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EMPOWERgmat PS Forum Expert  Ask Me Anything about PS and Math
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Source: EMPOWERgmat
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EMPOWERgmatRichC
26
5358
by:
EMPOWERgmatRichC
,
26 Oct 2019, 19:33
Veritas Prep PS Forum Expert  Karishma  Ask Me Anything about Math
Tags:
Source: Veritas Prep
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8
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VeritasKarishma
199
10133
by:
VeritasKarishma
,
30 Dec 2019, 21:38
Announcements
534
ER
100 Hardest and easiest questions for PS as of December 2019
Tags:
Difficulty: 700Level
Bunuel
14
106757
by:
kobej912
,
22 Jan 2020, 04:57
1958
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
766209
by:
bb
,
22 Feb 2012, 11:27
GMAT Club Member
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Topics
469
ER
In a room filled with 7 people, 4 people have exactly 1 sibling in the
Tags:
Difficulty: 700Level
,
Combinations
,
Probability
,
Source: Manhattan GMAT
Go to page:
1
,
2
,
3
reply2spg
43
69839
by:
VeritasKarishma
,
26 Dec 2019, 01:00
461
ER
How many positive integers less than 10,000 are there in
Tags:
Difficulty: 700Level
,
Combinations
,
Source: Other  Please specify
Go to page:
1
,
2
Bunuel
20
70530
by:
ScottTargetTestPrep
,
13 Jan 2020, 14:41
458
ER
In the figure, each side of square ABCD has length 1, the length of li
Tags:
Difficulty: 700Level
,
Geometry
,
Source: GMAT Prep
Go to page:
1
,
2
singh_amit19
28
81890
by:
Amlu95
,
09 Nov 2019, 22:25
454
ER
If N is the product of all multiples of 3 between 1 and 100, what is
Tags:
Difficulty: 700Level
,
Divisibility/Multiples/Factors
,
Exponents/Powers
,
Number Properties
,
Source: Economist GMAT Tutor
Go to page:
1
,
2
rafi
38
43877
by:
Archit3110
,
26 Aug 2019, 03:18
454
ER
A certain experimental mathematics program was tried out in 2 classes
Tags:
Difficulty: 700Level
,
Min/Max Problems
,
Word Problems
,
Source: OG 2017
,
Source: OG 2018
,
Source: OG 2019
,
Source: OG 2020
,
Source: Official Guide
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1
,
2
Bunuel
27
25867
by:
chetan2u
,
15 Nov 2019, 03:23
453
ER
At a certain fruit stand, the price of each apple is 40 cents and the
Tags:
Difficulty: 700Level
,
Statistics and Sets Problems
,
Source: OG 2016
,
Source: OG 2017
,
Source: OG 2018
,
Source: OG 2019
,
Source: OG 2020
,
Source: Official Guide
Go to page:
1
,
2
Bunuel
29
35580
by:
M1ke
,
07 Dec 2019, 07:28
444
ER
In the figure shown, what is the value of v+x+y+z+w?
Tags:
Difficulty: 700Level
,
Geometry
,
Source: OG 2015
,
Source: OG 2016
,
Source: OG 2017
,
Source: OG 2018
,
Source: OG 2019
,
Source: OG 2020
,
Source: Official Guide
Go to page:
1
,
2
Bunuel
23
55820
by:
bumpbot
,
11 Oct 2019, 21:42
443
ER
A certain list consists of 21 different numbers. If n is in
Tags:
Difficulty: 700Level
,
Sequences
,
Statistics and Sets Problems
,
Source: GMAT Prep
Go to page:
1
,
2
monirjewel
32
50881
by:
rohanrale
,
15 Jan 2020, 02:55
443
ER
If x > y^2 > z^4, which of the following statements could be
Tags:
Difficulty: 700Level
,
Inequalities
,
Must or Could be True Questions
,
Source: GMAT Prep
Orange08
19
82589
by:
bumpbot
,
09 Oct 2019, 03:42
438
ER
Pumps A, B, and C operate at their respective constant rates. Pumps A
Tags:
Difficulty: 600700 Level
,
Work/Rate Problems
,
Source: GMAT Prep
Go to page:
1
,
2
chicagocubsrule
33
59055
by:
bumpbot
,
09 Oct 2019, 05:55
432
ER
Three grades of milk are 1 percent, 2 percent and 3 percent fat by vol
Tags:
Difficulty: 600700 Level
,
Mixture Problems
,
Source: GMAT Prep
Go to page:
1
,
2
JimmyWorld
24
74159
by:
chondro48
,
18 Jan 2020, 08:59
431
ER
If an integer n is to be chosen at random from the integers 1 to 96
Tags:
Difficulty: 700Level
,
Divisibility/Multiples/Factors
,
Probability
,
Source: PowerPrep
Go to page:
1
,
2
JCLEONES
25
68905
by:
Pritishd
,
15 Aug 2019, 23:59
429
ER
If p is the product of the integers from 1 to 30, inclusive, what is
Tags:
Difficulty: 600700 Level
,
Exponents/Powers
,
Number Properties
,
Source: OG 12
,
Source: OG 2015
,
Source: OG 2016
,
Source: OG 2017
,
Source: OG 2018
,
Source: OG 2019
,
Source: OG 2020
,
Source: Official Guide
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1
,
2
divakarbio7
27
45174
by:
VeritasKarishma
,
16 Dec 2019, 00:48
427
ER
If integer C is randomly selected from 20 to 99, inclusive.
