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

179

15

79,900

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

858

24

189,020

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

488,737

by: bb

29 Aug 2025, 13:27

ER

If a and b are two distinct positive integers, what is the largest num

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

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

mangamma

19 Apr 2019, 09:18

11

4

3,559

by: bumpbot

14 Nov 2023, 07:07

An artist painted a series of 5 landscapes, titled Midnight 1-5

705-805 (Hard) | Fractions and Ratios

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

MT1302

22 Mar 2024, 08:30

12

3

3,559

by: bumpbot

25 Jul 2025, 04:20

ER

Store R and S each discounted their selling prices of a cert

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

summer101

11 Jun 2013, 02:04

3

3,560

by: bumpbot

12 Apr 2022, 23:16

ER

Is 0 > ab?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

30 Dec 2014, 07:44

11

3,561

by: HKD1710

21 Aug 2016, 06:16

ER

If x, y and z are Integers and -2< z <2, z is not equal to 0, Is (x+y)

655-705 (Hard) | Inequalities, Min-Max Problems

655-705 (Hard) | Inequalities, Min-Max Problems hide tags

GMATinsight

18 Oct 2016, 08:04

9

3

3,561

by: bumpbot

23 Sep 2023, 03:49

ER

At the end of year X, was the number of self-employed men mo

555-605 (Medium) | Percent and Interest Problems

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

fozzzy

06 Jul 2013, 03:25

1

3

3,562

by: bumpbot

09 Jan 2016, 14:49

ER

In a certain set of 300 stocks, each is priced at either $50, $100, or

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

28 Aug 2015, 02:33

29

4

3,562

by: bumpbot

16 Dec 2025, 20:29

ER

What is the value of x ? (1) xy = 6 (2) x + y = 5

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

15 Jan 2018, 08:38

3

5

3,563

by: bumpbot

24 Feb 2020, 03:37

ER

Each of a, b, and c is a positive integer, 3b < a, and a + b = c. What

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

26 Jul 2018, 00:22

6

4

3,563

by: Bunuel

28 May 2020, 11:50

ER

Is a + b > 0? (1) |a| > |b| (2) a < b

605-655 (Medium) | Absolute Values, Inequalities

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

chetan2u

20 Nov 2017, 10:19

13

7

3,563

by: chetan2u

25 Jan 2021, 22:14

ER

What is the total weight of 36 coins, in grams?

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

CAMANISHPARMAR

10 Apr 2020, 23:14

6

4

3,563

by: bumpbot

02 Feb 2024, 22:34

ER

If P, Q, R, S, T, X, Y, and Z each represents one digit between 0 and

605-655 (Medium) | Multiples and Factors

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

jn0r

27 Jan 2021, 21:52

11

4

3,563

by: bumpbot

19 Oct 2024, 02:40

ER

John, Peter, and Paul together have ten marbles. If each has at least

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

13 Feb 2018, 22:42

2

4

3,564

by: varun4s

17 Feb 2018, 03:00

ER -1

Mickey made an X dollars loan at the beginning of 1996. Travis, who is

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

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

Bunuel

19 Jul 2016, 03:34

7

3,565

by: Rajiv11944

12 Sep 2024, 12:05

ER

If X is a factor of 30, is X even?

Sub 505 (Easy) | Multiples and Factors, Number Properties

Sub 505 (Easy) | Multiples and Factors, Number Properties hide tags

EgmatQuantExpert

13 Aug 2018, 02:17

2

3,566

by: EgmatQuantExpert

27 Feb 2018, 23:37

ER

If a is less than 80% of b, is a less than 50?

