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

178

15

79,018

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

188,698

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

488,220

by: bb

29 Aug 2025, 13:27

ER

An investment has been growing at a fixed annual rate of 20% since it

705-805 (Hard) | Percent and Interest Problems

705-805 (Hard) | Percent and Interest Problems hide tags

1, 2

gmatt1476

21 Sep 2019, 15:52

270

22

28,491

by: bumpbot

23 Nov 2025, 06:45

ER

Is pq = 1? (1) pqp = p (2) qpq = q

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

DFG5150

01 Oct 2013, 03:21

77

16

28,481

by: Bunuel

29 Apr 2025, 10:07

ER

If p, q, x, y and z are different positive integers, which of the five

Sub 505 (Easy) | Statistics and Sets Problems

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

Bunuel

13 Jan 2014, 01:56

32

5

28,470

by: bumpbot

28 Jun 2024, 08:10

ER

A certain company divides its total advertising budget into

505-555 (Easy) | Fractions and Ratios

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

combres

17 Sep 2007, 07:26

45

8

28,459

by: bumpbot

04 Feb 2025, 19:32

ER

What is the area of the trapezoid shown?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

PathFinder007

01 Aug 2014, 08:54

85

12

28,450

by: goaltop30mba

03 Jan 2021, 19:32

ER

In the figure, ABC is an equilateral triangle, and DAB is a right

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

anilnandyala

01 Dec 2010, 06:29

84

11

28,445

by: bumpbot

07 Oct 2023, 07:45

ER

Each month, Jim receives a base salary plus a 10 percent commission on

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

26 Jun 2017, 02:59

44

8

28,444

by: bumpbot

22 Jul 2025, 07:15

ER

What is the distance between a and b on the number line?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

Bunuel

01 Apr 2012, 01:51

54

18

28,411

by: bumpbot

20 Dec 2023, 03:35

ER

If Paula drove the distance from her home to her college at

505-555 (Easy) | Distance and Speed Problems

505-555 (Easy) | Distance and Speed Problems hide tags

Bunuel

02 Jul 2012, 02:42

89

14

28,396

by: totaltestprepNick

02 Mar 2026, 08:21

ER

Is quadrilateral PQRS a parallelogram? (1) Adjacent sides PQ and QR

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

26 Apr 2019, 02:53

155

9

28,376

by: bumpbot

02 Jan 2025, 10:37

ER

Was Store K's profit last month at least 10 percent greater than its

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

parkhydel

28 Apr 2020, 05:13

275

15

28,341

by: Paspad

03 Feb 2026, 11:12

ER

If x and y are integers between 10 and 99, inclusive, is (x - y)/9 an

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

27 Oct 2012, 02:23

152

9

28,326

by: bumpbot

16 May 2025, 17:01

ER

A report consisting of 2,600 words is divided into 23 paragr

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Walkabout

18 Dec 2012, 08:01

143

13

28,310

by: totaltestprepNick

04 Mar 2026, 10:59

ER

In the figure above, if A, B, and C are the areas, respectively, of th

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

26 Apr 2019, 02:50

168

18

28,302

by: bumpbot

07 Jan 2025, 14:55

ER

Is xy > x^2*y^2? (1) 14*x^2 = 3 (2) y^2 = 1

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

jade3

16 Feb 2012, 22:37

36

17

28,299

by: bumpbot

22 Sep 2024, 02:54

ER

In the figure above, what is the value of z?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

walker

19 Jul 2016, 08:56

43

8

28,299

by: Saakshi2407

24 Jun 2023, 15:14

If a rope is cut into three pieces of unequal length, what is the leng

505-555 (Easy) | Algebra, Word Problems

505-555 (Easy) | Algebra, Word Problems hide tags

mciatto

31 Aug 2003, 16:21

43

11

28,263

by: bumpbot

06 Sep 2025, 01:42

ER

A jewelry dealer initially offered a bracelet for sale at an

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

vageesh

11 Jan 2010, 06:11

217

9

28,252

by: bumpbot

18 Jul 2025, 08:25

ER

If a certain animated cartoon consists of a total of 17,280 frames on

Sub 505 (Easy) | Distance and Speed Problems

Sub 505 (Easy) | Distance and Speed Problems hide tags

Walkabout

13 Dec 2012, 05:41

69

10

28,174

by: Bunuel

08 Apr 2026, 03:43

ER

x is an integer and x raised to any odd integer is greater

805+ (Hard) | Algebra +2 tags

805+ (Hard) | Algebra, Exponents, Inequalities hide tags

ykaiim

20 May 2012, 11:57

318

14

28,099

by: bumpbot

10 Mar 2025, 07:20

ER

Is rw = 0?

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

BrainLab

19 Sep 2015, 14:51

43

12

28,024

by: bumpbot

11 Jun 2023, 06:22

ER

If a and n are integers and n > 1, is n odd?

