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.
X= sum of the first 31 positive odd integers
[#permalink]
30 Nov 2022, 08:35
30 Nov 2022, 08:35
Expert Reply
2
Bookmarks
00:00
Question Stats:
78% (01:39) correct
21% (01:26) wrong based on 23 sessions
Hide Show timer Statistics
X= sum of the first 31 positive odd integers
Y= sum of the first 30 positive even integers
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
Y= sum of the first 30 positive even integers
Quantity A |
Quantity B |
X-Y |
30 |
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
Part of the project: GRE QCQ & PS 3 Questions Every One DAILY Challenge - (2022) - Gain 20 Kudos & Get FREE Access to GRE Prep Club TESTS
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Free Materials for the GRE General Exam - Where to get it!!
GRE Geometry Formulas
GRE - Math Book
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Free Materials for the GRE General Exam - Where to get it!!
GRE Geometry Formulas
GRE - Math Book
Re: X= sum of the first 31 positive odd integers
[#permalink]
02 Dec 2022, 11:36
02 Dec 2022, 11:36
1
Expert Reply
usually this kind of problem has a pattern to them
If you jot down X you will have 1+3+5+7+9.......61
Y is 2+4+6+8+10.........60
So the difference will be
(61-60)+(59-58)...........and so forth
we will end up to have 1+1+1+1.............for 31 times =31
a is the answer for just 1 of difference
If you jot down X you will have 1+3+5+7+9.......61
Y is 2+4+6+8+10.........60
So the difference will be
(61-60)+(59-58)...........and so forth
we will end up to have 1+1+1+1.............for 31 times =31
a is the answer for just 1 of difference
Re: X= sum of the first 31 positive odd integers
[#permalink]
24 May 2025, 09:04
24 May 2025, 09:04
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.
