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GMAT Data Sufficiency (DS)

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Announcements

170
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View first unread post 150 Hardest and easiest questions for DS  

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Bunuel

4

26027

28 Dec 2016, 09:49

bumpbot

521
Experts publish their posts in the topic
View first unread post DS Question Directory by Topic and Difficulty  

Tags: Coordinate Geometry

bb

0

153906

07 Mar 2012, 08:58

bb

Topics

40
Experts publish their posts in the topic
View first unread post 16 horses can haul a load of lumber in 24 minutes. 12 horses  

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

daviesj

17

4636

01 Aug 2016, 04:01

LogicGuru1

40
Experts publish their posts in the topic
View first unread post Attachment(s) In the xy-coordinate plane, line l and line k intersect at  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Coordinate Geometry,  Source: GMAT Prep

M8

21

6435

09 Jun 2016, 23:26

MathRevolution

40
Experts publish their posts in the topic
View first unread post Attachment(s) If x^2 = y + 5 , y = z - 2 and z = 2x , is x^3 + y^2 + z  

Tags: Difficulty: 700-Level,  Algebra,  Divisibility/Multiples/Factors,  Source: GMAT Club Tests

study

15

10436

21 Aug 2016, 10:34

abhimahna

40
Experts publish their posts in the topic
View first unread post Is x^2*y^4 an integer divisible by 9 ?  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Divisibility/Multiples/Factors,  Number Properties,  Source: GMAT Club Tests

seekmba

20

8671

05 Jan 2017, 04:24

bumpbot

40
Experts publish their posts in the topic
View first unread post Attachment(s) Of the students who eat in a certain cafeteria, each student  

Tags: Difficulty: 700-Level,  Overlapping Sets,  Source: GMAT Prep

gregspirited

8

18146

03 Nov 2013, 14:08

Bunuel

40
Experts publish their posts in the topic
View first unread post x is an integer and x raised to any odd integer is greater  

Tags: Difficulty: 700-Level,  Algebra,  Exponents/Powers,  Source: Official Guide

ykaiim

17

6652

09 Dec 2016, 07:04

Nasahtahir

40
Experts publish their posts in the topic
View first unread post Circle O is inscribed in equilateral triangle ABC, which is  

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

Hussain15

19

7162

16 Feb 2017, 19:36

bumpbot

39
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View first unread post Attachment(s) K is a set of numbers such that (i) If x is in K, then -x  

Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Arithmetic,  Statistics and Sets Problems,  Source: Official Guide

afyl128

28

13507

18 Sep 2016, 09:30

Bunuel

39
Experts publish their posts in the topic
View first unread post If x and y are non-zero integers and |x| + |y| = 32, what is  

Tags: Difficulty: 700-Level,  Absolute Values/Modules,  Source: Manhattan GMAT

devinawilliam83

15

11232

03 Dec 2016, 10:33

Bunuel

39
Experts publish their posts in the topic
View first unread post What is the total number of coins that Bert and Claire have?  

Tags: Difficulty: 600-700 Level,  Word Problems,  Source: Official Guide

Bunuel

19

8105

27 Mar 2017, 12:25

bumpbot

39
Experts publish their posts in the topic
View first unread post Attachment(s) In the xy plane, at what points does the graph of y=  

Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Coordinate Geometry,  Source: GMAT Prep

JimmyWorld

35

14852

14 Oct 2016, 21:12

AmritaSarkar89

39
Experts publish their posts in the topic
View first unread post Attachment(s) In the xy-plane, points A, B and C are not on the same line.  

Tags: Difficulty: 600-700 Level,  Coordinate Geometry,  Source: GMAT Prep QP1

fozzzy

16

8505

12 Jul 2016, 01:53

sairam595

39
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View first unread post Are at least 10 percent of the people in Country X who are  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Overlapping Sets,  Word Problems,  Source: GMAT Prep

study

23

14568

02 Mar 2017, 11:26

bumpbot

39
Experts publish their posts in the topic
View first unread post If the square root of the product of three distinct positive  

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

Bunuel

16

9670

21 Feb 2017, 03:54

Alexey1989x

39
Experts publish their posts in the topic
View first unread post Attachment(s) Each member of a pack of 55 wolves has either brown or blue  

Tags: Difficulty: 700-Level,  Overlapping Sets,  Source: Kaplan

LalaB

15

6568

23 Mar 2017, 16:47

Nunuboy1994

39
View first unread post Attachment(s) Of all the attendees at a dinner party, 40% were women. If  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Overlapping Sets

mm007

22

9343

20 Jun 2016, 01:49

Rosebm

39
Experts publish their posts in the topic
View first unread post Attachment(s) If a loan of P dollars, at an interest rate of r percent...  

