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View first unread post EMPOWERgmat PS Forum Expert - Ask Me Anything about PS and Math  

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EMPOWERgmatRichC

26

4847

26 Oct 2019, 19:33

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View first unread post Attachment(s) Veritas Prep PS Forum Expert - Karishma - Ask Me Anything about Math  

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VeritasKarishma

190

9199

02 Dec 2019, 21:57

View the latest post VeritasKarishma

Announcements

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View first unread post 100 Hardest and easiest questions for PS as of November 2019  

Tags: Difficulty: 700-Level

Bunuel

12

104501

29 Jul 2019, 07:22

View the latest post Shrinidhi

1939
ER
View first unread post Attachment(s) GMAT PS Question Directory by Topic & Difficulty  

Tags: Difficulty: 600-700 Level,  Difficulty: 700-Level,  Difficulty: Sub-600 Level,  Combinations,  Mixture Problems,  Work/Rate Problems,  Source: GMAT Club Tests,  Source: GMAT Prep,  Source: Official Guide

bb

0

756318

22 Feb 2012, 11:27

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Topics

ER
View first unread post 2[2x + (3x + 5x)] — (3x + 5x) =  

Tags: Difficulty: Sub-600 Level,  Algebra,  Source: Other - Please specify

Bunuel

1

486

26 Aug 2018, 05:33

View the latest post vipulshahi

12
ER
View first unread post 2/(16+6*7^(1/2))^(1/2)  

Tags: Difficulty: 700-Level,  Roots,  Source: Veritas Prep

Bunuel

5

1847

10 Jan 2019, 08:17

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1
ER
View first unread post 2/3 − 3/4 + 5/6 − 1/2 =  

Tags: Difficulty: Sub-600 Level,  Arithmetic,  Fractions/Ratios/Decimals,  Source: Veritas Prep

Bunuel

4

579

14 Mar 2018, 16:02

View the latest post ScottTargetTestPrep

4
ER
View first unread post 2/3 of the aliens on Planet X are Zorgs, whose average IQ is 120. The  

Tags: Difficulty: Sub-600 Level,  Fractions/Ratios/Decimals,  Source: Other - Please specify

Bunuel

4

348

02 Aug 2019, 00:42

View the latest post swatihod123

ER
View first unread post 2/5 of the fish in an aquarium is red and 1/4 of the fish is brown.  

Tags: Difficulty: Sub-600 Level,  Probability,  Source: Other - Please specify

sumitsinha4u

1

798

04 Sep 2016, 03:47

View the latest post chetan2u

3
ER
View first unread post 2−6/3 + 2−7/6 + 2−8/12 is how many times bigger than 2^−10?  

Tags: Difficulty: 600-700 Level,  Exponents/Powers,  Source: Veritas Prep

Bunuel

2

575

25 Oct 2018, 22:41

View the latest post VeritasKarishma

2
ER
View first unread post 20 beavers, working together in a constant pace, can build a dam in 3  

Tags: Difficulty: Sub-600 Level,  Work/Rate Problems,  Source: Other - Please specify

Bunuel

4

1264

02 Aug 2016, 21:15

View the latest post Henry S. Hudson Jr.

16
ER
View first unread post 20 marbles were pulled out of a bag of only white marbles, p  

Tags: Difficulty: 600-700 Level,  Percents and Interest Problems,  Word Problems,  Source: Grockit

fozzzy

5

2241

09 Aug 2018, 08:37

View the latest post jalice

10
View first unread post 20 men are held captive by a pirate lord, including two friends Jack a  

Tags: Difficulty: 700-Level,  Combinations,  Out of Scope - Too Hard,  Probability,  Source: Other - Please specify

nick1816

4

521

24 May 2019, 07:33

View the latest post ailyninja

ER
View first unread post 20 of the 80 employees at a certain organization are doctors. If two  

Tags: Difficulty: 600-700 Level,  Probability,  Source: Other - Please specify

Bunuel

3

327

18 Jan 2019, 19:42

View the latest post philipssonicare

15
ER
View first unread post 20 students including Tom take a test and Tom gets 5.8 pts higher than  

Tags: Difficulty: 600-700 Level,  Statistics and Sets Problems,  Source: Math Revolution

hazelnut

6

1189

25 Aug 2019, 18:28

View the latest post bumpbot

27
View first unread post 20 students took the test. The arithmetic mean of the scores  

Tags: Difficulty: 700-Level,  Arithmetic,  Statistics and Sets Problems

guerrero25

9

3125

05 Feb 2019, 03:52

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22
ER
View first unread post Attachment(s) 20 throws of a die produces following results  

Tags: Difficulty: 600-700 Level,  Probability,  Statistics and Sets Problems

bmwhype2

7

5425

15 Jun 2018, 10:50

View the latest post Krotishka1

16
ER
View first unread post 20 workmen can make 35 widgets in 5 days. How many workmen are needed  

Tags: Difficulty: Sub-600 Level,  Work/Rate Problems,  Source: Veritas Prep

Bunuel

11

2151

07 Jul 2019, 00:23

View the latest post bumpbot

1
ER
View first unread post 20^(1/2) + 45^(1/2) - 5^(1/2) - 80^(1/2) =  

Tags: Difficulty: Sub-600 Level,  Arithmetic,  Roots,  Source: Other - Please specify

