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EMPOWERgmat PS Forum Expert  Ask Me Anything about PS and Math
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EMPOWERgmatRichC
26
5266
by:
EMPOWERgmatRichC
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26 Oct 2019, 19:33
Veritas Prep PS Forum Expert  Karishma  Ask Me Anything about Math
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Source: Veritas Prep
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VeritasKarishma
199
9974
by:
VeritasKarishma
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30 Dec 2019, 21:38
Announcements
532
ER
100 Hardest and easiest questions for PS as of December 2019
Tags:
Difficulty: 700Level
Bunuel
13
106353
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
764669
by:
bb
,
22 Feb 2012, 11:27
GMAT Club Member
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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
669
by:
bumpbot
,
10 Jan 2020, 03:28
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
551
by:
bumpbot
,
10 Jan 2020, 03:19
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
8
Letters of the word 'ARRANGEMENT' are first written in ascending order
Tags:
Difficulty: 700Level
,
Divisibility/Multiples/Factors
,
Source: Other  Please specify
uchihaitachi
3
173
by:
nick1816
,
10 Jan 2020, 03:07
ER
Consider athletes A and B running at speeds of 30 m/s and 20 m/s on a
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Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
1
43
by:
rajatchopra1994
,
10 Jan 2020, 03:04
1
ER
1 man and 2 women can complete a work in 10 days. 2 men and 3 women ca
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Difficulty: 600700 Level
,
Work/Rate Problems
,
Source: Other  Please specify
Bunuel
1
80
by:
Dillesh4096
,
10 Jan 2020, 02:59
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
88456
by:
bumpbot
,
10 Jan 2020, 02:46
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
65
by:
ArvindCrackVerbal
,
10 Jan 2020, 02:40
1
ER
I travel for 2 hours downstream and then for 2 hours upstream. I am ye
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Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
1
50
by:
Dillesh4096
,
10 Jan 2020, 02:35
3
ER
A test has 5 multiplechoice questions. Each question has 4 answer opt
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Difficulty: 600700 Level
,
Probability
,
Source: Other  Please specify
costcosized
1
112
by:
ArvindCrackVerbal
,
10 Jan 2020, 02:31
1
ER
A, B and C can complete one full round of a circular track in 10 minut
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Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
1
52
by:
Dillesh4096
,
10 Jan 2020, 02:21
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
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
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
18437
by:
SuryaNouliGMAT
,
10 Jan 2020, 01:42
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
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
27830
by:
bumpbot
,
10 Jan 2020, 00:14
23
ER
How many 5 letter combinations can be made from the letters
Tags:
Difficulty: 600700 Level
,
Combinations
,
Source: Economist GMAT Tutor
goodyear2013
5
9448
by:
bumpbot
,
09 Jan 2020, 23:21
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
11169
by:
bumpbot
,
09 Jan 2020, 22:44
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
5113
by:
rwx5861
,
09 Jan 2020, 22:19
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
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
21
ER
If a computer program generates threedigit odd numbers using the numb
Tags:
Difficulty: 700Level
,
Probability
,
Source: Other  Please specify
Bunuel
8
1694
by:
VeritasKarishma
,
09 Jan 2020, 20:05
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
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
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
4904
by:
gvij2017
,
09 Jan 2020, 18:16
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
3142
by:
UNSTOPPABLE12
,
09 Jan 2020, 13:55
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
16799
by:
bumpbot
,
09 Jan 2020, 10:55
10
