GMAT Data Sufficiency (DS) Forum - Free Practice Questions

ER

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

Bunuel

25 Oct 2022, 08:11

178

15

78,895

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

857

24

188,631

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,105

by: bb

29 Aug 2025, 13:27

ER

Is |x − z − y| > x − z + y?

655-705 (Hard) | Absolute Values, Inequalities

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

gmat66

15 Feb 2018, 09:33

45

12

8,637

by: KarishmaB

17 Nov 2023, 23:17

ER

If x and y are positive integer, what is the remainder when

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

gmat620

02 Nov 2009, 07:15

27

6

6,258

by: bumpbot

25 Jul 2024, 20:59

ER

If vertices of a triangle have coordinates (-1,0), (4,0), and (0,A)

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

1, 2

gmat620

15 May 2023, 23:51

160

32

41,312

by: bumpbot

19 Jun 2024, 00:49

ER

What is the value of x? 1) x^2 + x + 10 = 16 2) x = 4y^4+2y^2+2

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

GMAT4937

26 Jan 2016, 14:15

140

17

25,035

by: bumpbot

20 Jul 2025, 17:31

ER

If |a + 5| = |b + 5| what is the value of a + b?

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

gmat2805

24 Jul 2013, 23:14

114

18

21,248

by: bumpbot

12 Jun 2025, 22:53

ER

Ann, Beth, and Steve each spent some amount of time

555-605 (Medium) | Statistics and Sets Problems

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

gmat2324

30 Jun 2024, 14:35

33

7

6,595

by: ManifestDreamMBA

05 Mar 2025, 08:19

ER

Is the range of them greater than 3?

605-655 (Medium) | Statistics and Sets Problems

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

gmat2015p

12 Dec 2015, 03:00

51

5

11,731

by: bumpbot

24 Feb 2026, 09:22

ER

If p is an integer, is p/18 an integer?

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

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

gmat1393

09 Jul 2018, 23:25

21

3

5,861

by: bumpbot

24 Nov 2025, 09:27

ER

The Middlebury train station is between the Appleton and Lancaster sta

555-605 (Medium) | Distance and Speed Problems

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

gmat1393

03 Oct 2018, 20:58

66

11

12,308

by: bumpbot

26 Aug 2025, 23:39

ER

A recent lunch meeting at a certain club was attended by members and

Sub 505 (Easy) | Algebra, Word Problems

Sub 505 (Easy) | Algebra, Word Problems hide tags

gmat1393

28 Jul 2025, 10:55

9

3

9,229

by: bumpbot

28 Jul 2025, 10:53

ER

A certain electronics store purchased 500 tablets for $150 each.

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

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

gmat1393

26 Feb 2019, 19:46

13

3

3,091

by: bumpbot

10 Jul 2024, 13:14

The scores obtained by Ben and Molly in three tests is shown in the ta

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

gmat1393

13 Apr 2019, 06:22

6

4

4,661

by: Deep32470

15 Jun 2023, 06:52

Is xy + xz = 0? (1) x = 0 (2) y + z = 0

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

gmat1393

16 Oct 2018, 21:53

2

3

6,981

by: bumpbot

02 Feb 2023, 03:14

ER

In the equation ax^2 + bx + c = 0, where a, b and c are constants and

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

gmat1393

02 Feb 2019, 00:45

16

5

6,391

by: bumpbot

26 Jul 2022, 18:51

ER

For 3 positive integers a, b & c, is c equal to the median?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

gmat1393

17 Jan 2019, 10:14

5

2

2,234

by: bumpbot

05 Jul 2020, 16:47

ER

What is the value of 2x + 2y ? (1) 3x + 5y = 60 (2) 5x + 3y = 68

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

gmat1393

24 Oct 2018, 08:26

1

3

6,920

by: SaikatRoy

12 Mar 2020, 03:25

ER

When Sarah visited the Canadian side of Niagara Falls, her cell phone

655-705 (Hard) | Algebra, Word Problems

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

gmat1393

05 Oct 2019, 10:16

1

2,162

by: ccooley

05 Oct 2019, 15:08

ER

For a certain exam, was the standard deviation of the scores

605-655 (Medium) | Statistics and Sets Problems

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

gmat1220

09 May 2011, 00:12

85

11

11,661

by: bumpbot

18 Apr 2026, 23:38

ER

Is n^2 < n^3 ? (1) n^2 < 1 (2) n^3 < 1

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

gmat1220

12 Jul 2021, 07:30

11

9

5,610

by: bumpbot

30 Nov 2023, 20:07

ER

If & represents one of the operations +, - and x. Is (a&b) +

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

gmat1011

25 Nov 2010, 01:40

21

8

9,885

by: bumpbot

14 Jun 2025, 04:07

ER

Is |a| = b - c ?

605-655 (Medium) | Absolute Values

605-655 (Medium) | Absolute Values hide tags

gmat1011

23 Sep 2018, 09:13

18

19

8,105

by: bumpbot

01 Mar 2020, 04:23

ER

Last year, the five employees of company X took an average

605-655 (Medium) | Statistics and Sets Problems

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

GMAT10

22 Aug 2012, 01:28

107

17

27,757

by: bumpbot

29 Sep 2025, 07:36

ER

What is the length of segment BC?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

GMAT TIGER

09 Oct 2019, 21:23

121

13

49,338

by: bumpbot

23 Sep 2025, 19:38

ER

Are all the numbers in a certain list of 20 numbers equal?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

GMAT TIGER

11 Jul 2013, 23:10

10

11

6,604

by: bumpbot

31 Jan 2025, 08:01

ER

What is the value of (x + y)^4 ?

