GMAT Data Sufficiency (DS) Forum - Free Practice Questions

ER

Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

Bunuel

25 Oct 2022, 08:11

179

15

79,853

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

858

24

188,996

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,708

by: bb

29 Aug 2025, 13:27

ER

During a 40-mile trip, Marla traveled at an average speed of

605-655 (Medium) | Distance and Speed Problems

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

LM

27 Apr 2010, 09:55

431

18

76,058

by: bumpbot

20 Mar 2026, 01:30

ER

A fair six-sided dice was rolled n times. What is the value of n?

605-655 (Medium) | Combinations, Probability

605-655 (Medium) | Combinations, Probability hide tags

Bunuel

14 Mar 2018, 23:47

141

13

20,547

by: Advait01

19 Mar 2026, 22:59

ER

If Company M ordered a total of 50 computers and printers an

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

mjg2110

21 Jan 2016, 05:34

87

16

27,146

by: bumpbot

19 Mar 2026, 11:51

ER

Should the choices made by 100 participants in a survey about Product

705-805 (Hard) | Non-Math Related

705-805 (Hard) | Non-Math Related hide tags

GMATinsight

14 Aug 2024, 09:21

117

10

8,757

by: vallequalle

19 Mar 2026, 11:39

ER

A manufacturer conducted a survey to determine how many peop

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

1, 2

144144

10 Dec 2010, 12:32

338

20

73,808

by: bumpbot

19 Mar 2026, 11:22

ER

Events E and F are independent. Is the probability that both events E

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

MathRevolution

13 Feb 2018, 01:38

41

4

7,259

by: bumpbot

19 Mar 2026, 03:28

ER

If there are a certain number of students in a classroom, what is the

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

09 Jan 2025, 01:30

18

5

2,326

by: bumpbot

19 Mar 2026, 03:25

ER

The temperature of a place at noon on a certain day is 25% higher than

555-605 (Medium) | Percent and Interest Problems, Word Problems

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

EgmatQuantExpert

22 Jan 2017, 02:10

8

5

4,287

by: Gmat860sanskar

18 Mar 2026, 23:19

ER

The range of set A is R. A number having a value equal to R is added

805+ (Hard) | Statistics and Sets Problems

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

nusmavrik

23 Aug 2010, 07:55

83

10

17,073

by: bumpbot

18 Mar 2026, 14:08

ER

When there are consecutive integers and if their range is equal to the

705-805 (Hard) | Statistics and Sets Problems

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

MathRevolution

29 Feb 2016, 20:39

20

6

4,717

by: pappal

18 Mar 2026, 14:00

ER

If the book value of a certain piece of equipment was $5,000 exactly

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

23 May 2020, 08:39

87

12

16,324

by: bumpbot

18 Mar 2026, 05:49

ER

Three salespeople — A, B, and C — sold a total of 500 products among

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

17 Oct 2020, 13:14

6

7

1,820

by: bumpbot

18 Mar 2026, 03:52

ER

In the game Cako, a player is awarded one tick for every third Alb cap

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

22 Sep 2021, 05:30

15

4

6,902

by: LeoLong2

18 Mar 2026, 00:57

ER

The sequence a1, a2, a3, ..., an, ... is such that an - a(n+1) = a(n+)

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

bz9

22 Feb 2007, 21:55

10

2

10,789

by: bumpbot

17 Mar 2026, 21:26

ER

100 residents of a city were surveyed and each one read at least one

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

08 Dec 2019, 23:58

16

11

9,086

by: bumpbot

17 Mar 2026, 20:12

ER

Is the standard deviation of set S greater than the standard deviation

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

17 Jun 2020, 01:45

17

9

9,023

by: bumpbot

17 Mar 2026, 13:22

ER

How many more men than women are in the room?

Sub 505 (Easy) | Algebra, Word Problems

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

Bunuel

16 May 2018, 06:47

11

9

11,117

by: bumpbot

17 Mar 2026, 11:15

ER

What is the value of a positive integer x? (1) x divided by 3 leaves

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

14 Apr 2021, 02:30

6

2,619

by: vallequalle

17 Mar 2026, 07:47

ER

What is the absolute difference between the cubes of two

655-705 (Hard) | Algebra +2 tags

655-705 (Hard) | Algebra, Arithmetic, Exponents hide tags

1, 2

Smita04

15 Mar 2012, 23:23

88

20

13,906

by: vallequalle

17 Mar 2026, 07:14

ER

How many hours long is time period T ? (1) T begins at 12:01 A.M. on

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

27 Aug 2022, 16:45

5

3

1,699

by: Bunuel

17 Mar 2026, 02:43

ER

Are all the integers arranged in order in Sequence A consecutive integ

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

08 Jun 2022, 04:00

6

3

1,432

by: bumpbot

16 Mar 2026, 18:18

ER

12 Days of Christmas GMAT Competition - Day 12: Robert pays x% of his

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

25 Dec 2021, 07:00

48

3

3,270

by: chloreton

16 Mar 2026, 10:26

ER

Leo starts assembling gift boxes for a charity event.