ER
The difference between the value of a number increased by 25
Tags:
Difficulty: Sub600 Level
,
Percents and Interest Problems
anilnandyala
5
7475
by:
bumpbot
,
09 Jan 2020, 09:17
4
ER
A and B are two salt solutions with different concentrations. Mixing
Tags:
Difficulty: 600700 Level
,
Mixture Problems
,
Source: Math Revolution
MathRevolution
5
428
by:
Kinshook
,
09 Jan 2020, 08:55
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
1195
by:
GMATPrepNow
,
09 Jan 2020, 07:13
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
227
by:
chanyb
,
09 Jan 2020, 06:59
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
455
by:
TheNightKing
,
09 Jan 2020, 06:05
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
767
by:
bumpbot
,
09 Jan 2020, 06:03
8
If (20!*20!)/20^n is an integer
Tags:
Difficulty: 600700 Level
,
Exponents/Powers
,
Number Properties
,
Source: TargetTestPrep
anshkool4u
3
471
by:
bumpbot
,
09 Jan 2020, 06:02
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
23
ER
A bus trip of 450 miles would have taken 1 hour less if the average
Tags:
Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
9
3182
by:
TheNightKing
,
09 Jan 2020, 05:39
5
ER
Ram and Shyam run a race between points A and B, 5 km apart. Ram start
Tags:
Difficulty: 700Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
5
194
by:
BhishmaNaidu99
,
09 Jan 2020, 05:15
29
ER
If x is an integer, and 121 < x^2 <= 361, which of the following is
Tags:
Difficulty: 700Level
,
Inequalities
,
Source: GMAT Club Tests
Bunuel
8
4393
by:
Bunuel
,
09 Jan 2020, 04:29
1
ER
There’s a lot of work in preparing a birthday dinner. Even after the
Tags:
Difficulty: 600700 Level
,
Work/Rate Problems
,
Source: Other  Please specify
Bunuel
1
78
by:
rajatchopra1994
,
09 Jan 2020, 04:15
265
ER
For each student in a certain class, a teacher adjusted the student’s
Tags:
Difficulty: 600700 Level
,
Statistics and Sets Problems
,
Source: OG 2018
,
Source: OG 2019
,
Source: OG 2020
,
Source: Official Guide
AbdurRakib
15
25004
by:
Neena96
,
09 Jan 2020, 04:12
ER
At his usual rowing rate, Rahul can travel 12 miles downstream in a ce
Tags:
Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
1
93
by:
rajatchopra1994
,
09 Jan 2020, 04:11
ER
A can complete a piece of work in 4 days. B takes double the time take
Tags:
Difficulty: 600700 Level
,
Work/Rate Problems
,
Source: Other  Please specify
Bunuel
1
81
by:
rajatchopra1994
,
09 Jan 2020, 04:03
ER
3 small pumps and a large pump are filling a tank. Each of the three
Tags:
Difficulty: 600700 Level
,
Work/Rate Problems
,
Source: Other  Please specify
Bunuel
1
61
by:
rajatchopra1994
,
09 Jan 2020, 03:55
ER
A train approaches a tunnel AB. Inside the tunnel is a cat located at
Tags:
Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
1
67
by:
rajatchopra1994
,
09 Jan 2020, 03:52
ER
Navjivan Express from Ahmedabad to Chennai leaves Ahmedabad at 6 : 30
Tags:
Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
1
99
by:
rajatchopra1994
,
09 Jan 2020, 03:45
1
ER
Rajiv reaches city B from city A in 4 hours, driving at the speed of 3
Tags:
Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
2
82
by:
rajatchopra1994
,
09 Jan 2020, 03:38
ER
Rajiv reaches city B from city A in 4 hours, driving at the speed of 3
Tags:
Difficulty: 600700 Level
,
Distance/Rate Problems
,
Source: Other  Please specify
Bunuel
2
69
by:
rajatchopra1994
,
09 Jan 2020, 03:37
177
ER
Which of the following inequalities is an algebraic expressi
Tags:
Difficulty: Sub600 Level
,
Absolute Values/Modulus
,
Inequalities
,
Source: OG 11
,
Source: OG 12
,
Source: OG 2015
,
Source: OG 2016
,
Source: OG 2017
,
Source: OG 2018
,
Source: OG 2019
,
Source: OG 2020
,
Source: Official Guide
Walkabout
19
22080
by:
suganyam
,
09 Jan 2020, 03:36
30
ER
In the diagram (not drawn to scale), Sector PQ is a quartercircle.
Tags:
Difficulty: 700Level
,
Geometry
,
Source: Manhattan GMAT
venmic
6
10025
by:
Bunuel
,
09 Jan 2020, 03:05
14
ER
A certain number of men complete a piece of work in 60 days. If there
Tags:
Difficulty: 600700 Level
,
Work/Rate Problems
rxs0005
8
44588
by:
bumpbot
,
09 Jan 2020, 02:27
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