Tags:
Difficulty: 700Level
,
Divisibility/Multiples/Factors
,
Probability
,
Source: Manhattan GMAT
Go to page:
1
,
2
,
3
shashankp27
43
30300
by:
sanjanam25
,
01 Apr 2019, 23:52
426
ER
Find the number of trailing zeros in the expansion of
Tags:
Difficulty: 700Level
,
Exponents/Powers
,
Number Properties
Go to page:
1
,
2
,
3
feruz77
42
37540
by:
Kinshook
,
26 Aug 2019, 08:31
426
ER
For which of the following functions is f(a + b) = f(a) + f(b) for all
Tags:
Difficulty: 600700 Level
,
Arithmetic
,
Functions and Custom Characters
,
Source: GMAT Prep
Go to page:
1
,
2
zz0vlb
24
30047
by:
bumpbot
,
07 Oct 2019, 06:00
424
ER
If the probability that Stock A will increase in value
Tags:
Difficulty: 700Level
,
Probability
,
Source: GMAT Prep
Go to page:
1
,
2
Baten80
38
42155
by:
Kinshook
,
20 Sep 2019, 23:13
423
ER
Which of the following represents the complete range of x
Tags:
Difficulty: 700Level
,
Absolute Values/Modulus
,
Inequalities
,
Source: Manhattan GMAT
Go to page:
1
,
2
,
3
gmatpapa
54
41568
by:
philippi
,
12 Nov 2019, 09:42
420
ER
A square wooden plaque has a square brass inlay in the
Tags:
Difficulty: 700Level
,
Geometry
,
Must or Could be True Questions
,
Source: Official Guide
,
Source: Quant Review 2016
,
Source: Quant Review 2017
,
Source: Quant Review 2018
,
Source: Quant Review 2019
,
Source: Quant Review 2020
,
Source: Quant Review 2nd
Go to page:
1
,
2
,
3
Bunuel
52
55914
by:
bumpbot
,
17 Aug 2019, 03:11
418
ER
For any positive integer n, the sum of the first n positive integers
Tags:
Difficulty: 600700 Level
,
Arithmetic
,
Number Properties
,
Source: OG 12
,
Source: OG 2015
,
Source: OG 2016
,
Source: OG 2017
,
Source: OG 2018
,
Source: OG 2019
,
Source: OG 2020
,
Source: Official Guide
Go to page:
1
,
2
CharmWithSubstance
29
125458
by:
bumpbot
,
20 Sep 2019, 05:40
418
ER
If two of the four expressions x+y, x+5y, xy, and 5xy are chosen at
Tags:
Difficulty: 700Level
,
Probability
,
Source: GMAT Prep
Go to page:
1
,
2
,
3
ronny13
47
81649
by:
EMPOWERgmatRichC
,
06 Jan 2020, 16:51
416
ER
Letter arrangements: understanding probability and combinats
Tags:
Difficulty: 700Level
,
Functions and Custom Characters
,
Probability
Go to page:
1
,
2
Bunuel
39
58440
by:
up4gmat
,
22 Jul 2013, 19:42
414
ER
Tanya prepared 4 different letters to be sent to 4 different addresses
Tags:
Difficulty: 700Level
,
Probability
,
Source: GMAT Prep
Go to page:
1
,
2
tealeaflin
28
90993
by:
GMATPrepNow
,
29 Dec 2019, 10:52
412
ER
Club X has more than 10 but fewer than 40 members. Sometimes the membe
Tags:
Difficulty: 700Level
,
Remainders
,
Word Problems
,
Source: OG 2015
,
Source: OG 2016
,
Source: OG 2017
,
Source: OG 2018
,
Source: OG 2019
,
Source: OG 2020
,
Source: Official Guide
Go to page:
1
,
2
Walkabout
23
37988
by:
bmahes
,
22 Jun 2019, 02:59
412
ER
According to the directions on a can of frozen orange juice concentrat
Tags:
Difficulty: 600700 Level
,
Mixture Problems
,
Source: GMAT Prep
Go to page:
1
,
2
TomB
24
87343
by:
Kinshook
,
09 Nov 2019, 09:29
409
ER
A bus from city M is traveling to city N at a constant speed
Tags:
Difficulty: 700Level
,
Distance/Rate Problems
,
Source: GMAT Club Tests
Go to page:
1
,
2
gmattokyo
37
35456
by:
snoep
,
30 Jul 2019, 11:10
408
ER
PS questions about standard deviation.
