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.
A telephone area code is a three-digit number. If no code can begin wi
[#permalink]
31 Mar 2022, 02:00
31 Mar 2022, 02:00
1
Expert Reply
1
Bookmarks
00:00
Question Stats:
100% (00:46) correct
0% (00:00) wrong based on 12 sessions
Hide Show timer Statistics
A telephone area code is a three-digit number. If no code can begin with 0 or 1, and 911 and 411 are excluded, how many different area codes are possible?
(A) 26
(B) 98
(C) 510
(D) 798
(E) 998
(A) 26
(B) 98
(C) 510
(D) 798
(E) 998
Part of the project: Skill Builder Project for a Q170
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
Re: A telephone area code is a three-digit number. If no code can begin wi
[#permalink]
01 Apr 2022, 20:58
01 Apr 2022, 20:58
1
Three-digit number.
_ _ _
The first one can't be \(0\) or \(1\). So there will be \(8\) possibilities.
For the next two numbers, there are \(10\) possibilities.
Total combinations \(= 8 * 10 * 10 = 800\)
We are given that \(911\) and \(411\) are excluded.
So total will be \(800 - 2 = 798\)
Answer D
_ _ _
The first one can't be \(0\) or \(1\). So there will be \(8\) possibilities.
For the next two numbers, there are \(10\) possibilities.
Total combinations \(= 8 * 10 * 10 = 800\)
We are given that \(911\) and \(411\) are excluded.
So total will be \(800 - 2 = 798\)
Answer D
Re: A telephone area code is a three-digit number. If no code can begin wi
[#permalink]
28 Jul 2023, 02:33
28 Jul 2023, 02:33
Hello from the GRE Prep Club BumpBot!
Thanks to another GRE Prep 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.
Thanks to another GRE Prep 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.
