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Problem Solving (PS)

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

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EMPOWERgmatRichC

5

1639

29 Dec 2018, 19:19

View the latest post Tashin Azad

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

Go to page: 1, 2, 3, 4, 5 Tags: Source: Veritas Prep

VeritasKarishma

84

2762

04 Feb 2019, 01:40

View the latest post VeritasKarishma

Announcements

418
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View first unread post 100 Hardest and easiest questions for PS as of January 2019  

Tags: Difficulty: 700-Level

Bunuel

8

85849

07 Mar 2018, 22:18

View the latest post Gladiator59

1677
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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,  Mixture Problems,  Work/Rate Problems,  Source: GMAT Club Tests,  Source: GMAT Prep,  Source: Official Guide

bb

0

655088

22 Feb 2012, 10:27

View the latest post bb

Topics

9
ER
View first unread post If 2ab - c = 2a(b - c), which of the following must be true?  

Tags: Difficulty: 600-700 Level,  Algebra,  Must or Could be True Questions,  Source: Other - Please specify

Bunuel

5

2223

09 Feb 2019, 04:18

View the latest post KanishkM

30
View first unread post Attachment(s) In a horse race, horse A runs clockwise  

Tags: Difficulty: 700-Level,  Distance/Rate Problems

gmatINSIDER

9

2877

09 Feb 2019, 04:18

View the latest post coylahood

1
ER
View first unread post Two machines are sawing wood but due to space limitations only one at  

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

Bunuel

6

205

09 Feb 2019, 04:16

View the latest post MartyTargetTestPrep

22
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View first unread post The sequence a1, a2, a3, a4, a5 is such that an=a(n-1)+5 for  

Tags: Difficulty: Sub-600 Level,  Sequences,  Source: Official Guide,  Source: Quant Review 2016,  Source: Quant Review 2017,  Source: Quant Review 2018,  Source: Quant Review 2019,  Source: Quant Review 2nd

Bunuel

12

22292

09 Feb 2019, 03:40

View the latest post wjMBA

11
ER
View first unread post The average (arithmetic mean) of four different positive...  

Tags: Difficulty: 600-700 Level,  Arithmetic,  Min/Max Problems

sheyla96

8

3489

09 Feb 2019, 03:37

View the latest post KanishkM

24
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View first unread post Attachment(s) Which of the following inequalities is equal to |2x-|x||<6? A. -2<x<0  

Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Source: Math Revolution

MathRevolution

5

1318

09 Feb 2019, 03:24

View the latest post pikolo2510

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View first unread post Three workers A,B,C working individually can complete a task in 30 day  

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

selim

5

157

09 Feb 2019, 02:33

View the latest post KanishkM

View first unread post A committee of three biology professors, two physics professors, and  

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

pushpitkc

1

92

09 Feb 2019, 01:25

View the latest post Afc0892

5
ER
View first unread post Six small eggs weigh the same as five medium eggs. Six medium eggs wei  

Tags: Difficulty: 600-700 Level,  Word Problems

Sboyeff

5

128

09 Feb 2019, 00:45

View the latest post pushpitkc

5
ER
View first unread post James can complete a job in 6 hours and Sarah can complete the same jo  

Tags: Difficulty: 600-700 Level,  Word Problems,  Source: Princeton Review

SajjadAhmad

4

124

09 Feb 2019, 00:21

View the latest post KanishkM

43
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View first unread post If m is an even integer, v is an odd integer, and m > v> 0, which of  

Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Number Properties,  Source: Official Guide,  Source: Quant Review 2018,  Source: Quant Review 2019

carcass

26

6796

09 Feb 2019, 00:14

View the latest post Archit3110

45
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View first unread post What is the sum of all possible solutions to |x - 3|^2 + |x - 3| = 20  

Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Algebra,  Source: Other - Please specify

Alex75PAris

7

2177

08 Feb 2019, 23:50

View the latest post Bunuel

2
View first unread post Attachment(s) A and B start running simultaneously. A r  

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

dharam44

1

106

08 Feb 2019, 23:40

View the latest post pushpitkc

4
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View first unread post Of 7,000 concert tickets, 80 tickets were not sold and of the ones tha  

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

Bunuel

11

734

08 Feb 2019, 23:35

View the latest post KanishkM

14
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View first unread post What is the greatest value of x such that 15^x completely divides 300!  

