Last visit was: 18 Nov 2025, 14:09 It is currently 18 Nov 2025, 14:09
Home
GMAT
Messages
Tests
Schools
Events
Rewards
Chat
My Profile
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.
Go to My Error Log Learn more
Close
Request Expert Reply
Confirm Cancel
Back to Forum
Create Topic
User avatar
Bunuel
User avatar
Math Expert
Joined: 02 Sep 2009
Last visit: 18 Nov 2025
Posts: 105,355
Own Kudos:
778,062
 [31]
Given Kudos: 99,964
Products:
GMAT Club Tests Forum Quiz
Expert
Expert reply
Active GMAT Club Expert! Tag them with @ followed by their username for a faster response.
Posts: 105,355
Kudos: 778,062
 [31]
In Patna University, out of every 7 students learning science, 3 take 08 Jan 2021, 08:07
1
Kudos
Add Kudos
30
Bookmarks
Bookmark this Post
00:00
Start Timer
Pause Timer
Resume Timer
Show Answer
Hide
Show
History
D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!

Difficulty:

65% (hard)

Question Stats:

67% (02:46) correct 33% (02:47) wrong based on 262 sessions

History

Date
Time
Result
Not Attempted Yet
In Patna University, out of every 7 students learning science, 3 take literature as well; for every student taking at least one of these two courses, there are 3 students who take up neither. If 10% of the students take only science, the percentages who have taken science is:


A. \(7\frac{1}{2}\)%

B. \(12\)%

C. \(15\)%

D. \(17\frac{1}{2}\)%

E. \(23 \frac{1}{3}\)%


Are You Up For the Challenge: 700 Level Questions
ShowHide Answer
Official Answer
D
Most Helpful Reply
User avatar
imeanup
User avatar
Joined: 15 Jun 2017
Last visit: 17 Sep 2025
Posts: 452
Own Kudos:
607
 [10]
Given Kudos: 8
Location: India
Posts: 452
Kudos: 607
 [10]
In Patna University, out of every 7 students learning science, 3 take Updated on: 13 Mar 2024, 20:30
Originally posted by imeanup on 08 Jan 2021, 08:52.
Last edited by imeanup on 13 Mar 2024, 20:30, edited 1 time in total.
9
Kudos
Add Kudos
1
Bookmarks
Bookmark this Post
No of science students \(=7-3=4\)

\(10 \%\) of the students are science student \(=4\)
\(100 \%\) or total students is \(4 \times 10=40\)

Percentages of students who have taken science \(= \dfrac{7}{40} \times 100 =7 \times 2.5=17.5 \%\)

Ans D­
General Discussion
avatar
RahulHGGmat
avatar
Joined: 06 Jun 2020
Last visit: 14 Jan 2022
Posts: 78
Own Kudos:
15
Given Kudos: 286
Posts: 78
Kudos: 15
In Patna University, out of every 7 students learning science, 3 take 11 Jan 2021, 04:30
Kudos
Add Kudos
Bookmarks
Bookmark this Post
I stuck on this one. However, the solution provided by meanup doesn't seem to be correct to me.
User avatar
imeanup
User avatar
Joined: 15 Jun 2017
Last visit: 17 Sep 2025
Posts: 452
Own Kudos:
607
Given Kudos: 8
Location: India
Posts: 452
Kudos: 607
In Patna University, out of every 7 students learning science, 3 take 11 Jan 2021, 11:07
Kudos
Add Kudos
Bookmarks
Bookmark this Post
RahulHGGmat
I stuck on this one. However, the solution provided by meanup doesn't seem to be correct to me.
Show more

Could you please let me know where you are finding it difficult? I could clarify it for you.
avatar
RahulHGGmat
avatar
Joined: 06 Jun 2020
Last visit: 14 Jan 2022
Posts: 78
Own Kudos:
15
Given Kudos: 286
Posts: 78
Kudos: 15
In Patna University, out of every 7 students learning science, 3 take 11 Jan 2021, 11:20
Kudos
Add Kudos
Bookmarks
Bookmark this Post
Hi meanup.
I apologise for my previous comment. Your solution is absolutely correct. I just misread the question previously.
Once again, I apologise.

