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

189

15

89,038

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of June 2026

1, 2

Bunuel

01 Jan 2026, 05:45

872

24

194,246

by: bumpbot

16 Sep 2025, 06:05

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DS Question Directory by Topic and Difficulty

Guides & Resources

Guides & Resources hide tags

bb

23 Aug 2026, 13:03

1.6k

1

496,232

by: bb

23 Aug 2026, 13:01

ER

In Area X, for three continuous days in a certain month of 2012, five

705-805 (Hard) | Non-Math Related

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

gemministorm

22 Nov 2025, 12:59

32

13

2,737

by: egmat

10 Aug 2026, 14:32

ER

What fraction of this year's graduating students at a certain college

605-655 (Medium) | Fractions and Ratios

605-655 (Medium) | Fractions and Ratios hide tags

1, 2

sunland

17 Jun 2019, 05:54

212

22

39,415

by: egmat

10 Aug 2026, 13:24

ER

If it took Carlos 1/2 hour to cycle from his house to the library yest

655-705 (Hard) | Distance and Speed Problems

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

TomB

11 Jun 2019, 05:58

896

19

156,442

by: Bunuel

10 Aug 2026, 13:14

ER

Does Company X strive to maintain a low defect rate in order to ensure

555-605 (Medium) | Non-Math Related

555-605 (Medium) | Non-Math Related hide tags

GMATinsight

26 May 2024, 02:15

37

6

5,918

by: MartyMurray

10 Aug 2026, 12:40

ER

David has 3 credit cards: a Passport card, an EverywhereCard and an

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

09 Aug 2026, 19:00

9

5

344

by: Beowulf2nd

10 Aug 2026, 11:53

ER

What is Bens age? (1) Two years less than twice Bens age is equal

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

06 Aug 2026, 19:00

4

493

by: TheAdmissionHub

10 Aug 2026, 10:51

ER

Can financial budgeting help individuals avoid debt?

705-805 (Hard) | Non-Math Related

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

1, 2

GMATinsight

26 May 2024, 02:14

143

20

11,388

by: egmat

10 Aug 2026, 10:30

ER

After the first term in a finite sequence of numbers, each even-number

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

devashish2407

02 Apr 2024, 03:45

22

7

2,753

by: pizzapalooza

10 Aug 2026, 07:12

ER

What is the average distance that automobile D travels on one full

Sub 505 (Easy) | Distance and Speed Problems

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

GMATBusters

16 Nov 2018, 09:33

8

5

11,247

by: agil31

10 Aug 2026, 04:48

ER

Over the course of 5 days, Monday through Friday, Danny collects a tot

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

01 Dec 2021, 09:00

10

4

2,446

by: pizzapalooza

10 Aug 2026, 03:36

ER

In triangle ABC above, what is the length of side BC?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

1, 2

Bunuel

04 Mar 2014, 00:20

154

20

45,364

by: Bunuel

10 Aug 2026, 03:35

ER

A state legislator drafts an income tax proposal that imposes a tax of

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

16 Nov 2023, 02:30

10

4

1,635

by: bumpbot

10 Aug 2026, 03:27

ER

In isosceles triangle RST what is the measure of angle R?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

gmatgg

08 Mar 2010, 22:46

216

16

106,735

by: Bunuel

10 Aug 2026, 02:42

ER

For the sequence of numbers a1, a2, a3, an, , each term after the

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

Bunuel

23 Nov 2023, 02:30

7

5

2,717

by: bumpbot

10 Aug 2026, 02:01

ER

A certain company paid bonuses of $125 to each of its executive employ

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

09 Dec 2014, 15:24

20

8

14,072

by: agil31

09 Aug 2026, 23:43

ER

If a club made a gross profit of $0.25 for each candy bar it sold, how

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

23 May 2020, 08:10

151

7

17,981

by: HarshavardhanR

09 Aug 2026, 23:12

ER

If z1, z2, z3,..., zn is a series of consecutive positive integers, is

705-805 (Hard) | Number Properties, Sequences

705-805 (Hard) | Number Properties, Sequences hide tags

TheRob

13 Nov 2022, 04:18

102

13

21,438

by: bumpbot

09 Aug 2026, 21:07

ER

Is the mean of set Q greater than its median? (1) All the elements in

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

29 Jan 2020, 01:58

5

6

2,277

by: AtsuWint

09 Aug 2026, 13:17

ER

How many subordinates does Marcia have?

