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

78,657

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

188,479

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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

487,873

by: bb

29 Aug 2025, 13:27

Is y = 0 or y > 0 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

KSBGC

21 Apr 2018, 17:01

2

6

1,937

by: bumpbot

12 May 2019, 07:54

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If p and q are non-zero integers, Is p = q? (1) p + q = pq (2) pq = 4

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Kritisood

23 Jun 2020, 00:39

12

2

5,281

by: aditya khanna

07 Mar 2026, 14:34

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In the given figure, O is the centre of the circle and RQ is the diago

655-705 (Hard) | Geometry

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Kritisood

26 Apr 2020, 11:02

8

4

4,576

by: socialsloth

21 Nov 2025, 08:54

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If M and N are positive integers greater than 1, what is the remainder

655-705 (Hard) | Exponents, Remainders

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

Kritisood

12 Apr 2020, 08:12

18

8

4,163

by: bumpbot

01 Jun 2025, 02:20

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List A above has 4 numbers and List B above has 5 numbers. What is the

705-805 (Hard) | Statistics and Sets Problems

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Kritisood

16 Apr 2020, 02:25

6

4

2,022

by: bumpbot

07 Apr 2025, 03:52

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If x and y are non-zero integers, Is x < y ? (1) x = 1y2 (2) x + y = 0

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Kritisood

23 May 2020, 10:48

18

6

2,591

by: bumpbot

17 Mar 2025, 08:35

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Is the number of distinct prime factors of the positive integer X more

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

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

Kritisood

02 Apr 2020, 09:57

15

4

5,311

by: bumpbot

06 Feb 2025, 01:11

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Is abc/d an integer if a, b, c, and d are positive integers? (1) (a +

705-805 (Hard) | Number Properties

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Kritisood

19 Jul 2020, 08:29

16

10

5,951

by: bumpbot

01 Nov 2024, 23:26

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If X = 373p * 426q, where p and q are positive integers, what is the u

605-655 (Medium) | Number Properties

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Kritisood

13 Apr 2020, 08:08

12

2

2,763

by: bumpbot

24 Oct 2024, 05:59

Gregory wants to invest in two shares Alpha and Beta. If the share

655-705 (Hard) | Number Properties

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Kritisood

22 Apr 2020, 08:10

1

4

1,981

by: Fish181

13 Apr 2024, 11:21

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If x and y are positive integers such that x > y and the least common

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

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Kritisood

12 Apr 2020, 20:17

8

4

2,131

by: bumpbot

11 Apr 2024, 15:06

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Find the lowest number which has both X and Y as factors, where X and

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

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Kritisood

13 Apr 2020, 08:00

2

1,695

by: bumpbot

16 Dec 2023, 03:37

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a, b, c, d, e What is the value of median of list of integers above if

655-705 (Hard) | Number Properties

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Kritisood

12 Jun 2020, 05:06

9

6

3,613

by: bumpbot

08 Aug 2023, 10:16

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p is a positive integer greater than 100. Is p divisible by 36? (1) Th

705-805 (Hard) | Multiples and Factors

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Kritisood

19 May 2020, 09:15

8

3

2,810

by: bumpbot

02 Aug 2023, 13:15

On the x-y coordinate grid, does the line passing through point P (not

705-805 (Hard) | Coordinate Plane

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Kritisood

14 Mar 2020, 10:53

20

5

3,563

by: bumpbot

07 Mar 2023, 19:29

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If a and b are integers then what is the remainder when a^2 + b^2 is

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

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

Kritisood

16 Apr 2020, 01:18

20

5

5,228

by: bumpbot

04 Dec 2022, 04:48

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In the x-y plane, is angle BAC = 60o? (1) The length of AB = BC. (2) T

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Kritisood

30 Apr 2020, 11:02

9

4

3,437

by: chetan2u

28 Nov 2022, 05:51

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Is |x - y| > x - y ? (1) y > x (2) The positive difference between x

555-605 (Medium) | Absolute Values, Inequalities

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

Kritisood

20 Jun 2020, 00:06

12

4

2,752

by: prakashb2497

28 Sep 2022, 11:04

On the x-y coordinate grid, are points A (x1, y1) and B (x2, y2) equid

555-605 (Medium) | Coordinate Plane

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Kritisood

14 Mar 2020, 22:50

8

4

3,727

by: bumpbot

01 Aug 2022, 08:43

P is a 3-digit integer. What is the tens digit of P? When P is rounded

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Kritisood

22 Apr 2020, 08:11

3

2

1,594

by: bumpbot

25 Oct 2021, 01:03

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If a and b are positive integers, What is the value of tens digit of a

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Kritisood

22 Apr 2020, 08:28

7

9

3,716

by: Commendlionel

12 Dec 2020, 01:56

Is xy < 0? (1) |x| +|y| > |x + y| (2) |x+3| < |y – 3| < 2

605-655 (Medium) | Absolute Values, Inequalities

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

Kritisood

21 Jun 2020, 08:00

4

3

1,637

by: Kinshook

21 Jun 2020, 10:39

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On the x-y coordinate grid, if points P, Q, and R make a triangle (not

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Kritisood

26 Mar 2020, 10:09

1

5

1,287

by: Bunuel

28 Mar 2020, 03:23

In the xy-plane, is the x-intercept of the line y = mx + b positive?

