GMAT Data Sufficiency (DS) Forum - Free Practice Questions

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Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

Bunuel

25 Oct 2022, 08:11

181

15

82,755

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of May 2026

1, 2

Bunuel

01 Jan 2026, 05:45

861

24

190,983

by: bumpbot

16 Sep 2025, 06:05

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DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

490,922

by: bb

29 Aug 2025, 13:27

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Data Sufficiency Butler: 2 Questions Every Day

1, 2, 3

Bunuel

04 Jun 2026, 16:53

468

53

163,632

by: Bunuel

04 Jun 2026, 16:52

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Inequality and absolute value questions from my collection

705-805 (Hard) | Absolute Values, Inequalities

705-805 (Hard) | Absolute Values, Inequalities hide tags

1, 2...11, 12

Bunuel

16 Nov 2009, 11:33

3.2k

236

486,674

by: Bunuel

07 Mar 2025, 02:20

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Devil's Dozen!!!

605-655 (Medium) | Algebra +9 tags

605-655 (Medium) | Algebra, Combinations, Distance and Speed Problems, Multiples and Factors, Number Properties, Overlapping Sets, Percent and Interest Problems, Remainders, Statistics and Sets Problems, Word Problems hide tags

1, 2, 3, 4

Bunuel

19 Mar 2012, 06:54

1.3k

78

175,463

by: bumpbot

01 Feb 2026, 23:35

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New Set: Number Properties!!!

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

1, 2, 3, 4

Bunuel

26 Dec 2025, 07:15

1.3k

79

186,600

by: Bunuel

26 Dec 2025, 07:14

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Math Revolution Daily quizzes

555-605 (Medium) | Statistics and Sets Problems

555-605 (Medium) | Statistics and Sets Problems hide tags

1, 2, 3

MathRevolution

09 Jan 2017, 22:29

25

41

7,690

by: bumpbot

24 May 2019, 04:12

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A pentagon with 5 sides of equal length and 5 interior angles of equal

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

1, 2, 3, 4

Bunuel

01 Jun 2021, 03:27

1.0k

70

106,279

by: IanStewart

27 Apr 2025, 18:14

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The Discreet Charm of the DS

655-705 (Hard) | Absolute Values +9 tags

655-705 (Hard) | Absolute Values, Algebra, Arithmetic, Fractions and Ratios, Functions and Custom Characters, Inequalities, Number Properties, Statistics and Sets Problems, Word Problems, Work and Rate Problems hide tags

1, 2, 3

Bunuel

02 Feb 2012, 04:15

1.2k

53

191,770

by: Bunuel

22 Nov 2025, 00:33

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A school administrator will assign each student in a group

805+ (Hard) | Multiples and Factors, Word Problems

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1, 2, 3

gwiz87

03 Jun 2021, 01:59

1.8k

59

139,000

by: bumpbot

22 Mar 2026, 07:04

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NEW!!! Tough and tricky exponents and roots questions

555-605 (Medium) | Algebra +2 tags

555-605 (Medium) | Algebra, Exponents, Roots hide tags

1, 2, 3

Bunuel

12 Jan 2012, 03:50

1.2k

46

145,287

by: Bunuel

24 Dec 2025, 12:37

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Is x > 0? (1) |x + 3| = 4x – 3 (2) |x – 3| = |2x – 3|

705-805 (Hard) | Absolute Values, Inequalities

705-805 (Hard) | Absolute Values, Inequalities hide tags

1, 2, 3

dvinoth86

22 Feb 2012, 19:59

457

53

77,031

by: Bunuel

26 Dec 2024, 02:41

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The sum of n consecutive positive integers is 45

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

1, 2, 3, 4

Bunuel

16 Oct 2009, 22:33

188

70

90,009

by: Bunuel

11 Apr 2018, 09:22

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Are x and y both positive? (1) 2x - 2y = 1 (2) x/y > 1

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

1, 2, 3, 4

Manbehindthecurtain

05 Apr 2018, 13:19

1.0k

64

193,845

by: Bunuel

12 Nov 2025, 10:03

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Is |x - y| > |x| - |y|? (1) y < x (2) xy < 0

655-705 (Hard) | Absolute Values, Inequalities

655-705 (Hard) | Absolute Values, Inequalities hide tags

1, 2, 3

study

20 Jul 2021, 00:43

1.5k

48

219,635

by: ManishaPrepMinds

14 Jul 2025, 00:02

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New DS set!!!

