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

175

15

78,564

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

854

24

188,427

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

487,773

by: bb

29 Aug 2025, 13:27

ER

If w > x > y > z > 0, is z < 4?

805+ (Hard) | Algebra, Inequalities

805+ (Hard) | Algebra, Inequalities hide tags

BN1989

01 Apr 2012, 03:47

68

4

13,024

by: bumpbot

24 Sep 2024, 02:43

ER

If the average of 7 numbers is 72, how many of the numbers

555-605 (Medium) | Statistics and Sets Problems

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

BN1989

20 Mar 2012, 13:43

8

6

4,345

by: bumpbot

25 Sep 2019, 05:17

ER

If m is a positive integer greater than 1 can m be expressed

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

BN1989

14 Mar 2012, 05:36

2

4

5,388

by: bumpbot

03 Oct 2017, 09:58

ER

How many integers n are there such than v < n < w ?

555-605 (Medium) | Arithmetic, Number Properties

555-605 (Medium) | Arithmetic, Number Properties hide tags

BN1989

14 Jun 2019, 03:47

42

5

9,915

by: Bunuel

19 Jun 2016, 09:33

ER

Is the two-digit prime number p equal to 17?

Poor Quality

Poor Quality hide tags

BN1989

12 Jun 2013, 03:25

8

2

4,842

by: bumpbot

02 Jul 2015, 06:37

ER

Let m and n be positive integers. Is (m^13 - m^12)/n an integer?

705-805 (Hard) | Exponents, Number Properties

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

Bonojit

13 Jun 2023, 01:51

3

4

1,246

by: chetan2u

28 Jun 2023, 02:05

ER

Is ABCD a rectangle?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Boochan

01 Jun 2022, 10:50

2

1

1,380

by: SaquibHGMATWhiz

02 Jun 2022, 04:02

ER

Is a + b < c - d?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

BoomHH

06 Feb 2017, 01:00

6

3

2,199

by: bumpbot

31 Dec 2025, 03:03

ER

Each person on a committee with 40 members voted for exactly one of 3

605-655 (Medium) | Arithmetic, Min-Max Problems

605-655 (Medium) | Arithmetic, Min-Max Problems hide tags

boomtangboy

01 Apr 2012, 05:29

174

14

30,600

by: bumpbot

02 Apr 2026, 06:33

ER

The table above gives the number of calories and grams of protein per

555-605 (Medium) | Mixture Problems, Word Problems

555-605 (Medium) | Mixture Problems, Word Problems hide tags

boomtangboy

01 Oct 2022, 09:18

104

9

29,434

by: bumpbot

13 Mar 2026, 01:12

ER

If x ≠ 0, is |x| < 1 ? (1) x^2 < 1 (2) |x| < 1/x

605-655 (Medium) | Absolute Values, Inequalities

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

1, 2

boomtangboy

09 Jun 2019, 22:05

469

30

53,771

by: bumpbot

13 Nov 2025, 20:54

ER

If Ruth began a job and worked continuously until she finished, at

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

boomtangboy

13 Sep 2022, 02:30

25

7

18,852

by: bumpbot

27 Sep 2025, 08:39

ER

If 1 < d < 2, is the tenths’ digit of the decimal representation of d

555-605 (Medium) | Fractions and Ratios, Inequalities

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

boomtangboy

28 Apr 2012, 22:02

149

13

32,109

by: bumpbot

10 Aug 2025, 04:44

ER

Before play-offs, a certain team had won 80 percent of its games. Afte

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

boomtangboy

23 May 2022, 08:56

61

10

16,524

by: KarishmaB

07 Aug 2025, 04:28

ER

Bowls X and Y each contained exactly 2 jelly beans, each of which was

605-655 (Medium) | Combinations

605-655 (Medium) | Combinations hide tags

boomtangboy

08 Apr 2012, 09:44

184

14

39,788

by: bumpbot

04 Jul 2025, 12:08

ER

Is x an integer? (1) x/2 is an integer (2) 2x is an integer

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

boomtangboy

21 Sep 2019, 20:13

20

4

28,896

by: bumpbot

17 Oct 2023, 11:59

On the Celsius scale of temperature, water freezes at 0° and boils at

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Borrat

22 Mar 2026, 06:53

1

0

462

by: Borrat

22 Mar 2026, 06:53

If ab cannot equal 0, what is the value of 2b/a?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

BostonTC2018

09 May 2021, 13:03

3

2,626

by: BostonTC2018

09 May 2021, 15:09

ER

A certain list consists of five different integers. Is the average (ar

655-705 (Hard) | Statistics and Sets Problems

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

boubi

15 Dec 2014, 08:05

86

11

16,585

by: Bunuel

08 Oct 2025, 10:23

ER

There is a set of numbers 2, 4, 6, 8,10 and x. What is the value of x?

555-605 (Medium) | Statistics and Sets Problems

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

Bounce1987

15 Sep 2017, 15:12

13

12

5,999

by: dbcoupie123

05 Feb 2023, 10:45

ER

Is (|x^(-1)*y^(-1)|)^(-1)> xy?

