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.
The figure above shows an example of a 4-digit customer identification
[#permalink]
03 Dec 2021, 06:31
03 Dec 2021, 06:31
Expert Reply
3
Bookmarks
00:00
Question Stats:
68% (01:31) correct
31% (02:04) wrong based on 29 sessions
Hide Show timer Statistics
The figure above shows an example of a 4-digit customer identification code. If the digits in the code must appear in descending numerical order and no digit can be used more than once, what is the difference between largest and smallest possible codes?
A. 6666
B. 5555
C. 5432
D. 4444
E. 1111
Retired Moderator
Joined: 10 Apr 2015
Posts: 6218
Given Kudos: 136
Re: The figure above shows an example of a 4-digit customer identification
[#permalink]
03 Dec 2021, 06:43
03 Dec 2021, 06:43
Carcass wrote:
The figure above shows an example of a 4-digit customer identification code. If the digits in the code must appear in descending numerical order and no digit can be used more than once, what is the difference between largest and smallest possible codes?
A. 6666
B. 5555
C. 5432
D. 4444
E. 1111
9876 is the biggest code that meets the given conditions
3210 is the smallest code that meets the given conditions
Difference = 9876 - 3210 = 6666
Answer: A
General Discussion
Re: The figure above shows an example of a 4-digit customer identification
[#permalink]
23 Jun 2023, 23:59
23 Jun 2023, 23:59
the solution is provided I don't agree with it.
It should be, 9876-1023=8851.
The answer is not in the list, kindly check and explain.
It should be, 9876-1023=8851.
The answer is not in the list, kindly check and explain.
