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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  

Tags: Source: EMPOWERgmat

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

Tags: Difficulty: 700-Level

Bunuel

8

85847

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

655087

22 Feb 2012, 10:27

View the latest post bb

Topics

37
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

4628

03 Feb 2019, 02:52

View the latest post Gmatprep550

View first unread post AC , the diameter of a circle, is of length 10 cm.B and D ar  

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

tanyadayanand

0

14

15 Feb 2019, 10:40

View the latest post tanyadayanand

206
ER
View first unread post If n = 20! + 17, then n is divisible by which of the  

Go to page: 1, 2 Tags: Difficulty: Sub-600 Level,  Divisibility/Multiples/Factors,  Source: OG 2015,  Source: OG 2016,  Source: OG 2017,  Source: OG 2018,  Source: OG 2019,  Source: Official Guide

Walkabout

30

27151

15 Feb 2019, 10:39

View the latest post anmit123

14
ER
View first unread post There are two boxes A and B. In box A, there are 3 red marbles and  

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

broall

4

2259

15 Feb 2019, 09:56

View the latest post hiralk126

2
ER
View first unread post The expression ab+a is odd when the a and b are integers. Which of the  

Tags: Difficulty: Sub-600 Level,  Must or Could be True Questions,  Number Properties,  Source: Other - Please specify

Bunuel

5

1652

15 Feb 2019, 09:48

View the latest post GMATPrepNow

13
ER
View first unread post Attachment(s) If a rectangle with length sqrt(a) units and width sqrt(b)  

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

AccipiterQ

4

11979

15 Feb 2019, 09:39

View the latest post kchen1994

5
ER
View first unread post Attachment(s) In the figure above, a square is inscribed in a circle  

Tags: Difficulty: Sub-600 Level,  Geometry,  Source: GMAT Prep

bumblebee14

4

5826

15 Feb 2019, 09:13

View the latest post hsn81960

View first unread post If 17 labourers can dig a ditch 20 m long in 18 days, working 8 hours  

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

cfc198

1

45

15 Feb 2019, 08:49

View the latest post Afc0892

70
ER
View first unread post According to a certain estimate, the depth N(t), in centimeters, of  

Tags: Difficulty: Sub-600 Level,  Arithmetic,  Source: GMAT Paper Tests,  Source: OG 2016,  Source: OG 2017,  Source: OG 2018,  Source: OG 2019

Baten80

16

13493

15 Feb 2019, 08:07

View the latest post rjacobson99

9
ER
View first unread post Attachment(s) If ABC is an equilateral triangle and AB||CD, what fraction of the are  

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

Bunuel

4

1530

15 Feb 2019, 06:55

View the latest post KanishkM

14
ER
View first unread post Which of the following is NOT a prime factor of (5^6−2^6)?  

Tags: Difficulty: 700-Level,  Divisibility/Multiples/Factors,  Exponents/Powers,  Source: Veritas Prep

HarveyS

6

6514

15 Feb 2019, 06:49

View the latest post KanishkM

ER
View first unread post The number of organisms in a liter of water is approximately 6*10^23.  

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

Bunuel

6

204

15 Feb 2019, 05:34

View the latest post gmat1393

9
ER
View first unread post A car gets 30 miles to the gallon. If it is modified to use a solar  

Tags: Difficulty: 700-Level,  Distance/Rate Problems,  Source: 800 Score

Bunuel

11

2460

15 Feb 2019, 05:32

View the latest post GMATGuruNY

2
ER
View first unread post What is the value of (2^{2020} + 2^{2018}) / (2^{2020}-2^{2018})?  

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

MathRevolution

2

81

15 Feb 2019, 05:13

View the latest post GMATGuruNY

1
ER
View first unread post The Binary Ice Cream Shoppe sells two flavors, vanilla and chocolate.  

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

SajjadAhmad

2

104

15 Feb 2019, 04:32

View the latest post Archit3110

7
ER
View first unread post A distance of 600 km is to be covered using both Train & Bus.  

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

VeritasKarishma

7

267

15 Feb 2019, 02:48

View the latest post Vikas1211

22
ER
View first unread post Beth has a collection of 8 boxes of clothing for a charity, and the av  

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

Avigano

10

3328

15 Feb 2019, 02:26

View the latest post Henry S. Hudson Jr.

30
ER
View first unread post Anwar leaves home everyday at 4 p.m to pick his son from  

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

abhishekkhosla

15

8539

15 Feb 2019, 01:14

View the latest post GMATMBA5

22
ER
View first unread post Set X consists of eight consecutive integers. Set Y consists of all th  

Tags: Difficulty: 600-700 Level,  Number Properties,  Statistics and Sets Problems,  Source: OG 2019,  Source: Official Guide

Bunuel

7

3521

15 Feb 2019, 00:29

View the latest post KanishkM

1
ER
View first unread post To meet a government requirement, a bottler must test 5 percent of its  

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

vikasp99

4

1929

15 Feb 2019, 00:21

View the latest post bumpbot

ER
View first unread post How many integers between 18 and 3399 are multiples of 17?  

