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

78,605

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

854

24

188,448

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

487,810

by: bb

29 Aug 2025, 13:27

ER

If $1,000 is deposited in a certain bank account and remains in the

705-805 (Hard) | Exponents, Percent and Interest Problems

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

1, 2

butterfly

01 Nov 2010, 17:32

511

21

64,363

by: bumpbot

07 Mar 2026, 09:03

ER

If the average (arithmetic mean) of the five numbers x, 7, 2, 16 and

555-605 (Medium) | Statistics and Sets Problems

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

1, 2

satishreddy

19 Oct 2010, 00:58

172

21

67,664

by: bumpbot

20 Mar 2026, 01:48

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If S is the sum of the first n positive integers, what is the value of

605-655 (Medium) | Inequalities, Statistics and Sets Problems

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

1, 2

abhi758

08 May 2010, 02:11

188

21

31,065

by: juliansorre

26 Mar 2026, 12:43

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At a certain bakery, each roll costs r cents and each doughnut costs

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

1, 2

joemama142000

18 Dec 2005, 18:08

86

21

21,412

by: bumpbot

07 Apr 2026, 03:06

ER

When integer A divide by 79 remainder is X and when integer B divided

805+ (Hard) | Multiples and Factors, Remainders

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

1, 2

Harley1980

20 Apr 2015, 23:12

29

22

6,451

by: bumpbot

01 Mar 2019, 16:17

ER

Is a^2*b > 0?

655-705 (Hard) | Absolute Values, Inequalities

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

1, 2

iamba

03 Jun 2015, 06:51

23

22

7,942

by: bumpbot

25 Oct 2021, 13:29

ER

Is |x| + |x - 1| = 1? (1) x ≥ 0 (2) x ≤ 1

555-605 (Medium) | Absolute Values, Inequalities

555-605 (Medium) | Absolute Values, Inequalities hide tags

1, 2

abhi758

08 Jun 2021, 08:38

58

22

17,450

by: bumpbot

10 Jul 2022, 22:59

ER

Is ABCD rectangular

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

1, 2

skamal7

20 Jul 2013, 09:46

54

22

11,370

by: bumpbot

05 Feb 2023, 00:14

ER

Is triangle ABC obtuse angled?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

1, 2

Tornikea

16 Aug 2015, 11:36

163

22

18,100

by: avigutman

23 Apr 2023, 07:05

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Does there exist an integer d such that x > d > 1 & x/d is an integer?

705-805 (Hard) | Inequalities, Number Properties

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

1, 2

noyaljoseph

24 Jan 2016, 21:33

50

22

10,481

by: bumpbot

14 Mar 2024, 01:00

ER

Is x an integer greater than 1?

805+ (Hard) | Inequalities, Number Properties

805+ (Hard) | Inequalities, Number Properties hide tags

1, 2

duahsolo

30 Jan 2017, 09:20

18

22

6,751

by: bumpbot

16 Jun 2024, 04:00

ER

The figure above shows a portion of a road map on which the measures

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

1, 2

Bunuel

26 Apr 2019, 07:48

175

22

24,017

by: bumpbot

24 Aug 2024, 09:53

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Is a < 0 ? (1) a^3 < a^2 + 2a (2) a^2 > a^3

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

1, 2

bagdbmba

19 Jun 2019, 07:14

37

22

9,925

by: bumpbot

03 Oct 2024, 23:48

ER

If x, y, and z are all positive integers, what is the

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

1, 2

Maxswe

08 Nov 2012, 10:27

26

22

13,320

by: bumpbot

22 Nov 2024, 02:06

ER

In the xy-plane, the straight-line graphs of the three equations above

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

1, 2

Bunuel

23 Mar 2025, 02:56

422

22

50,299

by: bumpbot

07 Jan 2025, 10:56

ER

How many different prime factors does positive integer n have?

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

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

1, 2

Bunuel

14 May 2015, 05:25

64

22

16,279

by: bumpbot

13 Jan 2025, 12:36

ER

If d is a positive integer and f is the product of the first 30 positi

605-655 (Medium) | Exponents +2 tags

605-655 (Medium) | Exponents, Multiples and Factors, Number Properties hide tags

1, 2

enigma123

27 Aug 2019, 01:58

499

22

59,747

by: bumpbot

01 Feb 2025, 09:14

ER

Is x^2 + y^2 > 100? (1) 2xy < 100 (2) (x + y)^2 > 200

805+ (Hard) | Algebra, Exponents

805+ (Hard) | Algebra, Exponents hide tags

1, 2

arvindg

09 Jun 2021, 08:42

255

22

36,639

by: Pablopikachu

28 Mar 2025, 13:11

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Set A consists of 25 distinct numbers. We pick n numbers

