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# Data Sufficiency (DS)

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Announcements

286
ER
 150 Hardest and easiest questions for DS   Tags:
Bunuel

9

38339

24 Aug 2017, 21:58

643
ER
 DS Question Directory by Topic and Difficulty   Tags: Coordinate Geometry
bb

0

182480

07 Mar 2012, 08:58

Topics

71
ER
 Lines n and p lie in the xy plane. Is the slope of the line   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Coordinate Geometry,  Source: GMAT Prep
amansingla4

21

23017

31 May 2013, 03:16

70
ER
 Guests at a recent party ate a total of fifteen hamburgers.
kairoshan

12

16641

28 May 2017, 19:23

70
ER
 Ashok and Brian are both walking east along the same path
saintforlife

16

9288

02 Sep 2017, 23:53

70
 A clothing store's revenue last May was 6 percent less than   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Percent and Interest Problems,  Source: GMAT Prep QP1
mun23

20

9285

01 Jul 2017, 01:08

70
ER
 If x and y are positive integers, what is the value of xy?
ctgmat123

10

30727

28 Jan 2017, 04:52

70
ER
 A construction company was paid a total of \$500,000 for a
asch13

15

13896

26 Oct 2016, 11:20

70
ER
 If x and y are positive, is x < y?   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Inequalities,  Source: GMAT Prep EP 2
Lettherebelight

21

8882

09 Apr 2017, 22:08

70
ER
 The GMAT is scored on a scale of 200 to 800 in 10 point incr
enigma123

10

9311

10 Jul 2017, 04:03

70
ER
 Laura sells encyclopaedias, and her monthly income has two
kevincan

18

11043

04 Oct 2017, 01:25

69
ER
 In the xy-coordinate plane, is point R equidistant from

14

10454

08 Aug 2017, 09:10

69
ER
 Can a certain rectangular sheet of glass be positioned on a   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Geometry,  Source: Official Guide
Bunuel

26

13006

21 Aug 2017, 19:50

69
ER
 A student has decided to take GMAT and TOEFL examinations   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Statistics and Sets Problems

23

9674

06 Aug 2017, 14:13

69
ER
 If n is a positive integer, what is the tens digit of n ?

12

13026

13 Oct 2016, 01:10

69
ER
 Is |x| + |x -1| = 1?   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Absolute Values/Modules,  Inequalities
mendelay

37

11147

04 Jan 2017, 11:33

69
ER
 Janson's salary and Karen's salary were each p percent   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Percent and Interest Problems,  Source: GMAT Prep
tarek99

28

15550

03 Jul 2017, 06:22

69
ER
 How many different 5-person teams can be formed from a group
gmatJP

17

14781

02 Apr 2017, 08:23

68
ER
 If (x/y)>2, is 3x+2y<18? (1) x-y is less than 2 (2)   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Inequalities
Hussain15

27

8591

19 Mar 2017, 20:26

68
ER
 If u(u+v) <> 0 and u > 0 is 1/(u + v) < 1/u + v ?   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Algebra,  Inequalities,  Source: GMAT Prep QP1
PrashantPonde

21

8660

01 Jul 2017, 02:49

68
ER
 If a, b, c, and d, are positive numbers, is a/b < c/d?   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Inequalities,  Source: Official Guide
catty2004

24

21622

14 Oct 2017, 19:59

68
ER
 If the integer n is greater than 1, is n equal to 2?
dimitri92

19

16531

26 Jan 2017, 19:04

68
ER
 Is (x^7)(y^2)(z^3) > 0 ? (1) yz < 0 (2) xz > 0   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Exponents/Powers,  Inequalities,  Source: GMAT Club Tests
TheGmatTutor

29

13186

06 Aug 2017, 08:35

68
ER
 On the number line, point R has coordinate r and point T has coordinat
Bunuel

11

5550

12 Aug 2017, 09:58

68
ER
 When the digits of two-digit, positive integer M are reversed, the res
pratikshr

16

7724

07 Sep 2017, 05:05

68
ER
 If n is a positive integer, is n^2 - 1 divisible by 24?   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Divisibility/Multiples/Factors,  Number Properties
kunalbh19

