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

78,608

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

188,450

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

487,812

by: bb

29 Aug 2025, 13:27

If a number is drawn at random from the first 1000 positive

Poor Quality

Poor Quality hide tags

GMATT73

23 Nov 2005, 07:19

75

14

26,641

by: Nevernevergiveup

12 Jul 2016, 22:53

ER

If k and n are integers, is n divisible by 7 ?

505-555 (Easy) | Multiples and Factors

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

Bunuel

12 Feb 2014, 02:06

112

13

26,631

by: bumpbot

22 May 2025, 06:34

ER

The weights of all dishes of type X are exactly the same, and the weig

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

03 Sep 2012, 06:08

51

9

26,624

by: totaltestprepNick

02 Mar 2026, 08:10

ER

What is the area of the shaded region in the figure shown?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

BrentGMATPrepNow

29 Apr 2018, 07:09

162

11

26,608

by: bumpbot

21 Jan 2026, 21:39

ER

If x and y are positive, is xy > x + y?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

AbdurRakib

01 Jul 2016, 05:53

131

19

26,582

by: bumpbot

09 Nov 2025, 10:36

ER

If x, y, and z are positive integers, where x > y and z = √x

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

enigma123

31 Jan 2012, 17:24

207

15

26,576

by: bumpbot

22 Dec 2025, 14:58

ER

If n is the least of three different integers greater than 1, what is

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Carcass

27 Jul 2017, 08:00

144

17

26,532

by: bumpbot

01 Nov 2025, 01:29

ER

In a certain classroom, there are 80 books, of which 24 are fiction an

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

Bunuel

16 Jul 2012, 04:54

69

18

26,522

by: totaltestprepNick

03 Mar 2026, 13:22

ER

In the number 1.4ab5, a and b represent single positive

605-655 (Medium) | Fractions and Ratios

605-655 (Medium) | Fractions and Ratios hide tags

shinewine

11 Jul 2013, 09:14

118

16

26,518

by: Apeksha2101

04 Dec 2024, 10:51

ER

If a building has 6,000 square meters of floor space, how many offices

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

26 Apr 2019, 02:17

84

10

26,516

by: Bunuel

19 Apr 2025, 11:03

ER

Is w + h^4 positive? (1) h is positive (2) w is positive

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

AbdurRakib

15 Jun 2016, 03:15

50

13

26,488

by: bumpbot

05 Apr 2025, 23:24

ER

In the equation x^2 + bx + 12 = 0, x is a variable and b is a constant

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

29 Jan 2014, 02:14

75

12

26,433

by: bumpbot

09 Aug 2025, 06:07

ER

When the positive number a is rounded to the nearest tenth

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

frankiegar

19 Sep 2012, 06:11

101

13

26,428

by: licrolicro

10 Jul 2025, 13:26

ER

Is xy > 5? (1) 1 <= x <= 3 and 2 <= y <= 4 (2) x + y = 5

505-555 (Easy) | Algebra, Inequalities

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

Bunuel

23 Jan 2014, 03:26

52

12

26,422

by: totaltestprepNick

28 Feb 2026, 09:43

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If a + b + c = 12, what is the value of b? (1) a + b = 8 (2) b + c = 6

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

24 Jun 2018, 21:06

26

15

26,368

by: bumpbot

02 Sep 2025, 07:08

ER

To fill an order, a manufacturer had to produce 1000 tools per day for

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

sandranjeim

13 Jun 2019, 02:42

117

13

26,368

by: bumpbot

26 Aug 2024, 03:51

ER

Is x > y ? (1) x + y > x − y (2) 3x > 2y

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Carcass

26 Jul 2017, 08:53

145

14

26,322

by: bumpbot

21 Oct 2024, 21:21

ER

If n + k = m, what is the value of k ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

13 Aug 2012, 07:10

30

6

26,300

by: totaltestprepNick

26 Feb 2026, 13:08

ER

If -2x > 3y, is x negative? (1) y > 0 (2) 2x + 5y - 20 = 0

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

dimitri92

23 May 2010, 00:35

151

11

26,267

by: totaltestprepNick

28 Feb 2026, 09:46

ER

A retailer purchased a television set for x percent less than its list

505-555 (Easy) | Arithmetic, Percent and Interest Problems

505-555 (Easy) | Arithmetic, Percent and Interest Problems hide tags

Bunuel

24 Dec 2013, 03:55

57

8

26,238

by: bumpbot

15 Jun 2025, 10:34

ER

What is the value of n in the equation - 25 + 19 + n = S ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

02 Feb 2023, 09:53

29

16

26,231

by: bumpbot

27 Feb 2025, 05:56

ER

In the triangle above, DE is parallel to AC. What is the length of DE?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

10 Jun 2015, 04:12

21

8

26,227

by: bumpbot

29 Jun 2023, 04:00

ER

In the figure shown, the circle has center O and radius 50

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

1, 2

ajit257

03 Jan 2011, 18:18

48

21

26,212

by: bumpbot

14 Jul 2023, 23:08

ER

Is the range of the integers 6, 3, y, 4, 5, and x greater th

555-605 (Medium) | Statistics and Sets Problems

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

TomB

05 Mar 2012, 14:39

33

12

26,209

by: Bunuel

01 Oct 2017, 11:24

ER

Is the integer n a prime number?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

