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

78,891

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

857

24

188,620

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

488,103

by: bb

29 Aug 2025, 13:27

ER

What is the value of x?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Shalabh09

01 May 2015, 06:32

17

8

4,153

by: bumpbot

19 Jul 2025, 19:10

ER

In the figure above, ABC is a right triangle with AC as its hypotenuse

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

01 May 2015, 02:23

77

9

10,701

by: bumpbot

21 Apr 2023, 22:05

ER

A coin purse contains 13 coins, each worth 1, 5, 10, or 25 cents; the

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

01 May 2015, 02:20

33

6

7,417

by: bumpbot

31 Aug 2024, 03:42

ER

In the xy-coordinate plane, line L passes through the points (b, a) an

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

Bunuel

01 May 2015, 02:16

79

10

13,686

by: bumpbot

26 Feb 2024, 09:05

ER

If PQ is a diameter of the circle above, and the lengths of AX, BX, PX

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

01 May 2015, 02:10

45

11

7,990

by: bumpbot

23 Sep 2025, 17:42

ER

Tickets to a play cost $10 for children and $25 for adults. If 90

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Gmatdecoder

30 Apr 2015, 09:08

46

10

15,815

by: bumpbot

04 Nov 2025, 00:30

Find the LCM of a and b

655-705 (Hard) | Multiples and Factors, Number Properties

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

PrepTap

07 May 2015, 00:15

8

4

2,936

by: sayan640

19 May 2024, 14:22

ER

Each of seven consecutive integers, all greater than positive integer

805+ (Hard) | Multiples and Factors +2 tags

805+ (Hard) | Multiples and Factors, Number Properties, Statistics and Sets Problems hide tags

Bunuel

30 Apr 2015, 04:23

64

7

8,925

by: bumpbot

01 Nov 2025, 11:37

ER

In the trapezoid above, with sides a, b, c, and 1, what is the value o

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

30 Apr 2015, 04:17

40

8

8,033

by: KarishmaB

08 Nov 2023, 22:56

ER

Is xy an integer?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

30 Apr 2015, 04:06

17

6

6,733

by: adityasuresh

15 Mar 2023, 08:12

ER

If x is an integer, what is the value of x?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Fenna

29 Apr 2015, 10:09

1

4

3,264

by: KrishnakumarKA1

15 Mar 2017, 04:51

ER

Is n(n+1)(n+2) divisible by 24?

605-655 (Medium) | Multiples and Factors, Number Properties

605-655 (Medium) | Multiples and Factors, Number Properties hide tags

PrepTap

07 May 2015, 00:08

63

10

17,602

by: bumpbot

21 Aug 2025, 12:08

ER

In the grid above, the variables a through p are each equal to 2, 3, 5

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

29 Apr 2015, 04:02

32

5

4,353

by: bumpbot

18 Jun 2023, 07:02

ER

Saul invests an amount of dollars in investment A at i% simple annual

705-805 (Hard) | Percent and Interest Problems

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

Bunuel

04 May 2015, 04:29

26

9

6,967

by: bumpbot

01 Mar 2025, 08:32

ER

Sides AB, BC, and CD of quadrilateral ABCD all have length 10. What is

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

28 Apr 2015, 05:20

13

8

6,845

by: GMATking94

02 May 2023, 11:49

ER

Line m and line n intersect, forming 4 angles. Does any of these angle

805+ (Hard) | Geometry, Number Properties

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

Bunuel

28 Apr 2015, 05:18

50

6

6,093

by: bumpbot

01 May 2023, 10:54

ER

Is x an even integer?

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

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

Bunuel

28 Apr 2015, 05:15

36

10

6,626

by: hiteshlimbasiya

05 Jun 2025, 09:27

ER

Is n > m ? (1) 7n > 9m (2) |n/m| > 1

705-805 (Hard) | Absolute Values, Inequalities

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

PrepTap

28 May 2022, 03:26

29

15

9,433

by: bumpbot

20 Jan 2024, 05:27

ER

X is a three-digit positive integer in which each digit is either 1 or

805+ (Hard) | Fractions and Ratios, Remainders

805+ (Hard) | Fractions and Ratios, Remainders hide tags

Bunuel

27 Apr 2015, 04:38

113

9

17,269

by: mvgkannan

22 Jun 2025, 23:49

ER

A particular gymnastics tournament awards a gold, a silver, and a bron

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

27 Apr 2015, 04:33

22

6

5,320

by: tryorcry

14 Jan 2026, 00:39

ER

If a, b, and c are nonzero integers and z = b^c>, is a^z negative?