555-605 (Medium) | Absolute Values +2 tags

555-605 (Medium) | Absolute Values, Exponents, Inequalities hide tags

BPHASDEU

20 Feb 2017, 22:39

29

6

10,018

by: bumpbot

19 May 2024, 20:59

ER

At a certain restaurant, the total price for one hamburger a

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bradrs24

14 Jun 2010, 16:39

3

2

4,576

by: v12345

10 Aug 2021, 22:33

ER

Three houses are being sold through a real estate agent

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

BrainLab

19 Sep 2015, 14:39

57

7

30,286

by: bumpbot

06 Nov 2025, 17:44

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

29,367

by: bumpbot

18 Sep 2025, 03:53

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

69

9

32,132

by: bumpbot

02 Sep 2025, 08:09

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

40

10

33,344

by: bumpbot

02 Sep 2025, 06:36

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

42,798

by: bumpbot

24 Aug 2025, 22:11

ER

A certain truck uses 1/12 +kv^2 gallons of fuel per mile when its spee

Sub 505 (Easy) | Distance and Speed Problems, Word Problems

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

1, 2

BrainLab

26 Jul 2021, 08:37

158

20

35,680

by: bumpbot

16 Jul 2025, 04:59

ER

Is rw = 0?

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

BrainLab

19 Sep 2015, 14:51

43

12

28,001

by: bumpbot

11 Jun 2023, 06:22

ER

If the product of the three digits of the positive integer k is 14, wh

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

BrainLab

17 Jul 2019, 23:23

38

4

24,741

by: bumpbot

20 Dec 2022, 05:11

A certain 4-liter solution of water, vinegar, and alcohol consists of

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Brant22

19 Apr 2019, 04:08

10

5

3,397

by: bumpbot

04 Oct 2023, 01:57

ER

A box contains 10 objects. Each object is either blue or red, and each

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

BrentGMATPrepNow

05 Aug 2022, 07:08

14

3

2,563

by: egmat

12 Feb 2026, 04:48

ER

A ball is randomly selected from a box containing white balls and

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

BrentGMATPrepNow

14 Feb 2017, 07:06

40

14

11,413

by: bumpbot

10 Feb 2026, 23:03

ER

In the sequence t_1, t_2, t_3, t_4 . . . t_n, , what is the value of

655-705 (Hard) | Sequences

655-705 (Hard) | Sequences hide tags

BrentGMATPrepNow

05 Mar 2022, 10:42

16

3

3,059

by: bumpbot

31 Jan 2026, 02:12

ER

What is the area of the shaded region in the figure shown?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

BrentGMATPrepNow

29 Apr 2018, 07:09

162

11

26,598

by: bumpbot

21 Jan 2026, 21:39

ER

A box contains black balls and white balls only. If a ball is randomly

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

BrentGMATPrepNow

16 Feb 2017, 12:32

17

7

11,105

by: bumpbot

24 Dec 2025, 21:49

ER

If y < x < z and xyz < 0, is xy > 0?

705-805 (Hard) | Arithmetic, Number Properties

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

BrentGMATPrepNow

17 Apr 2017, 08:39

86

9

10,401

by: bumpbot

11 Dec 2025, 10:02

ER

If x > 4, is (5x - 2)/(10 - 3x) > -2?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

BrentGMATPrepNow

09 Jan 2017, 13:56

2

5

2,748

by: bumpbot

30 Oct 2025, 06:23

ER

What is the value of x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

BrentGMATPrepNow

24 Feb 2020, 07:31

3

5

2,095

by: bumpbot

30 Oct 2025, 06:21

ER

Is kx < ky? (1) 2x < 3y (2) 2x < y

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

BrentGMATPrepNow

24 Oct 2021, 07:03

2

3

1,555

by: bumpbot

30 Oct 2025, 06:14

ER

If w, x and y are positive, is (x+w)/(y+w) > x/y ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

BrentGMATPrepNow

03 Sep 2022, 13:20

2

3

1,127

by: bumpbot

30 Oct 2025, 06:08

ER

Brand W nut mix contains 24% cashews by weight, and Brand X

605-655 (Medium) | Mixture Problems

605-655 (Medium) | Mixture Problems hide tags

BrentGMATPrepNow

29 Apr 2018, 07:58

35

8

7,175

by: bumpbot

30 Oct 2025, 06:03

ER

Is positive integer p even?

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

BrentGMATPrepNow

20 May 2019, 06:22

48

11

6,037

by: Bunuel

27 Oct 2025, 08:57

ER

If A and B are integers, is N an even integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

BrentGMATPrepNow

24 May 2022, 07:44

15

9

3,200

by: bumpbot

20 Oct 2025, 10:43

ER

What is the value of term_5 of sequence X?

705-805 (Hard) | Sequences

705-805 (Hard) | Sequences hide tags

BrentGMATPrepNow

07 Aug 2022, 08:14

21

3

2,929

by: bumpbot

15 Oct 2025, 08:52

ER

If A and B are integers, is B even?

805+ (Hard) | Algebra, Number Properties

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

BrentGMATPrepNow

31 May 2022, 08:28

26

5

4,564

by: bumpbot

11 Oct 2025, 05:50

ER

n and k are positive integers. When n is divided by 23, the quotient i

805+ (Hard) | Remainders

805+ (Hard) | Remainders hide tags

BrentGMATPrepNow

01 Nov 2016, 09:59

216

5

20,636

by: Bunuel

27 Sep 2025, 23:23

ER

j and k are positive integers, and n = 10^j

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

BrentGMATPrepNow

11 Oct 2018, 13:52

6

5

2,257

by: bumpbot

18 Sep 2025, 06:47

ER

Is x² + y² > -2xy? (1) xy > 0 (2) x - y = 4

655-705 (Hard) | Algebra, Inequalities

655-705 (Hard) | Algebra, Inequalities hide tags

BrentGMATPrepNow

07 Mar 2023, 09:14

3

4

3,100

by: bumpbot

11 Sep 2025, 07:04

ER

From a group of 6 employees, k employees are chosen to be on the party

655-705 (Hard) | Combinations

655-705 (Hard) | Combinations hide tags

BrentGMATPrepNow

04 Apr 2017, 08:35

32

7

9,131

by: bumpbot

30 Aug 2025, 18:15