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

1, 2

Bunuel

09 Jul 2013, 15:29

58

22

24,787

by: bumpbot

02 Apr 2025, 23:15

ER

If Bob produces 36 or fewer in a week, he is paid X dollars

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

1, 2

msunny

17 May 2012, 05:27

345

22

59,280

by: bumpbot

03 Apr 2025, 12:46

ER

In how many ways can a coach select a 4-person university team from a

505-555 (Easy) | Combinations +2 tags

505-555 (Easy) | Combinations, Statistics and Sets Problems, Word Problems hide tags

1, 2

pate13

24 Aug 2015, 17:49

64

22

15,861

by: bumpbot

18 Apr 2025, 05:16

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

264

22

48,267

by: bumpbot

19 Apr 2025, 12:21

ER

If p is a positive integer, what is the value of p?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

1, 2

jimmyjamesdonkey

09 Apr 2014, 01:17

114

22

62,889

by: Bunuel

01 May 2025, 13:17

ER

If x is to be selected at random from T, what is the probabi

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

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

1, 2

vksunder

18 Aug 2008, 12:17

146

22

29,207

by: Bunuel

17 May 2025, 10:26

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If a and b are integers, is a^5 < 4^b ? (1) a^3 = –27 (2) b^2 = 16

555-605 (Medium) | Exponents, Inequalities

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

1, 2

Bunuel

26 Apr 2019, 02:38

170

22

30,189

by: minnieminnoon

02 Jun 2025, 04:40

ER

Is the standard deviation of the numbers X, Y and Z equal to

505-555 (Easy) | Statistics and Sets Problems

505-555 (Easy) | Statistics and Sets Problems hide tags

1, 2

fozzzy

17 Jan 2013, 06:15

137

22

29,841

by: bumpbot

25 Jun 2025, 04:58

ER

S is a set of points in the plane. How many distinct triangles can be

Sub 505 (Easy) | Combinations, Coordinate Plane

Sub 505 (Easy) | Combinations, Coordinate Plane hide tags

1, 2

GGUY

15 Mar 2008, 00:41

383

22

66,613

by: Bunuel

31 Jul 2025, 23:54

ER

A milk vendor mixes water with milk and sells the mixture at the same

805+ (Hard) | Mixture Problems

805+ (Hard) | Mixture Problems hide tags

1, 2

CapnSal

11 Jun 2024, 03:43

233

22

16,507

by: k11work

03 Aug 2025, 09:59

ER

Pam owns an inventory of unopened packages of corn and rice

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

1, 2

Vinayprajapati

15 Apr 2016, 21:55

196

22

17,925

by: bumpbot

23 Aug 2025, 12:55

ER

Sequence S consists of 24 nonzero integers. If each term in

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

1, 2

zisis

04 Jun 2013, 04:55

52

22

19,564

by: bumpbot

28 Aug 2025, 06:45

ER

What is the probability of selecting a clean number from a s

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

1, 2

GMATT73

26 Oct 2005, 07:52

54

22

26,091

by: bumpbot

29 Aug 2025, 22:16

ER

If r and s are positive integers, is r/s an integer?

555-605 (Medium) | Multiples and Factors

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

1, 2

BANON

23 Feb 2012, 08:13

367

22

75,632

by: bumpbot

04 Sep 2025, 21:45

ER

M and N are integers such that 6<M<N.What is the value of N?

655-705 (Hard) | Arithmetic +2 tags

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

1, 2

AbdurRakib

18 Jun 2021, 14:16

655

22

63,663

by: bumpbot

08 Sep 2025, 13:33

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

38,836

by: Bunuel

09 Sep 2025, 03:10

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

84,193

by: egmat

26 Sep 2025, 03:28

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

24,670

by: anushree01

08 Nov 2025, 03:36

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

17,729

by: bumpbot

13 Nov 2025, 07:48

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

28,461

by: bumpbot

23 Nov 2025, 06:45

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

7,736

by: JAMOO

24 Nov 2025, 23:14

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

82,770

by: bumpbot

30 Nov 2025, 10:41

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

41,455

by: bumpbot

19 Dec 2025, 10:19

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

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

8,856

by: DishaAgarwal12

25 Feb 2026, 09:48

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

79,474

by: totaltestprepNick

01 Mar 2026, 14:18

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

39,999

by: bumpbot

27 Mar 2026, 15:49

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

58,443

by: Gmat860sanskar

30 Mar 2026, 12:11

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

56,920

by: bumpbot

07 Apr 2026, 12:44

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

51,474

by: bumpbot

12 Apr 2026, 07:52

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

396

22

35,385

by: bumpbot

15 Apr 2026, 18:52

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

905

22

84,939

by: bumpbot

24 Apr 2026, 06:38