a full GMAT course, and register to the next one.

In a conference, if each of the 1230 participants ordered for either

  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: 52344
In a conference, if each of the 1230 participants ordered for either  [#permalink]

Show Tags

New post 25 Oct 2018, 01:09
00:00
A
B
C
D
E

Difficulty:

  55% (hard)

Question Stats:

55% (01:14) correct 45% (01:32) wrong based on 62 sessions

HideShow timer Statistics

In a conference, if each of the 1230 participants ordered for either Tea or Coffee (but not both), what percent of the female participants ordered for Coffee?

(1) 70 percent of the female participants ordered for Tea.
(2) 80 percent of the male participants ordered for Coffee.

_________________

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

examPAL Representative
User avatar
G
Joined: 07 Dec 2017
Posts: 868
Re: In a conference, if each of the 1230 participants ordered for either  [#permalink]

Show Tags

New post 25 Oct 2018, 03:10
1
The answer is A.

This is a straightforward Logical question:
We are told everybody ordered either coffee or tea, but not both. meaning - every female who didn't order tea, ordered coffee. Thus, 1) is sufficient - if 70% of females ordered tea, 30% ordered coffee. sufficient!
2) is totally irrelevant - the makeup of what males drunk tells us nothing about the females.
_________________

Image
Sign up for 7-day free trial
Image

Intern
Intern
avatar
B
Joined: 19 Apr 2017
Posts: 34
Location: India
WE: Management Consulting (Consulting)
Re: In a conference, if each of the 1230 participants ordered for either  [#permalink]

Show Tags

New post 25 Oct 2018, 06:04
1
If 70% of the females had tea, the remaining 30% of them must have had coffee as people picked either of the two beverages - statement I is sufficient A.
Since we don't know the exact number of people of the 1230 people who ordered coffee, B is of no use and can't help us calculate the number/percentage of females who had coffee.

Will wait for the OA.
Intern
Intern
User avatar
S
Joined: 17 Apr 2018
Posts: 21
Location: Italy
Concentration: General Management, Entrepreneurship
GPA: 3.75
GMAT ToolKit User Premium Member
In a conference, if each of the 1230 participants ordered for either  [#permalink]

Show Tags

New post 26 Oct 2018, 00:19
1
Bunuel wrote:
In a conference, if each of the 1230 participants ordered for either Tea or Coffee (but not both), what percent of the female participants ordered for Coffee?

(1) 70 percent of the female participants ordered for Tea.
(2) 80 percent of the male participants ordered for Coffee.

Time needed: 1m 30s

We need to know the % of W participants who ordered coffee. We know that:
a)every participant ordered for one of those drinks, but not both.

Process of elimination:
1)From that and statement a, we know the percentage of W who ordered coffee. Sufficient. Eliminate C and E.
2)we don't know how many W ordered coffee. Insufficient. Eliminate B, D.

Correct answer: A
_________________

Give kudos if you found this post helpful :D

My GMAT history:
1st GMATPrep: 620 (Q46, V29)
2nd GMATPrep: 700(Q46, V40)
3rd GMATPrep: 720(Q49, V38)

GMAT Club Bot
In a conference, if each of the 1230 participants ordered for either &nbs [#permalink] 26 Oct 2018, 00:19
Display posts from previous: Sort by

In a conference, if each of the 1230 participants ordered for either

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


Copyright

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®.