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

179

15

79,522

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

858

24

188,952

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

488,629

by: bb

29 Aug 2025, 13:27

ER

Each of the eggs in a bowl is dyed red, or green, or blue. If one egg

Sub 505 (Easy) | Probability

Sub 505 (Easy) | Probability hide tags

Lolaergasheva

08 Mar 2011, 09:45

32

8

19,208

by: bumpbot

04 Oct 2025, 07:15

ER

How much was a certain Rembrandt painting worth in January 1991?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

03 Oct 2025, 01:27

8

5

623

by: Ayeka

03 Oct 2025, 19:55

ER

How much did credit-card fraud cost United States banks in year X to

Sub 505 (Easy) | Percent and Interest Problems

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

Carcass

26 Jul 2017, 08:51

40

7

17,707

by: bumpbot

03 Oct 2025, 14:13

ER

In a certain factory, hours worked by each employee in excess of 40...

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

nalinnair

26 May 2016, 21:23

27

6

20,753

by: bumpbot

03 Oct 2025, 14:11

ER

If 10% of the employees of the state fare are police officers, what is

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

Bunuel

02 Oct 2025, 00:49

4

3

889

by: Ayeka

02 Oct 2025, 21:13

ER

Each of the 120 students in a certain dormitory is either a junior or

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

parkhydel

28 Apr 2020, 04:26

14

2

9,141

by: bumpbot

30 Sep 2025, 08:27

ER

Rita's monthly salary is 2/3 Juanita's monthly salary. What is their

Sub 505 (Easy) | Algebra, Word Problems

Sub 505 (Easy) | Algebra, Word Problems hide tags

Carcass

26 Jul 2017, 08:35

27

6

18,878

by: bumpbot

30 Sep 2025, 08:26

ER

If today the price of an item is $3,600, what was the price of the ite

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

03 Nov 2022, 06:02

51

9

26,438

by: Sebastian55

29 Sep 2025, 20:19

ER

There are 2 groups of students who took a history test. Was the averag

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

GMATinsight

28 Apr 2020, 07:59

31

5

17,520

by: bumpbot

29 Sep 2025, 07:20

ER

What percent of the drama club members enrolled at a certain

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

Bunuel

20 Aug 2012, 03:16

56

7

33,221

by: bumpbot

27 Sep 2025, 13:58

ER

If Car X followed Car Y across a certain bridge that is 1/2

Sub 505 (Easy) | Distance and Speed Problems

Sub 505 (Easy) | Distance and Speed Problems hide tags

1, 2

Bunuel

13 Aug 2012, 07:09

201

25

42,061

by: bumpbot

27 Sep 2025, 00:12

ER

What is the value of x 1 ? (1) x + 1 = 3 (2) x 1 < 3

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

RSOHAL

13 Sep 2022, 02:52

8

2

13,932

by: bumpbot

26 Sep 2025, 14:32

ER

If 5x + 3y = 17, what is the value of x? (1) x is a positive integer

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

23 Sep 2018, 05:17

17

7

13,427

by: bumpbot

25 Sep 2025, 21:30

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If x = 2y, what is the value of xy ? (1) x > Y (2) 3x - 2y = 14