805+ (Hard) | Exponents, Number Properties

805+ (Hard) | Exponents, Number Properties hide tags

conty911

23 Aug 2012, 01:17

126

13

28,017

by: adityaganjoo

27 Jun 2021, 05:35

ER

The symbol # represents one of the four arithmetic operation

555-605 (Medium) | Arithmetic, Functions and Custom Characters

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

anilnandyala

09 Jan 2011, 08:49

61

8

27,992

by: bumpbot

26 Jun 2024, 08:04

ER

If the area of triangular region RST is 25, what is the perimeter

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

prasannar

01 Oct 2022, 09:30

100

16

27,972

by: bumpbot

28 Dec 2025, 08:34

ER

Is (x^7)(y^2)(z^3) > 0 ? (1) yz < 0 (2) xz > 0

705-805 (Hard) | Exponents, Inequalities

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

TheGmatTutor

20 Oct 2013, 11:56

142

12

27,967

by: bumpbot

02 Jul 2025, 14:22

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

27,907

by: bumpbot

19 Oct 2024, 09:19

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

27,900

by: bumpbot

06 Jan 2024, 03:18

ER

Every object in a box is either a sphere or a cube, and every object

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

Bunuel

26 Jun 2017, 02:41

66

13

27,900

by: ArnauG

21 May 2023, 11:16

ER

If x = 1/2, is y equal to 1? (1) y^2(x + 1/2) = 1 (2) y(2x - 1) = 2x

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

pradeepss

05 Jun 2019, 05:23

41

6

27,889

by: bumpbot

27 Nov 2024, 01:44

ER

If a is a 3-digit integer and b is a 3-digit integer, is the units

Sub 505 (Easy) | Fractions and Ratios +2 tags

Sub 505 (Easy) | Fractions and Ratios, Inequalities, Number Properties hide tags

Bunuel

26 Jun 2017, 02:11

36

10

27,873

by: bumpbot

29 Sep 2023, 06:39

ER

How many miles long is the route from Houghton to Callahan?

555-605 (Medium) | Distance and Speed Problems

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

fiendex

21 Jul 2013, 09:08

82

12

27,863

by: bumpbot

14 Mar 2025, 10:59

In 1999, Company X's gross profit was what percent of its

555-605 (Medium) | Percent and Interest Problems

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

sm176811

14 Apr 2006, 13:49

69

6

27,855

by: totaltestprepNick

25 Feb 2026, 16:00

ER

Given a series of n consecutive positive integers, where n >

705-805 (Hard) | Number Properties, Sequences

705-805 (Hard) | Number Properties, Sequences hide tags

enigma123

05 Mar 2026, 11:16

120

7

27,853

by: bumpbot

06 Dec 2025, 01:27

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

27,831

by: bumpbot

05 Jan 2026, 09:30

ER

John and Mary own shares of stock in a certain company. Does

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

wshaffer

25 Dec 2006, 06:40

74

10

27,768

by: bumpbot

28 Aug 2024, 01:09

ER

Last year, the five employees of company X took an average

605-655 (Medium) | Statistics and Sets Problems

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

GMAT10

22 Aug 2012, 01:28

107

17

27,761

by: bumpbot

29 Sep 2025, 07:36

ER

During a 10-week summer vacation, was the average (arithmetic mean)

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

vaivish1723

20 Nov 2023, 08:18

101

14

27,757

by: bumpbot

30 Jan 2026, 03:53

ER

If n is a positive integer and r is the remainder when n^2 - 1 is

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

YTT

28 Jul 2015, 06:52

92

16

27,755

by: ablatt4

28 Aug 2025, 08:53

ER

When the positive integer x is divided by 4, is the remainder equal to

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

Bunuel

10 Nov 2014, 07:53

102

13

27,719

by: bumpbot

17 Apr 2025, 19:56

ER

Hoses X and Y simultaneously fill an empty swimming pool

Sub 505 (Easy) | Work and Rate Problems

Sub 505 (Easy) | Work and Rate Problems hide tags

Bunuel

21 Jan 2014, 04:07

26

10

27,718

by: totaltestprepNick

03 Mar 2026, 09:24

ER

The table above shows the cancellation fee schedule that a travel agen

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

14 Feb 2014, 02:01

119

15

27,693

by: Harsh_

11 Apr 2026, 01:33

ER

There are exactly 6 teams in league x. What was the total

555-605 (Medium) | Combinations

555-605 (Medium) | Combinations hide tags

eybrj2

06 Mar 2012, 23:36

131

17

27,693

by: Bunuel

04 Jul 2025, 12:46

ER

Which of the positive numbers x or y is greater?

555-605 (Medium) | Algebra, Inequalities

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

Bunuel

03 Jul 2016, 10:53

94

10

27,693

by: KanikaJain

21 Oct 2024, 04:18

ER

At a charity fundraiser, 180 of the guests had a house both

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

calreg11

20 Apr 2012, 17:36

63

19

27,688

by: bumpbot

09 Aug 2025, 01:02

ER

If b is an integer, is (a^2 + b^2)^(1/2) an integer?

555-605 (Medium) | Algebra, Number Properties

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

banksy

26 Feb 2011, 16:45

124

13

27,654

by: bumpbot

01 Apr 2025, 03:21

ER

In the xy-plane, line k passes through the point (1, 1) and line m

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

gautamsubrahmanyam

11 Jun 2010, 07:24

84

14

27,628

by: bumpbot

23 Aug 2023, 13:50

ER

For each month of next year, Company R's monthly revenue target is x

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

tarek99

07 Dec 2007, 09:38

80

13

27,620

by: bumpbot

14 Nov 2024, 07:13

ER

For a certain car repair, the total charge consisted of a charge for

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

21 Oct 2015, 21:39

69

10

27,613

by: bumpbot

22 Aug 2024, 12:34

ER

For each positive integer k, let ak = (1 + 1/(k+1)). Is the product a1

655-705 (Hard) | Multiples and Factors +2 tags

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

gmatt1476

21 Sep 2019, 15:20

194

13

27,566

by: bumpbot

23 Apr 2026, 15:12

ER

Is a/b < 0? (1) a^2/b^3 > 0 (2) ab^4 < 0

505-555 (Easy) | Exponents, Inequalities

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

siddhans

13 Feb 2022, 02:39

47

11

27,543

by: bumpbot

19 May 2024, 20:27