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

78,717

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

856

24

188,527

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

487,940

by: bb

29 Aug 2025, 13:27

ER

In how many ways can a coach select a 4-person university team from a

505-555 (Easy) | Combinations +2 tags

505-555 (Easy) | Combinations, Statistics and Sets Problems, Word Problems hide tags

1, 2

pate13

24 Aug 2015, 17:49

64

22

15,873

by: bumpbot

18 Apr 2025, 05:16

ER

If c and d are positive, is d an integer ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

pathakshashi

23 Jul 2012, 01:40

10

3

5,905

by: bumpbot

11 May 2024, 10:11

ER

What is the area of the trapezoid shown?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

PathFinder007

01 Aug 2014, 08:54

85

12

28,440

by: goaltop30mba

03 Jan 2021, 19:32

ER

What is the radius of the circle shown?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

PathFinder007

02 Aug 2014, 10:24

19

10

13,715

by: bumpbot

05 Jan 2022, 19:50

ER

If [x] denotes the largest integer smaller than x, is [x]>[x]?

805+ (Hard) | Functions and Custom Characters

805+ (Hard) | Functions and Custom Characters hide tags

PathFinder007

14 Jul 2015, 10:44

32

7

8,648

by: Bunuel

25 Apr 2023, 00:52

ER

Two line l and k intersect at a point (4, 3). Is the product of their

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

PathFinder007

12 Jan 2015, 12:19

47

11

10,278

by: bumpbot

29 Jul 2023, 23:30

ER

Is the slope of line q negative?

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

PathFinder007

12 Jan 2015, 09:27

15

10

6,896

by: bumpbot

30 Jul 2023, 06:07

ER

Is x^2 > 2^x? (1) x is a prime number. (2) x^2 is a multiple of 9.

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

PathFinder007

27 Oct 2023, 12:42

15

7

6,267

by: bumpbot

21 Mar 2025, 08:55

ER

In a freshman high school class there are 125 total students. If 75 of

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

PathFinder007

20 Sep 2014, 02:40

50

11

16,640

by: bumpbot

10 Oct 2025, 11:44

ER

Is x^2 + y^2 > 3z

705-805 (Hard) | Algebra, Inequalities

705-805 (Hard) | Algebra, Inequalities hide tags

pavan2185

01 Sep 2013, 11:16

87

13

20,295

by: bumpbot

20 Jan 2025, 01:53

ER

If xy ≠ 0, is x/y > 0? (1) x|y| - |xy|/|x + y| < 0 (2) |x + y| = |x|

605-655 (Medium) | Absolute Values, Inequalities

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

pavanbatra

17 Mar 2021, 12:55

23

4

5,386

by: bumpbot

08 Nov 2024, 01:57

ER

Will at least three identical cubes fit inside a cylindrical shipping

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

payalkhndlwl

25 Jun 2019, 23:02

23

7

6,120

by: bumpbot

06 Feb 2023, 07:48

ER

Tom can buy a certain type-writer for Z1 dollars in city X,

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

pb_india

02 May 2005, 12:49

10

4

4,105

by: bumpbot

24 Mar 2015, 23:41

ER

If z is an integer, is z even?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

pchun008

29 Oct 2013, 00:07

10

4

8,325

by: bumpbot

20 Mar 2024, 06:34

ER

Is the positive integer n the square of an integer?

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

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

Pdirienzo

19 Feb 2019, 10:50

112

13

13,077

by: Vishwesh08

18 Mar 2025, 10:11

ER

Is x = 3? (1) (x - 4)(x - 3)/(x - 3) = 0 (2) (x – 4)(x + 4) = 0

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

peacewarriors

15 Jun 2020, 23:58

4

10

2,889

by: Bunuel

28 Sep 2019, 10:03

A coordinate plane is shown in the figure..

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

peacewarriors

23 May 2014, 01:09

11

3

2,745

by: bumpbot

10 Dec 2019, 03:10

ER

Is x = y?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

peacewarriors

08 Jul 2014, 02:03

8

7

2,949

by: bumpbot

29 Oct 2020, 02:43

ER

If x^3 < x, is x > x^2 ?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

peacewarriors

10 Feb 2014, 03:00

17

9

7,577

by: bumpbot

16 Jun 2025, 09:09

ER

Is the positive integer x divisible by each integer from 2 through 6 ?

605-655 (Medium) | Multiples and Factors

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

pego2008

14 May 2016, 03:14

474

17

64,306

by: bumpbot

13 Feb 2025, 03:38

ER

Is x^2 - y^2 even? (1) x + y is odd (2) x - y is odd

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Pepe

21 Nov 2010, 10:27

9

5

6,374

by: bumpbot

19 May 2024, 13:10

ER

In the decimal above, ♣ and x represent single digits. What

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

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

perseverant

03 Mar 2014, 14:07

50

13

13,056

by: bumpbot

05 Apr 2025, 03:45

ER

If a certain positive integer is divided by 9, the remainder is 3.

505-555 (Easy) | Remainders

505-555 (Easy) | Remainders hide tags

peterpark

30 Apr 2017, 12:49

8

2

5,868

by: bumpbot

09 Jan 2024, 04:23

ER

There are n consecutive positive integers, what is the value of n?

Poor Quality

Poor Quality hide tags

petrified17

20 Sep 2017, 00:52

2

3

1,963

by: Bunuel

06 Jan 2019, 09:31

ER

there are 11 numbers in a set, is the median 20?