555-605 (Medium) | Algebra, Number Properties

555-605 (Medium) | Algebra, Number Properties hide tags

GMAT TIGER

17 Oct 2009, 23:27

2

8

4,210

by: Bunuel

11 Oct 2013, 04:28

ER

'PQ' represents a two digit number. What is the remainder when PQ is

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

Gmanimesh

01 Sep 2022, 05:12

5

3

2,317

by: bumpbot

16 Jan 2025, 02:04

ER

What is the remainder when X is divided by 8?

805+ (Hard) | Remainders

805+ (Hard) | Remainders hide tags

Gmanimesh

01 Sep 2022, 04:28

19

5

3,900

by: chetan2u

24 Apr 2024, 04:16

ER

A newer machine, working alone at its constant rate

805+ (Hard) | Work and Rate Problems

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

gmacforjyoab

26 Oct 2013, 14:42

241

18

32,908

by: bumpbot

16 Jul 2025, 21:51

ER

A home owner must pick between paint A, which costs $6.00

Poor Quality

Poor Quality hide tags

gmac25

17 Aug 2009, 15:08

7

8

9,116

by: Bunuel

12 May 2013, 02:50

ER

In the figure above, is quadrilateral PQRS a parallelogram?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

gluon

21 Jul 2015, 03:04

54

10

24,377

by: bumpbot

23 Oct 2024, 04:52

ER

Is the standard deviation of the salaries of Company Y s

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

gluon

08 Sep 2007, 13:14

27

6

20,834

by: bumpbot

25 Dec 2023, 13:17

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

gluon

23 Dec 2013, 00:08

16

7

8,776

by: Bunuel

23 Dec 2013, 00:09

ER

How many students does Professor Garcia currently have in his class?

555-605 (Medium) | Algebra, Arithmetic

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

GloryBoy92

02 Jun 2019, 00:28

7

5

3,950

by: bumpbot

23 Jan 2023, 06:01

If a and b are positive integers, what is the value of a/b?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

GloryBoy92

16 Aug 2019, 07:39

6

3

2,902

by: bumpbot

10 Dec 2020, 20:44

ER

If x is an integer, is x ≤ 11? (1) 7x < 77 (2) 190 - 20x <10

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

GloryBoy92

16 Jun 2019, 02:48

3

8

1,622

by: Debashis Roy

17 Jun 2019, 09:03

ER

In the figure above, is MN > LM ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

GloryBoy92

01 Jun 2019, 12:54

1

2

3,711

by: CrackverbalGMAT

03 Jun 2019, 14:52

ER

A car manufacturer organized a test drive of two of its prototypes.

805+ (Hard) | Statistics and Sets Problems

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

globaldesi

17 Aug 2020, 22:13

28

10

5,312

by: bumpbot

16 Jul 2025, 22:22

ER

What is the perimeter of rectangle Z?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

globaldesi

05 May 2021, 21:47

1

3,011

by: MarmikUpadhyay

05 May 2021, 21:55

-1

During ten months of each year, the regulated water supply to Bo's

655-705 (Hard) | Non-Math Related

655-705 (Hard) | Non-Math Related hide tags

glagad

21 Nov 2025, 22:06

40

7

3,857

by: SethTestCrackers

19 Jan 2026, 20:54

ER

Is x > y? (1) x - y > 3 (2) x + y > 3

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Gladiator59

23 Mar 2018, 13:54

5

4

1,793

by: bumpbot

22 Oct 2023, 03:11

ER

Is x > 3 ? (1) (x - 3)(x - 2)(x - 1) > 0 (2) x > 1

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

GK_Gmat

04 Jul 2007, 01:30

6

5

7,867

by: VivekSri

24 Oct 2023, 08:14

ER

The area of a rectangle is 80. What is the angle between the

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

GK_Gmat

21 Dec 2007, 04:40

13

6

14,014

by: Bunuel

23 Feb 2023, 02:02

ER

if x and y are positive integers, is xy evenly divisible by 4?

555-605 (Medium) | Multiples and Factors

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

GKomoku

10 Apr 2020, 04:22

5

4

3,487

by: RJJ

03 Jan 2026, 04:00

ER

What is greater, x or 1/x ?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

GKomoku

09 Apr 2020, 11:25

11

2

3,564

by: bumpbot

16 Jun 2025, 01:48

Law firm A receives cost by charging a fixed cost $a plus an

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

GKomoku

20 Aug 2019, 06:45

3

2

1,932

by: callingTardis

30 Apr 2025, 07:58

ER

Is quadrilateral ABCD a rectangle?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

GKomoku

09 Apr 2020, 12:29

7

4

3,896

by: bumpbot

04 Jul 2023, 11:16

ER

In a certain law firm there are five senior partners and five junior..

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

GKomoku

09 Apr 2020, 11:41

10

3

4,039

by: bumpbot

05 Nov 2022, 21:09

ER

A piece of paper in the shape of an isosceles right triangle is cut...

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

GKomoku

10 Apr 2020, 03:04

6

3

4,089

by: Victor19

07 Oct 2021, 02:14

ER

What is the length of side AC of triangle ABC?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

GKomoku

10 Apr 2020, 03:55

1

2,989

by: CrackverbalGMAT

12 Apr 2020, 09:10

ER

In the given diagram, ABC is a right angle. What is the value for z ?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

GKomoku

10 Apr 2020, 09:20

1

1,124

by: GMATinsight

11 Apr 2020, 04:11