805+ (Hard) | Combinations

805+ (Hard) | Combinations hide tags

marcodonzelli

16 Dec 2007, 03:13

225

15

31,806

by: bumpbot

09 Aug 2026, 10:17

ER

12 Days of Christmas GMAT Competition - Day 10: Elvin has sent wish

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

22 Dec 2023, 07:01

14

6

4,796

by: bumpbot

09 Aug 2026, 07:11

ER

What is the capacity of a particular container?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

21 Aug 2019, 02:59

3

1,599

by: bumpbot

09 Aug 2026, 04:02

In a modified version of Russian Roulette, 13 people participated

655-705 (Hard) | Non-Math Related

655-705 (Hard) | Non-Math Related hide tags

joydipb01

04 Aug 2026, 04:51

3

703

by: joydipb01

09 Aug 2026, 03:08

Is it possible for an artist to be imitative and profoundly creative?

505-555 (Easy) | Non-Math Related

505-555 (Easy) | Non-Math Related hide tags

Bunuel

15 Jan 2024, 06:00

17

2

3,564

by: bumpbot

08 Aug 2026, 19:16

30% of the engineering students attending a certain university are

505-555 (Easy) | Non-Math Related, Overlapping Sets

505-555 (Easy) | Non-Math Related, Overlapping Sets hide tags

Bunuel

22 May 2024, 01:36

12

4

3,534

by: bumpbot

08 Aug 2026, 19:13

Allison is a university student who enjoys playing tennis.

Sub 505 (Easy) | Non-Math Related

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

Bunuel

03 Aug 2024, 08:45

4

2

2,384

by: bumpbot

08 Aug 2026, 19:10

ER

GMAT Club World Cup 2026 (Day 9): A courier traveled from Hillford to

605-655 (Medium) | Distance and Speed Problems

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

1, 2, 3, 4

Bunuel

16 Jul 2026, 08:00

73

71

1,347

by: MrMaxMan

08 Aug 2026, 16:14

A jar contains 40 marbles—15 orange and 25 beige. If 18 of the marbles

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

19 May 2021, 05:30

2

1,531

by: nammolestias

08 Aug 2026, 08:51

ER

A store purchased a Brand C computer for the same amount that it paid

705-805 (Hard) | Percent and Interest Problems, Word Problems

705-805 (Hard) | Percent and Interest Problems, Word Problems hide tags

Bunuel

07 Nov 2017, 23:45

92

8

18,300

by: Rickooreo

08 Aug 2026, 04:36

ER

A box contains 10 light bulbs, fewer than half of which are defective.

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

1, 2

marcodonzelli

20 Nov 2023, 08:14

472

28

69,639

by: Rickooreo

08 Aug 2026, 03:36

ER

For all integers x and y, the operation  is defined by xy = (x+2)^2

655-705 (Hard) | Algebra, Functions and Custom Characters

655-705 (Hard) | Algebra, Functions and Custom Characters hide tags

Bunuel

18 Aug 2016, 07:38

19

5

11,734

by: bumpbot

08 Aug 2026, 02:41

ER

Movie tickets were sold for what average price in Alpha City in 1999?