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

11 Feb 2020, 01:17

8

9

3,566

by: bumpbot

04 Aug 2022, 18:47

ER

If a < b < c < d, is abcd > 0? (1) abc > 0 (2) bcd < 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

29 Dec 2016, 11:56

5

6

3,569

by: bumpbot

27 Feb 2018, 09:55

ER

Three positive integers a, b and c leave the same remainder y

805+ (Hard) | Remainders

805+ (Hard) | Remainders hide tags

firas92

01 Jul 2019, 12:20

19

5

3,570

by: bumpbot

17 Jul 2025, 04:49

ER

Does the graph of f(x)=ax^2+bx+c have 2 intersections with axis-x? (1)

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

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

MBA20

06 Apr 2019, 22:30

29

3

3,570

by: bumpbot

05 Apr 2026, 05:44

ER

If x and y are integers, is x even?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

12 Oct 2015, 22:16

6

9

3,571

by: bumpbot

11 Aug 2020, 13:49

ER

In how many ways can n different balls be arranged in r slots?

Poor Quality

Poor Quality hide tags

Sajjad1994

04 Oct 2019, 06:53

12

9

3,571

by: ScottTargetTestPrep

22 Nov 2020, 21:01

ER

If t is a positive integer, can (t+2)(t-3) be completely divided by 6?

805+ (Hard) | Multiples and Factors, Remainders

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

siddharthkapoor

13 Oct 2019, 22:16

23

4

3,571

by: bumpbot

23 Aug 2023, 10:49

ER

If a/b > 4, is a > 8?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

wastedyouth

03 Dec 2013, 01:56

3

4

3,571

by: bumpbot

28 Feb 2024, 06:20

ER

Is x < y < z ? (1) |x - 1| < y < z + 1 (2) |x + 1| < y < z - 1

655-705 (Hard) | Absolute Values, Inequalities

655-705 (Hard) | Absolute Values, Inequalities hide tags

Bunuel

25 Feb 2020, 01:54

30

4

3,571

by: bumpbot

10 Sep 2024, 23:13

ER

Is A*B even? (1) A + B = 7 (2) B is even

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

stonecold

07 Sep 2024, 09:54

15

3,571

by: bumpbot

11 Mar 2025, 18:47

ER

What is the value of x - y ? (1) 3x - z = 42 and y - z = 5 (2) x^2

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

10 Feb 2020, 05:09

2

3,572

by: Archit3110

10 Feb 2020, 10:55

ER

What is the ratio of the number of men to the number of women at the

Sub 505 (Easy) | Fractions and Ratios, Word Problems

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

Bunuel

17 Apr 2018, 05:46

4

3,574

by: bumpbot

23 May 2023, 19:45

ER

Is the product of j, k, l and m, or jklm, an odd number?

605-655 (Medium) | Algebra, Number Properties

605-655 (Medium) | Algebra, Number Properties hide tags

actleader

10 Nov 2012, 04:57

2

3,575

by: bumpbot

29 Mar 2017, 05:50

ER

A safari is held twice in a day either in the morning or in the evenin

805+ (Hard) | Fractions and Ratios, Overlapping Sets

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

Bunuel

10 Jul 2017, 04:28

23

5

3,575

by: Vanmotan

12 Feb 2019, 19:47

ER

Is positive integer x greater than 1000? (1) x is a positive multiple

505-555 (Easy) | Inequalities, Multiples and Factors

505-555 (Easy) | Inequalities, Multiples and Factors hide tags

Bunuel

15 Oct 2019, 23:04

3

3,575

by: bumpbot

07 Apr 2021, 08:06

ER

Is |v - x| < 8? (1) v and x are integers (2) |v| = 4 and |x| = 6

505-555 (Easy) | Absolute Values, Inequalities

505-555 (Easy) | Absolute Values, Inequalities hide tags

Bunuel

03 Mar 2020, 03:52

5

3

3,575

by: GMATWhizTeam

12 Apr 2022, 09:45

ER

In a convenience store in a certain year, the average (arithmetic mean

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

14 Mar 2018, 01:27

14

4

3,575

by: bumpbot

25 Aug 2025, 11:38

ER

Water is taken out of a cylindrical bucket by filling a cylindrical

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

robu

31 Mar 2016, 10:17

3

2

3,576

by: bumpbot

13 Jan 2021, 08:48

ER

If x and y are integers, is x > y?