555-605 (Medium) | Algebra +7 tags

555-605 (Medium), 655-705 (Hard) | Algebra, Fractions and Ratios, Geometry, Inequalities, Probability, Remainders, Work and Rate Problems hide tags

1, 2, 3

Bunuel

10 Apr 2013, 08:10

814

57

138,943

by: bumpbot

20 Jun 2025, 04:59

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The table above shows the results of a survey of 100 voters who each

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

1, 2, 3

samrand

14 Jan 2010, 12:15

1.5k

42

139,948

by: DishaAgarwal12

29 Mar 2026, 09:54

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Each of the 25 balls in a certain box is either red, blue or white and

605-655 (Medium) | Overlapping Sets, Probability

605-655 (Medium) | Overlapping Sets, Probability hide tags

1, 2

lexis

05 Feb 2019, 06:00

637

39

104,826

by: DmitryFarberMPrep

27 Jun 2025, 23:51

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If x is not equal to 0, is |x| less than 1? (1) x/|x|< x (2) |x| > x

805+ (Hard) | Absolute Values, Inequalities

805+ (Hard) | Absolute Values, Inequalities hide tags

1, 2, 3

Hussain15

01 Nov 2009, 09:25

527

51

147,512

by: bumpbot

25 Sep 2025, 05:12

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If m is an integer, is m odd?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

1, 2, 3

sudhagar

06 Nov 2005, 13:00

222

41

55,884

by: totaltestprepNick

23 Feb 2026, 13:46

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If ax + b = 0, is x > 0 ? (1) a + b > 0 (2) a - b > 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

1, 2, 3

uzzy12

24 Aug 2010, 17:41

1.1k

47

146,280

by: crimson_noise

22 Feb 2026, 20:58

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If p and n are positive integers and p > n, what is the remainder when

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

1, 2

BANON

23 Feb 2012, 08:10

598

30

101,286

by: Bunuel

20 Mar 2026, 06:03

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If x and y are integers, is x > y?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

1, 2

Walkabout

16 Jun 2021, 10:08

607

32

98,354

by: bumpbot

17 Jan 2026, 07:17

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Is ((x-3)^2)^(1/2) = 3-x? (1) x ≠ 3 (2) -x|x| > 0

605-655 (Medium) | Absolute Values, Inequalities

605-655 (Medium) | Absolute Values, Inequalities hide tags

1, 2, 3

gmatnub

24 Apr 2008, 17:42

1.2k

46

188,965

by: bumpbot

19 Jul 2025, 16:38

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Is xy > 0? (1) x - y > -2 (2) x - 2y < -6

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

1, 2

MHIKER

09 Jul 2014, 10:49

938

38

164,051

by: Bunuel

03 Feb 2025, 23:47

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If x and y are positive integers such that x = 8y + 12, what is the

705-805 (Hard) | Multiples and Factors, Number Properties

705-805 (Hard) | Multiples and Factors, Number Properties hide tags

1, 2

metallicafan

31 Aug 2010, 01:22

958

33

107,823

by: egmat

03 Oct 2025, 03:34

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

655-705 (Hard) | Multiples and Factors, Number Properties

655-705 (Hard) | Multiples and Factors, Number Properties hide tags

1, 2

gmatcracker2010

19 Jun 2010, 03:49

984

37

103,092

by: Aboyhasnoname

16 Jun 2025, 04:45

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A tank is filled with gasoline to a depth of exactly 2 feet. The tank

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

1, 2

iamschnaider

24 Jul 2015, 00:23

690

39

85,909

by: bumpbot

22 Jan 2025, 10:34

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Is A positive? (1) x^2 - 2x + A is positive for all x (2) Ax^2 + 1

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

1, 2

noboru

12 Apr 2018, 01:57

272

35

33,150

by: bumpbot

15 Jun 2024, 03:55

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Collection of 8 DS questions

605-655 (Medium) | Algebra +7 tags

605-655 (Medium) | Algebra, Fractions and Ratios, Geometry, Inequalities, Number Properties, Statistics and Sets Problems, Word Problems, Work and Rate Problems hide tags

1, 2, 3

Bunuel

13 Oct 2009, 20:16

155

50

56,762

by: raviranjankarn

22 Jun 2014, 15:56

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Each piglet in a litter is fed exactly one-half pound of a mixture of

805+ (Hard) | Fractions and Ratios, Word Problems

805+ (Hard) | Fractions and Ratios, Word Problems hide tags

1, 2

tejal777

07 Feb 2019, 01:10

553

34

36,041

by: bumpbot

28 Dec 2025, 01:16

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Are all of the numbers in a certain list of 15 numbers equal

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

1, 2

Walkabout

14 Dec 2012, 08:36

354

32

65,671

by: bumpbot

24 Dec 2025, 17:42

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What is the value of x if x^3 < x^2?

605-655 (Medium) | Algebra, Inequalities

605-655 (Medium) | Algebra, Inequalities hide tags

1, 2

AbdurRakib

02 Jul 2021, 02:45

468

30

75,456

by: chetan2u

06 Oct 2025, 07:50

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Bunuel's Algebra DS Diagnostic Test

505-555 (Easy) | Absolute Values +11 tags

505-555 (Easy), 555-605 (Medium), 655-705 (Hard) | Absolute Values, Algebra, Combinations, Exponents, Fractions and Ratios, Functions and Custom Characters, Inequalities, Min-Max Problems, Percent and Interest Problems, Roots hide tags

1, 2, 3

Bunuel

17 Aug 2023, 01:45

166

53

25,714

by: Gg153

19 Jun 2025, 10:01

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The hypotenuse of a right triangle is 10 cm. What is the

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

1, 2

marcusaurelius

09 May 2010, 11:43

659

30

126,606

by: bumpbot

07 Jan 2025, 16:34

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DS questions about standard deviation

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

1, 2, 3

Bunuel

27 Oct 2009, 16:36

208

52

88,821

by: Bunuel

24 Nov 2019, 02:45

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On the number line shown, is zero halfway between r and s ?

