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

176

15

78,577

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

188,434

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

487,780

by: bb

29 Aug 2025, 13:27

ER

The 10 students in a history class recently took an examination. What

555-605 (Medium) | Statistics and Sets Problems

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

1, 2

Bunuel

24 Jun 2018, 21:15

369

21

49,051

by: anushree01

03 Oct 2025, 20:35

ER

16 horses can haul a load of lumber in 24 minutes. 12 horses

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

1, 2

daviesj

22 Feb 2013, 03:21

151

21

17,051

by: Aboyhasnoname

18 Sep 2025, 20:08

ER

In the figure shown, what is the area of triangular region PRT?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

1, 2

yuvrajsub

22 Jul 2019, 09:41

377

21

76,282

by: bumpbot

18 Sep 2025, 04:28

ER

Is the square root of (x - 5)^2 = 5 - x ? (1) -x|x| > 0 (2) 5 - x > 0

605-655 (Medium) | Absolute Values, Inequalities

605-655 (Medium) | Absolute Values, Inequalities hide tags

1, 2

jjhko

13 Jan 2007, 11:52

334

21

53,702

by: bumpbot

21 Aug 2025, 12:08

ER

In the figure above, RST is a triangle with angle measures as shown an

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

1, 2

Bunuel

26 Apr 2019, 02:23

179

21

31,533

by: bumpbot

14 Aug 2025, 07:47

ER

Set J consists of terms {2, 7, 12, 17, a}. Is a > 7? (1) a is the

555-605 (Medium) | Statistics and Sets Problems

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

1, 2

Bunuel

07 Apr 2020, 05:26

13

21

6,667

by: bumpbot

29 Jul 2025, 23:11

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

270

21

44,444

by: ManishaPrepMinds

23 Jul 2025, 01:48

ER

Is k^2/m < 0 (1) -3 < k < 5 (2) 2 < m < 4

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

1, 2

shivanigs

13 May 2012, 23:47

31

21

16,845

by: bumpbot

27 Jun 2025, 10:24

ER

Of the four numbers represented on the number line above, is

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

1, 2

devinawilliam83

14 Jul 2016, 23:24

400

21

61,966

by: bumpbot

18 Jun 2025, 06:22

ER

If a, c, d, x, and y are positive integers such that ay < x and c/d is

805+ (Hard) | Fractions and Ratios, Number Properties

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

1, 2

Bunuel

04 May 2015, 06:13

95

21

9,685

by: bumpbot

13 Jun 2025, 04:21

ER

Ashok and Brian are both walking east along the same path

805+ (Hard) | Distance and Speed Problems

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

1, 2

saintforlife

01 Oct 2013, 08:54

219

21

31,564

by: bumpbot

31 May 2025, 06:26

ER

If the prime numbers p and t are the only prime factors of

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

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

1, 2

phoenixgmat

21 Mar 2012, 04:04

181

21

29,997

by: bumpbot

30 May 2025, 08:54

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

265

21

42,952

by: GmatKnightTutor

25 May 2025, 05:22

ER

Machines K, M, and N, each working alone at its constant rate, produce

705-805 (Hard) | Work and Rate Problems

705-805 (Hard) | Work and Rate Problems hide tags

1, 2

parkhydel

28 Apr 2020, 05:19

459

21

32,190

by: SudsMeister

17 May 2025, 09:09

ER

If x is a positive number, is x an even integer?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

1, 2

Ellipse

26 Aug 2012, 06:24

157

21

33,654

by: bumpbot

15 May 2025, 18:55

ER

If P is a set of integers and 3 is in P, is every positive

705-805 (Hard) | Multiples and Factors, Statistics and Sets Problems

705-805 (Hard) | Multiples and Factors, Statistics and Sets Problems hide tags

1, 2

Caffmeister

02 Jul 2010, 10:24

134

21

24,552

by: bumpbot

14 May 2025, 15:41

ER

If k is a positive integer and n = k(k + 7), is n divisible by 6?

