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

78,823

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

856

24

188,583

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

488,018

by: bb

29 Aug 2025, 13:27

ER

If a*b*c=60, where a, b, and c are integers greater than 1

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

stunn3r

25 Jun 2013, 02:03

5

4

5,012

by: bumpbot

13 Jan 2022, 06:35

ER

Of the members of a certain health club, 30 percent are wome

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

ankurjohar

24 Jun 2013, 12:08

33

9

8,356

by: bumpbot

05 Feb 2025, 04:24

ER

What is the value of |y|?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

bagdbmba

24 Jun 2013, 06:10

2

3,512

by: madn800

04 Jun 2014, 19:20

ER

If list S contains nine distinct integers, at least one of w

805+ (Hard) | Statistics and Sets Problems

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

Rock750

24 Jun 2013, 03:07

110

15

22,109

by: bumpbot

05 Aug 2025, 05:56

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

33,971

by: arunbhati

17 Jan 2026, 05:02

ER

In the xy-plane, region A consists of all the points (x,y)

655-705 (Hard) | Coordinate Plane, Inequalities

655-705 (Hard) | Coordinate Plane, Inequalities hide tags

josemnz83

10 Dec 2015, 02:26

36

10

7,944

by: ScottTargetTestPrep

27 Jan 2021, 06:06

ER

A transportation token is originally a circle. When collecte

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

fozzzy

23 Jun 2013, 02:59

3

4

2,550

by: bumpbot

26 Aug 2016, 07:52

ER

Two cars are traveling side-by-side along the same road. At

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

fozzzy

22 Jun 2013, 23:50

6

8

5,214

by: bumpbot

30 Aug 2022, 23:01

ER

Pat traveled a distance of 240 miles in x hours. For a part

605-655 (Medium) | Distance and Speed Problems

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

innocous

22 Jun 2013, 01:04

11

5

4,557

by: SmileAndSolve

13 Jun 2025, 11:33

ER

[x] denotes the greatest integer less than or equal to x.

605-655 (Medium) | Arithmetic, Functions and Custom Characters

605-655 (Medium) | Arithmetic, Functions and Custom Characters hide tags

fozzzy

22 Jun 2013, 00:26

101

5

17,376

by: bumpbot

17 Aug 2025, 06:03

ER

Over a seven-week period a company monitored the output of t

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

fozzzy

21 Jun 2013, 22:18

17

5

8,894

by: bumpbot

11 Aug 2024, 05:13

ER

A school district is organized such that each of its D

805+ (Hard) | Fractions and Ratios

805+ (Hard) | Fractions and Ratios hide tags

atalpanditgmat

20 Jun 2013, 22:57

40

17

8,385

by: bumpbot

21 Dec 2025, 05:17

A runner starts running on a circular path of radius 'r'

Poor Quality

Poor Quality hide tags

atalpanditgmat

18 Jun 2013, 22:16

4

3

7,789

by: mattce

20 Jun 2013, 09:03

ER

N is an integer. Is N negative ?

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

guerrero25

18 Jun 2013, 15:49

10

11

3,171

by: akshayk

12 Aug 2017, 05:42

ER

What is the difference of the integers m and n ?

655-705 (Hard) | Absolute Values, Inequalities

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

guerrero25

18 Jun 2013, 15:41

18

10

4,657

by: bumpbot

13 Jun 2019, 22:57

ER

Is x=1?

705-805 (Hard) | Fractions and Ratios

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

bagdbmba

18 Jun 2013, 09:16

48

3

5,143

by: Bunuel

22 Sep 2020, 01:01

ER

What is the value of a two-digit positive integer n, where i

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

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

fozzzy

17 Jun 2013, 02:19

13

6

4,149

by: bumpbot

11 Jul 2023, 04:49

ER

The radii of two circles are 2 inches and 4 inches, respecti

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

atalpanditgmat

16 Jun 2013, 04:47

7

16

4,316

by: bumpbot

11 Aug 2019, 22:35

ER

If n is a positive integer, what is the units digit of n?

655-705 (Hard) | Fractions and Ratios, Number Properties

655-705 (Hard) | Fractions and Ratios, Number Properties hide tags

fozzzy

16 Jun 2013, 00:10

60

7

13,136

by: DmitryFarberMPrep

18 May 2024, 22:46

ER

There are three circles, with radii 2, 4 and 5, respectively

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

guerrero25

15 Jun 2013, 13:26

17

9

6,526

by: bumpbot

26 Mar 2023, 11:57

ER

If n is a four-digit positive integer, then what is the tens

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

fozzzy

15 Jun 2013, 08:02

35

10

5,927

by: bumpbot

06 Apr 2025, 19:57

ER

In the figure to the left, what is the ratio of CD/AD ?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

fozzzy

15 Jun 2013, 06:58

4

2,965

by: bumpbot

11 Jan 2022, 20:36

ER

The lines m, l, and n intersect at point Q. What are the mea

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

fozzzy

15 Jun 2013, 05:44

8

6

4,826

by: bumpbot

23 Jul 2021, 09:00

ER

A sales manager must select a team of either three or of fou

655-705 (Hard) | Combinations, Word Problems

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

fozzzy

15 Jun 2013, 05:27

38

6

9,814

by: egmat

26 Sep 2025, 02:18

ER

If ax^2 + bx^3 = 5, where a and b are non-zero numbers, what

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

atalpanditgmat

19 Jun 2013, 14:39

22

7

8,183

by: bumpbot

12 Jul 2025, 12:53

ER

892,132,24x If x represents the units digit of the number a

555-605 (Medium) | Multiples and Factors

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

atalpanditgmat

14 Jun 2013, 11:39

4

5,366

by: Lastlap2016

26 Apr 2016, 22:56

ER

What are the coordinates of point A?

