GMAT Question of the Day:
Daily via email

Daily via Instagram
New to GMAT Club?
Watch this Video
close
Sign In
Join now
FORUM
GMAT
MBA
DEALS
REVIEWS
MARKETPLACE
CHAT
1
Main Forum
Start a New Discussion
Active Discussions
General GMAT Questions
GMAT Quantitative
DS
PS
GMAT Verbal
CR
RC
SC
Verbal Guides & Resources
Ask GMAT Experts
Share GMAT Experience
All Business School Discussions
BSchool Application Questions
Admitted  Which School to Choose?
Ask Admissions Consultants
Financing Questions
Business School Life
PhD in Business
GRE Forums
TOEFL Forum
Tech Support Forum
Top Kudos Posts
Downloads
Advanced Search
iOS App  Android App
About GMAT Club
Blog
SELF PREP
GMAT Club Tests
GMAT Club Tests  Free with Purchase of a Course
Best GMAT Books
Math GMAT Books
Verbal GMAT Books
Practice Question Banks
Best GMAT Practice Tests
GMAT Timer & Error Log
OG Directory
 NEW!
STUDY RESOURCES
GMAT Study Plans
Daily Study Plan
Video FAQ's in 2 mins or less
Best GMAT Courses
GMAT Course Reviews
GMAT Course Deals
List of all GMAT Free Trials
How to get 6.0 on AWA
GMAT Flashcards
GMAT Prep Scoring Analysis
GMAT Scoring Grid
GMAT Timing Strategies
Retaking GMAT
GMAT Success Stories
GMAT Tools
GMAT Question of the Day
Premium MBA Bundle
Free Veritas CATs
Resources
Decision Tracker + Historic Filter
What Are My Chances
 Profile Eval
MBA Rankings 2020
Interview Debriefs
All School Stats in One Place
MBA Deadlines List
Deadlines (by School)
Deadlines (Chronological)
MBA Guide [PDF]
Best MBA SelfPrep Guides
Placement and Salary Trends
All School Discussions
MBA Success Stories
Value of a Top10 MBA
Why MBA?
Best Resume Templates & Tips
All Scholarships & Fellowships
Real Cost of MBA  Student Budgets
Submit a Free Profile Evaluation Request
Schools
Tepper (Carnegie Mellon)
Harvard
Kellogg (Northwestern)
Wharton (Upenn)
Booth (Chicago)
Sloan (MIT)
Stanford
ISB
INSEAD
CBS (Columbia)
Haas (Berkeley)
Fuqua (Duke)
Ross (Michigan)
Anderson (UCLA)
Tuck (Dartmouth)
Stern (NYU)
Yale
McCombs (Austin)
LBS
Johnson (Cornell)
See All
GMAT
Marketplace  Compare all GMAT Deals
eGMAT 
Save up to $430
The Economist GMAT Tutor 
Save up to $399
Magoosh 
Save up to $369
Veritas Prep 
Save up to $350
CrackVerbal 
Save up to $390
Experts' Global 
Save up to $334
EMPOWERgmat 
Save up to $314
Kaplan 
Save up to $360
Manhattan Prep 
Save up to $360
Math Revolution 
Save up to $450
Target Test Prep 
Save up to $900
ADMISSION CONSULTING
Veritas Prep
Amerasia
Admissionado
ApplicantLab
Avanti Prep
mbaMission
Square One Prep
MBA Admissions Prep
Accepted.com
Stacy Blackman Consulting
Compare All
ARINGO
ARLee Consulting
August Academy
EXPARTUS
Experts' Global
Fortuna Admissions
Gurufi
Ivy Groupe
Lionheart Admissions
MBA Admit
MBA Prep School
MiMEssay
Menlo Coaching
myEssayReview
Personal MBA Coach
Prep MBA
