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

78,662

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

188,481

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

487,877

by: bb

29 Aug 2025, 13:27

ER

Let S be a finite set of consecutive multiples of 7.

805+ (Hard) | Statistics and Sets Problems

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

Mourinho2nd

28 Jun 2013, 22:03

113

8

13,002

by: bumpbot

20 Apr 2025, 01:25

ER

In a certain marching band formation

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Vineetk

29 Jun 2013, 03:35

1

6

5,241

by: Bunuel

07 Mar 2016, 10:00

ER

If m represents the slope of a line in the coordinate geom

655-705 (Hard) | Absolute Values, Coordinate Plane

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

gmatpapa

01 Jul 2013, 07:06

136

16

20,183

by: bumpbot

06 Aug 2023, 05:44

ER

If x is an integer, what is the value of x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

srujani

01 Jul 2013, 22:09

18

9

7,412

by: Bunuel

27 Jun 2025, 01:07

ER

In a certain game, scoring plays result in 2, 7, or 11 point

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MzJavert

03 Jul 2013, 08:34

7

4,853

by: Bunuel

27 Feb 2017, 22:08

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If a, b, and c are positive and a^2+c^2=202, what is the val

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

ichauhan.gaurav

04 Jul 2013, 17:59

29

14

9,558

by: bumpbot

28 Oct 2023, 13:57

ER

Is |x - z| = |y - z| ? (1) x = y (2) |x| - z = |y| - z

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

WholeLottaLove

05 Jul 2013, 11:54

24

14

6,430

by: bumpbot

08 Jun 2023, 06:34

ER

Three dice, each with faces numbered 1 through 6, were tossed onto a

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

fozzzy

21 Sep 2019, 16:53

68

11

16,617

by: bumpbot

08 Sep 2024, 03:50

ER

What fraction of the square region in the figure above is shaded?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

fozzzy

27 Feb 2018, 10:41

24

6

19,915

by: bumpbot

06 Dec 2021, 09:43

ER

At the end of year X, was the number of self-employed men mo

555-605 (Medium) | Percent and Interest Problems

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

fozzzy

06 Jul 2013, 03:25

1

3

3,545

by: bumpbot

09 Jan 2016, 14:49

ER

George scored 85 on an exam. Did George do better than 90

555-605 (Medium) | Statistics and Sets Problems

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

josemnz83

07 Jul 2013, 08:57

5

8

4,895

by: Bunuel

17 Jul 2013, 05:47

ER

If a^5b^3c^6 < 0, is abc < 0?

605-655 (Medium) | Algebra, Inequalities

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

fozzzy

08 Jul 2013, 00:43

8

4

3,617

by: yezz

07 Dec 2016, 09:27

ER

Given x not equal to -1, is 1/(1 + x) > 1 - x + x^2 ?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

fozzzy

10 Jul 2013, 00:40

6

5

2,922

by: bumpbot

29 Sep 2020, 06:03

ER

m and n are both integers, and m ≠ n, does n = 0?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

DelSingh

10 Jul 2013, 19:35

9

4

3,754

by: bumpbot

25 Sep 2019, 05:17

ER

In the triangle above, DC is parallel to AB. What is the len

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

danzig

05 Mar 2023, 09:46

11

3

5,177

by: Bunuel

05 Mar 2023, 09:51

ER

Set A consists of five different numbers; set B consists of

705-805 (Hard) | Statistics and Sets Problems

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

fozzzy

12 Jul 2013, 09:08

67

2

10,924

by: bumpbot

11 Dec 2025, 06:33

ER

If x and y are prime integers, what is x + y?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

12 Jul 2013, 19:51

14

19

6,502

by: bumpbot

01 Jan 2026, 05:14

ER

Is xyz = 1? (1) x(y^z) = 1 (2) 5z = 0

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Asmn

28 Aug 2023, 13:23

2

4,371

by: bumpbot

24 Oct 2015, 07:50

ER

If 5a = 9b = 15c, what is the value of a + b + c?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

jabronyo

13 Jul 2013, 23:06

90

13

21,904

by: bumpbot

06 Jul 2025, 21:32

ER

Four men and three women make up a seven-member committee

705-805 (Hard) | Combinations

705-805 (Hard) | Combinations hide tags

TheGerman

13 Sep 2017, 08:15

68

8

21,715

by: bumpbot

22 Dec 2024, 04:47

ER

If n is a positive integer greater than 1, what is the smallest positi

805+ (Hard) | Multiples and Factors, Number Properties

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

AbhiJ

15 Jul 2013, 08:40

34

8

9,986

by: bumpbot

17 Jul 2025, 20:27

ER

Every passenger on a certain airplane is from either Japan

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

vibhav

15 Jul 2013, 08:49

79

8

11,669

by: bumpbot

05 Jan 2023, 13:27

ER

What is the value of x ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

hb

15 Jul 2013, 09:30

2

4

4,857

by: bumpbot

20 Jan 2021, 10:44

ER

A street vendor sells only apples and pineapples, and all ap

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

hb

11 Mar 2016, 01:08

10

5

7,806

by: bumpbot

12 Jan 2023, 07:55

ER

If a, b, and c are positive numbers such that a is b percent

605-655 (Medium) | Percent and Interest Problems

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

kingflo

20 Jul 2013, 07:08

54

7

25,619

by: bumpbot

09 Mar 2026, 03:10

ER

If a and b are positive integers, what is the remainder when ab is

805+ (Hard) | Multiples and Factors +2 tags

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kingflo

18 Nov 2017, 02:07

199

13

33,340

by: bumpbot

20 Oct 2024, 04:43

ER

Is ABCD rectangular

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

1, 2

skamal7

20 Jul 2013, 09:46

54

22

11,376

by: bumpbot

05 Feb 2023, 00:14

In a certain sport, teams receive 3 points for each win, 1 p

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

kingflo

20 Jul 2013, 12:56

160

18

61,054

by: bumpbot

06 Apr 2026, 21:37

ER

If x is an integer, is x/2 an even integer ?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