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

Kritisood

14 Mar 2020, 11:15

4

1

1,925

by: nick1816

14 Mar 2020, 12:52

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If a < 0, is b < 0 ? (1) b/a > 0 (2) a - b > 0

505-555 (Easy) | Fractions and Ratios, Inequalities

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kritikalal

14 Jan 2018, 08:30

6

7

6,113

by: bumpbot

02 Jun 2023, 09:04

ER

Of 300 members in an organization, each German

605-655 (Medium) | Statistics and Sets Problems

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

Kritesh

17 May 2017, 13:13

12

4

4,455

by: bumpbot

10 Jan 2026, 10:20

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An attorney charged a fee for estate planning services for a certain

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

Kritesh

14 May 2017, 01:25

4

2

9,116

by: bumpbot

19 Jun 2023, 08:33

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The ratio of men to children on a tour is 8:3. How many men are there?

555-605 (Medium) | Fractions and Ratios

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

Kritesh

14 May 2017, 01:50

6

4

4,608

by: CrackverbalGMAT

11 Nov 2021, 01:54

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How much is 70 percent of a certain number?

505-555 (Easy) | Percent and Interest Problems

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Kritesh

19 May 2017, 08:16

2

2,857

by: amanvermagmat

19 May 2017, 23:54

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Is x >= 0 ?

655-705 (Hard) | Absolute Values, Algebra

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

KrishnaK

17 Jan 2011, 11:12

10

4

6,239

by: bumpbot

20 Jul 2025, 19:19

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Is x^3 greater than x

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krishna789

11 Jun 2014, 21:30

2

4,074

by: krishna789

12 Jun 2014, 00:38

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If x and y are positive integers, is the product xy even ?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

krishan

29 Jan 2009, 05:47

131

12

45,202

by: bumpbot

24 Sep 2024, 11:59

ER

On the number line, are the points x and y on the same side

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

krikatkat

06 Jul 2014, 23:50

20

12

4,774

by: bumpbot

14 Dec 2023, 01:14

ER

Is x a positive integer? (1) x^2 - 1 = 0 (2) x < 1

555-605 (Medium) | Number Properties

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kri1311

21 Mar 2021, 08:13

3

5

1,245

by: bumpbot

25 Dec 2024, 04:34

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What is the value of x^2 + y^2 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

krazo

24 Nov 2014, 01:45

2

6

4,278

by: Bunuel

24 Nov 2014, 01:45

ER

Jessica has a limited investment portfolio of stocks and bon

555-605 (Medium) | Word Problems

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kpali

02 Jun 2013, 07:16

4

8

3,649

by: bumpbot

13 Dec 2018, 23:37

ER

Is the perimeter of triangle ABC greater than 20?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

kp1811

19 Nov 2009, 19:25

128

17

40,740

by: bumpbot

23 Aug 2023, 22:33

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If a+b=200 and a<b , is a+b>c+d ? (1) c+d<200 (2)

555-605 (Medium) | Inequalities

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kostyan5

08 Nov 2011, 19:49

37

5

14,112

by: bumpbot

16 Nov 2023, 11:37

ER

At a certain college , students can major in science , maths , history

655-705 (Hard) | Word Problems

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kornn

22 Jun 2020, 01:50

25

7

7,694

by: captain0612

14 May 2025, 10:18

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If the average (arithmetic mean) of four different numbers is 30, how

605-655 (Medium) | Statistics and Sets Problems

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

kook44

06 Jun 2019, 02:45

209

14

78,244

by: bumpbot

19 Aug 2025, 22:29

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Is x > y ? (1) x^(1/2) > y^(1/2) (2) x^2 > y^2

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Konstantin Lynov

24 Jul 2003, 05:23

17

12

7,549

by: bumpbot

10 Dec 2023, 07:27

ER

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

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

KocharRohit

12 Nov 2009, 07:48

31

17

10,263

by: bumpbot

31 Jul 2023, 10:49

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Is pqr > 0 ? (1) pq > 0 (2) q/r < 0

555-605 (Medium) | Inequalities

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kobi90

10 Nov 2020, 09:50

12

10,409

by: bumpbot

12 Apr 2023, 21:14

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The total cost of producing item X is equal to the sum of

655-705 (Hard) | Percent and Interest Problems, Statistics and Sets Problems

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1, 2

knabi

18 Jul 2010, 20:54

171

29

40,778

by: Bunuel

01 Oct 2025, 07:23

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Is m + z > 0 (1) m - 3z > 0 (2) 4z - m > 0

605-655 (Medium) | Inequalities

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1, 2

kman

26 Apr 2018, 02:47

659

29

125,136

by: SomeOneUnique

01 Nov 2024, 18:30

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Xander, Yolanda, and Zelda each have at least one hat. Zelda

705-805 (Hard) | Arithmetic, Word Problems

705-805 (Hard) | Arithmetic, Word Problems hide tags

kkalyan

07 Oct 2011, 22:23

28

9

11,614

by: bumpbot

30 Mar 2025, 07:23

ER

M and N are both nonzero integers. Is M/N a prime number?

605-655 (Medium) | Absolute Values, Number Properties

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

Kiski

24 Jul 2014, 04:32

11

15

7,118

by: bumpbot

02 Feb 2023, 07:16

ER

For positive integer k, is the expression (k + 2)(k^2 + 4k +

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

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

kishankolli

22 Apr 2014, 03:03

122

8

37,516

by: bumpbot

28 Aug 2025, 07:45

ER

In the xy-plane, line l and line k intersect at the point

505-555 (Easy) | Coordinate Plane

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kirankp

05 Jan 2010, 08:00

38

9

20,185

by: bumpbot

17 Aug 2024, 03:14

ER

Is (x – 2)^2 > x^2? (1) x^2 > x (2) 1/x > 0

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

kirankp

30 Nov 2009, 08:03

52

13

12,645

by: bumpbot

03 Jan 2024, 20:52