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

183

15

83,925

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

863

24

191,927

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

491,928

by: bb

29 Aug 2025, 13:27

ER

How many integers n are there such that r < n < s ?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

29 Sep 2010, 07:05

303

18

42,500

by: totaltestprepNick

04 Mar 2026, 11:35

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If y>=0, What is the value of x? (1) |x-3|>=y (2) |x-3|<=-y

705-805 (Hard) | Absolute Values, Inequalities

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

ugimba

09 Jan 2010, 14:17

302

15

45,817

by: manan01

19 Nov 2025, 10:05

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Two points, N and Q (not shown), lie to the right of point M on line l

605-655 (Medium) | Fractions and Ratios

605-655 (Medium) | Fractions and Ratios hide tags

1, 2

Bunuel

20 Aug 2025, 23:54

302

20

51,553

by: Shreyaarora

20 Aug 2025, 23:35

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The only articles of clothing in a certain closet are shirts, dresses,

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

16 Jun 2016, 06:05

302

19

46,852

by: goaltop30mba

30 Jul 2025, 15:23

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If w, x, y and z are integers such that w/x and y/z are integers, is

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

japped187

21 Oct 2019, 10:24

302

16

48,248

by: bumpbot

26 Apr 2025, 01:43

ER

A certain one-day seminar consisted of a morning session and

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

adarsh12345

01 Sep 2019, 13:33

301

19

69,030

by: bumpbot

30 Apr 2026, 19:36

ER

In a two-month survey of shoppers, each shopper bought one of two bran

555-605 (Medium) | Percent and Interest Problems, Word Problems

555-605 (Medium) | Percent and Interest Problems, Word Problems hide tags

moonwalking

19 Jul 2017, 14:20

299

13

46,046

by: bumpbot

30 Apr 2026, 05:57

ER

A college admissions committee will grant a certain number

605-655 (Medium) | Combinations

605-655 (Medium) | Combinations hide tags

nverma

12 Apr 2010, 13:56

296

17

36,271

by: luisdicampo

15 Apr 2026, 08:25

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

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

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

banksy

29 Oct 2013, 06:22

296

12

29,618

by: bumpbot

09 Jan 2026, 08:17

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

605-655 (Medium) | Multiples and Factors

605-655 (Medium) | Multiples and Factors hide tags

Nihit

04 Mar 2019, 08:09

294

15

56,688

by: Bunuel

20 Feb 2026, 10:36

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If sequences S has 240 terms, what is the 239th term of S?

605-655 (Medium) | Sequences

605-655 (Medium) | Sequences hide tags

teeva

29 Sep 2013, 19:57

293

19

62,543

by: bumpbot

28 Mar 2026, 21:32

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

555-605 (Medium) | Percent and Interest Problems, Word Problems

555-605 (Medium) | Percent and Interest Problems, Word Problems hide tags

NeverSurrender

11 Oct 2013, 03:29

293

19

63,120

by: bumpbot

19 Aug 2025, 07:37

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If x,y,and z are positive numbers,what is the value of the average (ar

555-605 (Medium) | Statistics and Sets Problems

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

1, 2

AbdurRakib

24 Jun 2017, 03:22

292

27

59,391

by: bumpbot

28 Sep 2025, 16:07

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If x is a positive integer, is x^(1/2) an integer

505-555 (Easy) | Algebra, Roots

505-555 (Easy) | Algebra, Roots hide tags

Bunuel

13 Jan 2014, 01:51

291

15

50,543

by: bumpbot

08 Mar 2025, 20:14

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If x is an integer, does x have a factor n such that 1 < n < x?

555-605 (Medium) | Multiples and Factors, Number Properties

555-605 (Medium) | Multiples and Factors, Number Properties hide tags

zisis

08 Sep 2010, 11:52

291

14

29,269

by: Bunuel

21 Feb 2025, 10:40

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If ab ≠ 0, is ab > a/b ?

