Last visit was: 26 Dec 2024, 02:45 It is currently 26 Dec 2024, 02:45
Decision Tracker
My Rewards
New comers' posts
New posts
Unanswered

Close

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

we will pick new questions that match your level based on your Timer History

Track
Your Progress

every week, we’ll send you an estimated GRE score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Go to My Error Log Learn more
Close

Request Expert Reply

Confirm Cancel
PREVIOUS TOPIC
NEXT TOPIC

Set A consists of 30 numbers, the average of which is 60. Se

Tags :
Find Similar Topics  About  Add a Tag

Show Tags
Hide Tags

avatar
Bunuel
Senior Manager
Senior Manager
Joined: 20 May 2014
Posts: 285
Own Kudos [?]: 724 [0]
Given Kudos: 225
Set A consists of 30 numbers, the average of which is 60. Se [#permalink] New post   16 Oct 2017, 08:29
00:00

Question Stats:

75% (01:01) correct 25% (00:48) wrong based on 4 sessions

Hide Show timer Statistics

Set A consists of 30 numbers, the average of which is 60. Set B consists of 29 numbers, the average of which is 70.

Quantity A
Quantity B
The average of Set A and B
65



(A) The quantity in Column A is greater
(B) The quantity in Column B is greater
(C) The two quantities are equal
(D) The relationship cannot be determined from the information given


Kudos for correct solution.
ShowHide Answer
Official Answer
B
avatar
IlCreatore
Director
Director
Joined: 03 Sep 2017
Posts: 518
Own Kudos [?]: 707 [0]
Given Kudos: 0
Send PM
Re: Set A consists of 30 numbers, the average of which is 60. Se [#permalink] New post   16 Oct 2017, 09:21
1
We are asked for a weighted average, thus the mean of set A and B is \(\frac{30*60+29*70}{59} = 64.92\).

Then column B is greater
Prep Club for GRE Bot
gmatclubot
Re: Set A consists of 30 numbers, the average of which is 60. Se [#permalink]
16 Oct 2017, 09:21
Moderators:
adewale223
GRE Instructor
88 posts
bronaugust
GRE Forum Moderator
37 posts
BrushMyQuant
Moderator
1115 posts
VibhuAnurag
GRE Instructor
234 posts

Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne

Main navigation

Partners

GRE Resources

www.ets.org/gre | About | Terms and Conditions and Privacy Policy | Prep Club for GRE Rules | Contact