505-555 (Easy) | Work and Rate Problems

505-555 (Easy) | Work and Rate Problems hide tags

Bunuel

26 Apr 2026, 14:31

2

4

568

by: chloreton

16 Mar 2026, 10:09

ER

12 Days of Christmas GMAT Competition - Day 7: One liter of a Christma

805+ (Hard) | Mixture Problems

805+ (Hard) | Mixture Problems hide tags

Bunuel

19 Dec 2023, 07:00

36

12

5,608

by: bumpbot

16 Mar 2026, 07:24

ER

Is d > 1 (1) Median of d, -d, 1/d is d. (2). Median of d d^2 d^3 i

655-705 (Hard) | Statistics and Sets Problems

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

PriyankaPalit7

18 Mar 2019, 10:43

5

4

2,965

by: bumpbot

16 Mar 2026, 05:01

ER

Sets S and T contain an equal number of elements, all of which are pos

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

16 Jun 2021, 02:00

8

4

1,817

by: bumpbot

16 Mar 2026, 03:32

The price of a particular stock in four consecutive years Y1, Y2

805+ (Hard) | Percent and Interest Problems

805+ (Hard) | Percent and Interest Problems hide tags

Anchrs

16 Mar 2026, 02:57

0

245

by: Anchrs

16 Mar 2026, 02:57

ER

When the point totals for 20 participants were recorded, thr

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

kevincan

15 Mar 2026, 16:03

2

1

259

by: Edskore

16 Mar 2026, 01:27

ER

Three friends rented a car for a week and divided the cost equally.

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

22 Dec 2014, 09:17

98

11

30,034

by: bumpbot

15 Mar 2026, 19:14

ER

At Baileys bike shop, 75 percent of the bikes sold are mountain bikes

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

19 Jan 2026, 05:45

1

2

527

by: Edskore

15 Mar 2026, 11:10

ER

In 2001, Joe paid 5.1 percent of his income in taxes. In 2002, did Joe

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

19 Jan 2026, 07:45

2

511

by: Edskore

15 Mar 2026, 11:07

ER

A box contains some pens, which are either fountain pens or ball pens.

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

05 Jan 2022, 06:00

9

3

3,359

by: bumpbot

15 Mar 2026, 09:02

ER -1

A drawer contains 32 buttons, of which 20 are blue and 12 are brown.

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

15 Sep 2021, 06:30

3

4

2,217

by: liberopossimus

15 Mar 2026, 07:26

ER

The road between town A and town B is 500 miles long. John drove direc

805+ (Hard) | Distance and Speed Problems

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

Bunuel

20 Mar 2022, 02:54

13

3

5,324

by: bumpbot

15 Mar 2026, 06:56

ER

From 1984 to 1987, what's the percent change in number of the insured

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

15 Jan 2026, 05:45

1

379

by: shivani1351

15 Mar 2026, 00:20

ER

Just before Christmas stereo x and stereo y both go on sale.

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

Bunuel

18 Jan 2026, 15:15

1

427

by: shivani1351

15 Mar 2026, 00:03

ER

Attendance at a certain play was 8% higher on Saturday night than it

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

Bunuel

18 Jan 2026, 11:15

1

395

by: shivani1351

14 Mar 2026, 23:49

ER

The distance between City A and City B is 120 miles. A freight train

705-805 (Hard) | Distance and Speed Problems

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

Bunuel

22 Jul 2024, 01:30

8

3

1,846

by: Edskore

14 Mar 2026, 09:33

ER

Nora and Felix are riding electric scooters at constant speeds along

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

Bunuel

26 Apr 2026, 14:38

12

6

662

by: Adit_

14 Mar 2026, 08:37

ER

GMAT Club Olympics 2024 (Day 9): Train A and Train B each departed

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

1, 2, 3, 4

Bunuel

18 Jul 2024, 07:00

54

73

6,936

by: bumpbot

14 Mar 2026, 03:55

ER

Cars P and Q started simultaneously from opposite ends of a straight

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

fozzzy

07 Sep 2022, 04:17

47

11

9,091

by: bumpbot

14 Mar 2026, 03:25

Train number 21 and Train number 22 travelling at the same constant

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

siddhantvarma

29 Oct 2024, 22:31

9

7

2,450

by: bumpbot

14 Mar 2026, 03:18

ER

On Halloween night, Lucy sees a bowl that contains only lemon candies

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

26 Apr 2026, 14:34

4

2

529

by: Bunuel

14 Mar 2026, 02:15

ER

John and Fawn, each drinking at a constant pace, can finish

705-805 (Hard) | Work and Rate Problems

705-805 (Hard) | Work and Rate Problems hide tags

Chembeti

17 Feb 2012, 19:53

36

12

11,977

by: bumpbot

14 Mar 2026, 01:02

ER

Hoses A, B, and C pump a swimming pool full of water. Hoses A and B

705-805 (Hard) | Work and Rate Problems

705-805 (Hard) | Work and Rate Problems hide tags

aashaybaindurgmat

14 Oct 2017, 01:20

57

7

11,386

by: bumpbot

14 Mar 2026, 00:49

ER

Ten slips of paper, numbered 1 through 10, are placed in a bag. If thr

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

05 Jun 2021, 04:40

36

5

8,561

by: Adit_

13 Mar 2026, 23:30

ER

The original price of a computer was increased by x% to reach its

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

01 Aug 2023, 05:00

181

11

31,052

by: Borrat

13 Mar 2026, 13:14

ER

Of the students in a certain anatomy class, 55% of the female and 35%

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

kevincan

23 Feb 2026, 16:10

3

2

471

by: Edskore

13 Mar 2026, 12:25

ER

The cost of a certain school trip was $16 for each child and $24 for

555-605 (Medium) | Fractions and Ratios, Word Problems

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

Bunuel

02 Aug 2023, 05:00

61

8

19,247

by: Gmat860sanskar

13 Mar 2026, 12:21

ER

A certain list consists of 3 different numbers x, y, and z. The differ

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

14 Oct 2021, 01:30

4

3,274

by: Advait01

13 Mar 2026, 11:50