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

GMATBusters

31 Dec 2018, 07:29

5

10,047

by: bumpbot

25 Sep 2025, 21:25

ER

Is zw positive? (1) z + w^3 = 20 (2) z is positive

Sub 505 (Easy) | Algebra, Inequalities

Sub 505 (Easy) | Algebra, Inequalities hide tags

Bunuel

06 Oct 2016, 05:12

54

11

21,421

by: bumpbot

25 Sep 2025, 20:42

ER

What is the value of x ? (1) 4^(x + 1) + 4^x = 320 (2) x^2 = 9

Sub 505 (Easy) | Algebra, Exponents

Sub 505 (Easy) | Algebra, Exponents hide tags

gmatt1476

21 Sep 2019, 16:49

36

4

12,035

by: bumpbot

25 Sep 2025, 20:32

ER

If X and Y are points in a plane and X lies inside the circle C with

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

02 Jul 2012, 02:36

35

12

30,077

by: bumpbot

25 Sep 2025, 09:25

ER

The table above shows the distance, in kilometers, by the

Sub 505 (Easy) | Distance and Speed Problems

Sub 505 (Easy) | Distance and Speed Problems hide tags

Bunuel

18 Sep 2012, 03:32

37

11

25,093

by: bumpbot

24 Sep 2025, 16:53

ER

Each of 10 identical machines produces toys at a consistent rate. How

Sub 505 (Easy) | Work and Rate Problems

Sub 505 (Easy) | Work and Rate Problems hide tags

Bunuel

28 Dec 2023, 02:30

2

3

1,443

by: f3rn4nd44m0r1m

23 Sep 2025, 05:43

ER

A pencil and an eraser cost a total of $2.00. How much does the eraser

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

22 Sep 2025, 00:42

4

580

by: Souradeep17

22 Sep 2025, 17:23

ER

A patient experiencing cold-like symptoms goes to a doctor. Is the pat

Sub 505 (Easy) | Non-Math Related

Sub 505 (Easy) | Non-Math Related hide tags

guddo

14 Aug 2024, 07:14

4

2

3,414

by: bumpbot

19 Sep 2025, 18:18

How is Bill related to Betty?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

ashwink

05 Mar 2017, 00:14

1

2

5,292

by: bumpbot

19 Sep 2025, 11:41

ER

If sequence S has 120 terms, what is the 105th term of S?

Sub 505 (Easy) | Sequences

Sub 505 (Easy) | Sequences hide tags

BrainLab

19 Sep 2015, 14:27

47

12

29,415

by: bumpbot

18 Sep 2025, 03:53

ER

How many hours does it take 12 machines with identical production rate

Sub 505 (Easy) | Work and Rate Problems

Sub 505 (Easy) | Work and Rate Problems hide tags

Bunuel

17 Dec 2014, 07:58

16

13

9,737

by: bumpbot

16 Sep 2025, 03:43

ER

In a random sample of 160 homeowners in a certain neighborhood

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

10 Sep 2025, 22:00

3

2

478

by: Souradeep17

11 Sep 2025, 18:01

ER

What is the value of x? (1) x is negative. (2) 2x = -4

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

04 Nov 2022, 01:30

3

2

4,265

by: PSD927

11 Sep 2025, 05:37

In the figure above, what is the length of AC ?

Sub 505 (Easy) | Arithmetic, Geometry

Sub 505 (Easy) | Arithmetic, Geometry hide tags

Carcass

31 Oct 2018, 22:07

5

4

7,026

by: bumpbot

08 Sep 2025, 13:36

ER

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

Sub 505 (Easy) | Absolute Values

Sub 505 (Easy) | Absolute Values hide tags

DaniGmat77

07 Aug 2020, 10:53

13

3

5,940

by: bumpbot

04 Sep 2025, 15:20

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

6,111

by: bumpbot

04 Sep 2025, 07:54

ER

What was Bill's average speed on his trip of 250 miles from New York

Sub 505 (Easy) | Distance and Speed Problems

Sub 505 (Easy) | Distance and Speed Problems hide tags

Bunuel

28 Mar 2016, 02:23

11

8

13,460

by: bumpbot

04 Sep 2025, 04:40

ER

If x is a positive number, is x greater than 1? (1) 1>1/x (2) -1/x >-1

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

02 Oct 2022, 07:51

3

3,497

by: bumpbot

03 Sep 2025, 07:21

ER

Is x an integer? (1) x^3 = 8 (2) x = 4^(1/2)

Sub 505 (Easy) | Algebra, Number Properties

Sub 505 (Easy) | Algebra, Number Properties hide tags

Bunuel

26 Apr 2019, 02:16

26

17

19,448

by: bumpbot

03 Sep 2025, 04:14

ER

Is n an integer greater than 4?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

30 Sep 2022, 14:12

20

6

16,186

by: bumpbot

02 Sep 2025, 10:03

ER

How many people in a group of 50 own neither a fax machine nor a laser

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

BrainLab

19 Sep 2015, 13:12

71

9

32,215

by: bumpbot

02 Sep 2025, 08:09

ER

If a + b + c = 12, what is the value of b? (1) a + b = 8 (2) b + c = 6

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

24 Jun 2018, 21:06

24

15

26,411

by: bumpbot

02 Sep 2025, 07:08

ER

What is the value of 10 percent of y?

