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

78,631

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

854

24

188,466

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

487,849

by: bb

29 Aug 2025, 13:27

ER

What is the value of 2^x + 2^(-x) ? (1) x < 0 (2) 4^x + 4^(−x) = 23

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

1, 2

Bunuel

10 Aug 2018, 01:23

356

24

37,739

by: bumpbot

16 Mar 2025, 09:12

ER

If h and k are both positive integers, are both roots of the equation

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

1, 2

hubahuba

25 Jul 2014, 16:53

92

24

16,072

by: bumpbot

10 Mar 2025, 03:18

ER

If N = 1234 and represents the units digit, is N a multiple of 5?

705-805 (Hard) | Multiples and Factors

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

1, 2

prab

11 Oct 2010, 19:06

62

24

21,117

by: bumpbot

14 Sep 2024, 09:33

ER

Jamboree and GMAT Club Contest: [N] denotes the greatest integer less

655-705 (Hard) | Functions and Custom Characters

655-705 (Hard) | Functions and Custom Characters hide tags

1, 2

Bunuel

08 Nov 2015, 09:35

50

24

8,606

by: bumpbot

29 Jul 2024, 21:51

ER

If each side of parallelogram P has length 1, what is the area of P ?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

1, 2

Bunuel

26 Apr 2019, 02:40

233

24

33,629

by: bumpbot

24 Feb 2024, 06:10

ER

Is |a| - |b| < |a - b| ? (1) b^a < 0 (2) |b| > |a|

805+ (Hard) | Absolute Values +2 tags

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

1, 2

DHAR

10 Nov 2018, 09:34

48

24

14,625

by: bumpbot

21 Nov 2023, 23:27

ER

A six-sided mosaic contains 24 triangular pieces of tile of the same

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

1, 2

Bunuel

26 Apr 2019, 03:01

99

24

29,044

by: bumpbot

01 Nov 2023, 05:18

ER

Is |qp + q^2| > qp?

805+ (Hard) | Absolute Values, Inequalities

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

1, 2

Bunuel

13 Jan 2017, 09:07

22

24

5,813

by: bumpbot

08 Nov 2022, 07:30

ER

In the figure above, SQRE is a square, AB = AC, and AS = AQ.

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

1, 2

AccipiterQ

18 Oct 2013, 22:10

104

24

19,459

by: bumpbot

16 Apr 2022, 07:40

ER

What is the remainder when x^4 + y^4 divided by 5?

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

1, 2

mdfrahim

04 Jul 2009, 23:08

36

24

13,311

by: bumpbot

18 Dec 2021, 20:00

ER

In a certain business, production index p is directly proportional to

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

1, 2

Superhuman

01 Jul 2017, 10:41

567

23

71,999

by: shwetakoshija

26 Mar 2026, 04:48

ER

12 Days of Christmas GMAT Competition - Day 5: On a farm with a total

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

1, 2

Bunuel

20 Dec 2024, 09:00

51

23

5,040

by: arushi118

08 Feb 2026, 00:59

ER

A certain list, L, contains a total of n numbers, not necessarily dist

655-705 (Hard) | Statistics and Sets Problems

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

1, 2

Bunuel

26 Apr 2019, 03:31

440

23

43,721

by: bumpbot

07 Nov 2025, 04:15

ER

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

605-655 (Medium) | Distance and Speed Problems

605-655 (Medium) | Distance and Speed Problems hide tags

1, 2

Walkabout

06 Dec 2012, 07:46

360

23

39,653

by: bumpbot

10 Oct 2025, 01:08

ER

Is x negative? (1) x^3(1 - x^2) < 0 (2) x^2 - 1 < 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