Tags:
Difficulty: 600700 Level
,
Difficulty: 700Level
,
Difficulty: Sub600 Level
,
Statistics and Sets Problems
Go to page:
1
,
2
,
3
Bunuel
58
138730
by:
Bunuel
,
07 Apr 2018, 13:58
406
ER
If y = x + 5  x  5, then y can take how many integer vales?
Tags:
Difficulty: 700Level
,
Absolute Values/Modulus
,
Source: GMAT Prep
Go to page:
1
,
2
Bunuel
28
22010
by:
bhaskar123
,
08 Jan 2020, 01:03
401
ER
Each year for 4 years, a farmer increased the number of trees in a
Tags:
Difficulty: 700Level
,
Arithmetic
,
Word Problems
,
Source: OG 2015
,
Source: OG 2016
,
Source: OG 2017
,
Source: OG 2018
,
Source: OG 2019
,
Source: OG 2020
,
Source: Official Guide
Go to page:
1
,
2
,
3
imhimanshu
51
46548
by:
VeritasKarishma
,
26 Nov 2019, 22:40
400
ER
When a certain tree was first planted, it was 4 feet tall
Tags:
Difficulty: 700Level
,
Word Problems
,
Work/Rate Problems
,
Source: GMAT Paper Tests
,
Source: GMAT Prep
anilnandyala
17
62204
by:
bumpbot
,
09 Oct 2019, 04:54
399
ER
At a blind taste competition a contestant is offered 3 cups of each of
Tags:
Difficulty: 700Level
,
Probability
,
Source: GMAT Club Tests
,
Source: OG 2019
Go to page:
1
,
2
Economist
24
29521
by:
GMATAspirant0641
,
07 Nov 2019, 21:27
397
ER
The sum of four consecutive odd numbers is equal to the sum
Tags:
Difficulty: 700Level
,
Sequences
Go to page:
1
,
2
bindiyajoisher
35
57690
by:
bumpbot
,
12 Aug 2019, 10:29
396
ER
For a certain race, 3 teams were allowed to enter 3 members each.
Tags:
Difficulty: 700Level
,
Min/Max Problems
,
Word Problems
,
Source: GMAT Prep
Go to page:
1
,
2
caiyun
25
52730
by:
TheNightKing
,
04 Nov 2019, 18:05
395
ER
Last month 15 homes were sold in Town X. The average (arithmetic mean)
Tags:
Difficulty: 700Level
,
Min/Max Problems
,
Must or Could be True Questions
,
Statistics and Sets Problems
,
Source: GMAT Prep
sidhu4u
18
46478
by:
bumpbot
,
09 Oct 2019, 05:46
394
ER
A couple decides to have 4 children. If they succeed in havi
Tags:
Difficulty: 700Level
,
Combinations
,
Probability
,
Source: Official Guide
,
Source: Quant Review 2016
,
Source: Quant Review 2017
,
Source: Quant Review 2018
,
Source: Quant Review 2019
,
Source: Quant Review 2020
,
Source: Quant Review 2nd
Go to page:
1
,
2
Bunuel
24
34596
by:
EMPOWERgmatRichC
,
11 Nov 2019, 15:03
390
ER
If x and y are positive numbers such that x + y = 1, which of the
Tags:
Difficulty: 700Level
,
Algebra
,
Inequalities
,
Number Properties
,
Source: OG 2016
,
Source: OG 2017
,
Source: OG 2018
,
Source: OG 2019
,
Source: OG 2020
,
Source: Official Guide
Go to page:
1
,
2
BrainLab
30
29168
by:
jabhatta@umail.iu.edu
,
18 Nov 2019, 14:26
388
ER
If x and y are positive integers such that y is a multiple of 5 and 3x
Tags:
Difficulty: 600700 Level
,
Algebra
,
Divisibility/Multiples/Factors
,
Source: OG 2017
,
Source: OG 2018
,
Source: OG 2019
,
Source: OG 2020
,
Source: Official Guide
Go to page:
1
,
2
,
3
AbdurRakib
46
41208
by:
Great1stan
,
16 Jan 2020, 12:29
386
ER
An integer n between 1 and 99, inclusive, is to be chosen at
Tags:
Difficulty: 600700 Level
,
Divisibility/Multiples/Factors
,
Probability
,
Source: GMAT Prep
Go to page:
1
,
2
accincognito
25
50208
by:
amuban
,
19 Jul 2019, 09:21
385
ER
In order to complete a reading assignment on time, Terry
Tags:
Difficulty: 600700 Level
