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

176

15

78,657

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

188,479

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

487,873

by: bb

29 Aug 2025, 13:27

ER

If w, x and y are integers such that w < x < y, are w, x and

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

guerrero25

12 Nov 2013, 14:05

18

4

8,506

by: bumpbot

11 May 2023, 21:37

ER

Is 0< a/b < 1?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

jenl2881

13 Nov 2013, 16:17

17

8

7,811

by: bumpbot

12 Jul 2023, 11:05

ER

If y ≠ 0, is 10/y > 5?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

aakrity

15 Nov 2013, 02:39

11

4

4,321

by: bumpbot

27 Oct 2023, 05:08

ER

Is xyz > 0 ? (1) xy + yz > 0 (2) xz > 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

avohden

16 Nov 2013, 00:51

4

5,277

by: bumpbot

03 Apr 2019, 05:55

ER

Is 2/x + 2/y = 30?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

vaishnogmat

17 Nov 2013, 23:25

7

15

4,907

by: bumpbot

14 Nov 2023, 14:51

ER

Is x < y ? (1) 1/x < 1/y (2) x/y < 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

vishalrastogi

05 Nov 2020, 06:39

35

8

6,305

by: rak08

22 May 2025, 03:56

ER

What is the value of x - y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

registerincog

18 Nov 2013, 07:25

28

5

9,645

by: bumpbot

12 Aug 2025, 05:37

ER

When positive integer x is divided by 7 the quotient is q and the rema

705-805 (Hard) | Multiples and Factors

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

registerincog

18 Nov 2013, 08:55

40

10

16,143

by: Bunuel

09 Sep 2024, 00:15

ER

From a group of 10 people, a committee of four people is to

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

registerincog

20 Nov 2013, 03:12

78

7

15,928

by: bumpbot

06 Apr 2025, 08:04

ER

In the xy plane, line x goes through the point (a,1) and lin

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

BabySmurf

04 Jan 2023, 05:31

101

10

13,746

by: Bunuel

23 Sep 2025, 08:33

Two trains 1& 2 start simultaneously and run on parallel

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

innocous

23 Nov 2013, 04:57

15

3

5,712

by: sharathnair14

01 Oct 2019, 07:39

ER

If b is an even integer is b < 0?

705-805 (Hard) | Algebra, Inequalities

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

audiogal101

23 Nov 2013, 11:31

5

7

3,133

by: bumpbot

01 Aug 2017, 07:59

ER

Right triangle ABO is drawn in the xy-plane, with OB as hypo

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

1, 2

mau5

24 Nov 2013, 09:09

125

23

18,419

by: KarishmaB

28 Nov 2023, 23:24

ER

Today, Samson’s Train traveled at a constant rate along a st

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

SleeB

24 Nov 2013, 15:51

26

10

7,823

by: bumpbot

11 Mar 2026, 05:45

ER

If x is greater than 7, is y less than x?

605-655 (Medium) | Inequalities, Number Properties

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

audiogal101

26 Nov 2013, 02:10

2

3

3,443

by: bumpbot

11 Oct 2016, 23:42

ER

If the original price of an item in a retail store is marked

805+ (Hard) | Percent and Interest Problems

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

singhmaharaj

26 Nov 2013, 07:12

80

9

16,719

by: bumpbot

04 Jul 2025, 15:29

ER

What is x? (1) x = 4y - 4 (2) xy = 8

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

aquax

25 Jan 2022, 04:06

13

9

10,506

by: bumpbot

08 Sep 2023, 23:55

ER

If x = u^2 - v^2, y = 2uv and z = u^2 + v^2, and if x = 11,

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

1, 2

vogelleblanc

28 Nov 2013, 05:40

885

36

131,665

by: Bunuel

31 Oct 2025, 00:01

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

17,466

by: bumpbot

27 Jan 2026, 04:16

ER

What is the value of x?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

audiogal101

29 Nov 2013, 04:06

3

5

2,915

by: bumpbot

28 Oct 2020, 09:07

ER

If 2 < x < 4, what is the median of the numbers 0, 5, x, 1,

555-605 (Medium) | Algebra, Statistics and Sets Problems

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

1, 2

bgribble

30 Nov 2013, 11:54

170

23

49,990

by: bumpbot

06 Jul 2025, 10:58

ER

If a and b are consecutive positive integers, and ab = 30x

705-805 (Hard) | Multiples and Factors

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

Maxirosario2012

30 Nov 2013, 19:37

63

7

9,029

by: bumpbot

23 Mar 2025, 07:46

ER

Is √(56x) an integer?

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

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

honchos

01 Dec 2013, 17:36

10

4

6,284

by: bumpbot

15 Jul 2025, 13:18

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

3,557

by: bumpbot

28 Feb 2024, 06:20

ER

Is the product st negative?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

gmat6nplus1

03 Dec 2013, 03:33

46

14

10,983

by: bumpbot

21 Aug 2025, 16:10

If x and y are positive integers,what is the value of x + y?