Sia Admissions
Vantage Point MBA
Compare All
STUDENT LOANS
Prodigy Finance
MPOWER Financing
Sallie Mae
Laurel Road
GMAT COURSE REVIEWS
See All
The Economist GMAT Tutor Reviews
eGMAT Reviews
Magoosh Reviews
Veritas Prep Reviews
Experts' Global Reviews
CrackVerbal Reviews
EMPOWERgmat Reviews
Kaplan Reviews
Manhattan Prep Reviews
Math Revolution Reviews
Target Test Prep Reviews
Admissions Consulting Reviews
See All
Admissionado Reviews
Amerasia Reviews
ApplicantLab Reviews
Avanti Prep Reviews
mbaMission Reviews
Square One Prep Reviews
Veritas Prep Reviews
Accepted.com Reviews
Stacy Blackman Consulting Reviews
Student Loan Reviews
MPOWER Financing Reviews
Prodigy Finance Reviews
See All
ARINGO Reviews
ARLee Consulting Reviews
August Academy Reviews
EXPARTUS Reviews
Experts' Global Reviews
Fortuna Admissions Reviews
Gurufi Reviews
Ivy Groupe Reviews
Lionheart Admissions Reviews
MBA Admit Reviews
MBA Prep School Reviews
Menlo Coaching Reviews
MiMEssay Reviews
myEssayReview Reviews
Personal MBA Coach Reviews
Prep MBA Reviews
Sia Admissions Reviews
Vantage Point MBA Reviews
Business School Reviews
See All
HBS Reviews
Wharton Reviews
Stanford GSB Reviews
Kellogg Reviews
Booth Reviews
Sloan Reviews
ISB Reviews
INSEAD Reviews
Columbia Reviews
Yale Reviews
LBS Reviews
Fuqua Reviews
Ross Reviews
Anderson Reviews
Featured Deals
$250 Bonus  Free GMAT Club Tests with a Course Purchase
Courses
Admissions Consulting
Free Stuff
Practice Tests
Tutoring
Books
Mobile Apps
Student Loans
GMAT Courses starting at $50
Which Course is right for you?
Admissions Consulting Packages from $750
How to Choose an Admissions Consultant?
MAIN CHATROOM
29
Search GMAT Club by...
0
0
1
My Profile
Logout
Test's Subscription Expires:
Settings
Email & Password
Avatar
Signature
Notification Settings
Global Settings
Applicant profile
Update status
My GMAT info
My Schools
My workspace
My Bookmarks
My Notes
Subscription Feed
My Follow Feed
Kudos
My Error Log
Messages and Replies
Settings
Mark All Read
See All
Applicant Notifications
Settings
Mark All Read
See All
Global notifications
Settings
Mark All Read
See All
You are here:
Forum Home
GMAT
Quantitative
Problem Solving (PS)
It is currently 17 Jan 2020, 20:29
Register
GMAT Club Tests
Decision Tracker
My Rewards
New comers' posts
New posts
Unanswered
Problem Solving (PS)
NEW TOPIC
Question banks
Downloads
My Bookmarks
Important topics
Reviews
Mark topics read
1
...
526
527
528
529
530
...
537
New!
Filter
Kudos
Experts
reply
Topics
Author
Replies
Views
Last post
Forum Experts
EMPOWERgmat PS Forum Expert  Ask Me Anything about PS and Math
Tags:
Source: EMPOWERgmat
Go to page:
1
,
2
EMPOWERgmatRichC
26
5264
by:
EMPOWERgmatRichC
,
26 Oct 2019, 19:33
Veritas Prep PS Forum Expert  Karishma  Ask Me Anything about Math
Tags:
Source: Veritas Prep
Go to page:
1
...
