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.
Mar 2709:30 AM PDT
-10:30 AM PDT
Preparing for the GMAT? Avoid these 5 major mistakes that can lower your score and hurt your MBA dreams. In this expert panel discussion, 4 top GMAT coaches - GMAT Ninja, Jeff Miller from TTP, Rida Shafiq from eGMAT, and Chris Gentry from Manhattan Prep- Mar 27
10:00 AM PDT
-11:00 AM PDT
What happens after getting an MBA? Is it worth the investment? To find out, I interviewed 10 GMAT Club professionals who have completed their MBAs and built careers in consulting, finance, tech, and entrepreneurship. Their answers might surprise you! 
Mar 2911:30 AM EDT
-12:30 PM EDT
Learn how Keshav, a Chartered Accountant, scored an impressive 705 on GMAT in just 30 days with GMATWhiz's expert guidance. In this video, he shares preparation tips and strategies that worked for him, including the mock, time management, and more.
Mar 3005:30 AM PDT
-07:30 AM PDT
We know Strengthen and Weaken questions account for more than 50% of the CR questions on the GMAT. With CR becoming even more important on GMAT Focus, it's time you strengthen your weaknesses with an approach that improves your solving time and accuracy!
Mar 3011:00 AM IST
-01:00 PM IST
Attend this session to evaluate your current skill level, learn process skills, and solve through tough Arithmetic questions.
Mar 3110:00 AM EDT
-11:59 PM EDT
The Target Test Prep team has recently introduced TTP OnDemand GMAT, a 400-hour live masterclass video course created by Scott Woodbury-Stewart, founder and CEO of Target Test Prep.
Apr 0308:00 PM PDT
-09:00 PM PDT
Full-length FE mock with insightful analytics, weakness diagnosis, and video explanations!
16 Sep 2014, 00:39
Kudos
Bookmarks
B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
76% (01:42) correct
24%
(02:09)
wrong
based on 111
sessions
History
Date
Time
Result
Not Attempted Yet
Each shelf of a bookcase contained 12 books. If the librarian took out 21 books and rearranged the remaining books so that all shelves but the last one contained 8 books and that last shelf contained 11 books, how many shelves does the bookcase have?
A. 5
B. 6
C. 7
D. 8
E. 9
A. 5
B. 6
C. 7
D. 8
E. 9
16 Sep 2014, 00:39
Kudos
Bookmarks
Official Solution:
Each shelf of a bookcase contained 12 books. If the librarian took out 21 books and rearranged the remaining books so that all shelves but the last one contained 8 books and that last shelf contained 11 books, how many shelves does the bookcase have?
A. 5
B. 6
C. 7
D. 8
E. 9
Assuming there are \(x\) shelves in total, the initial count of books is \(12x\). After removing 21 books, this count becomes \(12x - 21\).
We are told that, after the rearrangement of that number of books, all shelves, except the last one, have 8 books each, and the last shelf contains 11 books. This implies that there are \((x - 1)\) shelves, each holding 8 books, while the final shelf accommodating 11 books. Therefore, the total number of books is \(8(x - 1) + 11\).
Equating these two expressions, we arrive at the equation \(12x - 21 = 8(x - 1) + 11\). Solving for \(x\) yields \(x = 6\).
Hence, there are a total of 6 shelves in the bookcase.
Answer: B
Each shelf of a bookcase contained 12 books. If the librarian took out 21 books and rearranged the remaining books so that all shelves but the last one contained 8 books and that last shelf contained 11 books, how many shelves does the bookcase have?
A. 5
B. 6
C. 7
D. 8
E. 9
Assuming there are \(x\) shelves in total, the initial count of books is \(12x\). After removing 21 books, this count becomes \(12x - 21\).
We are told that, after the rearrangement of that number of books, all shelves, except the last one, have 8 books each, and the last shelf contains 11 books. This implies that there are \((x - 1)\) shelves, each holding 8 books, while the final shelf accommodating 11 books. Therefore, the total number of books is \(8(x - 1) + 11\).
Equating these two expressions, we arrive at the equation \(12x - 21 = 8(x - 1) + 11\). Solving for \(x\) yields \(x = 6\).
Hence, there are a total of 6 shelves in the bookcase.
Answer: B
16 Oct 2023, 10:46
Kudos
Bookmarks
I have edited the question and the solution by adding more details to enhance its clarity. I hope it is now easier to understand.
