GRE Prep 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.
GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2506
Given Kudos: 1053
GPA: 3.39
A certain club has 20 members. What is the ratio of the number of 5-me
[#permalink]
31 Jan 2023, 00:33
31 Jan 2023, 00:33
Expert Reply
1
Bookmarks
00:00
Question Stats:
85% (02:26) correct
14% (01:19) wrong based on 7 sessions
Hide Show timer Statistics
A certain club has 20 members. What is the ratio of the number of 5-member committees that can be formed from the members of the club to the number of 4-member committees that can be formed from the members of the club?
A. 16 to 1
B. 15 to 1
C. 16 to 5
D. 15 to 6
E. 5 to 4
A. 16 to 1
B. 15 to 1
C. 16 to 5
D. 15 to 6
E. 5 to 4
GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2506
Given Kudos: 1053
GPA: 3.39
Re: A certain club has 20 members. What is the ratio of the number of 5-me
[#permalink]
01 Feb 2023, 21:47
01 Feb 2023, 21:47
1
Expert Reply
\(\frac{C^5_{20}}{C^4_{20}}=\frac{20!}{15!*5!}*\frac{16!*4!}{20!}=\frac{16}{5}\)
Answer: C
Answer: C
gmatclubot
Re: A certain club has 20 members. What is the ratio of the number of 5-me [#permalink]
01 Feb 2023, 21:47
Moderators:
