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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

2763

04 Feb 2019, 01:40

View the latest post VeritasKarishma

Announcements

419
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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

85852

07 Mar 2018, 22:18

View the latest post Gladiator59

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

bb

0

655096

22 Feb 2012, 10:27

View the latest post bb

Topics

33
ER
View first unread post If x and y are positive integers and 1 + x + y + xy = 15, wh  

Tags: Difficulty: 600-700 Level,  Algebra

mrwaxy

11

6869

11 Feb 2019, 08:42

View the latest post bumpbot

45
View first unread post For how many different pairs of positive integers (a, b) can  

Tags: Difficulty: 700-Level,  Arithmetic,  Source: Manhattan GMAT

AccipiterQ

8

4880

11 Feb 2019, 08:27

View the latest post paolodeppa

2
ER
View first unread post How many integers between 101 and 201 are equal to the square of some  

Tags: Difficulty: Sub-600 Level,  Number Properties,  Source: Magoosh

Bunuel

11

219

11 Feb 2019, 08:13

View the latest post selim

4
ER
View first unread post The average (arithmetic mean) of a list of 8 different positive.......  

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

CAMANISHPARMAR

7

206

11 Feb 2019, 07:48

View the latest post CAMANISHPARMAR

1
ER
View first unread post Sixty-eight people are sitting in 20 cars and each car contains at mos  

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

Bunuel

5

175

11 Feb 2019, 07:42

View the latest post KanishkM

View first unread post Of the students in a class, 90% had taken a course in writing, or math  

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

rohan2345

1

63

11 Feb 2019, 06:14

View the latest post Afc0892

ER
View first unread post A candy machine contains gumballs: three blue, two red, seven yellow,  

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

Bunuel

3

115

11 Feb 2019, 05:43

View the latest post kumarankit01

ER
View first unread post Joseph's final grade is calculated from the mean of his test scores.  

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

Bunuel

5

258

11 Feb 2019, 05:30

View the latest post gmat1393

19
ER
View first unread post If n is a positive integer and k + 2 = 3^n, which of the fol  

Tags: Difficulty: Sub-600 Level,  Algebra,  Source: OG 10,  Source: Official Guide,  Source: Quant Review 1st,  Source: Quant Review 2016,  Source: Quant Review 2nd

Bunuel

18

10021

11 Feb 2019, 05:07

View the latest post bumpbot

2
ER
View first unread post A disease has infected an ant colony that consists of "workers" and "s  

Tags: Difficulty: 600-700 Level,  Percents and Interest Problems,  Source: Economist GMAT Tutor

reto

3

2622

11 Feb 2019, 04:34

View the latest post bumpbot

ER
View first unread post If 8^(2x - 3) = 1 what is the value of x?  

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

Bunuel

3

127

11 Feb 2019, 03:50

View the latest post KanishkM

ER
View first unread post What is the range of the function g(x) = 1 - (x - 2)^(1/2) ?  

Tags: Difficulty: 600-700 Level,  Functions and Custom Characters,  Inequalities,  Source: Other - Please specify

Bunuel

1

81

11 Feb 2019, 03:38

View the latest post KanishkM

1
ER
View first unread post A survey reveals that the average income of a company’s customers is $  

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

Bunuel

2

56

11 Feb 2019, 03:26

View the latest post Archit3110

ER
View first unread post If x ≠ 0, what is the value for x in the equation 2x/(4 + 2x) = 6x/(8x  

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

Bunuel

2

67

11 Feb 2019, 03:25

View the latest post selim

ER
View first unread post Which of the following is the length, in inches, of the remaining side  

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

Bunuel

1

56

11 Feb 2019, 03:23

View the latest post GMATinsight

ER
View first unread post In triangle STR, angle TSR measures 45 degrees and angle SRT is a righ  

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

Bunuel

1

100

11 Feb 2019, 03:22

View the latest post GMATinsight

ER
View first unread post What is the distance in units of a line segment that connects the orig  

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

Bunuel

1

54

11 Feb 2019, 03:20

View the latest post GMATinsight

28
ER
View first unread post Attachment(s) The triangles in the figure above are equilateral and the  

Tags: Difficulty: 700-Level,  Geometry

jimmylow

13

11857

11 Feb 2019, 03:09

View the latest post VeritasKarishma

23
ER
View first unread post Three medical experts, working together at the same constant rate, can  

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

Bunuel

9

3493

11 Feb 2019, 03:09

View the latest post bumpbot

2
ER
View first unread post Twin primes are defined as prime numbers that can be express  

Tags: Difficulty: Sub-600 Level,  Number Properties

enigma123

2

7910

11 Feb 2019, 02:26

View the latest post bumpbot

1
ER
View first unread post Attachment(s) One-third of all U. S. taxpayers may deduct charitable contributions  

Tags: Difficulty: 700-Level,  Overlapping Sets,  Source: Other - Please specify

Bunuel

1

72

11 Feb 2019, 02:23

View the latest post Archit3110

1
ER
View first unread post Which of the following lists Sets I, II, and III in order from least  

Tags: Difficulty: 600-700 Level,  Statistics and Sets Problems,  Source: Other - Please specify

Bunuel

1

57

11 Feb 2019, 02:14

View the latest post Archit3110

ER
View first unread post Some fourth-graders are choosing foursquare teams at recess. What is  

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

Bunuel

1

89

11 Feb 2019, 02:08

View the latest post Archit3110

ER
View first unread post Attachment(s) Given the Venn diagram, what are the number of elements in the interse  

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

Bunuel

1

46

11 Feb 2019, 02:02

View the latest post vikas9945

14
ER
View first unread post In the rectangular coordinate system, a line passes through the points  

Tags: Difficulty: 600-700 Level,  Coordinate Geometry,  Source: Manhattan GMAT

manalq8

6

8422

11 Feb 2019, 02:01

View the latest post VeritasKarishma

1
ER
View first unread post To Ell a larger concert hall, a madrigal singing group consisting of  

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

Bunuel

4

149

11 Feb 2019, 01:54

View the latest post KanishkM

1
ER
View first unread post Attachment(s) The preceding figure shows a cube with an edge that measures 10 inches  

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

Bunuel

2

95

11 Feb 2019, 01:53

View the latest post eswarchethu135

ER
View first unread post Attachment(s) In the preceding figure, AB is 6 units long, AC is 8 units long, and B  

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

Bunuel

1

78

11 Feb 2019, 01:49

View the latest post Archit3110

ER
View first unread post Attachment(s) In the preceding figure, square ABCD has sides the length of 4 units,  

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

Bunuel

2

85

11 Feb 2019, 01:48

View the latest post eswarchethu135

ER
View first unread post What is the equation of a line with a slope -3/4 and a y-intercept of  

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

Bunuel

1

48

11 Feb 2019, 01:45

View the latest post NandishSS

ER
View first unread post Attachment(s) In the preceding figure, A and B lie on the circle with center C. CA  

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

Bunuel

1

69

11 Feb 2019, 01:44

View the latest post Archit3110

50
ER
View first unread post For x < 0. Simplify {-(x + 1) |x-1| + 1}^1/2?  

Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Algebra

Vamshi8411

12

7599

11 Feb 2019, 01:42

View the latest post KanishkM

ER
View first unread post There are two dock workers, Alf and Bob. Alf can load 16 tons of steel  

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

Bunuel

1

61

11 Feb 2019, 01:38

View the latest post Archit3110

ER
View first unread post Attachment(s) Triangle RTS and triangle ACB in the preceding figure are similar righ  

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

Bunuel

2

71

11 Feb 2019, 01:37

View the latest post KanishkM

ER
View first unread post Abby can run a mile in seven minutes. How long does it take her to run  

