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

178

15

79,038

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

857

24

188,708

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

488,241

by: bb

29 Aug 2025, 13:27

ER

Will Candidate A win the most votes of any of the competing candidates

555-605 (Medium) | Non-Math Related

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

gmatt1476

30 May 2024, 10:28

39

5

7,351

by: Bunuel

31 Jan 2026, 01:21

ER

Amy, Brianne, and Cedric will each choose exactly 1 container, Contain

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

guddo

24 Jan 2024, 03:55

77

11

11,606

by: GMATNinja

30 Jan 2026, 13:48

ER

If y > 0, is y greater than x ? (1) 3x = 2y (2) x + y = 5

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

19 Sep 2022, 04:56

5

2

2,428

by: JayBKK

30 Jan 2026, 06:07

ER

If Cassie works at a constant rate, will Cassie have enough time to

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

Bunuel

22 Jan 2026, 07:45

1

2

421

by: stne

29 Jan 2026, 12:09

ER

A total of 30 students are arranged in a grid for morning assembly, wi

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Amity007

21 Jan 2026, 17:52

6

2

564

by: stne

29 Jan 2026, 11:22

ER

A box of light bulbs contains exactly 3 light bulbs that are defective

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

gmatt1476

21 Sep 2019, 16:00

164

17

27,190

by: bumpbot

28 Jan 2026, 23:22

ER

If a bottle is to be selected at random from a certain

Sub 505 (Easy) | Probability

Sub 505 (Easy) | Probability hide tags

banksy

26 Feb 2011, 17:42

8

2

12,377

by: bumpbot

28 Jan 2026, 13:21

ER

The marks scored by 50 students of a class are m1, m2, m3 …m50 where m

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

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

raj44

12 Dec 2014, 07:43

12

3

4,005

by: bumpbot

28 Jan 2026, 03:18

ER

Did the seller earn a profit?

655-705 (Hard) | Percent and Interest Problems

655-705 (Hard) | Percent and Interest Problems hide tags

MahmoudFawzy

16 Apr 2019, 04:29

6

8

2,367

by: bumpbot

28 Jan 2026, 02:38

ER

If f(x) and g(x) are two functions, what is the value of g(2)?

605-655 (Medium) | Algebra, Functions and Custom Characters

605-655 (Medium) | Algebra, Functions and Custom Characters hide tags

Bunuel

10 Jul 2017, 04:37

54

8

8,101

by: bumpbot

28 Jan 2026, 02:06

ER

Bill rides his bile to work in the morning on a route that is 18 km lo

655-705 (Hard) | Distance and Speed Problems

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

Bunuel

09 Jul 2018, 00:41

14

3

6,044

by: bumpbot

27 Jan 2026, 05:59

ER

If S is a finite set of consecutive even numbers, is the

705-805 (Hard) | Statistics and Sets Problems

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

venmic

28 May 2012, 06:01

31

4

11,042

by: bumpbot

27 Jan 2026, 05:52

ER

Some of the books on a certain shelf are in English, and the rest of

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Gprabhumir

06 Mar 2024, 08:02

51

6

10,410

by: bumpbot

27 Jan 2026, 04:50

ER

Set A consists of all positive integers less than 100; Set B

555-605 (Medium) | Statistics and Sets Problems

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

mohnish104

29 Nov 2013, 02:54

18

3

17,482

by: bumpbot

27 Jan 2026, 04:16

ER

In Company X, the median annual salary is $50,000. What percent of the

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

MBA20

16 Apr 2019, 11:59

18

2

3,137

by: bumpbot

27 Jan 2026, 02:46

ER

Set n is a finite set of integers. Are there any even numbers included

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

21 Apr 2016, 00:38

4

2,708

by: bumpbot

26 Jan 2026, 08:46

ER

12 Days of Christmas GMAT Competition - Day 4: If x and y are prime

805+ (Hard) | Exponents, Number Properties

805+ (Hard) | Exponents, Number Properties hide tags

Bunuel

17 Dec 2022, 07:00

17

7

4,425

by: bumpbot

26 Jan 2026, 04:44

ER

A certain 4-liter solution of vinegar and water consists of x liters

Sub 505 (Easy) | Mixture Problems

Sub 505 (Easy) | Mixture Problems hide tags

siddhans

29 Sep 2011, 02:44

23

8

23,707

by: bumpbot

26 Jan 2026, 03:59

ER

Is n less than 1? (1) n is less than 0.01 percent of 10,000. (2) n is

505-555 (Easy) | Inequalities, Percent and Interest Problems

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

parkhydel

28 Apr 2020, 05:14

26

3

27,435

by: bumpbot

25 Jan 2026, 23:32

ER

If x^2 + y^2 = 100, what is the value of (x - y)^2 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

GMATNinja

17 Apr 2022, 23:07

14

6

7,679

by: bumpbot

25 Jan 2026, 22:49

ER

If the greatest common factor of two integers, m and n, is

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

rxs0005

20 Mar 2011, 09:52

21

12

11,257

by: bumpbot

25 Jan 2026, 17:00

ER -1

Is MNP isosceles? (1) Exactly two of the angles, M and N, have the

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

GMATBusters

14 Nov 2018, 09:39

27

8

14,405

by: Legend2k23

25 Jan 2026, 13:27

ER

Is p + q = 0 ?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Asifpirlo

09 Aug 2013, 02:51

17

6

4,003

by: bumpbot

25 Jan 2026, 00:22

ER

If p and q are positive integers, is p > q?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