Sub 505 (Easy) | Percent and Interest Problems

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

BrainLab

19 Sep 2015, 14:25

39

10

33,406

by: bumpbot

02 Sep 2025, 06:36

ER

A company bought 3 printers and 1 scanner. What was the price of the

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

21 Jun 2018, 10:13

10

9

19,679

by: bumpbot

01 Sep 2025, 05:51

ER

What is the number of pages of a certain journal article? The size of

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

21 Jun 2018, 08:50

19

9

28,745

by: bumpbot

01 Sep 2025, 04:35

ER

What is the value of x? (1) x + y = 7 (2) x - y = 3 - y

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

GMATBusters

01 Oct 2022, 04:14

4

3

9,222

by: bumpbot

01 Sep 2025, 04:34

ER

If a certain vase contains only roses and tulips, how many tulips are

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

21 Jun 2018, 09:00

28

10

24,576

by: bumpbot

01 Sep 2025, 04:32

ER

What is Makaylas current age? (1) If Makayla were twice her current

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

28 Aug 2025, 22:00

2

695

by: Souradeep17

29 Aug 2025, 21:33

ER

A shopper bought a tie and a belt during a sale. Which item did he buy

Sub 505 (Easy) | Percent and Interest Problems, Word Problems

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

Bunuel

15 Feb 2024, 02:30

4

3,272

by: bumpbot

29 Aug 2025, 06:15

ER

The retail price of a certain refrigerator is 1.6 times its wholesale

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

22 Oct 2019, 09:44

3

2

7,252

by: bumpbot

29 Aug 2025, 01:54

ER

If 25 percent of the surface area of right circular cylinder X is shad

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

14 Mar 2018, 02:12

5

3

3,089

by: bumpbot

25 Aug 2025, 11:38

ER

What is the cube root of w?

Sub 505 (Easy) | Roots

Sub 505 (Easy) | Roots hide tags

Bunuel

06 Aug 2012, 03:15

85

11

41,191

by: bumpbot

25 Aug 2025, 02:25

ER

Each of the marbles in a jar is either red or white or blue. If one ma

Sub 505 (Easy) | Probability

Sub 505 (Easy) | Probability hide tags

BrainLab

19 Sep 2015, 12:55

69

10

42,893

by: bumpbot

24 Aug 2025, 22:11

ER

If 4*a^2 = 9 what is the value of a?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

MBAHopef

21 Feb 2015, 13:32

6

5

3,108

by: Ters

24 Aug 2025, 07:58

ER

Andy owned farmland adjoining a 19-foot-high bank of a lake.

Sub 505 (Easy) | Poor Quality

Sub 505 (Easy) | Poor Quality hide tags

GMATslaughter100

18 Aug 2025, 02:02

6

5

1,023

by: GMATslaughter100

24 Aug 2025, 07:04

ER

How does inflation occur?

Sub 505 (Easy) | Poor Quality

Sub 505 (Easy) | Poor Quality hide tags

GMATslaughter100

18 Aug 2025, 02:03

3

7

742

by: GMATslaughter100

24 Aug 2025, 07:01

ER

If n is an integer, is n|n| > 3^n? (1) n < -1 (2) n = -11

Sub 505 (Easy) | Absolute Values, Inequalities

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

Bunuel

19 Sep 2019, 01:53

11

6

3,254

by: Bunuel

23 Aug 2025, 01:45