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

79,145

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

188,770

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

488,361

by: bb

29 Aug 2025, 13:27

ER

If a < b < c < d and a, b, c, and d all are powers of 2 and all are po

705-805 (Hard) | Algebra, Exponents

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

Bunuel

24 Feb 2020, 03:45

10

4

3,102

by: Fdambro294

07 Aug 2022, 20:34

ER

If a < b , is a > 0 ?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

KanishkM

01 Jan 2019, 21:13

13

4

4,086

by: Strategix

02 Sep 2025, 05:14

ER

If a < 0, is b < 0 ? (1) b/a > 0 (2) a - b > 0

505-555 (Easy) | Fractions and Ratios, Inequalities

505-555 (Easy) | Fractions and Ratios, Inequalities hide tags

kritikalal

14 Jan 2018, 08:30

6

7

6,127

by: bumpbot

02 Jun 2023, 09:04

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If a < 0 and b < 0 , is (a - 2p)/(b - 2p) > a/b ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

03 Jun 2018, 11:10

30

6

14,205

by: bumpbot

03 Apr 2025, 07:07

ER

If a < 0 and ab ≠ 0, is b > 0?

655-705 (Hard) | Absolute Values +2 tags

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

chetan2u

07 Jun 2018, 05:17

12

4

2,396

by: skal1908

15 Jun 2018, 08:18

ER

If a < -1, is b between 0 and 1?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

23 Nov 2017, 06:33

9

5

3,707

by: bumpbot

24 Jan 2022, 10:57

ER

If a > b, is ab < b^2 ? (1) a < 0 (2) b < 0

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

02 Dec 2022, 03:03

4

3

1,427

by: divyadna

21 Dec 2022, 22:28

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If a > b, is (a + b) an integer?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

GMATBusters

08 Dec 2018, 10:04

5

1,933

by: GMATinsight

23 Mar 2020, 00:11

ER

If a > b, how much greater than b is a ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

AbdurRakib

27 Aug 2015, 11:46

3

5

7,353

by: reach2sangram

21 Jul 2019, 22:23

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If a > b > c > 0, is c < 3 ?

705-805 (Hard) | Algebra, Inequalities

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

yezz

12 Aug 2014, 03:52

98

15

12,269

by: bumpbot

21 Sep 2024, 23:01

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If a > b > 0, is b < 2? (1) 1/a > 1/2 (2) 1/a + 1/b = 1

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

26 Jan 2024, 02:30

5

4

1,759

by: N^2

12 Mar 2024, 16:20

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If A > B > 0, is A/B an integer? (1) Neither A nor B is an integer.

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

17 Oct 2020, 14:09

2

4

1,919

by: bumpbot

20 Feb 2023, 17:08

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If a > 2, is b < 1 ? (1) ab < 2 (2) ab > 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

05 May 2021, 02:30

1

1,206

by: MarmikUpadhyay

05 May 2021, 22:19

ER

If a > 0, what is the value of a^(1/2)?

Sub 505 (Easy) | Exponents

Sub 505 (Easy) | Exponents hide tags

Bunuel

21 Mar 2018, 05:02

1

5

2,232

by: bumpbot

29 May 2024, 07:34

If a > 0, what is the value a^xa^y ? (1) x = -y (2) a = -2 and x - y=6

Poor Quality

Poor Quality hide tags

AkshdeepS

10 Nov 2018, 06:27

2

1,031

by: gmatzpractice

20 Jun 2018, 13:56

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If a > 0, is t^a > w^a ? (1) t > w (2) t = 2w

805+ (Hard) | Exponents, Inequalities

805+ (Hard) | Exponents, Inequalities hide tags

Bunuel

20 Mar 2022, 02:52

15

2

2,101

by: bumpbot

05 Mar 2025, 01:59

ER

If a > 0, is a^(1/3) > a^(1/2) ?

555-605 (Medium) | Exponents, Inequalities

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

Bunuel

28 Apr 2023, 01:30

5

3

1,311

by: Bunuel

19 May 2023, 02:05

ER

If a > 0, is a > 1? (1) a*b > a + b (2) a/b > b/a

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

TheUltimateWinner

17 Mar 2019, 08:43

1

1,273

by: IanStewart

17 Mar 2019, 12:20

ER

If a > 0, is 2/(a+b) + 2/(a-b) = 1?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

ahatoval

29 Apr 2013, 00:14

16

17

10,339

by: bumpbot

29 Sep 2021, 08:01

ER

If a > 0, b > 0, and 2c = (a/b)^(1/2), what is the value of b?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

13 Dec 2015, 05:22

5

5,166

by: bumpbot

29 Dec 2020, 05:31

ER

If a > 0, b > 0 and c > 0, is a(b - c) = 0?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

tejal777

16 Oct 2019, 05:52

63

13

27,925

by: bumpbot

19 Oct 2024, 09:19

ER

If a > 0 and b > 0, is a/b > b/a ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

21 Aug 2016, 04:13

12

8

12,281

by: ScottTargetTestPrep

06 Oct 2020, 03:47

ER

If a > 0 and b > 0, is 1/(a + b) < 1? (1) a/b = 2 (2) a + b > 1

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

01 Nov 2018, 00:24

2

1,718

by: bumpbot

10 Feb 2024, 18:12

ER

If a > 0 and |a| |b|, is 2/(a+b) + 2/(a-b) = 1 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

30 Mar 2022, 06:00

3

1

1,720

by: stne

12 Apr 2022, 07:55

ER

If a & b are positive integers, , is a/b a terminating decimal number?

