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# Data Sufficiency (DS)

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Announcements

294
ER
 150 Hardest and easiest questions for DS   Tags:
Bunuel

9

40013

24 Aug 2017, 21:58

658
ER
 DS Question Directory by Topic and Difficulty   Tags: Coordinate Geometry
bb

0

187502

07 Mar 2012, 08:58

Topics

1474
ER
 Inequality and absolute value questions from my collection   Go to page: 1 ... 22, 23, 24 Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Inequalities
Bunuel

461

230719

21 Nov 2017, 01:58

441
ER
 The Discreet Charm of the DS
Bunuel

200

91712

07 Nov 2017, 10:23

474
ER
 New Set: Number Properties!!!   Go to page: 1 ... 8, 9, 10 Tags: Difficulty: 600-700 Level,  Number Properties,  Source: GMAT Club Tests
Bunuel

193

71734

25 Sep 2017, 23:47

487
ER
 Devil's Dozen!!!
Bunuel

153

86499

30 Jun 2017, 05:17

319
ER
 New DS set!!!
Bunuel

138

52180

30 Apr 2017, 23:24

11
ER
 If ab≠0 and points (-a,b) and (-b,a) are in the same   Go to page: 1 ... 5, 6, 7 Tags: Difficulty: 700-Level,  Coordinate Geometry,  Source: GMAT Prep
yaron

134

9270

15 Aug 2011, 12:20

38
ER
 A school administrator will assign each student in a group   Go to page: 1 ... 4, 5, 6 Tags: Difficulty: 700-Level,  Divisibility/Multiples/Factors,  Number Properties,  Source: Official Guide
nakib77

112

16598

29 Sep 2011, 07:08

364
ER
 NEW!!! Tough and tricky exponents and roots questions   Go to page: 1, 2, 3, 4, 5 Tags: Difficulty: Sub-600 Level,  Algebra,  Exponents/Powers,  Roots
Bunuel

99

60210

13 Nov 2017, 21:46

121
ER
 The sum of n consecutive positive integers is 45   Go to page: 1, 2, 3, 4, 5 Tags: Difficulty: Sub-600 Level,  Number Properties
Bunuel

92

52878

20 Sep 2017, 04:58

233
ER
 If x is not equal to 0, is |x| less than 1? (1) x/|x|< x   Go to page: 1, 2, 3, 4, 5 Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Source: Economist GMAT Tutor
Hussain15

84

59936

15 Oct 2017, 21:17

4
ER
 Is x+y < 1 ? (1) x < 8/9 (2) y < 1/8   Go to page: 1, 2, 3, 4 Tags: Difficulty: 600-700 Level,  Inequalities,  Source: GMAT Prep
vivek123

79

6164

20 Sep 2011, 03:40

73
ER
 Collection of 12 DS questions   Go to page: 1, 2, 3, 4 Tags: Difficulty: Sub-600 Level,  Number Properties,  Remainders,  Word Problems
Bunuel

78

39682

25 Apr 2013, 11:19

339
ER
 Are x and y both positive? (1) 2x-2y = 1 (2) x/y > 1   Go to page: 1, 2, 3, 4 Tags: Difficulty: 700-Level,  Inequalities,  Source: GMAT Prep
Manbehindthecurtain

77

94340

22 Oct 2017, 08:28

192
ER
 Is |x - y| > |x| - |y|? (1) y < x (2) xy < 0   Go to page: 1, 2, 3, 4 Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Inequalities,  Source: GMAT Prep
study

71

34237

12 Mar 2017, 20:53

29
ER
 If d is a positive integer and f is the product of the first   Go to page: 1, 2, 3, 4 Tags: Difficulty: 700-Level,  Number Properties,  Source: GMAT Prep
zoom

69

9848

29 Sep 2011, 07:15

198
ER
 If 20 Swiss Francs is enough to buy 9 notebooks and 3   Go to page: 1, 2, 3, 4 Tags: Difficulty: 700-Level,  Inequalities,  Word Problems
Hussain15

68

32896

09 Nov 2017, 21:29

217
ER
 Of the 60 animals on a certain farm, 2/3 are either cows or
DenisSh

67

59025

23 Jul 2017, 05:29

136
ER
 Is A positive? x^2-2x+A is positive for all x Ax^2+1 is   Go to page: 1, 2, 3, 4 Tags: Difficulty: 700-Level,  Algebra,  Source: GMAT Club Tests
noboru

66

14769

01 Aug 2017, 13:17

67
ER
 If x^2 = y^2, is true that x>0?   Go to page: 1, 2, 3, 4 Tags: Difficulty: 700-Level,  Inequalities,  Source: GMAT Prep QP1
burnttwinky

64

16973

19 Nov 2017, 23:37

6
ER
 If x and y are integers and x > 0; is y > 0 ?   Go to page: 1, 2, 3, 4 Tags: Difficulty: 600-700 Level,  Inequalities,  Source: GMAT Paper Tests
copper_waters

63

9131

08 Sep 2011, 19:12

105
ER
 Are x and y both positive? (1) 2x - 2y = 1 (2) x/y > 1   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Inequalities,  Source: GMAT Prep
LM

57

19759

15 Jul 2017, 22:46

186
ER
 What is the volume of a certain rectangular solid?   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Geometry,  Source: Official Guide
amod243