,
Work/Rate Problems
,
Source: OG 2015
,
Source: OG 2016
,
Source: OG 2017
,
Source: OG 2018
,
Source: OG 2019
,
Source: OG 2020
,
Source: Official Guide
Go to page:
1
,
2
nelz007
29
40208
by:
ShivamoggaGaganhs
,
03 Aug 2019, 07:00
383
ER
If d=1/(2^3*5^7) is expressed as a terminating decimal, how many nonze
Tags:
Difficulty: 700Level
,
Exponents/Powers
,
Fractions/Ratios/Decimals
,
Source: OG 2015
,
Source: OG 2016
,
Source: OG 2017
,
Source: OG 2018
,
Source: OG 2019
,
Source: OG 2020
,
Source: Official Guide
Walkabout
12
35923
by:
GMATPrepNow
,
13 Oct 2019, 10:49
383
ER
In the rectangular coordinate system above, the area of triangular
Tags:
Difficulty: 600700 Level
,
Coordinate Geometry
,
Source: GMAT Prep
Go to page:
1
,
2
nss123
30
73824
by:
Bunuel
,
21 Jan 2020, 07:35
382
ER
If n is a positive integer and n^2 is divisible by 72, then
Tags:
Difficulty: 700Level
,
Divisibility/Multiples/Factors
,
Must or Could be True Questions
,
Number Properties
,
Source: OG 10
,
Source: Official Guide
,
Source: Quant Review 1st
,
Source: Quant Review 2019
,
Source: Quant Review 2020
,
Source: Quant Review 2nd
Go to page:
1
,
2
amitvmane
31
68169
by:
Diwabag
,
23 Sep 2019, 02:44
379
ER
If x, y, and k are positive numbers such that x/(x + y)*10 + y/(x + y)
Tags:
Difficulty: 700Level
,
Algebra
,
Must or Could be True Questions
,
Source: GMAT Prep
,
Source: OG 12
Go to page:
1
,
2
BANON
34
33836
by:
dcummins
,
16 Nov 2019, 00:24
377
ER
If M = 4^(1/2) + 4^(1/3) + 4^(1/4), then the value of M is:
Tags:
Difficulty: 600700 Level
,
Roots
,
Source: GMAT Prep
zz0vlb
18
53617
by:
sasyaharry
,
04 Nov 2019, 09:42
374
ER
A certain right triangle has sides of length x, y, and z, where x < y
Tags:
Difficulty: 700Level
,
Geometry
,
Inequalities
,
Source: Official Guide
,
Source: Quant Review 2019
,
Source: Quant Review 2020
tonebeeze
15
38915
by:
mimajit
,
26 Nov 2019, 04:22
373
ER
If a committee of 3 people is to be selected from among 5 married coup
Tags:
Difficulty: 600700 Level
,
Combinations
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1
,
2
,
3
kirankp
41
62086
by:
rvarora
,
08 Nov 2019, 05:03
368
ER
It takes 6 days for 3 women and 2 men working together to
Tags:
Difficulty: 700Level
,
Work/Rate Problems
,
Source: 800 Score
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1
,
2
virtualanimosity
34
65096
by:
bumpbot
,
26 Sep 2019, 02:49
365
ER
Circular gears P and Q start rotating at the same time at
Tags:
Difficulty: Sub600 Level
,
Work/Rate Problems
,
Source: GMAT Prep
enigma123
19
66420
by:
gmatapprentice
,
10 Jan 2020, 07:04
364
ER
After driving to a riverfront parking lot, Bob plans to run
Tags:
Difficulty: 700Level
,
Distance/Rate Problems
,
Source: OG 2015
,
Source: OG 2016
,
Source: OG 2017
,
Source: OG 2018
,
Source: OG 2019
,
Source: OG 2020
,
Source: Official Guide
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3
Walkabout
41
38928
by:
Processissimo
,
25 Sep 2019, 12:41
364
ER
If the product of all the unique positive divisors of n, a positive in
Tags:
Difficulty: 700Level
,
Divisibility/Multiples/Factors
,
Number Properties
,
Source: Manhattan GMAT
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gmatpapa
24
37923
by:
Gladiator59
,
11 Jan 2019, 02:06
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