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

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

push12345

07 Nov 2018, 01:18

13

9

7,010

by: bumpbot

16 Aug 2022, 10:41

ER

If a / b > 2, is 3a + 2b < 18?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

EBITDA

31 Jul 2016, 10:48

5

6

2,589

by: Bunuel

01 Aug 2016, 02:00

ER

If A ,B , and C are points on the plane, is AB < 10 ?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

dungtd

04 Aug 2010, 20:35

3

8

4,338

by: bumpbot

22 Dec 2021, 17:19

ER

If a – b = c, what is the value of b ? (1) c + 6 = a (2) a = 6

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

07 Jan 2022, 02:30

2

1

2,873

by: ElninoEffect

07 Jan 2022, 05:04

If a – b = 2, is x an integer? (1) x = 3a (2) b is an integer

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Noshad

18 Jun 2019, 06:45

4

2

1,175

by: Staphyk

18 Jun 2019, 07:04

ER

If 90/k is an integer, is k an integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

enigma123

18 Jun 2015, 01:32

11

13

5,440

by: bumpbot

13 Oct 2021, 18:01

ER

If 90 students auditioned for the school musical, how many

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

26 Aug 2012, 03:16

33

8

20,144

by: totaltestprepNick

03 Mar 2026, 13:12

ER

If 90 < x < 100, is the units' digit of x equal to 9 ?

555-605 (Medium) | Arithmetic +2 tags

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

AbdurRakib

06 Jun 2016, 11:13

2

3

3,964

by: Bunuel

04 Jan 2024, 09:06

ER

If 9 models participated in a certain fashion show featuring coats, ho

Sub 505 (Easy) | Algebra, Word Problems

Sub 505 (Easy) | Algebra, Word Problems hide tags

GMATBusters

31 Oct 2018, 21:59

2

3

4,116

by: ScottTargetTestPrep

15 Dec 2019, 19:39

ER

If 8xy^3 + 8x^3*y=2x^2*y^2/2^-3, what is the value of x?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

dvinoth86

21 May 2018, 00:30

113

19

26,746

by: bumpbot

19 Mar 2024, 23:59

ER

If 8x + 7y = 30, what is the value of x?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

26 Nov 2019, 10:34

2

5

1,942

by: chetan2u

26 Nov 2019, 19:38

ER

If 8x > 4 + 6x, what is the value of the integer x? (1) 6

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

heyholetsgo

22 Apr 2023, 01:23

50

15

22,916

by: bumpbot

17 Dec 2024, 06:26

ER

If 8x > 3x + 4x, what is the value of the integer x?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

06 Apr 2022, 06:30

8

3

3,319

by: bumpbot

24 Dec 2023, 14:12

ER

If 80% employees of a company play soccer, what percent of the employe

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

14 May 2020, 08:10

8

6

3,354

by: bumpbot

21 May 2025, 05:07

ER

If 8^0.5y 3^0.75x = 12^n then what is the value of x?? 1) n

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Poor Quality hide tags

surendar26

20 Dec 2010, 10:14

25

8

8,018

by: brs1cob

27 Sep 2015, 08:52

ER

If 8 skiers raced down a course multiple times in one day, and each

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

28 Jul 2016, 05:17

2

5

3,300

by: bumpbot

05 Apr 2023, 01:51

ER

If 8 < k < 8, is k < 2 ?

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Poor Quality hide tags

paam0101

12 Jul 2010, 14:33

4

4,334

by: vannbj

15 Jul 2010, 12:24

ER

If 8 < k < 8, is k < 2 ?

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Poor Quality hide tags

rxs0005

21 Dec 2010, 16:33

3

4

3,759

by: tirupatibalaji

24 Dec 2010, 06:56

If 7x(2n) = t and x and n are integers, what is the value of t ?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Carcass

08 Sep 2022, 00:38

3

2

966

by: tukaisg

11 Sep 2022, 22:38

ER

If 75 percent of the guests at a certain banquet ordered dessert, what

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

1, 2

Bunuel

14 Aug 2024, 08:50

411

28

69,112

by: Gambrosio

14 Jul 2025, 05:05

ER

If 72 cupcakes must be divided equally among the students in a certain

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

21 Jan 2020, 04:23

9

3

4,229

by: bumpbot

02 Mar 2025, 11:06

ER

If 6xy = x^2y + 9y, what is the value of xy?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

MisterEko

16 Jul 2015, 01:55

91

15

27,908

by: bumpbot

06 Jan 2024, 03:18

ER

If 6xy = x^2*y + 9y, what is the value of xy?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

ArvGMAT

06 Jul 2014, 11:09

249

18

45,694

by: ExpertsGlobal5

03 Dec 2025, 22:28

ER

If 6a + b = 48, what is the value of b?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

04 Jul 2022, 16:00

2

3

1,171

by: MBAHOUSE

04 Jul 2022, 21:28

ER

If 60 percent of the employees at company X are female, does

555-605 (Medium) | Overlapping Sets +2 tags

555-605 (Medium) | Overlapping Sets, Percent and Interest Problems, Word Problems hide tags

TheRob

20 Oct 2009, 13:02

79

13

32,621

by: bumpbot

01 Apr 2026, 11:40

ER

If 60 people attend a party, how many of these people drink coffee?

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

Bunuel

22 Jan 2026, 05:45

1

300

by: shivani1351

23 Jan 2026, 00:29