Tags: Difficulty: 600-700 Level,  Number Properties,  Source: e-GMAT

EgmatQuantExpert

8

1112

08 Feb 2019, 22:45

View the latest post KanishkM

ER
View first unread post If Jamal is charged $236.30 to rent a car and that charge consists of  

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

Bunuel

2

88

08 Feb 2019, 20:31

View the latest post KanishkM

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View first unread post Point B is 18 miles east of point A, and point C is 6 miles west of po  

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

Bunuel

2

86

08 Feb 2019, 20:25

View the latest post KanishkM

3
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View first unread post If x – y = p, then 2x^2 − 4xy + 2y^2 =  

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

Bunuel

5

1418

08 Feb 2019, 20:18

View the latest post KanishkM

14
ER
View first unread post A man invested two equal sums of money in two banks at simple interest  

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

Bunuel

6

864

08 Feb 2019, 16:59

View the latest post bumpbot

213
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View first unread post Attachment(s) The final exam of a particular class makes up 40% of the  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Percents and Interest Problems

rxs0005

38

19310

08 Feb 2019, 15:59

View the latest post ramalcha

27
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View first unread post Attachment(s) A square is drawn by joining the midpoints of the sides of a  

Tags: Difficulty: 700-Level,  Geometry,  Sequences

anilnandyala

11

52952

08 Feb 2019, 12:53

View the latest post Shobhit7

24
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View first unread post Attachment(s) If 3^x - 3^(x-1) = 162, then x(x - 1) =  

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

troop2118

15

3288

08 Feb 2019, 11:59

View the latest post ScottTargetTestPrep

4
ER
View first unread post A box contains exactly 24 balls, of which 12 are red and 12 are blue.  

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

Bunuel

7

1002

08 Feb 2019, 11:45

View the latest post bumpbot

124
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View first unread post For how many integer values of x, is |x – 8| + |5 – x| > |x + 7|?  

Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Absolute Values/Modulus,  Inequalities,  Source: Veritas Prep

Bunuel

21

5779

08 Feb 2019, 11:21

View the latest post EMPOWERgmatRichC

305
ER
View first unread post Attachment(s) A square wooden plaque has a square brass inlay in the  

Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  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 2nd

Bunuel

55

45932

08 Feb 2019, 10:58

View the latest post mateopalacios

2
View first unread post If a is a positive integer, then the reciprocal of a could b  

Tags: Difficulty: 600-700 Level,  Algebra,  Percents and Interest Problems,  Source: Manhattan GMAT

rashedBhai

2

241

08 Feb 2019, 09:48

View the latest post mtambiev

45
ER
View first unread post A certain car traveled twice as many miles from Town A to Town B as it  

Tags: Difficulty: 700-Level,  Distance/Rate Problems,  Source: Manhattan GMAT

pgmat

19

7739

08 Feb 2019, 09:38

View the latest post KanishkM

ER
View first unread post What is the probability that the sum of two different single-digit pri  

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

Bunuel

3

170

08 Feb 2019, 08:16

View the latest post ScottTargetTestPrep

4
ER
View first unread post If |x|+|y|>4|x| and x and y are non-zero integers, then which of the f  

Tags: Difficulty: 600-700 Level,  Absolute Values/Modulus,  Inequalities,  Source: Other - Please specify

chetan2u

2

184

08 Feb 2019, 08:09

View the latest post Archit3110

1
ER
View first unread post If a is 60% of b, b is 40% of c, and c is 20% of d, then 6d is what pe  

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

Bunuel

5

200

08 Feb 2019, 07:49

View the latest post Abhishek009

ER
View first unread post At Pedantic Publishing Corporation, 1/5 of the employees take the bus  

Tags: Difficulty: 600-700 Level,  Fractions/Ratios/Decimals,  Source: Other - Please specify

Bunuel

3

119

08 Feb 2019, 07:13

View the latest post ScottTargetTestPrep

1
ER
View first unread post What is the value of x^2 – 1 when 9^(x + 1) = 27^(x – 1) ?  

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

Bunuel

6

322

08 Feb 2019, 07:03

View the latest post ScottTargetTestPrep

48
ER
View first unread post Minimum of how many people are needed to have the probability of more  

Tags: Difficulty: 700-Level,  Exponents/Powers,  Inequalities,  Probability,  Source: GMAT Club Tests