1, 2

gi

21 Dec 2009, 13:01

306

23

28,830

by: bumpbot

09 Oct 2025, 02:25

ER

If x and y are non-zero integers and |x| + |y| = 32, what is

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

1, 2

lbsgmat

08 Aug 2009, 07:32

254

23

44,088

by: bumpbot

27 Aug 2025, 11:34

ER

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

655-705 (Hard) | Absolute Values, Inequalities

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

1, 2

ColdSushi

18 Mar 2015, 20:31

93

23

14,099

by: bumpbot

07 Aug 2025, 03:39

ER

If 2 < x < 4, what is the median of the numbers 0, 5, x, 1,

555-605 (Medium) | Algebra, Statistics and Sets Problems

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

1, 2

bgribble

30 Nov 2013, 11:54

170

23

49,990

by: bumpbot

06 Jul 2025, 10:58

ER

If a, b, c, and d, are positive numbers, is a/b < c/d?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

1, 2

catty2004

12 May 2017, 01:29

473

23

118,473

by: bumpbot

03 Jul 2025, 05:04

ER

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

620

23

90,940

by: Aboyhasnoname

24 Jun 2025, 01:08

ER

If u(u+v) <> 0 and u > 0 is 1/(u + v) < 1/u + v ?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

1, 2

PrashantPonde

26 Dec 2012, 00:36

327

23

37,177

by: bumpbot

05 Jun 2025, 23:18

ER

Six countries in a certain region sent a total of 75 representatives

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

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

1, 2

LM

27 Apr 2010, 09:57

712

23

109,521

by: rak08

22 May 2025, 21:26

ER

In the figure above, is the area of triangular region ABC

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

1, 2

jfk

10 Jun 2012, 00:28

791

23

113,797

by: bumpbot

01 Feb 2025, 09:44

ER

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

133,410

by: bumpbot

15 Jan 2025, 01:27

ER

A box of doughnuts contains glazed, cream-filled, and jelly

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

1, 2

Nsentra

02 Sep 2006, 17:00

45

23

17,637

by: bumpbot

22 Dec 2024, 05:57

ER

Is the area of the triangular region above less than 20?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

1, 2

Bunuel

26 Jun 2017, 02:15

401

23

45,285

by: bumpbot

23 Jul 2024, 09:27

ER

What is the value of integer x? (M27-14)

805+ (Hard) | Absolute Values +2 tags

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

1, 2

LM

16 Jan 2013, 00:51

82

23

13,189

by: bumpbot

28 Dec 2023, 10:08

ER

Right triangle ABO is drawn in the xy-plane, with OB as hypo

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

1, 2

mau5

24 Nov 2013, 09:09

125

23

18,419

by: KarishmaB

28 Nov 2023, 23:24

ER

For the triangle shown, where A, B and C are all points on a circle

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

1, 2

enigma123

14 Jul 2021, 13:00

55

23

36,090

by: bumpbot

29 Jul 2023, 23:26

ER

Points A, B, and C lie on a circle of radius 1. What is the area of tr

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

1, 2

Economist

05 Apr 2019, 00:49

68

23

21,392

by: bumpbot

22 Oct 2022, 05:19

ER

When 55 is divided by 3x the remainder is 2x. What is the value of x?

705-805 (Hard) | Number Properties, Remainders

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

1, 2

Bunuel

23 Jan 2015, 07:36

54

23

10,701

by: bumpbot

07 Jan 2022, 12:26

ER

Is 10^m < 5,000?

555-605 (Medium) | Exponents, Inequalities

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

1, 2

shekar123

07 Jun 2010, 17:04

33

23

11,364

by: bumpbot

14 Jan 2021, 23:37

ER

is x negative?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

1, 2

GMATBusters

04 Jan 2020, 18:57

7

23

5,867

by: ScottTargetTestPrep

10 Sep 2020, 07:14

ER

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

906

22

84,962

by: bumpbot

24 Apr 2026, 06:38

ER

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

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

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

1, 2

enigma123

15 Apr 2026, 11:36

397

22

35,394

by: bumpbot

15 Apr 2026, 18:52

ER

While on a straight road, Car X and Car Y are traveling at

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

1, 2

vix

07 Dec 2012, 10:38

238

22

51,482

by: bumpbot

12 Apr 2026, 07:52

ER

In the two-digit integers 3[m]\Box[/m] and 2[m]\bigtriangleup[/m],The

655-705 (Hard) | Arithmetic +2 tags

655-705 (Hard) | Arithmetic, Functions and Custom Characters, Number Properties hide tags