21

16669

12 Oct 2017, 21:17

68
ER
 From Leland's gross pay of p dollars last week, t percent
ricokevin

18

24843

23 Feb 2017, 06:12

67
ER
 For integers x, y, and z, x = y^2. What is the value of z?
HarveyS

9

6893

15 Apr 2017, 14:00

67
ER
 If x and y are positive integers is y odd?
devinawilliam83

19

10871

14 Jul 2017, 01:15

67
ER
 Tom, Jane, and Sue each purchased a new house. The average

23

16753

17 Aug 2017, 03:33

67
ER
 If w, x, y, and z are the digits of the four-digit number N,   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Remainders,  Source: GMAT Pill
gmattokyo

20

9769

13 Jan 2017, 10:53

67
ER
 Of the 1400 college teachers surveyed, 42% said they consid   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Overlapping Sets,  Source: GMAT Prep
burnttwinky

22

17192

06 Jun 2017, 18:48

67
ER
 In the xy coordinate plane, line L and line K intersect at   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Coordinate Geometry
LM

21

10188

15 Feb 2017, 01:34

67
ER
 In the xy-plane, if line k has negative slope and passes
Bunuel

17

12621

29 Apr 2017, 06:17

66
ER
 In the figure above, if x and y are each less than 90 and PS
Orange08

9

19033

30 Sep 2017, 06:35

66
ER
 What is x?   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Absolute Values/Modules,  Inequalities,  Source: Manhattan GMAT
rohitgoel15

31

16940

03 Sep 2017, 17:35

66
ER
 All boxes in a certain warehouse were arranged in stacks of 12 boxes
baharalipour

11

7482

18 Oct 2017, 02:38

66
ER
 |x|=|2y|, what is the value of x-2y?   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Absolute Values/Modules,  Inequalities,  Source: Manhattan GMAT
kashishh

21

12850

27 Mar 2017, 12:25

66
ER
 Is 1/(x-y) < y - x
rxs0005

16

10948

12 Jun 2017, 21:32

65
ER
 A person inherited few gold coins from his father. If he
gmihir

10

8410

02 Apr 2017, 10:08

65
ER
 The figure above represents an L-shaped garden. What is the value of k
Bunuel

5

6752

19 Aug 2017, 03:53

65
ER
 Is the number of seconds required to travel d1 feet at r1
chiragatara

14

10233

14 Jan 2017, 22:34

65
ER
 If t is a positive integer and r is the remainder when t^2+5
dpark

11

12426

22 Aug 2017, 07:01

65
ER
 If a loan of P dollars, at an interest rate of r percent...
NeverSurrender

13

15734

08 May 2017, 03:29

64
ER
 In the figure above, points A, B, C, 0, and E lie on a line   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Geometry,  Source: Official Guide

23

13313

06 Aug 2017, 23:25

64
ER
 If 6xy = x^2*y + 9y, what is the value of xy?   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Algebra,  Source: Manhattan GMAT
ArvGMAT

25

11256

08 Dec 2016, 15:33

63
ER
 A box contains 10 light bulbs, fewer than half of which are   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Probability
udaymathapati

23

12809

27 Sep 2016, 07:44

63
ER
 Three employees, A, B and C, clean a certain conference room each day.
Awli

11

3460

23 Feb 2017, 05:47

63
ER
 A certain jar contains only b black marbles, w white marbles
anilnandyala

15

13412

08 Apr 2017, 09:55

63
ER
 Henry purchased 3 items during a sale. He received a 20
docabuzar

9

15888

15 Jul 2017, 11:24

62
ER
 What is the number of cans that can be packed in a certain

13

12204

30 Jul 2017, 17:45

62
ER
 Is the integer n odd? (1) n is divisible by 3. (2) 2n is

19

15841

14 Jan 2017, 06:32

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