hb

01 Jan 2016, 06:54

10

2

12,907

by: hb

21 Jul 2013, 07:26

ER

A set consists of n consecutive integers in which the smalle

805+ (Hard) | Statistics and Sets Problems

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

1, 2

vibhav

21 Jul 2013, 07:22

221

20

23,361

by: bumpbot

30 Sep 2025, 06:20

ER

If x, y and z are integers, what is y – z?

605-655 (Medium) | Exponents

605-655 (Medium) | Exponents hide tags

kingflo

21 Jul 2013, 08:14

43

19

11,402

by: bumpbot

08 Nov 2023, 17:26

ER

A list contains only integers. Are there more positive than

655-705 (Hard) | Number Properties, Statistics and Sets Problems

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

kingflo

21 Jul 2013, 09:33

31

4

9,866

by: bumpbot

11 Oct 2025, 08:33

ER

If the positive integer x is rounded to the nearest ten, wil

655-705 (Hard) | Multiples and Factors, Remainders

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

kingflo

21 Jul 2013, 10:54

30

4

10,430

by: Dhruva2000

03 Nov 2023, 00:59

ER

If x and y are integers such that x < y < 0 what is x?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

tricialin

22 Jul 2013, 09:03

40

3

9,729

by: bumpbot

08 Apr 2025, 08:31

ER

If m and n are positive integers. What is the units digit of

655-705 (Hard) | Exponents

655-705 (Hard) | Exponents hide tags

gepetow

23 Jul 2013, 15:08

9

4

4,093

by: bumpbot

15 Sep 2016, 03:52

ER

Is x - y > r - s ? (1) x > r and y < s (2) y = 2, s = 3, r = 5, and

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

hb

30 Sep 2022, 14:21

129

5

18,930

by: bumpbot

10 Sep 2025, 12:30

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

21,234

by: bumpbot

12 Jun 2025, 22:53

A non empty set S has less than four elements. How many

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innocous

25 Jul 2013, 07:25

4

2,323

by: Observer

25 Jul 2013, 12:40

ER

If x and y are positive integers, is x a factor of 12?

555-605 (Medium) | Multiples and Factors

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

summer101

26 Jul 2013, 02:38

13

6

10,073

by: bumpbot

04 Apr 2023, 08:31

ER

A car moving at an average speed of x miles/hr, traveled

805+ (Hard) | Distance and Speed Problems

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

SVaidyaraman

26 Jul 2013, 07:10

23

10

7,389

by: bumpbot

14 Apr 2022, 10:11

ER

The infinite sequence a{1}, a{2}, …, a{n}, … is such that a{

555-605 (Medium) | Algebra, Sequences

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

hb

23 Jul 2018, 05:33

9

6

8,551

by: bumpbot

03 Apr 2023, 02:44

ER

If x is a positive integer, is √√x an integer? (1) x is the square of

505-555 (Easy) | Number Properties, Roots

505-555 (Easy) | Number Properties, Roots hide tags

danzig

21 May 2021, 05:12

8

3

3,528

by: BelalHossain046

30 Mar 2019, 12:07

ER

Is (a - k)/(b - k) > (a + k)/(b + k) ? (1) a > b > k (2) k > 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

bagdbmba

31 Jul 2013, 10:50

33

12

7,062

by: bumpbot

07 Oct 2024, 20:22

For a given triangle with sides x,3x and 24, what is the

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

mau5

01 Aug 2013, 03:37

17

10

3,537

by: bumpbot

14 Sep 2023, 10:46

ER

Is p + q = 0 ?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Asifpirlo

09 Aug 2013, 02:51

17

6

3,993

by: bumpbot

25 Jan 2026, 00:22

A pagoda “P” is situated on an apex of a hill at a height of

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Asifpirlo

02 Aug 2013, 11:48

7

10

3,590

by: bumpbot

03 Mar 2026, 05:05

ER

Mr. Alex usually starts at 9:00am and reaches his office jus

705-805 (Hard) | Distance and Speed Problems

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

Asifpirlo

02 Aug 2013, 13:11

41

14

11,117

by: bumpbot

01 Feb 2025, 04:30

ER

If a, b, c are different positive integers, and a^2+b^2 = c^

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

mau5

03 Aug 2013, 06:56

21

5

5,722

by: bumpbot

03 Jan 2026, 04:14

Is x negative? (1) x^2 is positive. (2) x^3 is non-positive.

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

kumar23badgujar

01 Oct 2023, 02:24

15

5

3,956

by: bumpbot

07 Mar 2023, 08:08

ER

If k is a positive constant and y = |x - k| - |x + k|, what

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12bhang

27 Feb 2014, 06:03

65

11

23,159

by: MathRevolution

21 Nov 2015, 10:25