555-605 (Medium) | Min-Max Problems, Statistics and Sets Problems

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

petrified17

19 Sep 2017, 07:40

35

3

6,546

by: bumpbot

07 Jul 2025, 12:37

If L1, L2 and L3 are lines in a plane, is L1 perpendicular to L3?

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

petrifiedbutstanding

09 Apr 2011, 01:48

18

7

24,307

by: bumpbot

05 Nov 2025, 15:13

ER

If a and b are positive, a% of what number is equal to b% of a?

555-605 (Medium) | Percent and Interest Problems

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

petu

19 Apr 2015, 11:39

2

3,094

by: EMPOWERgmatRichC

19 Apr 2015, 12:40

ER

The cost of buying x units of a certain product is given by the

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

petu

05 Apr 2015, 08:45

11

3

3,352

by: Archit3110

02 Jul 2020, 08:19

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

15,671

by: bumpbot

31 May 2024, 12:31

ER

At a certain school with 200 students, all children must

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

pgmat

05 Jul 2012, 16:15

36

6

13,983

by: bumpbot

18 Jan 2026, 07:02

The ratio of number of boys to girls to adults in a certain museum is

555-605 (Medium) | Fractions and Ratios

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

philipssonicare

29 Dec 2018, 08:30

2

1,614

by: Kevin1553

31 Dec 2018, 06:43

ER

John has more coins than the number of coins both Tom and Jane have

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

philipssonicare

13 Jan 2019, 02:20

4

2

2,168

by: MahmoudFawzy

14 Jan 2019, 00:43

What is the perimeter of a parallelogram WXYZ as in the figure above?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

philipssonicare

26 Dec 2018, 03:01

7

3

2,869

by: bumpbot

14 Aug 2022, 02:36

ER

A triangle is inscribed in a circle. The length of one of its sides is

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

philipssonicare

30 Sep 2018, 03:04

5

6

4,572

by: bumpbot

15 Mar 2023, 15:10

Is the quadrilateral PQRS shown as in the figure above equal to a rhom

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

philipssonicare

17 Sep 2019, 23:04

2

1,941

by: bumpbot

23 Nov 2023, 08:38

Aaron travels from town x to town y and then back from town y to town

605-655 (Medium) | Distance and Speed Problems

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

philipssonicare

10 Oct 2018, 13:35

23

6

4,736

by: bumpbot

02 Jan 2025, 21:21

ER

If x and y are greater than 0, is x = 1 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

PhillyBound

13 Aug 2011, 17:09

146

10

43,237

by: bumpbot

10 Mar 2025, 03:59

ER

From 1985 to 1994, what was the percent increase in total Un

Sub 505 (Easy) | Percent and Interest Problems

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

Phoenix72

13 Sep 2013, 04:39

18

6

14,528

by: Krishraj

30 Nov 2022, 11:46

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

30,011

by: bumpbot

30 May 2025, 08:54

ER

If x is a positive integer and <z> is the greatest multiple of ten les

805+ (Hard) | Exponents, Sequences

805+ (Hard) | Exponents, Sequences hide tags

pichitrat

17 Mar 2019, 04:05

34

5

4,506

by: bumpbot

09 Nov 2025, 12:04

ER

What is the product of v, w, and x?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

pierferraro

17 Dec 2014, 04:11

12

7

8,492

by: bumpbot

17 Mar 2022, 08:41

ER

If set A is {1, 7, 11, 14, 19, 21}, and set B is {11, 21, x, y}, where

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

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

PikaB

29 Oct 2021, 00:29

1

1,036

by: Bunuel

29 Oct 2021, 01:02

ER

If |x| < 4, what is the value of x?

555-605 (Medium) | Absolute Values, Multiples and Factors

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

pikachu

24 Dec 2012, 13:42

20

4

6,589

by: bumpbot

27 Sep 2023, 02:01

ER

Is the value of x equal to the value of y?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

pikachu

24 May 2013, 17:32

41

11

9,842

by: bumpbot

21 Jan 2025, 22:59

ER

If y > 0, then x is what percent of y?

Sub 505 (Easy) | Percent and Interest Problems

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

pinkcupcake

24 Feb 2015, 17:41

6

4

8,299

by: bumpbot

10 Jan 2024, 21:00

ER

Does x – y = 200? (1) x=10^2 (2) x=100 and y=-100

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

pinkcupcake

17 Mar 2015, 09:39

3

4

6,088

by: bumpbot

04 Sep 2025, 07:54

ER

At a certain coffee shop, each mocha sells for $3.00 and each

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

pintukr

23 Aug 2024, 20:28

1

1,063

by: Bunuel

24 Aug 2024, 02:05

ER

Is f(x) an increasing function?

705-805 (Hard) | Functions and Custom Characters

705-805 (Hard) | Functions and Custom Characters hide tags

pintukr

20 Sep 2024, 11:38

1

848

by: Bunuel

20 Sep 2024, 11:41

ER

If set S consists of an odd number of even integers that have a normal

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Poor Quality hide tags

Pique

16 May 2011, 22:03

4

3,571

by: manishgeorge

12 Aug 2011, 22:33

ER

Is x> 0? (1) |x|-x = 0

605-655 (Medium) | Absolute Values, Inequalities

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

pirimidin

01 Aug 2015, 10:21

11

3

3,138

by: bumpbot

04 Oct 2023, 00:41