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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

1699

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

92

2966

22 Feb 2019, 08:18

View the latest post indu1954

Announcements

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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

86384

07 Mar 2018, 22:18

View the latest post Gladiator59

1680
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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

657305

22 Feb 2012, 10:27

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Topics

40
View first unread post Project PS Butler - Get 2 PS Questions Everyday  

Tags: Difficulty: 600-700 Level,  Difficulty: 700-Level,  Difficulty: Sub-600 Level,  Word Problems,  Source: OG 1988,  Source: Other - Please specify

HKD1710

8

4982

03 Feb 2019, 02:52

View the latest post Gmatprep550

View first unread post The cost of manufacturing "X" cellphones is given below. C=2500+100x,  

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

AsadAbu

0

3

22 Feb 2019, 11:23

View the latest post AsadAbu

43
ER
View first unread post If a fair 6-sided die is rolled three times, what is the probability  

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

shyind

15

51728

22 Feb 2019, 11:05

View the latest post abhishekdadarwal2009

4
ER
View first unread post 4 sewing machines can sew shirts in the ratio of 1:2:3:5.  

Tags: Difficulty: 600-700 Level,  Work/Rate Problems

amitdgr

9

5315

22 Feb 2019, 10:37

View the latest post bumpbot

4
ER
View first unread post There is 40g of 8% salty water in a glass. To make it 20%, how much mo  

Tags: Difficulty: 600-700 Level,  Word Problems,  Source: e-GMAT

WABL

6

243

22 Feb 2019, 10:20

View the latest post generis

63
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View first unread post For how many values of k is 12^12 the least common multiple  

Tags: Difficulty: 700-Level,  Divisibility/Multiples/Factors

jade3

16

8648

22 Feb 2019, 10:15

View the latest post bumpbot

282
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View first unread post At a blind taste competition a contestant is offered 3 cups of each of  

Tags: Difficulty: 700-Level,  Probability,  Source: GMAT Club Tests

Economist

16

25088

22 Feb 2019, 09:49

View the latest post smlprkh

1
ER
View first unread post If the sum of x distinct, positive integers is less than 75, what is  

Tags: Difficulty: 600-700 Level,  Arithmetic,  Min/Max Problems,  Source: Other - Please specify

Bunuel

8

171

22 Feb 2019, 09:10

View the latest post eswarchethu135

106
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View first unread post If x^2 + y^2 = 100, and x≥0, and y≥0, the maximum value of x  

Tags: Difficulty: 700-Level,  Algebra,  Min/Max Problems,  Source: Veritas Prep

emmak

12

11566

22 Feb 2019, 09:02

View the latest post Archit3110

3
ER
View first unread post On monday Rhonda made an average of 12 phone calls per hour for the fi  

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

Nums99

7

153

22 Feb 2019, 08:57

View the latest post CAMANISHPARMAR

1
ER
View first unread post If x and y are positive integers and x^4 + y^4 < 10,000, then the grea  

Tags: Difficulty: 600-700 Level,  Inequalities,  Min/Max Problems,  Number Properties,  Source: Other - Please specify

Bunuel

2

81

22 Feb 2019, 08:54

View the latest post Archit3110

7
ER
View first unread post a = 2^4·5^4 b = 3^4·11^2 c=2^2·5^6  

Tags: Difficulty: 700-Level,  Arithmetic

anandgoyal

4

1140

22 Feb 2019, 08:39

View the latest post bumpbot

2
ER
View first unread post If the product of the integers a, b, c and d is 546 and if 1  

Tags: Difficulty: Sub-600 Level,  Divisibility/Multiples/Factors,  Number Properties,  Source: Kaplan

johnwesley

5

3902

22 Feb 2019, 08:33

View the latest post kapstone1996

4
ER
View first unread post A boat traveled upstream a certain distance and then  

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

SravnaTestPrep

8

2190

22 Feb 2019, 07:53

View the latest post bumpbot

43
ER
View first unread post A certain organization presents reward to some people...  

Tags: Difficulty: 600-700 Level,  Algebra,  Arithmetic

aeros232

7

3432

22 Feb 2019, 07:45

View the latest post bumpbot

2
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View first unread post In the figure shown, AB = AC = 12. Which of the following is closest t  