8
,
9
,
10
VeritasKarishma
199
9969
by:
VeritasKarishma
,
30 Dec 2019, 21:38
Announcements
532
ER
100 Hardest and easiest questions for PS as of December 2019
Tags:
Difficulty: 700Level
Bunuel
13
106340
by:
miralishabbir
,
20 Dec 2019, 16:34
1955
ER
GMAT PS Question Directory by Topic & Difficulty
Tags:
Difficulty: 600700 Level
,
Difficulty: 700Level
,
Difficulty: Sub600 Level
,
Combinations
,
Mixture Problems
,
Work/Rate Problems
,
Source: GMAT Club Tests
,
Source: GMAT Prep
,
Source: Official Guide
bb
0
764576
by:
bb
,
22 Feb 2012, 11:27
GMAT Club Member
Recommended Prep Products:
Best GMAT Books
Our handpicked recommendations
Best GMAT Courses
Reviews Verified with Score Reports
Tutor Directory
Tutor Reviews & Prices in one place
Topics
3
ER
The figure shows rectangle ABCD which consists of 7 congruent small re
Tags:
Difficulty: 700Level
,
Geometry
,
Source: Math Revolution
MathRevolution
3
293
by:
TheNightKing
,
09 Jan 2020, 05:57
8
If (20!*20!)/20^n is an integer
Tags:
Difficulty: 600700 Level
,
Exponents/Powers
,
Number Properties
,
Source: TargetTestPrep
anshkool4u
3
467
by:
bumpbot
,
09 Jan 2020, 06:02
17
How many real solutions exist for the equation x2 – 11x  60 = 0? 3
Tags:
Difficulty: 700Level
,
Absolute Values/Modulus
,
Algebra
,
Source: Other  Please specify
cfc198
2
766
by:
bumpbot
,
09 Jan 2020, 06:03
ER
If a+b=7, b+c=14, and a+c=3, what is the average of a, b, and c?
Tags:
Difficulty: 600700 Level
,
Algebra
,
Statistics and Sets Problems
,
Source: Other  Please specify
Bunuel
4
451
by:
TheNightKing
,
09 Jan 2020, 06:05
2
ER
Cities A and B are in different time zones. A is located 3000 km east
Tags:
Difficulty: 700Level
,
Distance/Rate Problems
,
Geometry
,
Word Problems
,
Source: Other  Please specify
Bunuel
4
226
by:
chanyb
,
09 Jan 2020, 06:59
ER
a and b are nonzero integers such that 0.35a = 0.2b. What is the value
Tags:
Difficulty: Sub600 Level
,
Fractions/Ratios/Decimals
,
Source: Princeton Review
SajjadAhmad
4
1194
by:
GMATPrepNow
,
09 Jan 2020, 07:13
4
ER
A and B are two salt solutions with different concentrations. Mixing
Tags:
Difficulty: 600700 Level
,
Mixture Problems
,
Source: Math Revolution
MathRevolution
5
427
by:
Kinshook
,
09 Jan 2020, 08:55
10
ER
The difference between the value of a number increased by 25
Tags:
Difficulty: Sub600 Level
,
Percents and Interest Problems
anilnandyala
5
7470
by:
bumpbot
,
09 Jan 2020, 09:17
137
ER
A positive integer is divisible by 9 if and only if the sum of its
Tags:
Difficulty: 600700 Level
,
Divisibility/Multiples/Factors
,
Source: Official Guide
,
Source: Quant Review 2016
,
Source: Quant Review 2017
,
Source: Quant Review 2018
,
Source: Quant Review 2019
,
Source: Quant Review 2020
Go to page:
1
,
2
bigdady
22
16794
by:
bumpbot
,
09 Jan 2020, 10:55
79
ER
Each of 27 white 1centimeter cubes will have exactly one face painted
Tags:
Difficulty: 700Level
,
Geometry
,
Source: Official Guide
,
Source: Quant Review 2020
Bunuel
11
3138
by:
UNSTOPPABLE12
,
09 Jan 2020, 13:55
18
ER
If n is an integer greater than 50, then the expression (n^2
Tags:
Difficulty: 700Level
,
Divisibility/Multiples/Factors
,
Number Properties
,
Source: Magoosh
mikemcgarry
9
4899
by:
gvij2017
,
09 Jan 2020, 18:16
86
ER
