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# Data Sufficiency (DS)

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Announcements

291
ER
 150 Hardest and easiest questions for DS   Tags:
Bunuel

9

39815

24 Aug 2017, 21:58

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

0

186898

07 Mar 2012, 08:58

Topics

179
ER
 If a rectangular region has perimeter P inches and area A sq   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Geometry,  Source: GMAT Prep EP 1
olifurlong

24

25073

17 Jul 2017, 06:47

182
ER
 Each employee of Company Z is an employee of either division   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Fractions/Ratios/Decimals,  Word Problems,  Source: GMAT Prep
GMATBLACKBELT

36

26245

19 Oct 2017, 09:42

182
ER
 On the number line, the distance between x and y is greater
jj97cornell

14

44258

31 Jul 2017, 16:43

182
ER
 If n is a positive integer and r is the remainder when (n-1)
enigma123

9

39515

14 Sep 2017, 03:01

183
ER
 If arc PQR above is a semicircle, what is the length of diameter PR ?

17

18619

15 Aug 2017, 10:05

184
ER
 List M (not shown) consists of 8 different integers, each
pnf619

14

17272

01 Oct 2017, 08:54

185
ER
 At a certain company, a test was given to a group of men and women see   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Statistics and Sets Problems,  Source: Official Guide
rajman41

27

18757

01 Jul 2017, 23:01

185
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

26942

30 Aug 2017, 07:02

188
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

30208

23 Feb 2017, 05:45

188
ER
 Jane can paint the wall in J hours, and Bill can paint the   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Word Problems,  Work/Rate Problems
Bunuel

23

18853

03 Dec 2016, 12:36

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

34153

12 Mar 2017, 20:53

194
ER
 Reiko drove from point A to point B at a constant speed, and   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Distance/Rate Problems,  Source: Manhattan GMAT
deepakrobi

30

20069

26 Dec 2016, 08:14

198
ER
 Each employee of a certain task force is either a manager or   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Mixture Problems,  Word Problems,  Source: GMAT Prep
achan

26

31751

30 Jan 2017, 18:03

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

32867

09 Nov 2017, 21:29

202
ER
 In the figure above, is the area of triangular region ABC   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Geometry,  Source: Official Guide
jfk

36

31024

06 Jul 2017, 10:32

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

24

35035

21 Sep 2017, 14:54

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

16

37063

12 Jan 2017, 18:09

215
ER
 Does the integer k have a factor p such that 1 < p < k ?
gmatcracker2010

37

28453

18 Nov 2017, 10:05

216
ER
 Of the 60 animals on a certain farm, 2/3 are either cows or
DenisSh

67

58852

23 Jul 2017, 05:29

228
ER
 Each of the 25 balls in a certain box is either red, blue or   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Overlapping Sets,  Probability,  Source: GMAT Prep
lexis

37

31039

10 Oct 2017, 09:55

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

59764

15 Oct 2017, 21:17

238
ER
 The table below shows the results of a survey of 100 voters   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Overlapping Sets,  Source: Official Guide
samrand

35

30795

12 Aug 2017, 06:57

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

41298

18 Mar 2017, 20:32

283
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

40855

01 Feb 2017, 08:06

286
ER
 In the xy-plane, at what two points does the graph of
misterJJ2u

17

56459

17 Mar 2011, 22:27

291
ER
 If p, x, and y are positive integers, y is odd, and p = x^2   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Divisibility/Multiples/Factors,  Number Properties,  Remainders
netcaesar

32

21365

15 Nov 2017, 12:00

298
ER
 A school administrator will assign each student in a group
gwiz87

38

29936

28 Jul 2017, 01:23

307
ER
 w, x, y, and z are integers. If w >x>y>z>0, is y a common
enigma123

23

24196

09 Aug 2017, 22:30

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

32774

17 Jan 2017, 19:14

314
ER
 Machines X and V produced identical bottles at different
cgl7780

18

25190

17 Nov 2017, 21:25

315
ER
 New DS set!!!
Bunuel

138

52027

30 Apr 2017, 23:24

317
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

76213

29 Jul 2017, 16:46

317
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

55927

19 Jun 2017, 16:59

327
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

35942

27 Aug 2017, 10:27

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

41009

12 Sep 2017, 16:18

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

94071

22 Oct 2017, 08:28

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

20

69954

05 Aug 2017, 11:07

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

60047

13 Nov 2017, 21:46

368
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

39910

04 Aug 2017, 13:09

407
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

50664

26 Oct 2017, 17:52

438
ER
 The Discreet Charm of the DS
Bunuel

200

91504

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

71559

25 Sep 2017, 23:47

486
ER
 Devil's Dozen!!!
Bunuel

153

86353

30 Jun 2017, 05:17

581
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

56312

25 Sep 2017, 21:26

1472
ER
 Inequality and absolute value questions from my collection   Go to page: 1 ... 21, 22, 23 Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Inequalities
Bunuel

458

230065

16 Nov 2017, 23:29

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