Events & Promotions
|
|
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
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
Jun 1111:00 AM EDT
-01:00 PM EDT
TTP GMAT OnDemand gives serious students 400+ hours of expert video instruction, the full TTP course, AI support, weekly office hours, and a 715+ score guarantee—all built for elite GMAT score improvement.
Jun 1006:00 AM PDT
-06:15 PM PDT
Register for the GMAT Club Virtual MBA Spotlight Fair – the world’s premier event for serious MBA candidates. This is your chance to hear directly from Admissions Directors at nearly every Top 30 MBA program..- Jun 10
10:00 AM PDT
-11:00 AM PDT
Scoring 715 on the GMAT Focus Edition requires more than just learning formulas, memorizing concepts, or solving hundreds of questions. In this episode, Nishant shares how he improved his GMAT preparation by focusing on application of concepts, and more. 
Jun 2207:30 PM EDT
-09:30 PM EDT
Master the GMAT with expert live instruction, a personalized study plan, and real-time support. Includes 40 hours of online classes plus 6 months of access to the TTP GMAT OnDemand video course. Class date: Mon/Wed June 22, 2026 →August 26, 2026
19 Jan 2024, 07:00
Kudos
Bookmarks
D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
75% (02:39) correct
25%
(03:06)
wrong
based on 239
sessions
History
Date
Time
Result
Not Attempted Yet
Morgan Stanley is hosting an investment conference in sunny Phoenix, and the investors attending the conference are offered the choice to either play tennis or golf. 90% of the attendees who know how to play tennis also know how to play golf, whereas 18% of the attendees do not know how to play either sport and will stay in their hotel rooms to do their homework in preparation for their breakout meetings. If 30% of the conference attendees do not know how to play tennis, then how many attendees know how to play golf?
A. 38%
B. 46.5%
C. 66%
D. 75%
E. 84.5%
A. 38%
B. 46.5%
C. 66%
D. 75%
E. 84.5%
19 Jan 2024, 07:20
Kudos
Bookmarks
Given: Morgan Stanley is hosting an investment conference in sunny Phoenix, and the investors attending the conference are offered the choice to either play tennis or golf. 90% of the attendees who know how to play tennis also know how to play golf, whereas 18% of the attendees do not know how to play either sport and will stay in their hotel rooms to do their homework in preparation for their breakout meetings.
Asked: If 30% of the conference attendees do not know how to play tennis, then how many attendees know how to play golf?
Morgan Stanley is hosting an investment conference in sunny Phoenix, and the investors attending the conference are offered the choice to either play tennis or golf. 90% of the attendees who know how to play tennis also know how to play golf.
18% of the attendees do not know how to play either sport and will stay in their hotel rooms to do their homework in preparation for their breakout meetings.
30% of the conference attendees do not know how to play tennis
75% of the attendees know how to play golf.
IMO D
Asked: If 30% of the conference attendees do not know how to play tennis, then how many attendees know how to play golf?
Morgan Stanley is hosting an investment conference in sunny Phoenix, and the investors attending the conference are offered the choice to either play tennis or golf. 90% of the attendees who know how to play tennis also know how to play golf.
| Know Tennis | ~Know Tennis | Total | |
| Know Golf | 0.9x% | ||
| ~Know Golf | 0.1x% | ||
| Total | x% | 100% |
18% of the attendees do not know how to play either sport and will stay in their hotel rooms to do their homework in preparation for their breakout meetings.
| Know Tennis | ~Know Tennis | Total | |
| Know Golf | 0.9x% | ||
| ~Know Golf | 0.1x% | 18% | |
| Total | x% | 100% |
30% of the conference attendees do not know how to play tennis
| Know Tennis | ~Know Tennis | Total | |
| Know Golf | .9x%=63% | 100%-25%=75% | |
| ~Know Golf | .1x%=7% | 18% | 7%+18%=25% |
| Total | x%=70% | 30% | 100% |
75% of the attendees know how to play golf.
IMO D
General Discussion
22 Jan 2024, 00:01
Kudos
Bookmarks
There are 4 groups:
A - only tennis
B - only golf
C - both tennis and golf
D - neither
1) "30% of the conference attendees do not know how to play tennis"- meaning - 70% DO know how to play tennis.
2) "90% of the attendees who know how to play tennis also know how to play golf" - meaning - 90% of 70% are in group C = 63%
3) Only tennis group A= 70%-63%=7%
4) "18% of the attendees do not know how to play either sport" - meaning - group D=18%
5) Group B = TOTAL - Tennis - neither = 100-70-18 = 12
6) B+C play golf - meaning - 12+63 = 75
Answer choice D
A - only tennis
B - only golf
C - both tennis and golf
D - neither
1) "30% of the conference attendees do not know how to play tennis"- meaning - 70% DO know how to play tennis.
2) "90% of the attendees who know how to play tennis also know how to play golf" - meaning - 90% of 70% are in group C = 63%
3) Only tennis group A= 70%-63%=7%
4) "18% of the attendees do not know how to play either sport" - meaning - group D=18%
5) Group B = TOTAL - Tennis - neither = 100-70-18 = 12
6) B+C play golf - meaning - 12+63 = 75
Answer choice D
