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.
In a graduating class of 236 students, 142 took algebra and 121 took
[#permalink]
23 Jul 2021, 10:15
23 Jul 2021, 10:15
Expert Reply
00:00
Question Stats:
25% (00:19) correct
75% (01:04) wrong based on 16 sessions
Hide Show timer Statistics
In a graduating class of 236 students, 142 took algebra and 121 took chemistry. What is the greatest number of students that could have taken both algebra and chemistry?
(A) 21
(B) 27
(C) 37
(D) 121
(E) 142
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
(A) 21
(B) 27
(C) 37
(D) 121
(E) 142
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
Retired Moderator
Joined: 16 Apr 2020
Status:Founder & Quant Trainer
Affiliations: Prepster Education
Posts: 1546
Given Kudos: 172
Location: India
WE:Education (Education)
Re: In a graduating class of 236 students, 142 took algebra and 121 took
[#permalink]
23 Jul 2021, 10:56
23 Jul 2021, 10:56
1
1
Bookmarks
Carcass wrote:
In a graduating class of 236 students, 142 took algebra and 121 took chemistry. What is the greatest number of students that could have taken both algebra and chemistry?
(A) 21
(B) 27
(C) 37
(D) 121
(E) 142
(A) 21
(B) 27
(C) 37
(D) 121
(E) 142
In order to maximize the intersection of two sets, we can put the smaller set into the bigger one (as shown in the figure)
Here, all Chemistry students can take both Algebra and Chemistry.
Hence, option D
Attachments
In a graduating class of 236 students.png [ 16.31 KiB | Viewed 1524 times ]
gmatclubot
Re: In a graduating class of 236 students, 142 took algebra and 121 took [#permalink]
23 Jul 2021, 10:56
Moderators:
