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

78,630

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of March 2026

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Bunuel

01 Jan 2026, 05:45

854

24

188,466

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

487,848

by: bb

29 Aug 2025, 13:27

ER

What is the average (arithmetic mean) annual salary of the 6 employees

605-655 (Medium) | Statistics and Sets Problems

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

1, 2

Bunuel

03 Aug 2018, 11:13

209

20

51,656

by: bumpbot

16 Jan 2026, 10:18

ER

In the figure above, PQR and STU are identical equilateral triangles,

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

1, 2

Bunuel

26 Oct 2015, 10:04

352

20

54,103

by: bumpbot

10 Jan 2026, 04:25

ER

Six shipments of machine parts were shipped from a factory on two

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

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

1, 2

Walkabout

14 Dec 2012, 06:24

676

20

70,070

by: Bunuel

03 Jan 2026, 04:02

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If p is a prime number greater than 2, what is the value of p ?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

1, 2

aljatar

28 Mar 2010, 05:56

142

20

62,875

by: bumpbot

30 Dec 2025, 09:12

ER

Last year, in a certain housing development, the average (arithmetic m

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

1, 2

Bunuel

20 Jun 2018, 00:15

203

20

34,503

by: bumpbot

29 Dec 2025, 08:32

ER

Yesterday Bookstore B sold twice as many softcover books as hardcover

805+ (Hard) | Statistics and Sets Problems, Word Problems

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

1, 2

parkhydel

28 Apr 2020, 04:59

423

20

40,120

by: bumpbot

28 Dec 2025, 08:18

ER

How many different prime numbers are factors of the positive integer n

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

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

1, 2

xyzgmat

05 Jun 2019, 03:04

652

20

145,833

by: bumpbot

18 Dec 2025, 20:37

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If Jim earns x dollars per hour, it will take him 4 hours to

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

1, 2

mojorising800

05 Jul 2011, 14:23

50

20

19,878

by: bumpbot

17 Dec 2025, 01:31

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Is x > 0 ? (1) x < x^2 (2) x < x^3

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

1, 2

rxs0005

21 Sep 2010, 08:14

43

20

14,158

by: SanuBest

14 Dec 2025, 00:10

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Is |2a − 3b| < |a − b| + |a − 2b|? (1) b = 3 (2) a < b

805+ (Hard) | Absolute Values, Inequalities

805+ (Hard) | Absolute Values, Inequalities hide tags

1, 2

galiya

01 Aug 2012, 07:20

203

20

27,274

by: bumpbot

08 Dec 2025, 23:20

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Let S be a set of outcomes and let A and B be events with outcomes in

655-705 (Hard) | Probability, Statistics and Sets Problems

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

1, 2

gmatt1476

21 Sep 2019, 15:28

591

20

38,116

by: Bunuel

06 Dec 2025, 06:21

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The point A, B, C, and D are on the number line, not necessa

605-655 (Medium) | Geometry, Number Properties

605-655 (Medium) | Geometry, Number Properties hide tags

1, 2

ronybtl

27 May 2014, 07:40

432

20

133,395

by: bumpbot

28 Nov 2025, 23:11

ER

Two friends, X and Y start from two points M and N and move towards

705-805 (Hard) | Distance and Speed Problems

705-805 (Hard) | Distance and Speed Problems hide tags

1, 2

Bunuel

06 Jul 2017, 02:33

63

20

10,063

by: bumpbot

20 Nov 2025, 06:15

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If 3x + 5 < x + 11, is x prime?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

