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

78,718

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

856

24

188,529

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

487,940

by: bb

29 Aug 2025, 13:27

ER

If 4t/3x = 2/3y + 2/5y and xy is not equal to 0, is t equal to 1?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

04 Apr 2016, 07:13

9

7

6,281

by: bumpbot

22 May 2022, 15:26

ER

If 4x + 2y = 24, what is the value of x ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

07 Apr 2020, 07:20

1

1,071

by: preetamsaha

07 Apr 2020, 07:59

ER

If 4x = 5y = 10z, what is the value of x + y + z ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

SimaQ

05 Apr 2015, 04:44

55

11

20,525

by: bumpbot

25 Mar 2025, 18:57

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If 4x/7y = 1, then what is the value of 3x + 5y ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

31 Oct 2017, 23:02

4

5

3,697

by: BelalHossain046

27 Mar 2019, 10:54

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If 5 - 5 < x < 5 + 5, x = ?

555-605 (Medium) | Inequalities, Number Properties

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

Bunuel

02 Jan 2023, 02:30

2

1,211

by: mysterymanrog

02 Jan 2023, 03:34

ER

If 5 different positive integers have 3 as its median, is the average

655-705 (Hard) | Statistics and Sets Problems

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

MathRevolution

01 Dec 2016, 02:03

7

5

3,091

by: bumpbot

22 Nov 2025, 07:12

ER

If 5 percent of the personnel stationed at army base M are officers

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

13 May 2024, 01:30

2

1,313

by: unraveled

13 May 2024, 08:36

ER

If 5^m = 25^n, what is m?

505-555 (Easy) | Algebra, Exponents

505-555 (Easy) | Algebra, Exponents hide tags

Bunuel

03 Sep 2017, 06:19

2

1,729

by: Madhavi1990

06 Sep 2017, 13:18

ER

If 5^x = y, what is x?

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

Bunuel

04 Nov 2014, 10:03

21

8

9,212

by: Bunuel

27 Aug 2024, 23:45

ER

If 5/y = x/4, is y > x? (1) y 5 (2) y 7

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

04 Aug 2023, 01:30

3

1

1,112

by: AryaSwagat

09 Aug 2023, 06:22

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If 50 - 7 < x < 50 + 7, then what is the value of x?

555-605 (Medium) | Inequalities, Number Properties

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

Bunuel

25 Sep 2023, 08:15

2

987

by: IshanSaini

25 Sep 2023, 11:36

ER

If 50 mL of an x% alcohol solution is mixed with 30 mL of a y% alcohol

655-705 (Hard) | Algebra, Mixture Problems

655-705 (Hard) | Algebra, Mixture Problems hide tags

Bunuel

26 Nov 2019, 02:03

13

4

4,354

by: bumpbot

20 Apr 2026, 05:15

ER

If 50 people paid a total of $110 for tickets to attend a certain high

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

guddo

24 Jan 2024, 04:15

34

3

8,580

by: keshubhturakhia

26 Apr 2026, 04:50

ER

If 50^r/m^r = 2^r*r^r, what is r?

655-705 (Hard) | Algebra, Exponents

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

Bunuel

25 Sep 2017, 00:00

5

2

1,967

by: bumpbot

11 Jan 2022, 04:54

ER

If 50,000 < x < 60,000 and x is an integer, what is x?

555-605 (Medium) | Fractions and Ratios, Multiples and Factors

555-605 (Medium) | Fractions and Ratios, Multiples and Factors hide tags

Bunuel

28 Jan 2015, 08:01

17

8

6,414

by: vidyasagar151

07 Jul 2021, 22:56

ER

If 500 is the multiple of 100 that is closest to x and 400 is the mult

655-705 (Hard) | Fractions and Ratios, Multiples and Factors

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

gmatbull

19 Aug 2010, 02:57

212

15

39,743

by: bumpbot

28 Oct 2025, 23:09

ER

If 53 students are enrolled in both the cooking class and the painting

505-555 (Easy) | Statistics and Sets Problems

505-555 (Easy) | Statistics and Sets Problems hide tags

Bunuel

02 Feb 2016, 16:21

9

6

7,138

by: bhavyagmat

04 Nov 2025, 08:47

ER

If 5a > 6b, is a greater than zero?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