Bunuel

2

827

10 Sep 2017, 08:43

View the latest post sashiim20

4
ER
View first unread post 20^5*5^10*8^2/10^5  

Tags: Difficulty: Sub-600 Level,  Arithmetic,  Exponents/Powers,  Source: Other - Please specify

bettatantalo

10

626

11 Jan 2019, 11:32

View the latest post stne

1
ER
View first unread post 20-3*4^2+15 = ?  

Tags: Difficulty: Sub-600 Level,  Arithmetic,  Source: Other - Please specify

GMATinsight

1

856

14 Jan 2016, 00:00

View the latest post chetan2u

6
View first unread post 20! + 21 is NOT a multiple of which of the following?  

Tags: Difficulty: Sub-600 Level,  Divisibility/Multiples/Factors,  Source: Other - Please specify

nkmungila

3

823

05 May 2019, 10:16

View the latest post pandajee

12
ER
View first unread post 20% ammonia solution and 70% ammonia solution were mixed to form 50%  

Tags: Difficulty: 700-Level,  Mixture Problems,  Source: Experts' Global,  Source: Other - Please specify

pushpitkc

4

905

01 Nov 2019, 20:01

View the latest post ScottTargetTestPrep

17
ER
View first unread post 20% of employees are women with fair hair. 40% of  

Tags: Difficulty: Sub-600 Level,  Percents and Interest Problems,  Source: GMAT Club Tests

banksy

9

4571

05 Aug 2018, 09:45

View the latest post bumpbot

View first unread post 20% of incoming freshman at a certain university have taken  

Tags: Difficulty: 600-700 Level,  Percents and Interest Problems,  Source: Other - Please specify

pm334

5

1697

10 Oct 2011, 22:42

View the latest post blink005

ER
View first unread post 200 is what percent of 40?  

Tags: Difficulty: Sub-600 Level,  Percents and Interest Problems,  Source: Other - Please specify

Bunuel

10

2408

12 Mar 2019, 03:02

View the latest post AlanGonzales

49
ER
View first unread post Attachment(s) 200 people responded to a survey that asked them to rank three differe  

Tags: Difficulty: 700-Level,  Word Problems,  Source: Veritas Prep

Bunuel

6

4918

13 Jun 2019, 08:08

View the latest post shobhitkh

6
ER
View first unread post 200^2 – 2(200)(199) + 199^2 =  

Tags: Difficulty: Sub-600 Level,  Algebra,  Source: Princeton Review

carcass

3

3344

20 Oct 2018, 08:37

View the latest post bumpbot

2
ER
View first unread post 200^200*40^40/(20^20*400^400) =  

Tags: Difficulty: 700-Level,  Exponents/Powers,  Source: Manhattan GMAT

Bunuel

5

797

06 Jan 2019, 20:33

View the latest post KanishkM

3
ER
View first unread post 2000(2000^{2000}) =  

Tags: Difficulty: Sub-600 Level,  Exponents/Powers,  Source: Other - Please specify

Bunuel

2

303

15 Mar 2019, 03:16

View the latest post NandishSS

2
ER
View first unread post 21 people per minute enter a previously empty train station beginning  

Tags: Difficulty: 600-700 Level,  Word Problems,  Source: Other - Please specify

Bunuel

5

607

02 Jun 2018, 07:34

View the latest post push12345

3
ER
View first unread post 21, 22, 23, … , and (20+n) are n consecutive integers. One integer is  

Tags: Difficulty: 700-Level,  Statistics and Sets Problems,  Source: Math Revolution

MathRevolution

3

330

18 Jul 2019, 03:21

View the latest post MathRevolution

13
ER
View first unread post Attachment(s) 210 college students were asked in a survey if they  

Tags: Difficulty: 600-700 Level,  Overlapping Sets,  Source: 800 Score

marijose

15

6089

18 Dec 2018, 02:36

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17
ER
View first unread post 22! is divisible by x but not by x^2. If x is a prime number, what is  

Tags: Difficulty: 700-Level,  Divisibility/Multiples/Factors,  Number Properties,  Source: Veritas Prep

Bunuel

10

1625

21 Mar 2019, 05:25

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32
ER
View first unread post 225, or 15^2, is the first perfect square that begins with  

Tags: Difficulty: 700-Level,  Arithmetic,  Number Properties,  Source: Veritas Prep

