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# Data Sufficiency (DS)

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Announcements

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

9

39965

24 Aug 2017, 21:58

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

0

187344

07 Mar 2012, 08:58

Topics

95
ER
 Is xy > 0? (1) x - y > -2 (2) x - 2y < -6   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Inequalities,  Source: GMAT Prep
Baten80

29

34798

05 Mar 2017, 08:49

137
ER
 If [x] denotes the least integer greater than or equal to x
macwanjason

16

35011

19 Jul 2017, 09:36

203
ER
 Are at least 10 percent of the people in Country X who are
enigma123

24

35129

21 Sep 2017, 14:54

173
ER
 If x and y are integers greater than 1, is x a multiple of y
enigma123

16

35797

21 Nov 2017, 12:36

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

36012

27 Aug 2017, 10:27

129
ER
 Is m + z > 0 (1) m - 3z > 0 (2) 4z - m > 0   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Inequalities,  Source: GMAT Prep
smitakokne

29

36587

15 Oct 2017, 11:58

210
ER
 Six countries in a certain region sent a total of 75
LM

16

37145

12 Jan 2017, 18:09

57
ER
 What is the probability that a student randomly selected   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Overlapping Sets,  Probability,  Source: GMAT Prep EP 1
nocilis

29

37148

26 Sep 2017, 10:41

45
ER
 In isosceles triangle RST what is the measure of angle R?   Go to page: 1, 2 Tags: Difficulty: Sub-600 Level,  Geometry,  Source: GMAT Prep
gmatgg

20

37274

18 Jun 2017, 01:35

103
ER
 Collection of 8 DS questions
Bunuel

50

38575

22 Jun 2014, 15:56

15
ER
 Max (x,y) is defined as the maximum of x and y, and min(x,y)
GMATD11

4

39197

29 Oct 2017, 14:21

184
ER
 If n is a positive integer and r is the remainder when (n-1)
enigma123

9

39618

14 Sep 2017, 03:01

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

39667

25 Apr 2013, 11:19

369
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

39983

04 Aug 2017, 13:09

284
ER
 In the xy-plane , does the line with equation y = 3x + 2 contains the   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Coordinate Geometry,  Source: GMAT Prep
gaurav2k101

29

40932

01 Feb 2017, 08:06

131
ER
 Machines X and Y work at their respective constant rates
BANON

18

41144

27 Sep 2017, 09:58

337
ER
 In triangle ABC, point X is the midpoint of side AC and   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Geometry,  Source: Official Guide
yezz

27

41188

12 Sep 2017, 16:18

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

41360

18 Mar 2017, 20:32

104
ER
 For any integers x and y, min(x, y) and max(x, y) denote the
snkrhed

15

42961

01 Sep 2017, 16:05

183
ER
 On the number line, the distance between x and y is greater
jj97cornell

14

44372

31 Jul 2017, 16:43

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

45

49427

29 Oct 2017, 20:31

408
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

50770

26 Oct 2017, 17:52

176
ER
 In the figure shown, point O is the center of the semicircle   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Geometry,  Source: GMAT Prep
burnttwinky

31

51155

10 Aug 2017, 00:23

319
ER
 New DS set!!!
Bunuel

138

52163

30 Apr 2017, 23:24

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

52858

20 Sep 2017, 04:58

172
ER
 In the xy-plane, what is the y-intercept of line l?   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Coordinate Geometry,  Source: GMAT Prep
testprep2010

20

53310

26 Jul 2017, 16:23

319
ER
 If it took Carlos 1/2 hour to cycle from his house to   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Distance/Rate Problems,  Source: GMAT Prep
TomB

38

56003

19 Jun 2017, 16:59

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

56420

25 Sep 2017, 21:26

288
ER
 In the xy-plane, at what two points does the graph of
misterJJ2u

17

56586

17 Mar 2011, 22:27

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

67

58990

23 Jul 2017, 05:29

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

59900

15 Oct 2017, 21:17

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

60171

13 Nov 2017, 21:46

339
ER
 100 Hardest Data Sufficiency Questions   Go to page: 1, 2 Tags: Difficulty: 700-Level
Bunuel

20

70023

05 Aug 2017, 11:07

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

71694

25 Sep 2017, 23:47

318
ER
 In the figure shown, what is the value of x?   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Geometry,  Source: GMAT Prep
shorteverything

32

76459

29 Jul 2017, 16:46

487
ER
 Devil's Dozen!!!
Bunuel

153

86484

30 Jun 2017, 05:17

438
ER
 The Discreet Charm of the DS
Bunuel

200

91654

07 Nov 2017, 10:23

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

94276

22 Oct 2017, 08:28

152
ER
 If r and s are the roots of the equation x^2 + bx + c = 0   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Algebra,  Inequalities,  Source: Official Guide
asveaass

31

160366

28 Jul 2017, 01:46

1473
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

230650

21 Nov 2017, 01:58

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