AbdurRakib

01 Jul 2016, 05:05

66

6

26,193

by: totaltestprepNick

11 Mar 2026, 09:17

ER

If set S consists of the numbers 1, 5, -2, 8, and n, is 0 <

555-605 (Medium) | Statistics and Sets Problems

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

Stiv

14 May 2012, 12:55

71

13

26,192

by: akhilachitte

24 Aug 2025, 10:13

ER

Set X consists of different positive numbers arranged in ascending ord

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

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

enigma123

17 Nov 2011, 16:41

57

9

26,191

by: bumpbot

16 Apr 2026, 11:27

ER

If the sequence S has 300 terms, what is the 293rd term of S

Sub 505 (Easy) | Sequences

Sub 505 (Easy) | Sequences hide tags

Bunuel

20 Aug 2012, 03:23

38

18

26,174

by: totaltestprepNick

01 Mar 2026, 19:04

ER

If A and B are positive integers, is the product AB even?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

03 Sep 2012, 06:06

26

8

26,169

by: bumpbot

20 Dec 2023, 18:08

ER

What is the greatest common factor of positive integers a

555-605 (Medium) | Multiples and Factors, Number Properties

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

enigma123

16 Dec 2012, 09:12

103

18

26,126

by: bumpbot

25 Aug 2024, 01:55

ER

If today the price of an item is $3,600, what was the price of the ite

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

03 Nov 2022, 06:02

51

9

26,106

by: Sebastian55

29 Sep 2025, 20:19

ER

What is the value of xy? (1) x + y = 10 (2) x - y = 6

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

06 Feb 2014, 01:37

6

26,095

by: totaltestprepNick

28 Feb 2026, 09:12

ER

What is the probability of selecting a clean number from a s

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

1, 2

GMATT73

26 Oct 2005, 07:52

54

22

26,092

by: bumpbot

29 Aug 2025, 22:16

ER

Each vote in a certain election went to one of two candidates, X or Y.

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

NoHalfMeasures

04 Jun 2014, 23:10

99

13

26,086

by: bumpbot

02 Feb 2025, 02:07

ER

If |n + 5| = 5, what is the value of n?

505-555 (Easy) | Absolute Values, Algebra

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

anandhimanshu85

12 Jul 2013, 02:05

61

8

26,049

by: bumpbot

09 Mar 2025, 05:37

ER

What is the circumference of the circle above with center O?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Walkabout

26 Dec 2012, 04:59

55

11

26,048

by: bumpbot

15 Oct 2023, 10:09

ER

A certain company consists of three divisions, A, B, and C. Of the emp

605-655 (Medium) | Statistics and Sets Problems, Word Problems

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

parkhydel

28 Apr 2020, 04:47

172

17

26,011

by: gmatftw777

28 Nov 2025, 02:29

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

25,974

by: bumpbot

12 Jul 2025, 17:45

ER

If x and y are positive integers and x is a multiple of y,

655-705 (Hard) | Multiples and Factors

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

banksy

26 Feb 2011, 17:44

41

7

25,923

by: bumpbot

19 Feb 2025, 03:35

ER

A scientist is studying bacteria whose cell population doubles at

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

mun23

20 Feb 2013, 16:08

104

12

25,902

by: paragw

18 May 2025, 05:50

ER

If x > 1 and y > 1, is x < y ? (1) x^2/(xy + x) < 1 (2) xy/(y^2 - y)

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

MHIKER

25 Jan 2022, 06:26

46

11

25,893

by: bumpbot

28 Oct 2025, 06:43

ER

What is the value of t?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

1, 2

Bunuel

16 Jun 2016, 03:26

33

20

25,882

by: bumpbot

25 Feb 2025, 03:56

ER

In a school that had a total of 600 students enrolled in the junior

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

02 Aug 2018, 23:36

132

13

25,881

by: bumpbot

29 Mar 2026, 21:51

ER

The events A, B, and C are independent. What is the probability that

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

goodyear2013

09 Feb 2026, 23:43

57

6

25,871

by: bumpbot

09 Feb 2026, 23:41

ER

Last week a certain comedian had an audience of 120 people for each of

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

05 Aug 2023, 10:00

109

7

25,858

by: bumpbot

23 Dec 2025, 10:52

ER

In ΔJKL shown above, what is the length of segment JL ?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

26 Apr 2019, 02:59

43

10

25,841

by: bumpbot

13 Oct 2025, 11:25

ER

What is the distance between Harry s home and his office?

505-555 (Easy) | Distance and Speed Problems

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

enigma123

10 Nov 2011, 16:50

47

8

25,837

by: bumpbot

09 Jan 2026, 05:11

ER

The profit from the sale of a certain appliance increases

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

26 Aug 2012, 03:10

69

10

25,816

by: bumpbot

12 Jun 2025, 05:18

ER

The arithmetic mean of a collection of 5 positive integers, not necess

555-605 (Medium) | Statistics and Sets Problems

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

Carcass

26 Jul 2017, 11:52

77

12

25,806

by: bumpbot

31 Mar 2025, 00:11

ER

55 people live in an apartment complex with three fitness

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

Tagger

15 Apr 2013, 06:36

109

15

25,801

by: bumpbot

25 Nov 2025, 22:16