The operation ⊗ is defined for all nonzero numbers a and b
Tags:
Difficulty: 600700 Level
,
Functions and Custom Characters
,
Must or Could be True Questions
,
Source: GMAT Prep
ajit257
12
20859
by:
bumpbot
,
09 Jan 2020, 18:47
29
ER
A train traveling at a constant speed down a straight track
Tags:
Difficulty: Sub600 Level
,
Distance/Rate Problems
barakhaiev
5
10154
by:
bumpbot
,
09 Jan 2020, 19:10
21
ER
If a computer program generates threedigit odd numbers using the numb
Tags:
Difficulty: 700Level
,
Probability
,
Source: Other  Please specify
Bunuel
8
1691
by:
VeritasKarishma
,
09 Jan 2020, 20:05
1
ER
A motorboat went down the river for 14 km and then up the river for 9
Tags:
Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
4
172
by:
uchihaitachi
,
09 Jan 2020, 20:09
1
ER
A clothes dryer has a sale price of $203.15 after a 15% reduction. Wha
Tags:
Difficulty: 600700 Level
,
Percents and Interest Problems
,
Source: Other  Please specify
Bunuel
4
810
by:
bumpbot
,
09 Jan 2020, 22:11
49
ER
Alan has split his savings equally into two accounts. The
Tags:
Difficulty: 600700 Level
,
Percents and Interest Problems
,
Source: Economist GMAT Tutor
goodyear2013
9
5111
by:
rwx5861
,
09 Jan 2020, 22:19
40
ER
After 4,000 gallons of water were added to a large water tan
Tags:
Difficulty: Sub600 Level
,
Fractions/Ratios/Decimals
,
Word Problems
,
Source: Official Guide
,
Source: Quant Review 2016
,
Source: Quant Review 2017
,
Source: Quant Review 2018
,
Source: Quant Review 2019
,
Source: Quant Review 2nd
Bunuel
14
11166
by:
bumpbot
,
09 Jan 2020, 22:44
23
ER
How many 5 letter combinations can be made from the letters
Tags:
Difficulty: 600700 Level
,
Combinations
,
Source: Economist GMAT Tutor
goodyear2013
5
9447
by:
bumpbot
,
09 Jan 2020, 23:21
68
ER
On the graph above, when x = 1/2, y = 2; and when x = 1, y =
Tags:
Difficulty: Sub600 Level
,
Coordinate Geometry
,
Source: OG 11
,
Source: OG 12
,
Source: OG 2015
,
Source: OG 2016
,
Source: OG 2017
Bunuel
7
27826
by:
bumpbot
,
10 Jan 2020, 00:14
3
ER
The days taken to built a wall individually by each of A, B, C, D and
Tags:
Difficulty: 600700 Level
,
Work/Rate Problems
,
Source: Other  Please specify
Bunuel
1
77
by:
Dillesh4096
,
10 Jan 2020, 01:33
141
ER
If a and b are positive integers such that a/b=2.86, which
Tags:
Difficulty: 700Level
,
Divisibility/Multiples/Factors
,
Source: Manhattan GMAT
Go to page:
1
,
2
xianster
39
18434
by:
SuryaNouliGMAT
,
10 Jan 2020, 01:42
ER
The following figure shows line l: y = 2x. If the area of BOC is 8, w
Tags:
Difficulty: 700Level
,
Coordinate Geometry
,
Source: Math Revolution
MathRevolution
2
148
by:
MathRevolution
,
10 Jan 2020, 02:04
1
ER
In a race between A and B, both start simultaneously from the same poi
Tags:
Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
1
90
by:
Dillesh4096
,
10 Jan 2020, 02:06
1
ER
A, B and C can complete one full round of a circular track in 10 minut
Tags:
Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
1
52
by:
Dillesh4096
,
10 Jan 2020, 02:21
3
ER
A test has 5 multiplechoice questions. Each question has 4 answer opt
Tags:
Difficulty: 600700 Level
,
Probability
,
Source: Other  Please specify
costcosized
1
112
by:
ArvindCrackVerbal
,
10 Jan 2020, 02:31
1
ER