Tags: Difficulty: Sub-600 Level,  Percent and Interest Problems,  Word Problems,  Source: GMAT Prep EP 1

NeverSurrender

12

12849

23 Mar 2017, 15:47

Cez005

39
Experts publish their posts in the topic
View first unread post If there are more than two numbers in a certain list, is  

Tags: Difficulty: 600-700 Level,  Statistics and Sets Problems,  Source: GMAT Prep

devinawilliam83

12

12529

29 Mar 2017, 08:00

Bunuel

39
Experts publish their posts in the topic
View first unread post Attachment(s) In a survey of 200 college graduates, 30 percent said they  

Tags: Difficulty: 600-700 Level,  Overlapping Sets,  Source: Official Guide

udaymathapati

11

12432

23 Nov 2016, 19:30

bumpbot

39
Experts publish their posts in the topic
View first unread post A list contains twenty integers, not necessarily distinct.  

Tags: Difficulty: 700-Level,  Overlapping Sets,  Statistics and Sets Problems,  Source: Manhattan GMAT

honchos

14

4303

18 May 2016, 01:31

jlsevasion

39
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View first unread post Is x% of x% of y equal to x% less than y ? (1) x(x + 100) =  

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

zisis

20

7000

17 Jan 2017, 07:57

bumpbot

39
Experts publish their posts in the topic
View first unread post Attachment(s) Math Revolution and GMAT Club Contest! If |3x| > |4y|, is x > y?  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Absolute Values/Modules,  Inequalities,  Source: Math Revolution

Bunuel

34

2809

14 Dec 2015, 08:58

Bunuel

39
Experts publish their posts in the topic
View first unread post What is the greatest common factor of x and y ?  

Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Divisibility/Multiples/Factors,  Number Properties

maryann

22

10179

11 Jul 2016, 09:19

LogicGuru1

38
Experts publish their posts in the topic
View first unread post Attachment(s) If x and y are positive integers such that x = 8y + 12, what  

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

rafi

14

4579

24 Oct 2016, 05:20

bumpbot

38
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View first unread post 70 75 80 85 90 105 105 130 130 130 The list shown consist of  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Statistics and Sets Problems,  Source: GMAT Prep

sushma0805

27

10718

15 Oct 2016, 03:05

bumpbot

38
Experts publish their posts in the topic
View first unread post A train runs over a straight route from town A to town D. It is schedu  

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

Bunuel

13

1329

20 Mar 2017, 02:21

clove

38
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View first unread post Attachment(s) A rectangle is plotted on the standard coordinate plane  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Coordinate Geometry,  Source: Grockit

guygmat

29

10112

02 Mar 2017, 21:35

bumpbot

38
Experts publish their posts in the topic
View first unread post If n is a positive integer, is (1/10)^n < 0.01?  

Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Exponents/Powers,  Inequalities,  Source: Official Guide

tkaelle

22

13252

14 Feb 2017, 09:07

Ndkms

38
Experts publish their posts in the topic
View first unread post If m is a positive integer, then m^3 has how many digits?  

Tags: Difficulty: 700-Level,  Fractions/Ratios/Decimals,  Source: Official Guide

Bunuel

11

4381

21 Sep 2016, 08:51

bumpbot

38
Experts publish their posts in the topic
View first unread post If Carmen had 12 more tapes, she would have twice as many  

Tags: Difficulty: 700-Level,  Word Problems,  Source: Official Guide

nina11

11

6672

23 Feb 2017, 05:53

ByjusGMATapp

38
Experts publish their posts in the topic
View first unread post Attachment(s) If a, b and c are integers such that b > a, is b+c > a  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Geometry,  Inequalities

sondenso

22

16120

28 Mar 2017, 08:12

bumpbot

38
Experts publish their posts in the topic
View first unread post If x, y, and z are integers, and x < y < z, is z y = y  

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

kairoshan

17

5357

04 Jul 2016, 11:55

TheMechanic

38
Experts publish their posts in the topic
View first unread post Attachment(s) What is the value of x + y in the figure above?  