605-655 (Medium) | Multiples and Factors, Remainders

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

1, 2

Jem2905

06 Jun 2022, 01:16

339

21

64,752

by: bumpbot

24 Apr 2025, 04:39

ER

Stations X and Y are connected by two separate, straight, parallel

705-805 (Hard) | Distance and Speed Problems

705-805 (Hard) | Distance and Speed Problems hide tags

1, 2

tenaman10

29 Mar 2009, 20:09

559

21

68,911

by: mbasimp

03 Apr 2025, 01:43

ER

If n is a positive integer, is n^3 n divisible by 4 ?

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

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

1, 2

bambazoon

18 Aug 2009, 08:53

247

21

54,287

by: bumpbot

28 Mar 2025, 10:00

ER

Can the positive integer p be expressed as the product of two integers

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

1, 2

Bunuel

27 Dec 2009, 05:49

128

21

51,339

by: totaltestprepNick

22 Mar 2025, 14:41

ER

A rectangle is plotted on the standard coordinate plane

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

1, 2

guygmat

19 Jun 2011, 23:18

77

21

20,602

by: bumpbot

20 Feb 2025, 09:09

ER

In the xy-coordinate plane, the slope of line l is 3/4. Does line l pa

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

1, 2

kabilank87

04 Jul 2018, 21:02

189

21

53,744

by: bumpbot

15 Jan 2025, 12:33

ER

If x is an integer, is (x^2+1)(x+5) an even number?

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

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

1, 2

mybudgie

30 Jan 2016, 02:36

239

21

63,759

by: Krunaal

10 Jan 2025, 08:08

ER

What is the area of triangular region ABC above?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

1, 2

Walkabout

03 Dec 2012, 04:54

61

21

45,010

by: bumpbot

14 Nov 2024, 20:10

ER

Any decimal that has only a finite number of nonzero digits

555-605 (Medium) | Fractions and Ratios, Number Properties

555-605 (Medium) | Fractions and Ratios, Number Properties hide tags

1, 2

vscid

17 Feb 2010, 16:58

65

21

20,949

by: bumpbot

27 Sep 2024, 01:54

ER

Is x|y| > y^2? (1) x > y (2) y > 0

555-605 (Medium) | Absolute Values, Inequalities

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

1, 2

devinawilliam83

11 Feb 2012, 01:54

78

21

21,764

by: bumpbot

09 Sep 2024, 23:39

ER

Is |x| = y + z?

655-705 (Hard) | Absolute Values, Inequalities

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

1, 2

pgmat

28 Nov 2013, 10:24

33

21

15,662

by: bumpbot

31 May 2024, 12:31

ER

If x and y are the lengths of the legs of a right triangle, what is th

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

1, 2

Bunuel

26 Apr 2019, 03:13

69

21

23,807

by: EMPOWERgmatRichC

15 Nov 2023, 14:24

ER

Is quadrilateral MNOP a square?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

1, 2

fozzzy

17 Jan 2013, 05:53

70

21

22,460

by: bumpbot

07 Nov 2023, 19:17

ER

Is ABCD a Rombus 1 ABCD is a Square 2. ABCD diagonals bisect

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

1, 2

rxs0005

23 Jul 2010, 06:03

48

21

15,674

by: bumpbot

23 Sep 2023, 07:43

ER

If x and y are integers and -x < y < x, does (x^2 - y^2)^(1/2) = x + y

805+ (Hard) | Absolute Values +2 tags

805+ (Hard) | Absolute Values, Coordinate Plane, Number Properties hide tags

1, 2

Bunuel

14 Jun 2017, 05:59

69

21

9,483

by: bumpbot

28 Aug 2023, 11:51

ER

If x is an integer and 4^x < 100, what is x?

