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

176

15

78,662

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

188,481

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

487,877

by: bb

29 Aug 2025, 13:27

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

11,419

by: bumpbot

10 Feb 2026, 23:03

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

2,565

by: egmat

12 Feb 2026, 04:48

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

3,399

by: bumpbot

04 Oct 2023, 01:57

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

24,744

by: bumpbot

20 Dec 2022, 05:11

ER

Is rw = 0?

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

BrainLab

19 Sep 2015, 14:51

43

12

28,007

by: bumpbot

11 Jun 2023, 06:22

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

35,691

by: bumpbot

16 Jul 2025, 04:59

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

42,806

by: bumpbot

24 Aug 2025, 22:11

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

33,346

by: bumpbot

02 Sep 2025, 06:36

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

32,142

by: bumpbot

02 Sep 2025, 08:09

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

29,368

by: bumpbot

18 Sep 2025, 03:53

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

30,295

by: bumpbot

06 Nov 2025, 17:44

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

4,578

by: v12345

10 Aug 2021, 22:33

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

10,024

by: bumpbot

19 May 2024, 20:59

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

6,000

by: dbcoupie123

05 Feb 2023, 10:45

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

16,592

by: Bunuel

08 Oct 2025, 10:23

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

2,628

by: BostonTC2018

09 May 2021, 15:09

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

485

by: Borrat

22 Mar 2026, 06:53

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

28,905

by: bumpbot

17 Oct 2023, 11:59

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

39,802

by: bumpbot

04 Jul 2025, 12:08

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

16,529

by: KarishmaB

07 Aug 2025, 04:28

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

32,122

by: bumpbot

10 Aug 2025, 04:44

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

18,858

by: bumpbot

27 Sep 2025, 08:39

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

470

30

53,790

by: bumpbot

13 Nov 2025, 20:54

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

29,448

by: bumpbot

13 Mar 2026, 01:12

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

30,621

by: bumpbot

02 Apr 2026, 06:33

ER

Is a + b < c - d?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

BoomHH

06 Feb 2017, 01:00

6

3

2,200

by: bumpbot

31 Dec 2025, 03:03

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

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

1,249

by: chetan2u

28 Jun 2023, 02:05

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

4,845

by: bumpbot

02 Jul 2015, 06:37

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

9,923

by: Bunuel

19 Jun 2016, 09:33

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

5,390

by: bumpbot

03 Oct 2017, 09:58

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

4,346

by: bumpbot

25 Sep 2019, 05:17

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

13,027

by: bumpbot

24 Sep 2024, 02:43

ER

If p and q are consecutive integers, is p a multiple of 3?

655-705 (Hard) | Multiples and Factors

655-705 (Hard) | Multiples and Factors hide tags

BN1989

01 Mar 2012, 05:47

15

9

6,399

by: bumpbot

10 Oct 2024, 08:42

ER

After winning 80% of his first 40 matches, Igby won 50

805+ (Hard) | Percent and Interest Problems, Word Problems

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

BN1989

14 Mar 2012, 04:03

67

11

12,433

by: pierjoejoe

11 Oct 2024, 10:41

ER

Set X consists of seven consecutive integers, and Set Y consists of

705-805 (Hard) | Statistics and Sets Problems, Word Problems

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

BN1989

03 Mar 2012, 06:41

90

10

11,250

by: bumpbot

01 Aug 2025, 22:26

ER

John owns stock in nine different companies, for a total of

805+ (Hard) | Percent and Interest Problems, Word Problems

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

BN1989

24 Mar 2012, 10:58

31

9

8,411

by: Bunuel

11 Dec 2025, 07:06

ER

If three circles having radii 1, 2, and 3 respectively lie o

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

bmwhype2

19 Feb 2014, 00:19

32

15

12,482

by: bumpbot

05 Sep 2021, 19:48

ER

What is the value of p^3 - q^3?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

bmwhype2

22 Nov 2013, 04:42

20

3

17,774

by: bumpbot

18 Dec 2022, 04:59

ER

Does line Ax + By + C = 0 (A is not 0) intersect the x-axis

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

bmwhype2

13 Nov 2013, 02:03

47

10

15,754

by: bumpbot

17 Feb 2023, 04:16

What is the difference between the lengths of diagonals of

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

bmwhype2

15 Nov 2007, 08:43

48

14

12,597

by: bumpbot

19 Jul 2023, 12:51

ER

If points A, B, and C form a triangle, is angle ABC>90 degre

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

bmwhype2

16 Nov 2007, 08:59

70

18

18,984

by: bumpbot

07 Jan 2024, 03:31

ER

If PQ is a two-digit positive integer, what is the value of PQ?

Sub 505 (Easy) | Arithmetic

Sub 505 (Easy) | Arithmetic hide tags

bmwhype2

03 Nov 2007, 14:44

10

8

9,837

by: bumpbot

17 Jul 2025, 04:31

ER

If for any pair of positive integers x and y, their arithmetic

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

bmwhype2

10 Mar 2023, 13:10

15

2

13,552

by: manan01

31 Oct 2025, 22:48

ER

If a bowl contains only white and black balls, what is the probability

505-555 (Easy) | Probability

505-555 (Easy) | Probability hide tags

bmwhype2

12 Jun 2025, 08:06

40

7

22,390

by: bumpbot

03 Jan 2026, 03:23

ER

Of the 75 houses in a certain community, 48 have a patio. How many of

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

bmwhype2

17 Jul 2019, 23:31

426

17

79,567

by: bumpbot

12 Jan 2026, 08:04

Is x < 0 ? (1) (x - 1)(x)(x + 1) < 0 (2) x^2 - 1 < 0

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

blueviper

17 Jul 2018, 08:22

4

6

1,392

by: exc4libur

07 Nov 2019, 12:45

ER

Is |x/x^1/2|>1

705-805 (Hard) | Absolute Values, Inequalities

705-805 (Hard) | Absolute Values, Inequalities hide tags

blueseas

08 May 2013, 05:22

13

6

4,277

by: bumpbot

06 Jun 2019, 06:08

ER

If AB=3, what is the shortest side of triangle ABC?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

blueseas

18 Aug 2013, 12:05

37

12

17,293

by: bumpbot

06 Apr 2023, 00:52

ER

A director is deciding how to cast a play from a pool of 50

705-805 (Hard) | Combinations

705-805 (Hard) | Combinations hide tags

blueseas

22 Apr 2013, 14:00

32

8

8,323

by: bumpbot

06 Jan 2026, 01:02