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

fskilnik

2

94

22 Feb 2019, 06:38

View the latest post fskilnik

ER
View first unread post If x and y are positive integers and x^3 + y^3 < 1000, then the greate  

Tags: Difficulty: Sub-600 Level,  Inequalities,  Source: GMAT Hacks

Princ

2

68

22 Feb 2019, 06:20

View the latest post pushpitkc

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View first unread post The graphs of the functions f and g are represented in In the figure g  

Tags: Difficulty: 700-Level,  Coordinate Geometry,  Graphs and Illustrations,  Source: Other - Please specify

fskilnik

1

69

22 Feb 2019, 06:15

View the latest post fskilnik

1
ER
View first unread post If a > 12 and b < 7, which of the following must be true?  

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

Bunuel

5

133

22 Feb 2019, 06:12

View the latest post Bunuel

1
ER
View first unread post Brenda will test-drive a vintage motor car on a circular track with ra  

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

fskilnik

2

113

22 Feb 2019, 05:43

View the latest post fskilnik

2
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View first unread post In how many ways can 10 identical tyres be distributed by the supplier  

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

fitzpratik

4

202

22 Feb 2019, 05:29

View the latest post VeritasKarishma

3
ER
View first unread post Attachment(s) Fred and Sam are standing 45 miles apart and they start walking in a  

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

Bunuel

5

1699

22 Feb 2019, 05:28

View the latest post bumpbot

1
ER
View first unread post The curve shown above is defined by the ordered-pairs (x,y) such that  

Tags: Difficulty: 700-Level,  Coordinate Geometry,  Functions and Custom Characters,  Graphs and Illustrations,  Source: Other - Please specify

fskilnik

4

131

22 Feb 2019, 05:22

View the latest post fskilnik

ER
View first unread post Question of the Week - 37 (The nth term of a sequence...)  

Tags: Difficulty: 700-Level,  Algebra,  Sequences,  Source: e-GMAT

EgmatQuantExpert

1

76

22 Feb 2019, 05:18

View the latest post GMATinsight

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View first unread post If 1/x-1/y=1/z, what is the value of y, in terms of x and z?  

Tags: Difficulty: 600-700 Level,  Algebra,  Source: Math Revolution

MathRevolution

3

94

22 Feb 2019, 04:36

View the latest post GMATGuruNY

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View first unread post If x + 2y = 2 and (x + y)^2 = 9, which of the following is a possible  

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

Bunuel

5

231

22 Feb 2019, 04:14

View the latest post KanishkM

1
ER
View first unread post Terrence has 2/3 as many cards as Phillip. If Terrence were to win one  

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

Bunuel

3

107

22 Feb 2019, 00:10

View the latest post Archit3110

1
View first unread post In a college chemistry class, fourteen students are from California. T  

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

UB001

2

76

21 Feb 2019, 23:48

View the latest post pushpitkc

1
ER
View first unread post What is the largest digit n for which the number 123,45n is divisible  

Tags: Difficulty: 600-700 Level,  Number Properties,  Source: Math Revolution

MathRevolution

5

141

21 Feb 2019, 23:17

View the latest post MathRevolution

41
ER
View first unread post If M is the least common multiple of 90,196, and 300, which  

Tags: Difficulty: 700-Level,  Divisibility/Multiples/Factors,  Number Properties,  Source: GMAT Prep QP1

TOUGH GUY

18

16836

21 Feb 2019, 21:44

View the latest post bumpbot

64
ER
View first unread post Attachment(s) One night a certain hotel rented 3/4 of its rooms. including  

Tags: Difficulty: 700-Level,  Overlapping Sets,  Percents and Interest Problems,  Word Problems,  Source: GMAT Paper Tests,  Source: OG 10,  Source: Official Guide

vanidhar

18

14239

21 Feb 2019, 21:12

View the latest post bumpbot

ER
View first unread post The average of four consecutive odd numbers is 24. Find the largest nu  

Tags: Difficulty: Sub-600 Level,  Statistics and Sets Problems,  Source: Other - Please specify