805+ (Hard) | Absolute Values, Inequalities

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

gmatquant25

25 May 2014, 12:32

289

18

34,214

by: bumpbot

03 Oct 2024, 06:51

ER

In the xy-plane, point (r, s) lies on a circle with center at the orig

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

saurya_s

25 Nov 2020, 17:07

287

18

46,550

by: egmat

22 Jan 2026, 04:31

ER

What is the probability that a student randomly selected from a class

555-605 (Medium) | Overlapping Sets, Probability

555-605 (Medium) | Overlapping Sets, Probability hide tags

nocilis

05 Feb 2019, 05:45

287

17

191,595

by: Rickooreoisb

08 Jan 2026, 09:06

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Is |a-c| + |a| = |c|? (1) ab > bc (2) ab < 0

805+ (Hard) | Absolute Values, Inequalities

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

1, 2

RashedVai

18 Jul 2021, 07:22

286

21

20,030

by: bumpbot

02 Jan 2026, 05:08

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If z is a three-digit positive integer, what is the value of

605-655 (Medium) | Fractions and Ratios

605-655 (Medium) | Fractions and Ratios hide tags

arjtryarjtry

31 May 2013, 04:43

286

6

24,652

by: bumpbot

28 Aug 2025, 09:22

ER

In a group of 80 college students, how many own a car?

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

1, 2

Hussain15

03 Oct 2017, 02:31

285

25

33,761

by: bumpbot

28 Apr 2026, 18:01

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If n and k are positive integers, is (n + k)^(1/2) > 2n^(1/2)?

505-555 (Easy) | Inequalities, Roots

505-555 (Easy) | Inequalities, Roots hide tags

Walkabout

26 Dec 2012, 05:31

285

18

56,958

by: totaltestprepNick

28 Feb 2026, 09:20

ER

Michael arranged all his books in a bookcase with 10 books on each she

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

10 Feb 2014, 00:27

284

15

42,768

by: bumpbot

22 Apr 2026, 13:00

ER

Martha bought an armchair and a coffee table at an action and sold bot

605-655 (Medium) | Percent and Interest Problems, Word Problems

605-655 (Medium) | Percent and Interest Problems, Word Problems hide tags

nonameee

10 Jan 2012, 04:05

283

14

51,370

by: luisdicampo

15 Apr 2026, 07:48

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The range of the numbers in set S is x, and the range of the

555-605 (Medium) | Statistics and Sets Problems

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

Walkabout

14 Dec 2012, 03:47

280

15

51,969

by: Usernamevisible

02 Jun 2026, 00:24

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Rasheed bought two kinds of candy bars, chocolate and toffee, that cam

555-605 (Medium) | Fractions and Ratios, Word Problems

555-605 (Medium) | Fractions and Ratios, Word Problems hide tags

enigma123

21 Mar 2012, 12:37

280

11

56,879

by: bumpbot

14 Oct 2025, 23:22

ER

If 0 < x < 1, is it possible to write x as a terminating dec

705-805 (Hard) | Fractions and Ratios, Number Properties

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

1, 2

Rock750

24 Jun 2013, 02:20

279

21

34,131

by: arunbhati

17 Jan 2026, 05:02

ER

A student has decided to take GMAT and TOEFL examinations

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

1, 2

cyberjadugar

19 Jun 2012, 08:52

279

33

30,505

by: bumpbot

12 Dec 2025, 13:31

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Circle 1, Circle 2 and Circle 3 have the same center, and have a radiu

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

1, 2

inakihernandez

28 Apr 2016, 11:26

279

25

66,629

by: bumpbot

16 Dec 2023, 00:56

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If zy < xy < 0, is |x - z | + |x| = |z|?