705-805 (Hard) | Absolute Values, Exponents

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

Bunuel

27 Apr 2015, 04:28

37

6

6,864

by: bumpbot

22 Apr 2025, 04:02

ER

In the x-y coordinate plane, what is the minimum distance between a po

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

Bunuel

27 Apr 2015, 04:26

31

8

7,807

by: bumpbot

04 Sep 2023, 10:13

ER

For any numbers a and b, min(a, b) and max(a, b) represent the minimum

805+ (Hard) | Functions and Custom Characters

805+ (Hard) | Functions and Custom Characters hide tags

Bunuel

27 Apr 2015, 04:20

40

5

21,389

by: bumpbot

31 May 2024, 22:50

ER

Every item in an apparel shop has a tag that is either blue, green or

655-705 (Hard) | Percent and Interest Problems, Word Problems

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

itzmyzone911

25 Apr 2015, 05:06

12

6

4,254

by: bumpbot

17 Jan 2026, 22:35

ER

Each resident of Ranchville either likes or dislikes Wrestling and eac

Poor Quality

Poor Quality hide tags

shohrat6383

24 Apr 2015, 08:42

2

6

1,802

by: aimtoteach

27 Apr 2015, 21:04

25<X<28, where X represents the number of factors of Joey's house

705-805 (Hard) | Exponents +2 tags

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

PrepTap

24 Apr 2015, 05:16

11

4

3,178

by: bumpbot

01 Apr 2021, 03:57

ER

The integers a, b, c, and d can each be equal to 0, 1, 2, or 3, indepe

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

24 Apr 2015, 03:07

25

6

4,690

by: bumpbot

26 Nov 2024, 17:41

ER

How much greater is the square of the sum of three different positive

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

24 Apr 2015, 03:05

15

5

6,002

by: bumpbot

27 Sep 2025, 13:06

ER

In a certain game only one player can win and only one player always

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

SivaKumarP

24 Apr 2015, 02:28

39

15

10,134

by: bumpbot

27 Jun 2025, 00:31

ER

Is a - b > 0?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

NYCgirl15

23 Apr 2015, 16:03

1

4

3,348

by: bumpbot

31 May 2019, 23:22

ER

If yz not equal 0, what is the value of 12x/(yz)?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

NYCgirl15

24 Apr 2015, 02:31

3

4

4,051

by: bumpbot

09 Jun 2024, 18:49

ER

The difference between positive two-digit integer A and the smaller tw

805+ (Hard) | Multiples and Factors, Number Properties

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

Bunuel

23 Apr 2015, 03:57

74

12

7,962

by: bumpbot

13 Jul 2025, 16:42

ER

If a and b are both positive integers, is a^2b^2 divisible by 8?

555-605 (Medium) | Multiples and Factors, Number Properties

555-605 (Medium) | Multiples and Factors, Number Properties hide tags

Bunuel

23 Apr 2015, 03:49

11

15

6,812

by: bumpbot

08 Dec 2022, 06:52

ER

Albert spent $100 in total on four different types of scratch tickets,

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

04 Feb 2026, 00:36

15

12

4,848

by: bumpbot

04 Feb 2026, 00:31

ER

Points A and B lie on Circle O. Is the area of Circle O greater than 8

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

23 Apr 2015, 03:46

27

9

8,635

by: bumpbot

30 Dec 2021, 09:24

ER

Is integer x prime?

555-605 (Medium) | Multiples and Factors, Number Properties

555-605 (Medium) | Multiples and Factors, Number Properties hide tags

Bunuel

23 Apr 2015, 03:44

15

6

5,930

by: bumpbot

08 Aug 2024, 22:41

ER

What is the sum of the digits of two-digit positive integer M?

705-805 (Hard) | Fractions and Ratios

705-805 (Hard) | Fractions and Ratios hide tags

Bunuel

22 Apr 2015, 03:35

42

7

11,242

by: bumpbot

26 Jul 2023, 00:08

ER

What is the measure of angle B?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

22 Apr 2015, 03:34

4

5

6,127

by: bumpbot

17 Jan 2023, 22:48

ER

Is g+h > 3.6?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

22 Apr 2015, 03:32

16

7

12,931

by: merajul

25 Nov 2019, 10:57

ER

If xy 0, is a > y/x?

655-705 (Hard) | Algebra, Inequalities

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

Bunuel

22 Apr 2015, 03:11

19

10

8,038

by: vivek4141

22 Jul 2024, 10:43

ER

In an integer division operation, the divisor is x, the quotient is y,

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

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

Bunuel

22 Apr 2015, 03:08

40

10

10,565

by: bumpbot

24 Jan 2025, 10:44

When integer A divide by 9 remainder is X, when integer B divided by 9

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

Harley1980

22 Apr 2015, 02:05

12

5

3,217

by: bumpbot

17 May 2019, 09:28

ER

At a graduation ceremony, some students earned bachelors in science de

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

21 Apr 2015, 06:10

25

7

8,277

by: bumpbot

19 Dec 2025, 06:14

ER

A jar contains only black marbles and white marbles. If two thirds of

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

21 Apr 2015, 05:59

70

13

16,051

by: bumpbot

12 Feb 2026, 06:00

ER

When integer A divide by 79 remainder is X and when integer B divided

805+ (Hard) | Multiples and Factors, Remainders

805+ (Hard) | Multiples and Factors, Remainders hide tags

1, 2

Harley1980

20 Apr 2015, 23:12

29

22

6,459

by: bumpbot

01 Mar 2019, 16:17

ER

If P is a positive integer, what is the reminder when P^2-1 is divided

705-805 (Hard) | Number Properties, Remainders

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

Turkish

27 May 2017, 06:31

10

3

4,088

by: bumpbot

06 Nov 2024, 08:28

ER

If a and b are positive, a% of what number is equal to b% of a?

555-605 (Medium) | Percent and Interest Problems

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

petu

19 Apr 2015, 11:39

2

3,099

by: EMPOWERgmatRichC

19 Apr 2015, 12:40

ER

If x and y are integers, is xy even?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

mpcostello

20 Apr 2015, 04:35

5

4,483

by: Bunuel

20 Apr 2015, 04:36

When integer A divide by 4 remainder is 1, when integer B divided by 4

655-705 (Hard) | Multiples and Factors, Remainders

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

Harley1980

19 Apr 2015, 08:11

7

4

3,111

by: ManjariMishra

17 May 2019, 10:04

ER

A certain car rental agency rented 25 vehicles yesterday, each of whic

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

17 Apr 2015, 04:55

30

11

6,282

by: bumpbot

20 Jul 2025, 17:20