pushkarajnjadhav

22 Aug 2017, 13:33

9

3

4,249

by: bumpbot

25 Jan 2026, 00:19

ER

Mr. Jones spends $ 76 on movie tickets for a group of adults and child

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

17 Jan 2026, 05:45

3

1

449

by: stne

24 Jan 2026, 14:14

ER

Carmen bought several cans of soda. If each can was either a 75cent

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

18 Jan 2026, 03:45

1

319

by: stne

24 Jan 2026, 14:01

ER

In a certain institute, every student studies at least one of two

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

15 Jan 2026, 07:45

1

432

by: stne

24 Jan 2026, 13:35

ER

Scientists have discovered a distant exoplanet

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Gmat750aspirant

15 Mar 2025, 09:55

6

4

987

by: prathamk111

24 Jan 2026, 12:25

ER

If all of the employees of Company K who worked there last January are

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

rahulms

27 Jul 2015, 14:43

8

5

12,210

by: bumpbot

24 Jan 2026, 12:21

ER

Ines has $15 to purchase fruit. All apples are priced equally and all

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

mbaORnoMBA

18 Aug 2019, 21:22

51

4

9,217

by: bumpbot

24 Jan 2026, 03:42

ER

((x+y+1)/(x+y))((x+z+2)/(x+z))((x+w+3)/(x+w))>8?

805+ (Hard) | Algebra, Inequalities

805+ (Hard) | Algebra, Inequalities hide tags

fskilnik

26 Mar 2019, 10:15

6

2

1,556

by: bumpbot

23 Jan 2026, 23:16

ER

Last Monday N female executives (N>1) received M male managers (M>1)

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

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

fskilnik

26 Mar 2019, 07:32

10

3

2,327

by: bumpbot

23 Jan 2026, 23:09

ER

If x^3(x^2+y^2)=z^2, is xyz=0?

705-805 (Hard) | Algebra, Inequalities

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

fskilnik

25 Feb 2019, 16:03

4

2

1,654

by: bumpbot

23 Jan 2026, 22:49

ER

A certain bag contains only red and blue marbles. Are there at least 2

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

16 Mar 2022, 07:30

3

2

2,303

by: bumpbot

23 Jan 2026, 10:10

ER

In a bag with red, blue, green and yellow balls, the number of red bal

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

05 May 2020, 02:53

5

4

7,380

by: bumpbot

23 Jan 2026, 10:06

ER

A bag has red, blue, green, and yellow marbles in the ratio 6:5:2:2.

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

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

Bunuel

28 Apr 2021, 08:30

3

2

3,126

by: bumpbot

23 Jan 2026, 10:03

ER

A box has some red and some green balls in it. There are no balls of

505-555 (Easy) | Probability

505-555 (Easy) | Probability hide tags

Bunuel

04 Aug 2021, 05:30

4

2

3,537

by: bumpbot

23 Jan 2026, 10:00

ER

Steve spent a total of $36 on transportation for 3 days. What was his

605-655 (Medium) | Statistics and Sets Problems

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

alphonsa

09 Sep 2014, 23:05

13

3

3,454

by: bumpbot

23 Jan 2026, 02:27

ER

If m and n are integers greater than 1, what is the value of

705-805 (Hard) | Algebra, Exponents

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

fskilnik

11 Feb 2019, 06:32

6

4

1,783

by: bumpbot

23 Jan 2026, 02:03

ER

John and Terry are standing in a queue with Terry in front of John. Ho

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

BillyZ

24 Feb 2017, 01:57

4

3

3,670

by: zhangwma

23 Jan 2026, 01:15

ER

A certain toy store sold 20 toys yesterday, each of which was either

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

20 Nov 2022, 12:30

9

5

2,584

by: egmat

22 Jan 2026, 23:10

ER

If a, b, c and n are positive integers and m = a^4*b^3*c^n, how many

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

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

Bunuel

13 Jun 2023, 08:00

14

5

1,978

by: bumpbot

22 Jan 2026, 13:09

ER

In a particular machine, there are 2 gears that interlock; One gear is

605-655 (Medium) | Work and Rate Problems

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

imhimanshu

16 Aug 2012, 08:32

167

7

31,603

by: bumpbot

21 Jan 2026, 15:05

ER

Joanna worked 5 shifts at a used car lot last week. Joanna earns $200

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

06 Apr 2022, 04:30

14

5

3,450

by: bumpbot

21 Jan 2026, 09:18

ER

Two consecutive positive integers are divided by 25. What is the sum

805+ (Hard) | Remainders

805+ (Hard) | Remainders hide tags

pushpitkc

01 Oct 2018, 06:38

22

3

4,715

by: bumpbot

21 Jan 2026, 01:49

ER

What is the value of even positive integer n?

705-805 (Hard) | Combinations

705-805 (Hard) | Combinations hide tags

robu

31 Mar 2016, 10:13

20

4

5,235

by: bumpbot

21 Jan 2026, 01:38

ER

Last Saturday a certain circus charged $6 per adult ticket and $3 per

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

guddo

24 Jan 2024, 02:25

29

4

5,804

by: bumpbot

20 Jan 2026, 10:13

ER

The Patel, Lopez, and Russo families all had parties recently. There

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

05 Feb 2021, 01:15

10

3

4,835

by: bumpbot

20 Jan 2026, 05:07

ER

If x is a non negative number, Is x > 5? (1) |4 - 3x| = 14

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

amanvermagmat

27 Nov 2018, 22:16

2

3

1,519

by: bumpbot

20 Jan 2026, 02:08

ER

List P contains m numbers; list Q contains n numbers. If the two lists

705-805 (Hard) | Statistics and Sets Problems

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

Bunuel

16 Oct 2020, 00:15

48

7

11,158

by: bumpbot

19 Jan 2026, 09:24