1, 2

monir6000

20 Jan 2013, 05:30

98

20

19,831

by: bumpbot

06 Nov 2025, 10:57

ER

For any integers x and y, min(x, y) and max(x, y) denote the

655-705 (Hard) | Functions and Custom Characters, Min-Max Problems

655-705 (Hard) | Functions and Custom Characters, Min-Max Problems hide tags

1, 2

snkrhed

29 May 2010, 13:23

559

20

121,609

by: bumpbot

28 Oct 2025, 22:54

ER

The sum of n consecutive positive integers is 45. What is

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

1, 2

enigma123

12 Jun 2013, 03:33

185

20

40,939

by: bumpbot

25 Oct 2025, 08:03

ER

The circular base of an above-ground swimming pool lies in

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

1, 2

Bunuel

18 Feb 2014, 03:50

108

20

33,471

by: saepenulla

17 Oct 2025, 06:40

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If l and k are lines in the xy-plane, is the product of the slopes of

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

1, 2

blog

31 Jan 2008, 19:24

77

20

38,266

by: bumpbot

06 Oct 2025, 23:45

ER

Store S sold a total of 90 copies of a certain book during

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

1, 2

Hussain15

05 Oct 2025, 01:46

200

20

40,185

by: Bunuel

05 Oct 2025, 01:46

ER

A set consists of n consecutive integers in which the smalle

805+ (Hard) | Statistics and Sets Problems

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

1, 2

vibhav

21 Jul 2013, 07:22

221

20

23,359

by: bumpbot

30 Sep 2025, 06:20

ER

Mary persuaded n friends to donate $500 each to her election

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

1, 2

seofah

07 Apr 2009, 15:51

324

20

55,438

by: bumpbot

20 Sep 2025, 08:10

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Is x greater than 1? (1) 1/x >1 (2) 1/x^5 > 1/x^3

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

1, 2

sandal85

06 Jun 2012, 21:20

67

20

26,996

by: bumpbot

27 Aug 2025, 13:09

ER

Two points, N and Q (not shown), lie to the right of point M on line l

605-655 (Medium) | Fractions and Ratios

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

1, 2

Bunuel

20 Aug 2025, 23:54

302

20

51,315

by: Shreyaarora

20 Aug 2025, 23:35

ER

Ralph is giving out Valentine’s Day cards to his friends.

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

1, 2

honchos

16 Sep 2013, 02:24

52

20

9,157

by: bumpbot

02 Aug 2025, 15:42

ER

In the rectangular coordinate system, are the points (r,s) and (u,v)

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

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calvinhobbes

06 Feb 2019, 04:09

318

20

42,337

by: bumpbot

19 Jul 2025, 16:28

ER

In a certain group of 50 people, how many are doctors who have a law

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

1, 2

Bunuel

26 Jun 2017, 02:21

148

20

32,847

by: KalleAbhi

19 Jul 2025, 04:51

ER

If c and d are integers, is c even?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

1, 2

zaarathelab

30 Jan 2010, 13:15

184

20

30,754

by: agrasan

16 Jul 2025, 20:47

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A certain truck uses 1/12 +kv^2 gallons of fuel per mile when its spee

Sub 505 (Easy) | Distance and Speed Problems, Word Problems

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

1, 2

BrainLab

26 Jul 2021, 08:37

158

20

35,689

by: bumpbot

16 Jul 2025, 04:59

ER

At a certain company, a test was given to a group of men and women see

605-655 (Medium) | Statistics and Sets Problems

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

1, 2

rajman41

11 Nov 2017, 07:54

567

20

52,609

by: bumpbot

09 Jul 2025, 00:38

ER

If M and N are integers, is ((10^M)) + N)/3 an integer?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

1, 2

sprtng

27 Jul 2015, 14:45

47

20

14,572

by: bumpbot

22 Jun 2025, 12:28

ER

A country's per capita national debt is its national debt divided by

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

1, 2

gmatt1476

21 Sep 2019, 15:12

212

20

24,268

by: Pablopikachu

18 Jun 2025, 01:44

ER

Dean of the Imperial College, W wants to sch

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

1, 2

GMATBusters

25 Apr 2020, 19:01

7

20

3,171

by: iamjatinagrawal

16 Jun 2025, 03:23

ER

A contractor combined x tons of a gravel mixture that contained 10 per

655-705 (Hard) | Mixture Problems

655-705 (Hard) | Mixture Problems hide tags

1, 2

ugimba

11 Jun 2019, 04:06

359

20

75,346

by: bumpbot

12 Jun 2025, 01:14

ER

Machines A and B each produce tablets at their respective co

805+ (Hard) | Work and Rate Problems

805+ (Hard) | Work and Rate Problems hide tags

1, 2

tk1tez7777

05 Oct 2013, 04:32

193

20

27,460

by: bumpbot

08 Jun 2025, 11:49

ER

Is the integer z divisible by 6?

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

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

1, 2

enigma123

25 Jun 2011, 12:22

61

20

21,352

by: GMATinsight

03 Jun 2025, 03:37

ER

Is the average (arithmetic mean) of the numbers x, y, and z greater th

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

1, 2

Bunuel

26 Apr 2019, 02:45

128

20

32,093

by: bumpbot

01 Jun 2025, 04:18

ER

Warehouse W's revenue from the sale of sofas was what percen

555-605 (Medium) | Percent and Interest Problems

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

1, 2

young_gun

11 Mar 2014, 01:30

437

20

94,738

by: bumpbot

30 May 2025, 03:12

ER

When positive integer n is divided by 3, the remainder is 2; and when

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

1, 2

priyankurml

08 Sep 2023, 08:00

337

20

81,202

by: rak08

28 May 2025, 03:54

ER

Lines k and l intersect in the coordinate plane at point (3,

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

1, 2

supri1234

09 Jul 2013, 15:49

128

20

17,511

by: bumpbot

23 May 2025, 23:03

ER

If digit h is the hundredths' digit in the decimal d=0.2h6,

555-605 (Medium) | Fractions and Ratios

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

1, 2

vanidhar

20 Sep 2012, 04:55

177

20

35,729

by: bumpbot

21 May 2025, 22:27

ER

Sets M and N contain exactly m and n elements, respectively.

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

1, 2

Lettherebelight

25 Mar 2016, 05:17

380

20

69,784

by: bumpbot

17 May 2025, 03:04

ER

GMAT Club World Cup 2022 (DAY 9): If x and y are integer

805+ (Hard) | Exponents, Inequalities

805+ (Hard) | Exponents, Inequalities hide tags

1, 2

Bunuel

21 Jul 2022, 08:00

25

20

4,618

by: KarishmaB

22 Apr 2025, 20:56

ER

If a and b are constants, what is the value of a ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

1, 2

Carcass

11 Jun 2021, 09:49

178

20

32,675

by: bumpbot

10 Apr 2025, 12:04

ER

What is the volume of a certain rectangular solid?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

1, 2

amod243

14 Dec 2012, 05:52

522

20

70,099

by: bumpbot

02 Apr 2025, 18:32

ER

A certain company has 255 employees. If an employee is to be selected

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

1, 2

unuk50

19 Jun 2016, 05:17

171

20

40,364

by: bumpbot

30 Mar 2025, 15:12

ER

What is the value of the tenths digit of number x?

555-605 (Medium) | Fractions and Ratios

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

1, 2

nikhilbajaj

24 Dec 2009, 10:33

79

20

27,429

by: bumpbot

30 Mar 2025, 00:19

ER

Do at least 60 percent of the students in Pats class walk to school?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

1, 2

Bunuel

21 Oct 2015, 21:43

68

20

30,325

by: bumpbot

23 Mar 2025, 03:19

ER

If x^2y^3 = 200, what is xy ? (1) y is an integer (2) x is an integer

705-805 (Hard) | Algebra, Number Properties

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

1, 2

Bunuel

24 Jan 2020, 01:44

39

20

7,503

by: bumpbot

17 Mar 2025, 08:02

ER

S is a set of positive integers. The average of the terms in

705-805 (Hard) | Statistics and Sets Problems

705-805 (Hard) | Statistics and Sets Problems hide tags

1, 2

rohitgarg

07 Nov 2013, 11:43

79

20

22,115

by: bumpbot

05 Mar 2025, 22:34

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