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

78,715

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

188,524

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

487,939

by: bb

29 Aug 2025, 13:27

ER

Is 3^(a^2/b) < 1? (1) a < 0 (2) b < 0

805+ (Hard) | Exponents, Inequalities

805+ (Hard) | Exponents, Inequalities hide tags

shivanigs

21 Jun 2012, 01:59

64

7

16,909

by: bumpbot

10 Dec 2023, 05:48

ER

Is the average of n consecutive integers equal to 1 ?

805+ (Hard) | Number Properties, Statistics and Sets Problems

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

enigma123

05 Nov 2013, 03:19

64

12

13,916

by: bumpbot

06 May 2024, 11:59

ER

What is the greatest common divisor of positive integers m

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

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

eybrj2

29 Mar 2012, 00:38

64

6

19,431

by: bumpbot

01 Oct 2024, 03:25

ER

What is the highest power of 3 in the value of X! ?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

05 Jul 2019, 08:00

64

11

10,000

by: bumpbot

17 Oct 2024, 10:58

ER

Is mn<10?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Srav

11 Oct 2015, 00:23

64

12

13,838

by: bumpbot

29 Oct 2024, 23:17

ER

If x and y are positive integers, is x/y < (x+5)/(y+5)?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

02 Mar 2015, 08:21

64

11

21,062

by: bumpbot

03 Jan 2025, 03:31

ER

If x is an integer, can the number (5/28)(3.02)(90%)(x) be

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Marcab

02 Nov 2012, 23:42

64

15

16,248

by: bumpbot

08 Jan 2025, 13:07

ER

How many different prime factors does positive integer n have?

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

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

1, 2

Bunuel

14 May 2015, 05:25

64

22

16,283

by: bumpbot

13 Jan 2025, 12:36

ER

A certain bank has ten branches. What is the total amount of assets un

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

27 Jan 2020, 01:08

64

15

14,819

by: ManifestDreamMBA

06 Feb 2025, 09:02

ER

In how many ways can a coach select a 4-person university team from a

505-555 (Easy) | Combinations +2 tags

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

1, 2

pate13

24 Aug 2015, 17:49

64

22

15,873

by: bumpbot

18 Apr 2025, 05:16

ER

If m is an integer greater than 1, is m an even integer?

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Carcass

26 Jul 2017, 09:01

64

10

20,248

by: bumpbot

22 Jun 2025, 06:42

ER

Of the 4,800 voters who voted for or against Resolution K

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

seofah

15 Jan 2012, 13:44

64

9

25,977

by: bumpbot

12 Jul 2025, 17:45

ER

w, x, y and z are positive integers. When w is divided by x, the quoti

805+ (Hard) | Multiples and Factors, Remainders

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

BrentGMATPrepNow

13 May 2018, 06:47

64

7

8,369

by: bumpbot

17 Jul 2025, 03:54

ER

12 Days of Christmas GMAT Competition - Day 10: A certain electronics

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

1, 2, 3

Bunuel

27 Dec 2024, 09:00

64

51

4,669

by: finisher009

21 Jul 2025, 02:03

ER

Was the average (arithmetic mean) sale price of a new home in region R

605-655 (Medium) | Statistics and Sets Problems

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

Carcass

09 Jun 2023, 11:33

64

12

11,750

by: Ayushi2000

22 Jul 2025, 14:41

ER

Four book lovers have recently met and are not sure of the topics that

605-655 (Medium) | Non-Math Related, Word Problems

605-655 (Medium) | Non-Math Related, Word Problems hide tags

GMATCoachBen

06 Feb 2024, 19:07

64

8

11,370

by: thisisakr

26 Sep 2025, 02:32

ER

What is the circumference of circle C ? (1) The radius of circle C is

Sub 505 (Easy) | Coordinate Plane, Geometry

Sub 505 (Easy) | Coordinate Plane, Geometry hide tags

Bunuel

22 Jun 2018, 01:49

64

15

22,718

by: bumpbot

11 Oct 2025, 01:03

ER

Is d negative? (1) e + d = -12 (2) e – d < -12

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

jumli

10 Apr 2014, 07:10

64

14

17,830

by: bumpbot

14 Oct 2025, 09:02

ER

In a demographic study, the population and total income of a

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

puma

17 May 2008, 02:55

64

14

25,420

by: bumpbot

14 Oct 2025, 23:57

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

8,921

by: bumpbot

01 Nov 2025, 11:37

ER

The median length of the 13 logs in shipment x was 84 inches, and the

505-555 (Easy) | Statistics and Sets Problems

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

thinktank

01 Apr 2013, 07:43

64

5

15,905

by: bumpbot

14 Dec 2025, 01:23

ER

For a set X containing n integers, is the mean even? (1) n

655-705 (Hard) | Statistics and Sets Problems

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

kannn

09 Mar 2011, 10:15

64

12

16,871

by: bumpbot

01 Jan 2026, 06:57

ER

In what year was Ellen born?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

vix

17 Mar 2012, 18:51

64

5

17,525

by: bumpbot

06 Jan 2026, 09:07

ER

A $10 bill (1,000 cents) was replaced with 50 coins having the same to

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

gmatt1476

21 Sep 2019, 16:16

64

7

17,418

by: bumpbot

12 Jan 2026, 13:12

ER

If k is a positive constant and y = |x - k| - |x + k|, what

Poor Quality

Poor Quality hide tags

12bhang

27 Feb 2014, 06:03

65

11

23,164

by: MathRevolution

21 Nov 2015, 10:25

ER

If n^2/n yields an integer greater than 0, is n divisible by

555-605 (Medium) | Multiples and Factors

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

enigma123

07 Mar 2024, 01:23

65

7

18,664

by: bumpbot

17 Feb 2023, 12:31

ER

Whether x>y>z?