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

sps1604

13 Jun 2013, 08:21

53

12

12,302

by: bumpbot

24 Sep 2023, 20:10

ER

The sum of two positive integers, m and n, is a multiple of

705-805 (Hard) | Multiples and Factors, Remainders

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

sps1604

13 Jun 2013, 05:57

57

9

9,463

by: bumpbot

03 May 2024, 17:33

ER

If pq 0, is p + q > 1/p + 1/q? (1) p < q < 1 (2) pq < 1

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

BengalScientist

12 Jun 2013, 19:33

29

8

10,967

by: bumpbot

24 Aug 2025, 21:52

ER

Line M is tangent to a circle, which is centered on point

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

nitestr

12 Jun 2013, 18:45

29

10

12,175

by: bumpbot

02 Jan 2024, 11:07

ER

What is the probability that rs=r?

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

Rs1991

12 Jun 2013, 14:29

87

14

12,165

by: bumpbot

01 Dec 2025, 06:47

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

8,635

by: KarishmaB

17 Nov 2023, 23:17

ER

Given the linear equation y = kx + n, for what values of x w

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

fozzzy

12 Jun 2013, 03:04

5

2

4,768

by: bumpbot

28 Jun 2021, 09:14

ER

Store R and S each discounted their selling prices of a cert

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

summer101

11 Jun 2013, 02:04

3

3,540

by: bumpbot

12 Apr 2022, 23:16

ER

The figure above represents a rectangular tile. The 8 hexago

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

summer101

11 Jun 2013, 06:19

7

10

5,319

by: BillyZ

15 Jan 2017, 01:31

ER

Line L passes through points R(0, -5 ) and S(4,0) (see figure above).

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

15 Oct 2017, 09:49

33

12

9,702

by: bumpbot

20 Mar 2023, 07:05

ER

In the first hour of a bake sale, students sold either cho

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

emmak

08 Jun 2013, 19:04

90

14

15,793

by: bumpbot

08 Jul 2025, 18:06

ER

Is m > 0 ? (1) m^2/(-3) < 0 (2) (-m)(-5) > 0

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Rs1991

08 Jun 2013, 16:49

2

3

3,209

by: bumpbot

27 Oct 2020, 08:17

ER

If x$y = x – y for all values of x and y, is a$b greater t

605-655 (Medium) | Functions and Custom Characters, Inequalities

605-655 (Medium) | Functions and Custom Characters, Inequalities hide tags

emmak

08 Jun 2013, 02:21

23

2

6,204

by: bumpbot

12 Jan 2026, 03:08

ER

A data company recently conducted a survey to determine wh

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

emmak

08 Jun 2013, 02:11

9

11

8,692

by: bumpbot

25 Sep 2025, 14:32

ER

If a, b, and c are integers and ac + b is odd, is b odd?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

emmak

08 Jun 2013, 02:08

38

6

10,188

by: bumpbot

15 Apr 2025, 16:34

ER

Lines r and s lie in the xy-plane. Is the y-intercept of lin

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

kzaveri17

08 Dec 2015, 03:38

38

17

8,973

by: bumpbot

01 Apr 2023, 23:58

ER

If a and b are integers and a≠b, is |a|* b > 0?

Sub 505 (Easy) | Absolute Values, Inequalities

Sub 505 (Easy) | Absolute Values, Inequalities hide tags

Manhnip

06 Jun 2013, 11:57

3

2

5,068

by: bumpbot

04 Jul 2019, 06:59

ER

Is p^2q > pq^2? (1) pq < 0 (2) p < 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Manhnip

18 May 2021, 10:50

63

16

21,006

by: bumpbot

16 Apr 2025, 01:47

ER

If ab 0, is ((a - b)/(a^(-1) - b^(-1)))^(-1) > a + b ?

705-805 (Hard) | Absolute Values, Inequalities

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

Manhnip

30 Sep 2022, 06:22

20

4

12,032

by: bumpbot

21 Jun 2024, 10:51

ER

Jim, painting alone for 8 hours, completes painting part of

555-605 (Medium) | Work and Rate Problems

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

gmatquant25

04 Jun 2013, 15:49

9

2

4,279

by: bumpbot

06 Jan 2026, 11:35

ER

Is x^2 < x - |y|?

705-805 (Hard) | Absolute Values, Inequalities

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

summer101

04 Jun 2013, 15:35

25

19

5,471

by: bumpbot

18 Oct 2022, 03:58

ER

Is square root of a positive integer x an integer?

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

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

summer101

03 Jun 2013, 07:14

37

2

9,771

by: Bunuel

05 Jun 2013, 03:07

ER

Jessica has a limited investment portfolio of stocks and bon

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

kpali

02 Jun 2013, 07:16

4

8

3,652

by: bumpbot

13 Dec 2018, 23:37

ER

What is the value of a+b ?

Poor Quality

Poor Quality hide tags

summer101

02 Jun 2013, 05:07

2

2,045

by: Bunuel

02 Jun 2013, 10:45