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

MathRevolution

5

157

15 Feb 2019, 00:20

View the latest post MathRevolution

33
ER
View first unread post Attachment(s) Suppose a “Secret Pair” number is a four-digit number in which two adj  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Combinations,  Source: Magoosh

mikemcgarry

23

3446

15 Feb 2019, 00:03

View the latest post Diwakar003

20
ER
View first unread post Attachment(s) The table shows partial results of a survey in which consumers were as  

Tags: Difficulty: 600-700 Level,  Fractions/Ratios/Decimals,  Percents and Interest Problems,  Source: OG 2019,  Source: Official Guide

Bunuel

4

2851

14 Feb 2019, 23:49

View the latest post KanishkM

306
ER
View first unread post The letters D, G, I, I , and T can be used to form 5-letter strings as  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Combinations,  Source: OG 2017,  Source: OG 2018,  Source: OG 2019,  Source: Official Guide

Bunuel

21

24864

14 Feb 2019, 23:47

View the latest post Debashis Roy

18
ER
View first unread post In a certain fraction, the denominator is 16 greater than the numerato  

Tags: Difficulty: 600-700 Level,  Fractions/Ratios/Decimals,  Percents and Interest Problems,  Source: OG 2019,  Source: Official Guide

Bunuel

9

3143

14 Feb 2019, 23:46

View the latest post KanishkM

5
ER
View first unread post If 25|x^2−5x−10|=100, then what is the sum of all the possible values  

Tags: Difficulty: 600-700 Level,  Absolute Values/Modulus,  Algebra

Bunuel

8

1172

14 Feb 2019, 23:33

View the latest post GMATinsight

View first unread post The remainder obtained when $(1 !)^2 + (2!)^2 + (3 !) ^2+ \dotsc + (10  

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

4d

1

54

14 Feb 2019, 22:30

View the latest post PKN

395
ER
View first unread post Attachment(s) If x/|x|<x which of the following must be true about x?  

Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Inequalities,  Must or Could be True Questions

nmohindru

57

47509

14 Feb 2019, 22:14

View the latest post alitariquet

1
ER
View first unread post In a certain task, a person has to fill an empty tank using four taps  

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

EgmatQuantExpert

4

130

14 Feb 2019, 21:40

View the latest post EgmatQuantExpert

62
ER
View first unread post Consider a sequence of numbers given by the expression 5 + (  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Number Properties,  Sequences

Marcab

25

6426

14 Feb 2019, 21:38

View the latest post bumpbot

ER
View first unread post When working independently, machine A can complete a piece of work in  

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

EgmatQuantExpert

4

120

14 Feb 2019, 21:36

View the latest post EgmatQuantExpert

5
ER
View first unread post P, Q and R can do a certain job in 10 hours, 12 hours and 15 hours  

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

EgmatQuantExpert

4

171

14 Feb 2019, 21:32

View the latest post EgmatQuantExpert

ER
View first unread post In the rectangular coordinate system, which of the above representatio  

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

fskilnik

3

135

14 Feb 2019, 20:41

View the latest post kenjiko

34
ER
View first unread post Set A consists of all even integers between 2 and 100  

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

punyadeep

9

13510

14 Feb 2019, 20:05

View the latest post VeritasKarishma

7
ER
View first unread post For what value of x does (−6)^x = 6^(9−x)?  

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

Bunuel

3

1184

14 Feb 2019, 19:51

View the latest post jfranciscocuencag

3
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

4

134

14 Feb 2019, 19:30

View the latest post kenjiko

1
ER
View first unread post Two trains fast and slow are going from city A to city B  

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

WABL

2

110

14 Feb 2019, 19:27

View the latest post pankajpaliitkgp

9
ER
View first unread post If √x=y, which of the following co  

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

EgmatQuantExpert

8

970

14 Feb 2019, 19:26

View the latest post jfranciscocuencag

3
ER
View first unread post If 4<=x<=6 and 2<=y<=3, then the minimum possible value of  

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

fskilnik

1

107

14 Feb 2019, 17:21

View the latest post fskilnik

4
ER
View first unread post Which of the following numbers is closest to 100*(11-sqrt(119)) ?  

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

fskilnik

3

107

14 Feb 2019, 17:11

View the latest post fskilnik

31
ER
View first unread post Attachment(s) Three points are chosen independently an at random on the circumferenc  

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

Bunuel

3

4248

14 Feb 2019, 17:02

View the latest post fskilnik

34
ER
View first unread post Attachment(s) A triangle with three equal sides is inscribed inside a  

Tags: Difficulty: 600-700 Level,  Geometry,  Source: Kaplan

TirthankarP

7

12262

14 Feb 2019, 13:30

View the latest post rcfarhat

3
ER
View first unread post At a school-wide athletic fair, five students won a combined total of  

Tags: Difficulty: 600-700 Level,  Min/Max Problems,  Source: Veritas Prep

Bunuel

7

694

14 Feb 2019, 12:08

View the latest post jojo95

82
ER
View first unread post AB + CD = AAA, where AB and CD are two-digit numbers and AAA is a thre  

Tags: Difficulty: 600-700 Level,  Arithmetic

navigator123

18

11121

14 Feb 2019, 12:02

View the latest post guhancr7

View first unread post A $240 interest-free loan is to be paid back in equal monthly payment  

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

SajjadAhmad

2

69

14 Feb 2019, 10:40

View the latest post Nidheesha

4
ER
View first unread post A group of x people is practicing levitation yoga. One-fourth of the  

Tags: Difficulty: Sub-600 Level,  Word Problems,  Source: Economist GMAT Tutor

Bunuel

9

969

14 Feb 2019, 10:35

View the latest post KanishkM

1
ER
View first unread post Attachment(s) If AB is the diameter of the circle with center X and C is a point on  

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

SajjadAhmad

2

141

14 Feb 2019, 10:30

View the latest post Archit3110

3
ER
View first unread post A, B and C can do a work in 6, 8, 12 days respectively. B and C work t  

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

Bunuel

6

732

14 Feb 2019, 10:20

View the latest post Nidheesha

View first unread post If x^2 – 1 ≤ 8, what is the smallest real value x can have?  

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

AsadAbu

2

67

14 Feb 2019, 10:01

View the latest post Nidheesha

View first unread post p is 6 times as large as q. The % that q is less than p , is:  

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

selim

5

126

14 Feb 2019, 09:56

View the latest post Nidheesha

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