505-555 (Easy) | Exponents

505-555 (Easy) | Exponents hide tags

A4G

03 Dec 2013, 17:09

38

3

30,463

by: bumpbot

02 Jul 2023, 12:11

ER

What is the value of h ? (1) h^2 = 36 (2) h^2 + 12h = -36

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

A4G

17 Jul 2019, 23:52

43

13

29,612

by: bumpbot

11 Jan 2023, 07:18

ER

If 5x = y +7, is (x y) > 0?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

smartyman

04 Dec 2013, 17:23

113

19

18,311

by: mrd1761

04 Jul 2023, 09:19

ER

Are at least 10% of the employees at ABC Corporation who are

655-705 (Hard) | Statistics and Sets Problems

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

tusharGupta1

06 Dec 2013, 09:16

6

6,158

by: bumpbot

16 Dec 2021, 12:52

ER

If wxy ≠ 0, does x = y ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

gmatgambler

08 Dec 2013, 06:40

62

11

10,442

by: bumpbot

02 Jan 2024, 04:53

ER

Every attendee at a monster truck rally paid the same direct

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Qoofi

09 Dec 2013, 00:19

30

19

10,098

by: bumpbot

17 Oct 2024, 13:13

ER

If N is a positive three-digit number that is greater than 2

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

xhimi

09 Dec 2013, 04:54

154

14

22,406

by: bumpbot

17 Jul 2025, 21:45

ER

Eighteen tokens, each of which is either a subway token

805+ (Hard) | Fractions and Ratios

805+ (Hard) | Fractions and Ratios hide tags

wastedyouth

09 Dec 2013, 11:20

30

5

5,570

by: bumpbot

03 Jan 2026, 05:18

ER

What is the volume of a certain cube?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Vidhi1

10 Dec 2013, 14:12

22

10

14,855

by: bumpbot

24 Jan 2026, 23:01

ER

Of the birds in a particular aviary, 30 are both spotted and

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

xhimi

11 Dec 2013, 03:47

25

8

18,578

by: bumpbot

23 Sep 2024, 10:19

ER

If x ≠ y, what is the value of x + y?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

flower07

13 Dec 2013, 06:49

6

2

2,820

by: bumpbot

28 Jun 2024, 15:02

ER

What is y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

flower07

13 Dec 2013, 16:31

9

6

4,336

by: bumpbot

20 Jan 2022, 06:13

ER

What is the remainder when the two-digit, positive integer x is divide

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

nechets

14 Dec 2013, 06:14

232

18

51,757

by: bumpbot

27 May 2025, 11:41

ER

The cost of a certain phone call was $0.75 for the first 3 minutes and

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

megafan

17 Dec 2013, 17:06

113

11

27,088

by: egmat

24 Sep 2025, 01:00

ER

If n is an non-negative integer is 10^n+8 divisible by 18?

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

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

PUNEETSCHDV

07 May 2023, 05:11

27

3

8,297

by: bumpbot

24 Jan 2023, 08:15

ER

Peter went to the store to buy paint. Small cans cost $30 and larger

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

mikemcgarry

19 Dec 2013, 11:03

14

8

10,115

by: bumpbot

18 Jun 2025, 11:26

ER

If a, b, c, and d are all positive integers, is c divisible by a/d?

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

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

mniyer

22 Dec 2013, 11:02

22

11

4,707

by: bumpbot

24 Oct 2024, 20:47

ER

Alice, Barbara, and Cynia work on identical tasks at differe

655-705 (Hard) | Work and Rate Problems

655-705 (Hard) | Work and Rate Problems hide tags

idinuv

23 Dec 2013, 08:01

46

8

14,561

by: bumpbot

25 Jan 2025, 19:38

ER

A nonprofit group organizes its local fundraisers in teams,

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

madhavsrinivas

23 Dec 2013, 11:06

159

14

23,328

by: shubs80

07 Dec 2024, 02:55

ER

Occupancy rate is defined as the number of units occupied,

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

madhavsrinivas

24 Dec 2013, 02:22

69

11

14,735

by: bumpbot

29 Nov 2024, 05:55

ER

Yesterday, an automobile dealership sold exactly 15 vehicles

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

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

madhavsrinivas

24 Dec 2013, 02:12

173

15

24,693

by: bumpbot

06 Apr 2026, 06:11

ER

What is the average (arithmetic mean) of x and y?

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

Bunuel

24 Dec 2013, 03:42

27

5

43,828

by: totaltestprepNick

04 Mar 2026, 10:50

ER

What is the value of r/2 + s/2 ? (1) (r + s)/2 = 5 (2) r + s = 10

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

24 Dec 2013, 03:45

10

5

21,421

by: totaltestprepNick

28 Feb 2026, 09:12

ER

If n is an integer, then n is divisible by how many positive integers?

505-555 (Easy) | Multiples and Factors, Number Properties

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

Bunuel

24 Dec 2013, 03:48

121

15

36,285

by: Bunuel

10 Oct 2025, 00:46

ER

If l and w represent the length and width, respectively, of

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

24 Dec 2013, 03:52

8

7

17,571

by: bumpbot

28 Apr 2023, 23:57