605-655 (Medium) | Percent and Interest Problems

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

Bunuel

22 Mar 2023, 01:30

21

5

4,997

by: bumpbot

08 Aug 2026, 02:32

Brian got 80 percent of the first 20 questions on the test correct an

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

06 Dec 2024, 01:30

3

2,218

by: bumpbot

07 Aug 2026, 22:59

ER

In a certain business, production index p is directly proportional to

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

1, 2

Superhuman

01 Jul 2017, 10:41

592

24

73,469

by: MrMaxMan

07 Aug 2026, 09:45

A and B are the sets shown above. Another set C also has a total of 4

705-805 (Hard) | Combinations

705-805 (Hard) | Combinations hide tags

Bunuel

21 Jul 2022, 01:30

9

6

3,171

by: bumpbot

07 Aug 2026, 08:50

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

45

14

11,616

by: Stormik1

07 Aug 2026, 05:51

In the xy-plane, does y=ax^2+bx+c intersect with the x-axis? (1) a>0 (

655-705 (Hard) | Functions and Custom Characters

655-705 (Hard) | Functions and Custom Characters hide tags

Kushchokhani

15 Sep 2022, 11:14

7

2

3,408

by: bumpbot

07 Aug 2026, 03:25

ER

Yesterday Bookstore B sold twice as many softcover books as hardcover

805+ (Hard) | Statistics and Sets Problems, Word Problems

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

parkhydel

28 Apr 2020, 04:59

446

17

41,589

by: Bunuel

07 Aug 2026, 03:19

ER

At a hospital, babies are born every day for a certain number of days.

805+ (Hard) | Percent and Interest Problems

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

BillyZ

09 Mar 2017, 22:39

29

11

6,019

by: bumpbot

06 Aug 2026, 21:30

ER

If two students are chosen at random with replacement from a certain

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

lexis

09 Feb 2022, 02:50

43

6

13,447

by: bumpbot

06 Aug 2026, 16:22

ER

A jar contains exactly 100 marbles; each marble contains exactly

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

srikanth9502

14 Jul 2017, 22:03

41

3

5,939

by: bumpbot

06 Aug 2026, 14:15

ER

A bag contains only 3 different colours and atleast one ball of red

655-705 (Hard) | Probability, Word Problems

655-705 (Hard) | Probability, Word Problems hide tags

chetan2u

13 Feb 2017, 19:33

19

7

5,010

by: bumpbot

06 Aug 2026, 11:47

ER

Machine M, working alone at its constant rate, produces x widgets ever

605-655 (Medium) | Work and Rate Problems

605-655 (Medium) | Work and Rate Problems hide tags

1, 2

violetsplash

24 Sep 2013, 08:29

435

20

74,835

by: bumpbot

06 Aug 2026, 11:38

ER

Does x have at least 3 prime factors? (1) x = 5b, where b is a positiv

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

05 Mar 2019, 05:21

2

6

1,897

by: Rishm

06 Aug 2026, 10:58

ER

If x and y are nonzero integers, is x^y < y^x ?

605-655 (Medium) | Algebra +2 tags

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

Bunuel

27 Oct 2005, 16:28

241

11

35,310

by: Usernamevisible

06 Aug 2026, 10:47

ER

There are a total 10 movie theaters. Minimum number of tickets that ea

555-605 (Medium) | Statistics and Sets Problems

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

BillyZ

31 Mar 2017, 15:58

4

3

2,804

by: sunshineeee

06 Aug 2026, 07:30

ER

At SoHo Corp, what is the ratio of managers to non-managers?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

05 Aug 2026, 19:00

3

326

by: dhart

06 Aug 2026, 00:13

ER

A group consisting of N couples are going to see a movie.

655-705 (Hard) | Combinations

655-705 (Hard) | Combinations hide tags

bhandariavi

22 Mar 2011, 20:50

48

14

11,114

by: KarishmaB

05 Aug 2026, 22:42

ER

Every game of chess that Artem played this month resulted in a win, a

505-555 (Easy) | Fractions and Ratios, Word Problems

505-555 (Easy) | Fractions and Ratios, Word Problems hide tags

Bunuel

23 Mar 2022, 07:30

8

4

2,760

by: MinniMango

05 Aug 2026, 22:29

If each month, Gandalf spends $1400 of his earnings on food, how much

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

05 Aug 2026, 19:00

2

1

312

by: alamin8

05 Aug 2026, 20:41

A company produces three types of electronic components: X, Y, and Z.

605-655 (Medium) | Math Related, Word Problems

605-655 (Medium) | Math Related, Word Problems hide tags

Gmat750aspirant

28 Feb 2025, 09:36

21

6

3,647

by: MrMaxMan

05 Aug 2026, 18:00