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

Bunuel

1

73

11 Feb 2019, 01:31

View the latest post Archit3110

1
ER
View first unread post If 512^(1/n) = 4*2^(1/n), then n = ?  

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

Bunuel

2

115

11 Feb 2019, 01:23

View the latest post Archit3110

1
ER
View first unread post Attachment(s) The table above shows present rates and proposed rates for electricity  

Tags: Difficulty: 600-700 Level,  Word Problems,  Source: OG 1988,  Source: Official Guide [Pre-2000]

HKD1710

3

252

11 Feb 2019, 01:14

View the latest post VeritasKarishma

ER
View first unread post What is 75% of 7 1/4 ?  

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

Bunuel

1

88

11 Feb 2019, 01:11

View the latest post Archit3110

ER
View first unread post Attachment(s) In the preceding figure, line m is parallel to line n and line t is a  

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

Bunuel

1

69

11 Feb 2019, 01:08

View the latest post NandishSS

ER
View first unread post If the ratio of 4a to 9b is 1 to 9, what is the ratio of 8a to 9b?  

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

Bunuel

2

95

11 Feb 2019, 00:47

View the latest post pkithania

ER
View first unread post If f(x) = (x - 2)^2, find the value of f(2x – 2).  

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

Bunuel

1

55

11 Feb 2019, 00:43

View the latest post Archit3110

ER
View first unread post If g(x) = 2x^2 + 17, what is g(12)?  

Tags: Difficulty: Sub-600 Level,  Functions and Custom Characters,  Source: Other - Please specify

Bunuel

1

45

11 Feb 2019, 00:41

View the latest post Archit3110

ER
View first unread post When the polynomials 3x + 4 and x – 5 are multiplied together and writ  

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

Bunuel

1

51

11 Feb 2019, 00:40

View the latest post Archit3110

ER
View first unread post For all x, 12x - (-10x) - 3x(-x + 10) = ?  

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

Bunuel

1

44

11 Feb 2019, 00:38

View the latest post Archit3110

1
ER
View first unread post What is the sum of the digits of the number (2^{2018})(5^{2019})(3^2)?  

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

MathRevolution

5

166

11 Feb 2019, 00:12

View the latest post Archit3110

2
View first unread post Of the following, which is closest to the increase from 1975 to 1980  

Tags: Difficulty: 600-700 Level,  Graphs and Illustrations,  Source: OG 1988,  Source: Official Guide [Pre-2000]

HKD1710

4

315

10 Feb 2019, 23:25

View the latest post KanishkM

2
View first unread post The regular hourly wage for an employee of a certain factory is $5.60.  

Tags: Difficulty: Sub-600 Level,  Work/Rate Problems,  Source: OG 1988,  Source: Official Guide [Pre-2000]

HKD1710

2

267

10 Feb 2019, 23:15

View the latest post KanishkM

7
ER
View first unread post An instructor scored a student’s test of 50 questions by subtracting 2  

Tags: Difficulty: 600-700 Level,  Word Problems,  Source: OG 1988,  Source: Official Guide [Pre-2000]

Acer86

14

2796

10 Feb 2019, 23:07

View the latest post KanishkM

7
ER
View first unread post What is the least possible product of 4 different integers  

Tags: Difficulty: Sub-600 Level,  Arithmetic,  Min/Max Problems,  Source: GMAT Paper Tests,  Source: OG 1988,  Source: Official Guide [Pre-2000]

Acer86

11

3371

10 Feb 2019, 23:04

View the latest post KanishkM

7
ER
View first unread post Which of the following integers does NOT have a divisor greater than 1  

Tags: Difficulty: 600-700 Level,  Divisibility/Multiples/Factors,  Number Properties,  Source: OG 1988,  Source: Official Guide [Pre-2000]

Acer86

7

3216

10 Feb 2019, 23:00

View the latest post KanishkM

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