Posted from my mobile device
User avatar
imeanup
User avatar
Joined: 15 Jun 2017
Last visit: 17 Sep 2025
Posts: 452
Own Kudos:
607
Given Kudos: 8
Location: India
Posts: 452
Kudos: 607
In Patna University, out of every 7 students learning science, 3 take 11 Jan 2021, 11:59
Kudos
Add Kudos
Bookmarks
Bookmark this Post
RahulHGGmat
Hi meanup.
I apologise for my previous comment. Your solution is absolutely correct. I just misread the question previously.
Once again, I apologise.
Show more

Cool, no need to apologize. ;)
avatar
Gknight5603
avatar
Joined: 26 Oct 2019
Last visit: 03 Apr 2022
Posts: 131
Own Kudos:
55
Given Kudos: 292
Location: India
GMAT 1: 680 Q49 V34
GPA: 4
GMAT 1: 680 Q49 V34
Posts: 131
Kudos: 55
In Patna University, out of every 7 students learning science, 3 take 12 Jan 2021, 18:56
Kudos
Add Kudos
Bookmarks
Bookmark this Post
is there any use of the info:

for every student taking at least one of these two courses, there are 3 students who take up neither

Posted from my mobile device
User avatar
TestPrepUnlimited
User avatar
Joined: 17 Sep 2014
Last visit: 30 Jun 2022
Posts: 1,224
Own Kudos:
1,111
Given Kudos: 6
Location: United States
GMAT 1: 780 Q51 V45
GRE 1: Q170 V167
Expert
Expert reply
GMAT 1: 780 Q51 V45
GRE 1: Q170 V167
Posts: 1,224
Kudos: 1,111
In Patna University, out of every 7 students learning science, 3 take 17 Jan 2021, 10:09
Kudos
Add Kudos
Bookmarks
Bookmark this Post
Bunuel
In Patna University, out of every 7 students learning science, 3 take literature as well; for every student taking at least one of these two courses, there are 3 students who take up neither. If 10% of the students take only science, the percentages who have taken science is:


A. \(7\frac{1}{2}\)%

B. \(12\)%

C. \(15\)%

D. \(17\frac{1}{2}\)%

E. \(23 \frac{1}{3}\)%


Show more

"Out of every 7 students learning science, 3 take literature as well". Given the question criteria, we may rewrite this as "out of every 7 students learning science, 4 learn science ONLY." Thus if 10% are learning science only, we have \(10/\frac{4}{7} = 10*\frac{7}{4} = 17.5\) percent learning science in total.

Ans: D
User avatar
TestPrepUnlimited
User avatar
Joined: 17 Sep 2014
Last visit: 30 Jun 2022
Posts: 1,224
Own Kudos:
1,111
Given Kudos: 6
Location: United States
GMAT 1: 780 Q51 V45
GRE 1: Q170 V167
Expert
Expert reply
GMAT 1: 780 Q51 V45
GRE 1: Q170 V167
Posts: 1,224
Kudos: 1,111
In Patna University, out of every 7 students learning science, 3 take 17 Jan 2021, 10:12
Kudos
Add Kudos
Bookmarks
Bookmark this Post
Gknight5603

Good question! You would like to ignore this info after reading the question because it tells us something about "3 students" which isn't useful when we don't know the total amount of students. Every other quantity and the answers are in percentages/ratios, so there is no use for a single value.
User avatar
Harsh9676
User avatar
Joined: 18 Sep 2018
Last visit: 27 Feb 2023
Posts: 251
Own Kudos:
220
 [1]
Given Kudos: 322
Location: India
Concentration: Finance, International Business
GMAT 1: 690 Q49 V36
GPA: 3.72
WE:Investment Banking (Finance: Investment Banking)
Products:
My Reviews
GMAT 1: 690 Q49 V36
Posts: 251
Kudos: 220
 [1]
In Patna University, out of every 7 students learning science, 3 take 17 Jan 2021, 10:34
Kudos
Add Kudos
1
Bookmarks
Bookmark this Post
IMO D

Given out of every 7 science students - 3 also take Literature.

So the % of literature students in Science = 3/7 * 100

If 10% of the students take only science (Science - Literature) then Science = ?

Let the total % of students in Science is S

>> S - 3/7 (S) = 10%

>> 4s = 70%

>> s = 17.5%
avatar
TarunKumar1234
avatar
Joined: 14 Jul 2020
Last visit: 28 Feb 2024
Posts: 1,107
Own Kudos:
1,348
Given Kudos: 351
Location: India
Posts: 1,107
Kudos: 1,348
In Patna University, out of every 7 students learning science, 3 take 23 Jan 2021, 00:29
Kudos
Add Kudos
Bookmarks
Bookmark this Post
In Patna University, out of every 7 students learning science, 3 take literature as well; for every student taking at least one of these two courses, there are 3 students who take up neither. If 10% of the students take only science, the percentages who have taken science is:

Only science = 7-3 = 4
(Total Science student) * 10% = 4 students only science,
so, Total science students = 40 students

%students taken science = 7/40 *100 = 17.5%

So, I think D. :)
User avatar
bumpbot
User avatar
Non-Human User
Joined: 09 Sep 2013
Last visit: 04 Jan 2021
Posts: 38,586
Own Kudos:
1,079
Posts: 38,586
Kudos: 1,079
In Patna University, out of every 7 students learning science, 3 take 22 Nov 2024, 13:43
Kudos
Add Kudos
Bookmarks
Bookmark this Post
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
Moderators:
Bunuel
Math Expert
105355 posts
Krunaal
Tuck School Moderator
805 posts