705-805 (Hard) | Absolute Values, Inequalities

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1, 2, 3

DenisSh

12 Oct 2009, 01:00

1.2k

40

124,924

by: impatientdude

30 May 2026, 05:11

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If x ≠ -y is (x - y)/(x + y) > 1? (1) x > 0 (2) y < 0

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

1, 2

jusjmkol740

03 Mar 2010, 07:22

257

26

58,955

by: bumpbot

14 Dec 2025, 03:38

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Is x > 1? (1) (x+1)(|x| - 1) > 0 (2) |x| < 5

655-705 (Hard) | Absolute Values, Inequalities

655-705 (Hard) | Absolute Values, Inequalities hide tags

1, 2

enigma123

18 Jun 2012, 15:46

522

30

57,752

by: Bunuel

10 Dec 2025, 04:19

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If x = u^2 - v^2, y = 2uv and z = u^2 + v^2, and if x = 11,

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

1, 2

vogelleblanc

28 Nov 2013, 05:40

885

36

131,939

by: Bunuel

31 Oct 2025, 00:01

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If it took Carlos 1/2 hour to cycle from his house to the library yest

655-705 (Hard) | Distance and Speed Problems

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1, 2

TomB

11 Jun 2019, 05:58

895

31

155,341

by: bumpbot

19 Jun 2025, 08:10

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Is m + z > 0 (1) m - 3z > 0 (2) 4z - m > 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

1, 2

kman

26 Apr 2018, 02:47

657

29

125,589

by: SomeOneUnique

01 Nov 2024, 18:30

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Collection of 12 DS questions

705-805 (Hard) | Number Properties +2 tags

705-805 (Hard) | Number Properties, Remainders, Word Problems hide tags

1, 2

Bunuel

17 Oct 2009, 18:45

94

39

52,843

by: Bunuel

12 Apr 2018, 01:21

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Material A costs $3 per kilogram, and Material B costs $5 per kilogram

655-705 (Hard) | Mixture Problems

655-705 (Hard) | Mixture Problems hide tags

1, 2

alltimeacheiver

05 Aug 2017, 00:16

632

24

91,719

by: Usernamevisible

01 May 2026, 01:06

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Of the 60 animals on a certain farm, 2/3 are either pigs or cows. How

655-705 (Hard) | Min-Max Problems, Word Problems

655-705 (Hard) | Min-Max Problems, Word Problems hide tags

1, 2

DenisSh

12 Oct 2009, 00:59

739

28

176,870

by: anushree01

12 Jan 2026, 03:03

ER

Jack wants to use a circular rug on his rectangular office floor to co

555-605 (Medium) | Geometry, Word Problems

555-605 (Medium) | Geometry, Word Problems hide tags

1, 2

AbdurRakib

24 Jun 2017, 04:14

457

28

53,627

by: bumpbot

24 Dec 2025, 01:57

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In the xy-plane, at what two points does the graph of y=(x+a)(x+b)

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

1, 2

misterJJ2u

05 Jun 2019, 07:29

943

37

196,746

by: bumpbot

18 Sep 2025, 02:24

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If x and y are positive integers, what is the greatest common divisor

805+ (Hard) | Multiples and Factors

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1, 2

zest4mba

23 Aug 2010, 11:27

367

31

43,460

by: bumpbot

03 Jul 2025, 02:47

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The sum of 4 different odd integers is 64. What is the value of the

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

1, 2

AneesShaik

16 Jul 2016, 01:59

447

26

60,447

by: Bunuel

01 Jul 2025, 00:56

ER

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

805+ (Hard) | Percent and Interest Problems, Word Problems

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1, 2

devinawilliam83

25 Jan 2012, 00:22

379

30

50,281

by: bumpbot

18 Jun 2025, 20:59

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Bunuel's Word Problems DS Diagnostic Test

505-555 (Easy) | Distance and Speed Problems +6 tags

505-555 (Easy), 555-605 (Medium), 655-705 (Hard) | Distance and Speed Problems, Mixture Problems, Overlapping Sets, Word Problems, Work and Rate Problems hide tags

Bunuel

16 Jan 2023, 03:34

38

15

10,145

by: Bunuel

25 Apr 2025, 08:24

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If x^2 = y^2, is true that x > 0 ? (1) x = 2y+1 (2) y <= -1

705-805 (Hard) | Algebra, Inequalities

705-805 (Hard) | Algebra, Inequalities hide tags

1, 2, 3

burnttwinky

20 May 2012, 19:02

270

43

48,667

by: bumpbot

26 Feb 2025, 03:21