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

176

15

78,788

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

856

24

188,560

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

487,994

by: bb

29 Aug 2025, 13:27

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If p, x, and y are positive integers, y is odd, and p = x^2

805+ (Hard) | Multiples and Factors +2 tags

805+ (Hard) | Multiples and Factors, Number Properties, Remainders hide tags

1, 2

netcaesar

14 Aug 2009, 12:49

835

29

57,181

by: gmatchile

11 Aug 2025, 00:22

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At least 100 students at a certain high school study japanes

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

1, 2

amitgovin

20 Jul 2020, 00:09

865

24

137,686

by: bumpbot

28 Aug 2025, 07:46

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Is x > y ? (1) x^(1/2) > y (2) x^3 > y

805+ (Hard) | Exponents +2 tags

805+ (Hard) | Exponents, Inequalities, Roots hide tags

1, 2

shrouded1

01 Oct 2019, 04:20

872

30

123,891

by: kanavgoyal97

06 Jun 2025, 04:27

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What is the median number of employees assigned per project

555-605 (Medium) | Statistics and Sets Problems

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

1, 2

ITIZCODE

04 May 2012, 02:26

878

28

98,118

by: RAZANMURADI

09 Jun 2025, 07:30

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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

131,676

by: Bunuel

31 Oct 2025, 00:01

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In the figure shown, what is the value of x?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

shorteverything

09 Jun 2021, 01:08

891

17

200,580

by: bumpbot

28 Jan 2025, 13:45

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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

655-705 (Hard) | Distance and Speed Problems hide tags

1, 2

TomB

11 Jun 2019, 05:58

894

31

154,961

by: bumpbot

19 Jun 2025, 08:10

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In the xy-plane, does the line with equation y = 3x + 2 contains the

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

1, 2

gaurav2k101

13 Jun 2019, 03:48

902

20

116,764

by: bumpbot

26 Dec 2024, 07:46

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If r and s are the roots of the equation x^2 + bx + c = 0

555-605 (Medium) | Algebra, Inequalities

555-605 (Medium) | Algebra, Inequalities hide tags

asveaass

16 Jun 2021, 10:14

907

18

343,418

by: Aabhash777

26 Jun 2025, 08:48

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Joanna bought only $0.15 stamps and $0.29 stamps. How many $0.15 stamp

655-705 (Hard) | Arithmetic, Word Problems

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

1, 2

udaymathapati

26 Sep 2010, 11:48

907

26

97,505

by: bumpbot

19 Dec 2025, 02:52

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Last year, a certain company began manufacturing product X

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

1, 2

Walkabout

01 Aug 2021, 04:04

907

22

85,045

by: bumpbot

24 Apr 2026, 06:38

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In the xy-plane, region R consists of all the points (x, y)

805+ (Hard) | Coordinate Plane, Inequalities

805+ (Hard) | Coordinate Plane, Inequalities hide tags

1, 2

metallicafan

03 Aug 2021, 02:46

929

24

95,836

by: bumpbot

03 Apr 2025, 12:57

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If x, y, and z are three-digit positive integers and if x =

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

1, 2

conty911

18 Sep 2012, 09:16

930

25

123,907

by: bumpbot

22 Nov 2025, 07:44

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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

939

37

196,258

by: bumpbot

18 Sep 2025, 02:24

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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

955

33

107,350

by: egmat

03 Oct 2025, 03:34

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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

956

38

163,633

by: Bunuel

03 Feb 2025, 23:47

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If x is an integer, what is the value of x? (1) x^2 - 4x + 3

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

1, 2

dimitri92

04 Aug 2012, 00:59

967

25

102,548

by: bumpbot

23 Jan 2026, 08:22

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A certain list consists of 3 different numbers. Does the median of the

655-705 (Hard) | Statistics and Sets Problems

655-705 (Hard) | Statistics and Sets Problems hide tags

1, 2

karovd

02 Jul 2021, 02:12

980

25

101,365

by: bumpbot

01 Jan 2026, 07:07

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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

983

37

102,625

by: Aboyhasnoname

16 Jun 2025, 04:45

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If x, y and z are integers and xy + z is an odd integer, is x an even

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

1, 2

Aleehsgonji

04 Jun 2021, 08:22

1.0k

23

133,442

by: bumpbot

15 Jan 2025, 01:27

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Are at least 10 percent of the people in Country X who are 65 years

655-705 (Hard) | Statistics and Sets Problems, Word Problems

655-705 (Hard) | Statistics and Sets Problems, Word Problems hide tags

1, 2

LM

21 Jan 2018, 23:45

1.0k

35

138,514

by: Dream009

27 Dec 2025, 11:16

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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

105,787

by: IanStewart

27 Apr 2025, 18:14

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Machines X and V produced identical bottles at different

605-655 (Medium) | Work and Rate Problems

605-655 (Medium) | Work and Rate Problems hide tags

cgl7780

03 Nov 2010, 17:36

1.0k

16

75,165

by: totaltestprepNick

03 Mar 2026, 09:39

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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

192,998

by: Bunuel

12 Nov 2025, 10:03

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In triangle ABC, point X is the midpoint of side AC and

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

1, 2

yezz

18 Aug 2009, 18:44

1.1k

24

109,672

by: bumpbot

26 Dec 2025, 23:43

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Beginning in January of last year, Carl made deposits of $120 into his

805+ (Hard) | Statistics and Sets Problems, Word Problems

805+ (Hard) | Statistics and Sets Problems, Word Problems hide tags

mydreammba

01 Jun 2021, 03:33

1.1k

17

86,738

by: bumpbot

22 May 2025, 15:08

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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

145,941

by: crimson_noise

22 Feb 2026, 20:58

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

705-805 (Hard) | Absolute Values, Inequalities

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

1, 2

DenisSh

12 Oct 2009, 01:00

1.2k

39

124,454

by: Vishnu0001

26 Oct 2025, 00:03

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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

188,117

by: bumpbot

19 Jul 2025, 16:38

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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

144,880

by: Bunuel

24 Dec 2025, 12:37

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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

191,284

by: Bunuel

22 Nov 2025, 00:33

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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

174,932

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

185,972

by: Bunuel

26 Dec 2025, 07:14

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Train A leaves New York for Boston at 3 PM and travels at

805+ (Hard) | Distance and Speed Problems

805+ (Hard) | Distance and Speed Problems hide tags

1, 2, 3

rohitgoel15

22 Jul 2010, 00:49

1.4k

43

140,914

by: bumpbot

22 Apr 2026, 01:50

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If q, s, and t are all different numbers, is q < s < t ?

655-705 (Hard) | Absolute Values, Inequalities

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

1, 2

AbdurRakib

19 Jun 2017, 04:59

1.4k

22

82,803

by: bumpbot

30 Nov 2025, 10:41

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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

219,041

by: ManishaPrepMinds

14 Jul 2025, 00:02

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

655-705 (Hard) | Overlapping Sets

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1, 2, 3

samrand

14 Jan 2010, 12:15

1.5k

42

139,238

by: DishaAgarwal12

29 Mar 2026, 09:54

ER

A school administrator will assign each student in a group

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

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

1, 2, 3

gwiz87

03 Jun 2021, 01:59

1.8k

59

138,300

by: bumpbot

22 Mar 2026, 07:04

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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

485,172

by: Bunuel

07 Mar 2025, 02:20