Tags: Difficulty: 600-700 Level,  Geometry,  Statistics and Sets Problems,  Source: Official Guide

Walkabout

4

6236

13 Feb 2016, 13:15

Dienekes

38
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View first unread post Math Revolution and GMAT Club Contest! For positive integers a and b,  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Remainders,  Source: Math Revolution

Bunuel

26

2546

05 Mar 2017, 23:03

bumpbot

38
Experts publish their posts in the topic
View first unread post If a and b are both positive integers, is b^(a+1) - ba^b  

Tags: Difficulty: 700-Level,  Algebra,  Number Properties,  Source: Manhattan GMAT

Warlock007

15

9803

23 Dec 2015, 23:24

MathRevolution

38
Experts publish their posts in the topic
View first unread post If k is a positive integer, is k the square of an integer?  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Divisibility/Multiples/Factors,  Number Properties,  Source: GMAT Paper Tests

tarek99

20

8999

22 Jul 2016, 13:11

bumpbot

37
Experts publish their posts in the topic
View first unread post If 5a=9b=15c, what is the value of a+b+c?  

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

jabronyo

20

6338

04 Jan 2017, 10:11

bumpbot

37
Experts publish their posts in the topic
View first unread post Juan bought some paperback books that cost $8 each and some  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Word Problems

neeraj.kaushal

20

8048

05 Feb 2017, 00:44

anairamitch1804

37
Experts publish their posts in the topic
View first unread post Attachment(s) If x and y are positive, is x < 10 < y?  

Tags: Difficulty: 600-700 Level,  Inequalities,  Source: Official Guide

Bunuel

17

10421

22 May 2016, 15:30

glt13

37
Experts publish their posts in the topic
View first unread post Attachment(s) If arc PQR above is a semicircle, what is the length of  

Tags: Difficulty: 700-Level,  Geometry

christoph

19

10977

22 Dec 2012, 05:18

Bunuel

37
Experts publish their posts in the topic
View first unread post Eunice sold several cakes. If each cake sold for either  

Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Arithmetic,  Word Problems,  Source: Official Guide

gmatpapa

23

9669

29 Mar 2017, 18:23

praneet87

37
Experts publish their posts in the topic
View first unread post What is the hundredths digit of the decimal z?  

Tags: Difficulty: 600-700 Level,  Fractions/Ratios/Decimals,  Source: GMAT Prep

LM

17

16278

19 Nov 2016, 01:46

stonecold

37
Experts publish their posts in the topic
View first unread post What is the probability that rs=r?  

Tags: Difficulty: 700-Level,  Probability,  Source: Princeton Review

Rs1991

16

3674

02 Feb 2017, 11:53

bumpbot

37
Experts publish their posts in the topic
View first unread post In the rectangular coordinate system, are the points (r,s)  

Tags: Difficulty: 700-Level,  Coordinate Geometry,  Source: GMAT Prep

calvinhobbes

17

7331

17 Feb 2017, 09:00

Bunuel

37
Experts publish their posts in the topic
View first unread post Is 4^(x+y)=8^(10) ?  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Exponents/Powers,  Source: Official Guide

Bunuel

33

14073

25 Aug 2016, 16:07

ScottTargetTestPrep

37
Experts publish their posts in the topic
View first unread post What is the value of x?  

Tags: Difficulty: 700-Level,  Algebra,  Number Properties

shan123

19

7343

26 Jun 2016, 05:14

bumpbot

37
Experts publish their posts in the topic
View first unread post Attachment(s) A group of men and women gathered to compete in a marathon.  

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

enigma123

19

9226

08 Dec 2016, 20:48

bumpbot

37
Experts publish their posts in the topic
View first unread post The numbers x and y are NOT integers. The value of x is  

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

ezinis

14

8674

21 Oct 2016, 11:10

bumpbot

37
Experts publish their posts in the topic
View first unread post If x^3-x=n and x is a positive integer greater than 1, is n  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Divisibility/Multiples/Factors,  Remainders,  Source: Manhattan GMAT

enigma123

20

12164

14 Jan 2017, 05:43

stonecold

37
Experts publish their posts in the topic
View first unread post If x is an integer, what is the value of x?  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Absolute Values/Modules,  Source: GMAT Pill

rohitgoel15

29

18351

08 May 2016, 02:17

Bunuel

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