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# Data Sufficiency (DS)

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Announcements

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

9

39688

24 Aug 2017, 21:58

657
ER
 DS Question Directory by Topic and Difficulty   Tags: Coordinate Geometry
bb

0

186554

07 Mar 2012, 08:58

Topics

117
ER
 Is n/18 an integer?
shinewine

35

16588

14 Oct 2017, 02:33

117
ER
 If d is a positive integer and f is the product of the first   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Number Properties,  Source: GMAT Prep
enigma123

24

16379

05 Sep 2017, 17:48

117
ER
 What is the average (arithmetic mean) of eleven consecutive
zz0vlb

15

22586

13 Mar 2017, 05:39

115
ER
 A certain salesman's yearly income is determined by a base salary plus
devinawilliam83

19

15926

09 Oct 2017, 23:27

114
ER
 If p is a positive odd integer, what is the remainder when p
BANON

13

24975

19 Jun 2017, 00:25

113
ER
 Is the positive two-digit integer N less than 40 ?

13

15213

08 Aug 2017, 09:08

113
ER
 Mary persuaded n friends to donate \$500 each to her election   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Word Problems,  Source: GMAT Prep
seofah

25

21532

12 Nov 2017, 09:07

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

40

19275

11 Aug 2017, 00:08

112
ER
 On a trolley ride around an amusement park, a child traveler
bulletpoint

7

17885

05 Sep 2017, 17:27

111
ER
 Is the positive integer N a perfect square? (1) The number
mbaMission

31

26002

26 Sep 2017, 03:42

111
ER
 For the students in class A, the range of their heights is r
BANON

23

24499

15 Oct 2017, 21:30

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

27317

08 Nov 2017, 22:05

111
ER
 Material A costs \$3 per kilogram, and Material B costs \$5 per kilogram   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Mixture Problems,  Source: Official Guide
alltimeacheiver

20

17220

23 Oct 2017, 05:19

111
ER
 If ab ≠ 0, is ab > a/b ?   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Inequalities,  Source: Manhattan GMAT
gmatquant25

23

13014

02 Feb 2017, 17:49

110
ER
 One kilogram of a certain coffee blend consists of x

12

15441

19 Jul 2017, 06:24

110
ER
 Six shipments of machine parts were shipped from a factory

9

13277

17 Dec 2016, 18:57

110
ER
 If x and y are integers, is x > y?   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Inequalities,  Source: Official Guide

20

16443

30 Apr 2017, 18:08

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

45

49320

29 Oct 2017, 20:31

109
ER
 Is the number of members of Club X greater than the number
TomB

18

17914

17 Aug 2017, 19:52

108
ER
 Warehouse W's revenue from the sale of sofas was what percen   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Percent and Interest Problems,  Source: GMAT Prep
young_gun

23

23440

06 Jul 2017, 18:31

107
ER
 If A
yezz

21

12207

07 Feb 2017, 21:08

107
ER
 What is the perimeter of PQRS ? (1) x = 30 degree   Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Geometry
Asifpirlo

49

15466

29 Jun 2017, 02:53

107
ER
 What is the hundredths digit of th decimal Z?
mydreammba

6

27642

25 Sep 2017, 20:53

106
ER
 Machine M, working alone at its constant rate, produces x widgets ever
violetsplash

15

18949

12 Jan 2017, 15:49

106
ER
 A tank is filled with gasoline to a depth of exactly 2 feet. The tank   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Geometry,  Source: Official Guide
iamschnaider

27

14751

30 Jul 2017, 04:02

105
ER
 How many subordinates does Marcia have?   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Combinations
marcodonzelli

30

16610

19 Oct 2017, 22:58

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

19703

15 Jul 2017, 22:46

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

15

42750

01 Sep 2017, 16:05

103
ER
 Collection of 8 DS questions
Bunuel

50

38506

22 Jun 2014, 15:56

103
ER
 If k is a positive integer and n = k(k + 7k), is n divisible
Jem2905

29

18697

24 Oct 2017, 10:00

103
ER
 If 0
imhimanshu

19

10416

30 Oct 2017, 09:56

103
ER
 Is x > 10^10 ? (1) x > 2^34 (2) x = 2^35   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Exponents/Powers,  Inequalities,  Source: Manhattan GMAT
dvinoth86

25

17208

15 Jul 2017, 08:56

102
ER
 If x = u^2 - v^2, y = 2uv and z = u^2 + v^2, and if x = 11,   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Algebra,  Source: GMAT Prep EP 1
vogelleblanc

24

19517

16 Aug 2017, 18:52

102
ER
 A jar contains 8 red marbles and y white marbles. If Joan
Orange08

19

19020

03 Sep 2017, 02:28

101
ER
 In a certain business, production index p is directly proportional to   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Word Problems,  Source: Official Guide
Superhuman

21

16484

28 Sep 2017, 04:38

101
ER
 p and q are integers. If p is divisible by 10^q and cannot
banksy

13

9734

22 Aug 2017, 00:55

98
ER
 If w, x, y and z are integers such that w/x and y/z are
japped187

17

12461

16 Sep 2017, 10:26

98
ER
 Is the perimeter of triangle ABC greater than 20? (1)   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Geometry
Bunuel

34

22390

13 Sep 2017, 21:56

97
ER
 In the figure above, if MNOP is a trapezoid and NOPR is a pa
roygush

14

26664

03 Oct 2017, 09:26

96
ER
 On a certain sight-seeing tour, the ratio of the number of
clubzzang

16

29100

11 May 2017, 10:15

96
ER
 Lines n and p lie in the xy-plane. Is the slope of line n   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Coordinate Geometry,  Source: GMAT Prep
BANON

24

15458

23 Apr 2017, 03:28

96
ER
 If x, y and z are positive integers such that x^4*y^3 = z^2
EgmatQuantExpert

19

7868

09 Jan 2017, 07:42

96
ER
 If m and n are positive integers, is the remainder of
zisis

16

10992

21 Oct 2017, 11:58

95
ER
 Beginning in January of last year, Carl made deposits of \$120 into his   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Statistics and Sets Problems,  Word Problems
barakhaiev

22

14878

24 Jun 2017, 12:17

95
ER
 If Bob produces 36 or fewer in a week, he is paid X dollars   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Word Problems,  Source: GMAT Prep
msunny

25

19700

16 Sep 2017, 16:15

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

34639

05 Mar 2017, 08:49

94
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

18486

31 Aug 2017, 08:59

94
ER
 If ab≠0 and points (-a, b) and (-b, a) are in the same quadr   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Coordinate Geometry,  Source: GMAT Prep
jitendra

23

11602

10 Jun 2017, 09:43

93
ER
 If x, y, and z are positive integers, where x > y and z = √x
enigma123

12

9625

24 Oct 2017, 13:06

93
ER
 Is (7x)^1/2 an integer?
alex1233

18

8398

29 May 2017, 13:07

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