655-705 (Hard) | Absolute Values, Inequalities

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

1, 2

xyztroy

12 Apr 2010, 14:21

65

20

13,400

by: bumpbot

21 Nov 2023, 00:29

ER

In the xy-plane, the line with equation ax + by + c = 0, where abc ≠ 0

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

alltimeacheiver

11 Feb 2011, 03:22

65

4

21,934

by: bumpbot

15 Jun 2024, 11:52

ER

Any decimal that has only a finite number of nonzero digits

555-605 (Medium) | Fractions and Ratios, Number Properties

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

1, 2

vscid

17 Feb 2010, 16:58

65

21

20,956

by: bumpbot

27 Sep 2024, 01:54

ER

Is |x| = |y| ? (1) x - y = 6 (2) x + y = 0

505-555 (Easy) | Absolute Values, Algebra

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

catennacio

11 Dec 2018, 23:28

65

16

22,436

by: bumpbot

31 Dec 2024, 23:45

ER

A three digit number A with hundreds digit a, tens digit b and units

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

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

failatmath

27 May 2018, 05:31

65

8

15,399

by: bumpbot

05 Jan 2025, 15:03

ER

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

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

MichelleSavina

23 Jan 2011, 03:13

65

16

24,264

by: bumpbot

07 Mar 2025, 16:03

ER

A certain cake has two layers with pieces of fruit on top of each

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

lazarogb

20 Nov 2023, 09:23

65

14

18,395

by: bumpbot

04 Apr 2025, 16:56

ER

Both Betty and Wilma earn annual salaries of more than $50,000.

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

enigma123

20 Nov 2023, 08:17

65

11

18,797

by: bumpbot

31 May 2025, 09:50

ER

HOT Competition 3 Sep/8AM: Two cyclists start moving simultaneously fr

805+ (Hard) | Distance and Speed Problems

805+ (Hard) | Distance and Speed Problems hide tags

Bunuel

03 Sep 2020, 08:00

65

8

9,353

by: bumpbot

13 Jun 2025, 13:06

ER

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

805+ (Hard) | Remainders

805+ (Hard) | Remainders hide tags

BrentGMATPrepNow

27 Mar 2017, 10:14

65

14

11,015

by: bumpbot

17 Jul 2025, 05:09

ER

Lee has three separate savings accounts. What is the total amount of

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

guddo

24 Jan 2024, 01:33

65

8

9,854

by: monarchme

18 Jul 2025, 01:19

ER

At a certain university recreation center, a member can receive a 30-m

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

gmatt1476

21 Sep 2019, 16:20

65

10

15,485

by: Aboyhasnoname

12 Aug 2025, 09:07

ER

If both x and y are nonzero numbers, what is the value of y/x?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

09 Jan 2014, 06:52

65

17

27,487

by: bumpbot

18 Sep 2025, 02:06

ER

Maria can either buy a basket that contains p pounds of apples for $16

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

fozzzy

20 Nov 2023, 07:20

65

8

17,645

by: egmat

24 Sep 2025, 01:12

ER

Four workers from an international charity were selling shirts at a lo

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

aadikamagic

04 Oct 2014, 01:19

65

13

14,170

by: bumpbot

24 Sep 2025, 09:20

ER

A line of people waiting to enter a theater consists of 7

555-605 (Medium) | Number Properties, Word Problems

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

Jamesk486

20 Sep 2025, 01:28

65

10

19,698

by: joshuaa77

08 Nov 2025, 11:08

ER

In each of the last five years, Company K donated p percent of its

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

Bunuel

16 Jun 2016, 03:49

65

12

27,808

by: bumpbot

05 Jan 2026, 09:30

ER

Three machines, K, M, and P, working simultaneously and

505-555 (Easy) | Work and Rate Problems

505-555 (Easy) | Work and Rate Problems hide tags

Walkabout

03 Dec 2012, 03:40

65

10

23,972

by: totaltestprepNick

03 Mar 2026, 09:37

ER

A garden store purchased a number of shovels and a number of rakes. If

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

blog

05 Jun 2019, 02:47

65

12

34,715

by: Shivam2027

04 Mar 2026, 09:23

ER

A person mixed three varieties of tea priced at $120 per pound, $135

705-805 (Hard) | Fractions and Ratios, Mixture Problems

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

Bunuel

03 Jul 2017, 12:05

65

10

8,877

by: bumpbot

09 Mar 2026, 02:30

ER

If the closing price of stock X on the first trading day last year

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

nick13

01 Nov 2023, 15:20

65

10

11,827

by: Bunuel

13 Apr 2026, 04:43

ER

At a certain banquet, meals were served in only 2 locations. In the

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

guddo

24 Jan 2024, 03:53

65

9

10,187

by: bumpbot

18 Apr 2026, 13:44

ER

Yesterday it rained in Baronia. Did it rain in Dukia?

655-705 (Hard) | Non-Math Related

655-705 (Hard) | Non-Math Related hide tags

Bunuel

21 May 2016, 03:47

65

7

15,398

by: Bunuel

23 Apr 2026, 11:01

ER

The symbol represents which one of the following operations: additio

555-605 (Medium) | Functions and Custom Characters

555-605 (Medium) | Functions and Custom Characters hide tags

Bunuel

02 Aug 2018, 23:49

66

11

19,912

by: bumpbot

16 May 2023, 07:17