Bunuel

29 Apr 2016, 03:51

18

6

5,352

by: bumpbot

29 Dec 2023, 06:51

ER

If 5a = 9b = 15c, what is the value of a + b + c?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

jabronyo

13 Jul 2013, 23:06

90

13

21,907

by: bumpbot

06 Jul 2025, 21:32

ER

If 5a.b is a decimal with 5, a, and b as the tens, ones, and tenths

655-705 (Hard) | Fractions and Ratios, Number Properties

655-705 (Hard) | Fractions and Ratios, Number Properties hide tags

Bunuel

28 Apr 2016, 01:18

18

6

4,757

by: bumpbot

17 Nov 2023, 19:28

ER

If 5b = 20, what is the value of a^2 + 2b? (1) a2 + b = 28 (2) 2a^2 =

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

28 Jul 2021, 08:00

1

1,237

by: Showmeyaa

28 Jul 2021, 08:12

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If 5w + 3v = 13, what is the value of vw ? (1) w > 0 (2) w/v = 2

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

13 Sep 2020, 03:00

2

3

3,011

by: Bunuel

13 Sep 2020, 03:42

ER

If 5x + 10y = 65, what is the value of x? (1) x + y = 8 (2) x is an

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

02 May 2019, 06:33

2

4

2,466

by: bumpbot

19 Apr 2022, 08:50

ER

If 5x + 3y – 4 = 3x + y, what is x ? (1) y^2 = 1 (2) x + y = 2

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

30 Oct 2019, 23:22

1

1,252

by: rocky620

30 Oct 2019, 23:38

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If 5x + 3y = 17, what is the value of x? (1) x is a positive integer

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

23 Sep 2018, 05:17

17

7

13,378

by: bumpbot

25 Sep 2025, 21:30

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

18,312

by: mrd1761

04 Jul 2023, 09:19

ER

If 6 < X < 7, is the tenths digit of the decimal representation of X

555-605 (Medium) | Fractions and Ratios

555-605 (Medium) | Fractions and Ratios hide tags

Bunuel

30 Apr 2018, 08:07

2

1

1,896

by: Kurtosis

30 Apr 2018, 19:33

ER

If 6 is a factor of a and 21 is a factor of b, is ab a multiple of 70?

555-605 (Medium) | Multiples and Factors

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

Bunuel

01 May 2019, 03:36

2

1,707

by: LevanKhukhunashvili

01 May 2019, 04:04

ER

If 6 positive integers have a sum less than 10, what is the value of

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

Bunuel

09 Jan 2018, 23:38

3

2,163

by: chetan2u

11 Jan 2018, 08:24

ER

If 6 positive integers have a sum less than 8, what is the value of th

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

30 Oct 2019, 23:20

1

1,577

by: Archit3110

31 Oct 2019, 01:56

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

287

by: shivani1351

23 Jan 2026, 00:29

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

32,585

by: bumpbot

01 Apr 2026, 11:40

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

1,157

by: MBAHOUSE

04 Jul 2022, 21:28

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

45,655

by: ExpertsGlobal5

03 Dec 2025, 22:28

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

27,887

by: bumpbot

06 Jan 2024, 03:18

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

4,218

by: bumpbot

02 Mar 2025, 11:06

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

69,035

by: Gambrosio

14 Jul 2025, 05:05

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

961

by: tukaisg

11 Sep 2022, 22:38

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

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Poor Quality hide tags

rxs0005

21 Dec 2010, 16:33

3

4

3,749

by: tirupatibalaji

24 Dec 2010, 06:56

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

Poor Quality

Poor Quality hide tags

paam0101

12 Jul 2010, 14:33

4

4,321

by: vannbj

15 Jul 2010, 12:24

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

3,292

by: bumpbot

05 Apr 2023, 01:51

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

8,000

by: brs1cob

27 Sep 2015, 08:52

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

3,345

by: bumpbot

21 May 2025, 05:07

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

3,299

by: bumpbot

24 Dec 2023, 14:12

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

22,897

by: bumpbot

17 Dec 2024, 06:26

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

1,936

by: chetan2u

26 Nov 2019, 19:38

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

26,711

by: bumpbot

19 Mar 2024, 23:59

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

4,107

by: ScottTargetTestPrep

15 Dec 2019, 19:39

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

3,951

by: Bunuel

04 Jan 2024, 09:06

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

20,114

by: totaltestprepNick

03 Mar 2026, 13:12