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# Data Sufficiency (DS)

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Announcements

299
ER
 150 Hardest and easiest questions for DS   Tags:
Bunuel

9

40933

24 Aug 2017, 20:58

659
ER
 DS Question Directory by Topic and Difficulty   Tags: Coordinate Geometry
bb

0

190404

07 Mar 2012, 07:58

Topics

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

39872

25 Apr 2013, 10:19

348
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

79

95811

04 Dec 2017, 22:45

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

6226

20 Sep 2011, 02:40

238
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

87

61008

29 Nov 2017, 07:52

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

53334

20 Sep 2017, 03:58

368
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

61027

13 Nov 2017, 20:46

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

16725

29 Sep 2011, 06:08

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

132

9339

15 Aug 2011, 11:20

322
ER
 New DS set!!!
Bunuel

139

53148

03 Dec 2017, 09:49

488
ER
 Devil's Dozen!!!
Bunuel

153

87060

30 Jun 2017, 04:17

491
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

72815

25 Sep 2017, 22:47

447
ER
 The Discreet Charm of the DS
Bunuel

200

92728

07 Nov 2017, 09:23

1489
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

233332

21 Nov 2017, 00:58

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