Poor Quality

Poor Quality hide tags

1, 2

rgtiwari

17 Sep 2010, 12:10

279

21

45,380

by: bumpbot

27 Jul 2022, 11:21

ER

Was Store K's profit last month at least 10 percent greater than its

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

parkhydel

28 Apr 2020, 05:13

278

15

28,557

by: Paspad

03 Feb 2026, 11:12

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

275

22

41,863

by: bumpbot

19 Dec 2025, 10:19

ER

Leo can buy a certain computer for p1 dollars in State A, where the sa

655-705 (Hard) | Percent and Interest Problems, Word Problems

655-705 (Hard) | Percent and Interest Problems, Word Problems hide tags

Orange08

05 Sep 2010, 06:58

274

17

39,801

by: bumpbot

03 Jun 2026, 04:53

ER

For the students in class A, the range of their heights is r centimete

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

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

BANON

23 Feb 2012, 08:12

274

14

55,931

by: totaltestprepNick

04 Mar 2026, 11:28

ER

For a certain city's library, the average cost of purchasing each new

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

1, 2

AbdurRakib

22 Jun 2017, 15:43

274

21

44,772

by: ManishaPrepMinds

23 Jul 2025, 01:48

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If x is a positive integer, what is the least common multiple of x, 6

555-605 (Medium) | Multiples and Factors

555-605 (Medium) | Multiples and Factors hide tags

mrsmarthi

09 Mar 2009, 21:12

273

17

55,085

by: totaltestprepNick

23 Feb 2026, 13:00

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A rectangular solid has length, width, and height of L cm, W cm, and H

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

1, 2

Bunuel

26 Apr 2019, 03:29

273

28

45,041

by: bumpbot

07 Sep 2023, 20:12

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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

33,175

by: bumpbot

15 Jun 2024, 03:55

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If k, m, and t are positive integers and k/6 + m/4 = t/12, do t and 12

655-705 (Hard) | Multiples and Factors

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

Stiv

05 Feb 2019, 03:31

271

9

39,005

by: egmat

13 Oct 2025, 10:00

ER

X grams of water were added to the 80 grams of a strong

805+ (Hard) | Mixture Problems

805+ (Hard) | Mixture Problems hide tags

prasun84

18 Nov 2008, 11:16

270

10

32,926

by: Gmat860sanskar

04 May 2026, 09:57

ER

If k is an integer such that 56 < k < 66, what is the value

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

Walkabout

06 Dec 2012, 07:56

270

16

58,315

by: totaltestprepNick

24 Feb 2026, 13:28

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

28,664

by: bumpbot

23 Nov 2025, 06:45

ER

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

48,691

by: bumpbot

26 Feb 2025, 03:21

ER

A jar contains 8 red marbles and y white marbles. If Joan takes 2 rand

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

1, 2

Orange08

26 Sep 2010, 12:55

269

22

48,561

by: bumpbot

12 May 2026, 22:41

ER

A certain mixture of paint requires blue, yellow, and red paints in

505-555 (Easy) | Fractions and Ratios +2 tags

505-555 (Easy) | Fractions and Ratios, Mixture Problems, Word Problems hide tags

Bunuel

26 Jun 2017, 02:07

269

18

50,013

by: bumpbot

24 Jan 2026, 08:17

ER

Prof Liu gave the same quiz to the students in her morning class and

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

[email protected]

23 Jan 2024, 06:52

269

19

51,133

by: bumpbot

21 Aug 2025, 12:01

ER

What is x? (1) |x| < 2 (2) |x| = 3x – 2

655-705 (Hard) | Absolute Values, Inequalities

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

rohitgoel15

20 Mar 2020, 06:28

268

15

63,725

by: bumpbot

23 Sep 2025, 16:58

ER

In each game of a certain tournament, a contestant either loses 3 poin

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

1, 2

Bunuel

16 Jun 2016, 04:25

268

21

43,271

by: GmatKnightTutor

25 May 2025, 05:22

ER

Two positive integers a and b are divisible by 5, which is their

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

1, 2

EgmatQuantExpert

13 Aug 2018, 03:10

266

27

43,196

by: bumpbot

04 Oct 2025, 09:50

ER

If k is a positive integer, then 20k is divisible by how man

555-605 (Medium) | Multiples and Factors, Number Properties

555-605 (Medium) | Multiples and Factors, Number Properties hide tags

hellzangl

22 Aug 2013, 04:17

265

16

56,218

by: bumpbot

23 Nov 2025, 08:47