Bunuel

14

1985

08 Feb 2019, 07:00

View the latest post h31337u

1
ER
View first unread post In 1999, Diana read 10 English books and 7 French books. In 2000, she  

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

Bunuel

3

623

08 Feb 2019, 06:54

View the latest post GMATPrepNow

3
ER
View first unread post One class in a school is 30 percent boys. If a second class that is ha  

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

Bunuel

6

335

08 Feb 2019, 06:36

View the latest post KanishkM

9
ER
View first unread post A college has raised 75% of the amount it needs for a new building by  

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

Bunuel

5

4859

08 Feb 2019, 06:33

View the latest post KanishkM

4
ER
View first unread post An electrical supplies store sells 140 power stabilizers every week.  

Tags: Difficulty: 600-700 Level,  Min/Max Problems,  Word Problems,  Source: Economist GMAT Tutor

Bunuel

6

1116

08 Feb 2019, 06:27

View the latest post GMATPrepNow

16
ER
View first unread post In a recent election, James received 0.5 percent of the 2,000 votes  

Tags: Difficulty: 600-700 Level,  Percents and Interest Problems,  Source: OG 10,  Source: Official Guide

Bunuel

9

4267

08 Feb 2019, 06:23

View the latest post KanishkM

92
ER
View first unread post Attachment(s) Brenda and Sally run in opposite direction on a circular tra  

Tags: Difficulty: 700-Level,  Distance/Rate Problems

fozzzy

13

9427

08 Feb 2019, 06:19

View the latest post skhemani

37
ER
View first unread post If x = 1/10 + 1/12 + 1/13 + 1/14 + 1/15, then which of the following i  

Tags: Difficulty: 600-700 Level,  Arithmetic,  Number Properties,  Source: Other - Please specify

lalania1

5

2708

08 Feb 2019, 06:13

View the latest post bumpbot

71
ER
View first unread post Attachment(s) Every morning, Casey walks from her house to the bus stop  

Tags: Difficulty: 600-700 Level,  Combinations

krishnasty

9

16760

08 Feb 2019, 05:49

View the latest post bumpbot

1
ER
View first unread post In the last elections, three small political parties had 90, 108 and  

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

fskilnik

4

142

08 Feb 2019, 05:44

View the latest post fskilnik

2
ER
View first unread post Adriana´s room contains N identical light bulbs with independent switc  

Tags: Difficulty: 700-Level,  Combinations,  Source: Other - Please specify

fskilnik

3

122

08 Feb 2019, 05:37

View the latest post fskilnik

ER
View first unread post Four containers of flour are on the table: The first contains 1/3 of a  

Tags: Difficulty: 600-700 Level,  Fractions/Ratios/Decimals,  Source: Princeton Review

Bunuel

3

81

08 Feb 2019, 05:35

View the latest post Archit3110

ER
View first unread post Paul drives from his apartment to his parents’ house and back. On the  

Tags: Difficulty: 600-700 Level,  Distance/Rate Problems,  Source: Princeton Review

Bunuel

2

99

08 Feb 2019, 05:30

View the latest post Archit3110

2
ER
View first unread post The product of the positive 4-digit integer 118A and 25847 is 4758 uni  

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

fskilnik

2

109

08 Feb 2019, 05:30

View the latest post fskilnik

ER
View first unread post The positive sequence s1, s2, s3, ....sn, … is defined by s_n = s_n-1  

Tags: Difficulty: 600-700 Level,  Sequences,  Source: Princeton Review

Bunuel

2

80

08 Feb 2019, 05:28

View the latest post Archit3110

ER
View first unread post To fill a larger concert hall, a madrigal singing group consisting of  

Tags: Difficulty: 600-700 Level,  Fractions/Ratios/Decimals,  Source: Princeton Review

Bunuel

2

70

08 Feb 2019, 05:26

View the latest post Archit3110

ER
View first unread post If 25% of p equals 65% of 80 and if q is 50% of p, which of the follow  

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

Bunuel

2

88

08 Feb 2019, 05:24

View the latest post ammuseeru

ER
View first unread post If 12^13/x is an integer, which of the following could be the value of  

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

Bunuel

5

150

08 Feb 2019, 05:24

View the latest post Archit3110

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