655-705 (Hard) | Exponents, Inequalities

655-705 (Hard) | Exponents, Inequalities hide tags

1, 2

rite2deepti

24 May 2017, 21:26

98

21

20,921

by: bumpbot

20 Aug 2023, 06:51

ER

In the figure shown, the circle has center O and radius 50

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

1, 2

ajit257

03 Jan 2011, 18:18

48

21

26,212

by: bumpbot

14 Jul 2023, 23:08

ER

Is b/3 an integer?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

1, 2

valerjo79

26 Nov 2012, 03:16

75

21

15,351

by: bumpbot

10 Jul 2023, 09:58

ER

What is the area of parallelogram ABCD ?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

1, 2

tkarthi4u

04 Oct 2009, 08:30

57

21

23,425

by: bumpbot

15 Feb 2023, 04:21

ER

If ab ≠ 0, does a=b?

605-655 (Medium) | Algebra, Exponents

605-655 (Medium) | Algebra, Exponents hide tags

1, 2

gmattokyo

11 Oct 2013, 03:27

34

21

15,013

by: sanyasanha

08 Feb 2023, 21:14

ER

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

45,045

by: bumpbot

27 Jul 2022, 11:21

ER

ax + by=10, ay + bx=12. which one is greater here, x or y ?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

1, 2

Asifpirlo

05 Aug 2013, 00:56

61

21

12,196

by: bumpbot

08 Apr 2022, 16:46

ER

Is x > 0?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

1, 2

afife76

27 Feb 2014, 11:15

26

21

9,185

by: bumpbot

30 Oct 2021, 06:47

ER

Is the point (x,y) in the fourth quadrant?

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

1, 2

Jones105

23 Nov 2017, 23:59

8

21

8,023

by: Salsanousi

30 Sep 2018, 14:25

ER

A manufacturer conducted a survey to determine how many peop

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

1, 2

144144

10 Dec 2010, 12:32

337

20

73,694

by: bumpbot

19 Mar 2026, 11:22

ER

What is the absolute difference between the cubes of two

655-705 (Hard) | Algebra +2 tags

655-705 (Hard) | Algebra, Arithmetic, Exponents hide tags

1, 2

Smita04

15 Mar 2012, 23:23

88

20

13,782

by: vallequalle

17 Mar 2026, 07:14

ER

What is the greatest common divisor of positive integers m and n ?

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

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

1, 2

lahoosaher

06 Jun 2019, 08:23

412

20

91,529

by: totaltestprepNick

11 Mar 2026, 10:09

ER

If the average (arithmetic mean) of n consecutive odd integers is 10,

655-705 (Hard) | Statistics and Sets Problems

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

1, 2

tonebeeze

09 Dec 2010, 15:43

496

20

74,756

by: totaltestprepNick

04 Mar 2026, 12:01

ER

At a bakery, all donuts are priced equally and all bagels

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

1, 2

Walkabout

06 Dec 2012, 04:17

95

20

43,341

by: totaltestprepNick

02 Mar 2026, 08:15

ER

If Pat saved $600 of his earnings last month, how much did

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

1, 2

Bunuel

30 Jul 2012, 02:23

33

20

32,353

by: totaltestprepNick

25 Feb 2026, 15:14

ER

The only gift certificates that a certain store sold yesterday were

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

1, 2

Bunuel

25 Jun 2012, 02:58

193

20

43,121

by: bumpbot

04 Feb 2026, 10:08

ER

There are 10 books lying on a table. Is the proba

655-705 (Hard) | Min-Max Problems, Number Properties

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

1, 2

chetan2u

24 Jan 2017, 06:08

34

20

8,080

by: bumpbot

27 Jan 2026, 13:19

ER

Did it take Pei more than 2 hours to walk a distance of 10 miles along

605-655 (Medium) | Distance and Speed Problems

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

1, 2

neeraj.kaushal

08 May 2008, 20:28

211

20

48,235

by: bumpbot

27 Jan 2026, 05:34

ER

What is the average (arithmetic mean) annual salary of the 6 employees

605-655 (Medium) | Statistics and Sets Problems

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

1, 2

Bunuel

03 Aug 2018, 11:13

209

20

51,648

by: bumpbot

16 Jan 2026, 10:18