I travel for 2 hours downstream and then for 2 hours upstream. I am ye
Tags:
Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
1
50
by:
Dillesh4096
,
10 Jan 2020, 02:35
ER
A car travels the first onethird of a certain distance with a speed
Tags:
Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
1
62
by:
ArvindCrackVerbal
,
10 Jan 2020, 02:40
106
ER
What is 1/(1*2) + 1/(2*3) + 1/(3*4) + 1/(4*5) + 1/(5*6) + 1/(6*7) + 1/
Tags:
Difficulty: 700Level
,
Algebra
,
Source: Veritas Prep
goodyear2013
12
88443
by:
bumpbot
,
10 Jan 2020, 02:46
1
ER
1 man and 2 women can complete a work in 10 days. 2 men and 3 women ca
Tags:
Difficulty: 600700 Level
,
Work/Rate Problems
,
Source: Other  Please specify
Bunuel
1
78
by:
Dillesh4096
,
10 Jan 2020, 02:59
ER
Consider athletes A and B running at speeds of 30 m/s and 20 m/s on a
Tags:
Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
1
43
by:
rajatchopra1994
,
10 Jan 2020, 03:04
8
Letters of the word 'ARRANGEMENT' are first written in ascending order
Tags:
Difficulty: 700Level
,
Divisibility/Multiples/Factors
,
Source: Other  Please specify
uchihaitachi
3
172
by:
nick1816
,
10 Jan 2020, 03:07
ER
On a 20 km tunnel connecting two cities A and B there are three gutter
Tags:
Difficulty: 600700 Level
,
Distance/Rate Problems
,
Word Problems
,
Source: Other  Please specify
Bunuel
3
120
by:
ShankSouljaBoi
,
10 Jan 2020, 03:16
3
In a health club, 70% of the members who take protein supplements repo
Tags:
Difficulty: 600700 Level
,
Percents and Interest Problems
,
Source: Experts' Global
,
Source: Other  Please specify
pushpitkc
4
550
by:
bumpbot
,
10 Jan 2020, 03:19
3
ER
A telecom company charges in the following manner each call costs
Tags:
Difficulty: Sub600 Level
,
Word Problems
,
Source: Experts' Global
,
Source: Other  Please specify
nkmungila
4
668
by:
bumpbot
,
10 Jan 2020, 03:28
4
ER
If A, B and C take 12 mins, 15 mins and 20 mins to complete one full
Tags:
Difficulty: 700Level
,
Work/Rate Problems
,
Source: Other  Please specify
Bunuel
2
109
by:
nick1816
,
10 Jan 2020, 03:55
2
ER
In a race of 4800 meters run on a circular track of 400 meters length
Tags:
Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
6
261
by:
Bunuel
,
10 Jan 2020, 04:03
ER
In a race of 4800 meters run on a circular track of 400 meters length,
Tags:
Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
1
60
by:
Bunuel
,
10 Jan 2020, 04:03
2
ER
If $120 invested at a certain rate of simple interest amounts to $140
Tags:
Difficulty: 600700 Level
,
Percents and Interest Problems
,
Source: Other  Please specify
Bunuel
5
573
by:
bumpbot
,
10 Jan 2020, 04:08
1
ER
If 14 is added to 56, by what percent does the original number increas
Tags:
Difficulty: 600700 Level
,
Percents and Interest Problems
hudacse6
3
121
by:
smkdeveloper
,
10 Jan 2020, 04:36
ER
A thief escapes from a prison at 2 pm and travels away at a speed of 3
Tags:
Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
1
51
by:
AnirudhaS
,
10 Jan 2020, 05:16
1
ER
Two trains start simultaneously, one from Bombay to Kolkata and other
Tags:
Difficulty: 600700 Level
,
Distance/Rate Problems
,
Fractions/Ratios/Decimals
,
Source: Other  Please specify
Bunuel
1
91
by:
cantaffordname
,
10 Jan 2020, 05:25
ER