Vijayeta

6

4667

16 Jul 2019, 10:26

View the latest post bumpbot

8
ER
View first unread post 24 computer hackers can scan and infect 10 computers in 5 hours. If th  

Tags: Difficulty: 600-700 Level,  Work/Rate Problems,  Source: Other - Please specify

ssr300

12

1242

05 Jul 2018, 16:50

View the latest post ScottTargetTestPrep

32
ER
View first unread post 24 lbs of coffee P and 25 lbs of coffee V are mixed to make  

Tags: Difficulty: 600-700 Level,  Mixture Problems

young_gun

15

7818

28 Mar 2019, 12:00

View the latest post bumpbot

104
ER
View first unread post Attachment(s) 24 oz of juice P and 25 oz of juice V are mixed to make smot  

Tags: Difficulty: 600-700 Level,  Fractions/Ratios/Decimals,  Mixture Problems

shalu

19

7437

29 Oct 2019, 17:26

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1
ER
View first unread post 24^3/(6^2)(4^2)(2^2  

Tags: Difficulty: Sub-600 Level,  Arithmetic,  Source: Other - Please specify

gmatser1

11

1216

28 Jun 2015, 16:34

View the latest post EMPOWERgmatRichC

ER
View first unread post 25 Employees donated a total of $450 to charity. If 15 employees donat  

Tags: Difficulty: Sub-600 Level,  Min/Max Problems,  Source: Other - Please specify

Bunuel

1

395

03 Dec 2018, 04:33

View the latest post Archit3110

7
ER
View first unread post 25 man and 10 women can finish a task in 6 days. 21 men and 30 women f  

Tags: Poor Quality,  Work/Rate Problems

KSBGC

8

363

08 Nov 2019, 23:06

View the latest post KSBGC

1
ER
View first unread post 25 percent of 30 is 75 percent of what number?  

Tags: Difficulty: Sub-600 Level,  Percents and Interest Problems,  Source: Other - Please specify

Bunuel

2

334

13 Dec 2018, 01:57

View the latest post GMATINSECT

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View first unread post 25!/23!*1/4! =  

Tags: Difficulty: Sub-600 Level,  Arithmetic,  Source: Other - Please specify

Bunuel

3

302

06 Mar 2019, 20:01

View the latest post ScottTargetTestPrep

59
View first unread post 256 teams play in a state soccer tournament. A team is elimi  

Tags: Difficulty: 600-700 Level,  Combinations,  Source: Veritas Prep

karishmatandon

11

7241

21 Jan 2019, 17:34

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4
ER
View first unread post Attachment(s) 27 percent of the students at a certain school are boys who are enroll  

Tags: Difficulty: 600-700 Level,  Fractions/Ratios/Decimals,  Source: Math Revolution

MathRevolution

4

1130

03 Sep 2019, 13:07

View the latest post bumpbot

5
ER
View first unread post 29^2 + 29  

Tags: Difficulty: Sub-600 Level,  Fractions/Ratios/Decimals,  Source: OG 10,  Source: OG 11,  Source: Official Guide

carcass

5

1812

09 Feb 2019, 13:54

View the latest post bumpbot

View first unread post 29.8% of 260 + 60.01 % of 510 – 103.57 = ?  

Tags: Difficulty: Sub-600 Level,  Percents and Interest Problems,  Source: Other - Please specify

TheNightKing

1

48

15 Dec 2019, 15:41

View the latest post mykrasovski

5
ER
View first unread post 2ab5 is a four-digit number divisible by 25. If the number formed from  

Tags: Difficulty: 600-700 Level,  Divisibility/Multiples/Factors,  Number Properties,  Source: Other - Please specify

carcass

7

2004

10 Apr 2018, 11:12

View the latest post JeffTargetTestPrep

1
ER
View first unread post 2k years ago Frank was 3k years old. In k years Frank's age, in years,  

Tags: Difficulty: 600-700 Level,  Word Problems,  Source: Magoosh

chesstitans

3

1573

21 Mar 2019, 18:00

View the latest post ScottTargetTestPrep

4
ER
View first unread post 2x + y years ago, Roberto was 3x + y years old. How many years old was  

Tags: Difficulty: 600-700 Level,  Word Problems,  Source: Magoosh

Bunuel

5

794

18 Oct 2018, 18:18

View the latest post ScottTargetTestPrep

3
ER
View first unread post Attachment(s) 2x + y years ago, Roberto was 3x + y years old. How many years old was  

Tags: Difficulty: Sub-600 Level,  Word Problems,  Source: Magoosh

Bunuel

3

1429

31 Oct 2018, 20:25

View the latest post KSBGC

1
ER
View first unread post Attachment(s) 2x^2 + (2x)^2 =?  

Tags: Difficulty: Sub-600 Level,  Algebra,  Exponents/Powers,  Source: Princeton Review

SajjadAhmad

2

271

03 Jul 2019, 06:22

View the latest post BelalHossain046

16
ER
View first unread post 2y - x = 2xy and x ≠ 0. If x and y are integers, which of the followin  

Tags: Difficulty: 600-700 Level,  Algebra,  Source: Manhattan GMAT

Bunuel

10

3178

02 Oct 2018, 20:44

View the latest post bumpbot

1
ER
View first unread post 3 - 2[ 5 - 7*(3+2) ]=  

Tags: Difficulty: Sub-600 Level,  Arithmetic,  Source: Other - Please specify

Bunuel

3

450

02 May 2018, 10:25

View the latest post JeffTargetTestPrep

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