55

27005

30 Aug 2017, 07:02

312
ER
 The annual rent collected by a corporation from a certain   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Percent and Interest Problems,  Source: Official Guide
thanks

54

32839

17 Jan 2017, 19:14

81
ER
 If vertices of a triangle have coordinates (-1,0), (4,0),   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Geometry
gmat620

54

19544

28 Aug 2017, 13:19

584
ER
 Train A leaves New York for Boston at 3 PM and travels at   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Distance/Rate Problems
rohitgoel15

51

56451

25 Sep 2017, 21:26

103
ER
 Collection of 8 DS questions
Bunuel

50

38586

22 Jun 2014, 15:56

175
ER
 Is x > 0? (1) |x + 3| = 4x – 3 (2) |x – 3| = |2x – 3|   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Inequalities
dvinoth86

50

28584

22 Dec 2016, 19:55

120
ER
 What is the value of y?   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Source: Manhattan GMAT
dvinoth86

49

30080

22 Sep 2017, 10:22

370
ER
 If x is an integer, what is the value of x? (1) x^2 - 4x + 3   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Inequalities,  Source: Official Guide
dimitri92

49

39999

04 Aug 2017, 13:09

84
ER
 Is x^2 + y^2 > 100?   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Algebra,  Exponents/Powers,  Source: Veritas Prep
arvindg

49

17885

25 Sep 2017, 02:54

110
ER
 What is the perimeter of PQRS ? (1) x = 30 degree   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Geometry
Asifpirlo

46

15673

23 Nov 2017, 04:38

14
ER
 If m is an integer, is m odd?   Go to page: 1, 2, 3 Tags: Difficulty: 600-700 Level,  Number Properties,  Source: Official Guide
sudhagar

46

4544

01 Dec 2011, 00:00

163
ER
 If x and y are positive integers, what is the greatest   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Divisibility/Multiples/Factors,  Source: Manhattan GMAT
zest4mba

46

16800

17 Oct 2017, 07:30

12
ER
 If m, p, and t are positive integers and m < p < t, is   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Arithmetic,  Number Properties,  Source: Official Guide
getzgetzu

46

4767

11 Apr 2012, 15:07

13
 If x and y are integers greater than 1, is x a multiple of   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Divisibility/Multiples/Factors,  Source: GMAT Prep
themagiccarpet

45

5394

01 Oct 2011, 01:59

109
ER
 DS questions about standard deviation   Go to page: 1, 2, 3 Tags: Difficulty: Sub-600 Level,  Statistics and Sets Problems
Bunuel

45

49451

29 Oct 2017, 20:31

331
ER
 In the xy-plane, region R consists of all the points (x, y)   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Coordinate Geometry,  Inequalities,  Source: Official Guide
metallicafan

45

36028

27 Aug 2017, 10:27

4
 Is A positive?   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Algebra,  Source: GMAT Club Tests
Himalayan

44

7345

06 Sep 2011, 08:47

2
 If x and y are positive, is 3x > 7y? (1) x > y + 4 (2)   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Inequalities
ankur55

43

6891

05 Sep 2011, 23:30

132
ER
 Is x > 1?   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Inequalities,  Source: GMAT Prep QP1
enigma123

42

16592

13 Apr 2017, 20:48

409
ER
 On the number line shown, is zero halfway between r and s ?   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Coordinate Geometry,  Source: GMAT Prep
DenisSh

42

50814

26 Oct 2017, 17:52

13
ER
 What is the value of x?   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Absolute Values/Modulus
Hussain15

42

5291

06 Sep 2017, 03:26

189
ER
 Joanna bought only \$0.15 stamps and \$0.29 stamps. How many   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Arithmetic,  Word Problems,  Source: Official Guide
udaymathapati

42

30265

23 Feb 2017, 05:45

97
ER
 Is |x| = y - z ? (1) x + y = z (2) x < 0   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Inequalities,  Source: Manhattan GMAT
DenisSh

42

18624

31 Aug 2017, 08:59

113
ER
 If vertices of a triangle have coordinates (-2,2), (3,2) and
noboru

40

19664

11 Aug 2017, 00:08

111
ER
 Is |x| < 1? (1) |x + 1| = 2|x - 1| (2) |x - 3| 0   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Inequalities
yezz

40

27539

08 Nov 2017, 22:05

266
ER
 Is x > y ? (1) x^(1/2)>y (2) x^3>y   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Exponents/Powers,  Inequalities,  Roots,  Source: Manhattan GMAT
shrouded1

40

41391

18 Mar 2017, 20:32

92
ER
 Is |2a − 3b| < |a − b| + |a − 2b|   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Absolute Values/Modulus
Galiya

40

12262

04 Dec 2016, 02:29

52
ER
 What is the length of segment BC?   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Geometry,  Source: Manhattan GMAT
GMAT TIGER

40

22455

29 Oct 2017, 08:07

124
ER
 Bob and Wendy left home to walk together to a restaurant for   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Distance/Rate Problems,  Source: Power Prep
sondenso

40

21104

17 May 2015, 01:59

 new topic Question banks Downloads My Bookmarks Reviews Important topics Go to page  1   2   3   4   5   6   7   8   9   10   11  ...  214    Next Search for:

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