1, 2

AbdurRakib

22 Jun 2017, 14:44

619

22

56,924

by: bumpbot

07 Apr 2026, 12:44

ER

If, in the addition problem above, a, b, c, d, e, f, x, y, a

805+ (Hard) | Arithmetic

805+ (Hard) | Arithmetic hide tags

1, 2

mn2010

18 Jul 2010, 15:59

470

22

58,452

by: Gmat860sanskar

30 Mar 2026, 12:11

ER

Jane can paint the wall in J hours, and Bill can paint the

805+ (Hard) | Word Problems, Work and Rate Problems

805+ (Hard) | Word Problems, Work and Rate Problems hide tags

1, 2

Bunuel

20 Nov 2009, 09:37

370

22

40,004

by: bumpbot

27 Mar 2026, 15:49

ER

If x is positive, is x > 3 ? (1) (x - 1)^2 > 4 (2) (x - 2)^2 > 9

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

1, 2

rohitgoel15

05 Jun 2019, 05:52

335

22

79,477

by: totaltestprepNick

01 Mar 2026, 14:18

ER

At the beginning of the day, a store had grills and smokers in a ratio

705-805 (Hard) | Fractions and Ratios

705-805 (Hard) | Fractions and Ratios hide tags

1, 2

Bunuel

14 Mar 2018, 21:22

38

22

8,858

by: DishaAgarwal12

25 Feb 2026, 09:48

ER

Each week a certain salesman is paid a fixed amount equal to

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

1, 2

summer101

21 Jul 2012, 12:30

308

22

63,808

by: arnab24

30 Dec 2025, 22:50

ER

In the xy-coordinate plane, line L and line k intersect at the point

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

1, 2

bsjames2

18 Feb 2008, 19:01

274

22

41,460

by: bumpbot

19 Dec 2025, 10:19

ER

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

82,779

by: bumpbot

30 Nov 2025, 10:41

ER

GMAT Club Olympics 2024 (Day 7): At the Olympic Games, 10 gymnasts

655-705 (Hard) | Statistics and Sets Problems

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

1, 2

Bunuel

16 Jul 2024, 07:00

52

22

7,737

by: JAMOO

24 Nov 2025, 23:14

ER

An investment has been growing at a fixed annual rate of 20% since it

705-805 (Hard) | Percent and Interest Problems

705-805 (Hard) | Percent and Interest Problems hide tags

1, 2

gmatt1476

21 Sep 2019, 15:52

270

22

28,464

by: bumpbot

23 Nov 2025, 06:45

ER

Is a > |b|? (1) 2^(a - b) > 16 (2) |a b| < b

805+ (Hard) | Absolute Values +2 tags

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

1, 2

EgmatQuantExpert

23 Sep 2023, 02:57

131

22

17,731

by: bumpbot

13 Nov 2025, 07:48

ER

|x + 2| = |y + 2| what is the value of x + y ?

705-805 (Hard) | Absolute Values, Inequalities

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

1, 2

gauravsoni

17 Oct 2019, 10:37

183

22

24,671

by: anushree01

08 Nov 2025, 03:36

ER

Quick Sell Outlet sold a total of 40 televisions, each of

655-705 (Hard) | Statistics and Sets Problems

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

1, 2

bulletpoint

14 Oct 2013, 08:51

625

22

84,194

by: egmat

26 Sep 2025, 03:28

ER

In any sequence of n nonzero numbers, a pair of consecutive terms with

605-655 (Medium) | Sequences

605-655 (Medium) | Sequences hide tags

1, 2

Bunuel

26 Apr 2019, 02:32

244

22

38,841

by: Bunuel

09 Sep 2025, 03:10