Bunuel

5

128

21 Feb 2019, 20:55

View the latest post gracie

13
ER
View first unread post Jason flips a coin three times. What is the probability that the coin  

Tags: Difficulty: 600-700 Level,  Probability,  Source: Economist GMAT Tutor

reto

5

6474

21 Feb 2019, 17:35

View the latest post dabaobao

4
ER
View first unread post If 20/5 = 1/2^m + 1/2^n what is nm ?  

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

Pdirienzo

8

353

21 Feb 2019, 17:19

View the latest post ScottTargetTestPrep

1
ER
View first unread post If −5 ≤ a ≤ 12 and −10 ≤ b ≤ 25, which of the following represents all  

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

Bunuel

3

125

21 Feb 2019, 17:09

View the latest post ScottTargetTestPrep

2
ER
View first unread post The volume of a cube with edge 3 is how many times the volume of a cub  

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

AkshdeepS

3

560

21 Feb 2019, 17:08

View the latest post ScottTargetTestPrep

9
ER
View first unread post If X = 0.(81), where the brackets around the 2-digit sequence 81 indic  

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

Bunuel

6

597

21 Feb 2019, 17:06

View the latest post ScottTargetTestPrep

2
ER
View first unread post If m > 0 > n and m is odd, then all of the following could be odd and  

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

Bunuel

4

165

21 Feb 2019, 17:04

View the latest post ScottTargetTestPrep

4
ER
View first unread post Which of the following must be an integer if x is a positive integer  

Tags: Difficulty: 600-700 Level,  Algebra,  Number Properties,  Source: Kaplan

Bunuel

8

778

21 Feb 2019, 17:01

View the latest post ScottTargetTestPrep

4
ER
View first unread post Line k passes through the points (6,2) and P and has a slope of − 3/5  

Tags: Difficulty: 600-700 Level,  Coordinate Geometry,  Source: Princeton Review

AbdurRakib

2

1046

21 Feb 2019, 17:00

View the latest post ScottTargetTestPrep

15
ER
View first unread post 0.35 represents what percent of 0.007?  

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

Bunuel

8

5424

21 Feb 2019, 16:38

View the latest post smilenik25

18
View first unread post Attachment(s) A railroad worker finds himself trapped inside a tunnel at a point  

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

jake092

3

1209

21 Feb 2019, 16:29

View the latest post sahibr

4
ER
View first unread post Attachment(s) If ab > 0, which of the following must be negative?  

Tags: Difficulty: Sub-600 Level,  Inequalities,  Number Properties,  Source: Manhattan GMAT

Bunuel

11

3101

21 Feb 2019, 15:06

View the latest post selim

1
ER
View first unread post The sum of two integers is 27. The larger integer is 25% greater than  

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

Bunuel

5

510

21 Feb 2019, 15:05

View the latest post GMATPrepNow

1
ER
View first unread post If (x^2 + 6x + 9) + 6(x+3) + 9 = 0, then x=  

Tags: Difficulty: Sub-600 Level,  Algebra,  Source: GMAT Paper Tests

pushpitkc

3

232

21 Feb 2019, 14:39

View the latest post selim

ER
View first unread post $3000 is distributed among A, B and C such that A gets 2 3 rd of w  

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

cfc198

2

72

21 Feb 2019, 13:37

View the latest post IanStewart

13
ER
View first unread post Attachment(s) Square PQRS is inscribed in the square ABCD whose  

Tags: Difficulty: 700-Level,  Geometry

PareshGmat

13

25539

21 Feb 2019, 13:24

View the latest post bumpbot

ER
View first unread post (n+k)^2 - 2nk =  

Tags: Difficulty: Sub-600 Level,  Algebra,  Source: GMAT Paper Tests

pushpitkc

2

179

21 Feb 2019, 12:44

View the latest post GMATPrepNow

ER
View first unread post On a map, 1 centimeter represents 35 kilometers. Two cities 245 kilome  

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

Bunuel

2

2003

21 Feb 2019, 12:28

View the latest post GMATPrepNow

79
ER
View first unread post The positive integer n is divisible by 25. If n^1/2 is  

Go to page: 1, 2 Tags: Difficulty: Sub-600 Level,  Divisibility/Multiples/Factors,  Must or Could be True Questions,  Number Properties,  Source: OG 10,  Source: OG 11,  Source: OG 12,  Source: OG 2015,  Source: Official Guide

Walkabout

22

19092

21 Feb 2019, 11:10

View the latest post Probus

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