705-805 (Hard) | Absolute Values, Inequalities

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

Bunuel

27 Jun 2017, 00:39

13

5

3,576

by: bumpbot

05 May 2023, 07:26

ER

Z = 231.abc What is the result when Z is rounded to the nearest integ

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

siddharthkapoor

11 Oct 2019, 11:19

14

7

3,576

by: JeffTargetTestPrep

30 Jul 2023, 16:44

On the x-y coordinate grid, does the line passing through point P (not

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Kritisood

14 Mar 2020, 10:53

20

5

3,578

by: bumpbot

07 Mar 2023, 19:29

ER

Is ABC a right triangle? AB = 5; AC = 4. (1) BC = 3 (2) AC = CD

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

05 Nov 2017, 02:02

8

6

3,579

by: bumpbot

01 Jan 2022, 07:05

ER

If p and q are non-zero integers such that |p| + |q| = 18. What is the

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

ShankSouljaBoi

26 Oct 2020, 14:47

10

4

3,579

by: bumpbot

27 Jul 2023, 01:09

ER

Is x an integer?

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

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

chetan2u

28 Jan 2017, 05:19

1

4

3,580

by: TheUltimateWinner

28 Jan 2017, 09:58

ER

A certain company sells only cars and trucks, and the average selling

655-705 (Hard) | Statistics and Sets Problems

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

BillyZ

21 Feb 2017, 18:23

8

3

3,581

by: bumpbot

05 Nov 2024, 16:18

ER

The revenue R, in dollars, that is generated by selling “x” units of a

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

29 Dec 2021, 03:00

7

3

3,581

by: bumpbot

30 Nov 2024, 23:07

ER

If x and y are distinct positive integers, is |x − y| a factor of 12?

805+ (Hard) | Absolute Values, Multiples and Factors

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

Bunuel

01 Oct 2018, 04:51

21

8

3,584

by: bumpbot

04 Aug 2023, 00:46

ER

If m is a positive integer, what is the remainder when 2^m is divided

605-655 (Medium) | Exponents, Remainders

605-655 (Medium) | Exponents, Remainders hide tags

Bunuel

24 Sep 2018, 06:07

6

3

3,584

by: bumpbot

28 Oct 2024, 20:44

ER

From 2000 to 2002, the number of asthmatic children in a certain city

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

27 May 2018, 10:56

7

3

3,584

by: bumpbot

31 Jul 2025, 07:40

ER

Is x > y? (1) x^2 < y (2) x^(1/2) >y

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

piyush26

04 Nov 2018, 21:27

32

4

3,585

by: TestPrepUnlimited

19 Jul 2021, 10:56

ER

In ΔABC above, what is the length of segment AB? (1) AC = √2 (2) AB

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

16 Feb 2022, 03:30

2

3

3,585

by: bumpbot

24 May 2024, 11:22

ER

Is x an integer ? (1) 2x/3 is an integer (2) x - 4 is an integer

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

23 May 2022, 11:44

6

3

3,586

by: bumpbot

13 Feb 2024, 03:04

-1

The crop yield Y for a farm, in bushels, based on h inches of annual r

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

MT1302

30 Aug 2024, 05:20

10

6

3,586

by: siddharth_

31 May 2025, 23:22

ER

What is the value of x?

655-705 (Hard) | Algebra +2 tags

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

rohankant12

04 Sep 2015, 10:01

11

17

3,587

by: Mo2men

07 Apr 2019, 12:33

ER

The number N is 6H12, the hundred's digit being represented by H. What

605-655 (Medium) | Multiples and Factors

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

Bunuel

16 Mar 2022, 01:30

11

3

3,587

by: bumpbot

18 Apr 2025, 06:16