A train meets with an accident and travels at 4/7th of its regular spe
Tags:
Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
1
61
by:
Bunuel
,
10 Jan 2020, 05:30
129
ER
If x = w, which of the following must be true
Tags:
Difficulty: Sub600 Level
,
Absolute Values/Modulus
,
Algebra
,
Source: Official Guide
,
Source: Quant Review 2016
,
Source: Quant Review 2017
,
Source: Quant Review 2018
,
Source: Quant Review 2019
,
Source: Quant Review 2020
Go to page:
1
,
2
nalinnair
25
15586
by:
suganyam
,
10 Jan 2020, 05:30
ER
A train crosses 2 platforms of length 400 m and 600 m in 6 seconds and
Tags:
Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
1
58
by:
Abhi077
,
10 Jan 2020, 05:41
14
ER
5x^2/(x^2)^(1/3)
Tags:
Difficulty: 600700 Level
,
Roots
,
Source: Veritas Prep
Bunuel
15
1914
by:
bumpbot
,
10 Jan 2020, 05:42
ER
In the movie Ghulam, Aamir is able to spot the approaching train when
Tags:
Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
1
65
by:
AnirudhaS
,
10 Jan 2020, 05:44
2
ER
If x > 0 and 4x/(x^2 −3x) − 2/7 = 0 what is the value of x?
Tags:
Difficulty: Sub600 Level
,
Algebra
,
Source: Other  Please specify
Bunuel
5
454
by:
bumpbot
,
10 Jan 2020, 05:57
ER
A boat covers a distance of 16 km in 2 hours when rowing downstream an
Tags:
Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
2
77
by:
cantaffordname
,
10 Jan 2020, 06:01
3
ER
A boatman rows to a place 48 km distant and back in 14 hours. He finds
Tags:
Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
1
70
by:
cantaffordname
,
10 Jan 2020, 06:05
NEW TOPIC
Question banks
Downloads
My Bookmarks
Important topics
Reviews
1
...
526
527
528
529
530
...
537
Moderators:
chetan2u
Math Expert
8341
posts
VeritasKarishma
Veritas Prep GMAT Instructor
9983
posts
Gladiator59
Senior PS Moderator
728
posts
Bunuel
Math Expert
60460
posts
generis
Senior SC Moderator
3734
posts
You are here:
Forum Home
GMAT
Quantitative
Problem Solving (PS)
Hi Guest,
Here are updates for you:
ANNOUNCEMENTS
Best of the Best 2019
Hardest Questions, Best Topics, and Best Users:
Best of Verbal  2019
Best of Quant  2019
Hardest Questions, Best Topics, and Best Users: [list][*][url=https://gmatclub.com/forum/bestofthebestof2019verbal313878.html][u][b]Best of Verbal  2019[/b][/u][/url] [*][url=https://gmatclub.com/forum/bestofthebestof2019quantitative313877.html][b][u]Best of Quant  2019[/u][/b][/url][/list]
CLOSE
SAVE
Tuck MBA
98 percent of Tuck graduates received job offers within three months after graduation. Learn more.
Open Your Tuck Application
98 percent of Tuck graduates received job offers within three months after graduation. Learn more. [url=https://apply.tuck.dartmouth.edu/apply/?utm_source=adm&utm_medium=partner&utm_campaign=adm_partner_sidebar&utm_content=gmc][b][u]Open Your Tuck Application[/u][/b][/url]
CLOSE
SAVE
LATEST POSTS
A runs in the clockwise direction on a circular track whereas B runs
8 mins
globaldesi
Most initiatives to prevent such manmade disasters like climate
11 mins
daagh
The few things known about the Eleusinian mysteries come from ancient
15 mins
daagh
If A = {1, 2, 3}, B = {2, 3, 4}, and C is the set consisting of all th
19 mins
chacinluis
Calling all ISB PGP Applicants  (2020 Intake) Class of 2021
29 mins
Shivam1811
More Latest posts