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.
Apr 2512:30 AM EDT
-01:30 AM EDT
At one point, she believed GMAT wasn’t for her. After scoring 595, self-doubt crept in and she questioned her potential. But instead of quitting, she made the right strategic changes. The result? A remarkable comeback to 695. Check out how Saakshi did it.
Apr 2601:30 AM EDT
-02:30 AM 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.
Apr 2610:00 AM EDT
-11:00 AM EDT
The Target Test Prep course represents a quantum leap forward in GMAT preparation, a radical reinterpretation of the way that students should study. Try before you buy with a 5-day, full-access trial of the course for FREE!
Apr 2711:00 AM EDT
-12:00 PM EDT
Prefer video-based learning? The Target Test Prep OnDemand course is a one-of-a-kind video masterclass featuring 400 hours of lecture-style teaching by Scott Woodbury-Stewart, founder of Target Test Prep and one of the most accomplished GMAT instructors
Apr 2808:00 AM PDT
-11:00 AM PDT
Whether you are just beginning your MBA journey or fine-tuning your path to a 700+ score, GMAT Day is designed to give you a competitive edge.
May 0111:00 AM PDT
-12:00 PM PDT
Free- full-length test + 15 concept videos + 150+ short videos + study plan!
29 Mar 2019, 11:30
Kudos
Bookmarks
C
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% (03:09) correct
25%
(03:30)
wrong
based on 256
sessions
History
Date
Time
Result
Not Attempted Yet
Joe has a collection of 23 coins, consisting of 5-cent coins, 10-cent coins, and 25-cent coins. He has 3 more 10-cent coins than 5-cent coins, and the total value of his collection is 320 cents. How many more 25-cent coins does Joe have than 5-cent coins?
(A) 0
(B) 1
(C) 2
(D) 3
(E) 4
(A) 0
(B) 1
(C) 2
(D) 3
(E) 4
30 Mar 2019, 04:21
Kudos
Bookmarks
Noshad
Simply note that options say that number of 25 cent coins will be 0/1/2/3/4 more than 5 cent coins. We already know that number of 10 cent coins is 3 more than number of 5 cent coins.
There are total 23 coins. If you remove the extra number of 25 cent and 10 cent coins, the resultant should be divisible by 3.
23 - 3 = 20. We need to remove another 2 to get 20 - 2 = 18, a number divisible by 3.
Removing 0/1/3/4 will not make a multiple of 3.
So number of 25 cent coins MUST be 2 more than number of 5 cent coins.
So only possible option is (C)
General Discussion
30 Mar 2019, 00:16
Kudos
Bookmarks
Noshad
We can form three equations to solve ..
Let the number of 5-cent coins, 10-cent coins, and 25-cent coins be x, y and z.
I) Joe has a collection of 23 coins - x+y+z=23
II) He has 3 more 10-cent coins than 5-cent coins - y=x+3
III) the total value of his collection is 320 cents - 5x+10y+25z=320 or x+2y=5z=64...
substitute y =x+3..
I) x+x+3+z=23....2x+z=20.....z=20-2x
substitute the values in (III)
x+2(x+3)+5(20-2x)=64.......x+2x+6+100-10x=64......7x=106-64.....7x=42....x=6
therefore z=20-2*6=8..
Thus z-x=8-6=2
C
