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

189

15

89,031

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of June 2026

1, 2

Bunuel

01 Jan 2026, 05:45

872

24

194,241

by: bumpbot

16 Sep 2025, 06:05

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DS Question Directory by Topic and Difficulty

Guides & Resources

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bb

23 Aug 2026, 13:03

1.6k

1

496,220

by: bb

23 Aug 2026, 13:01

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Data Sufficiency Butler: 2 Questions Every Day

Guides & Resources

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1, 2...5, 6

Bunuel

03 Sep 2026, 22:16

474

108

167,865

by: Bunuel

03 Sep 2026, 22:16

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Peder currently works 40 hours a week. If his hourly wage went up by

555-605 (Medium) | Percent and Interest Problems, Word Problems

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

Bunuel

03 Sep 2026, 22:15

2

42

by: TommyLeo

04 Sep 2026, 00:17

ER

Three robots, Q, R, and L, which eject water independently and

555-605 (Medium) | Work and Rate Problems

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

Bunuel

03 Sep 2026, 22:14

1

36

by: icandoit4u

03 Sep 2026, 23:46

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Around the World in 80 Questions (Day 4): Of the retailers surveyed

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

20 Jul 2023, 08:00

33

10

7,675

by: SwiftMonk

03 Sep 2026, 23:38

ER

Max (x,y) is defined as the maximum of x and y, and min(x,y)

555-605 (Medium) | Functions and Custom Characters, Min-Max Problems

555-605 (Medium) | Functions and Custom Characters, Min-Max Problems hide tags

GMATD11

28 Feb 2012, 19:52

60

6

102,808

by: bumpbot

03 Sep 2026, 14:19

Carlos spent 70% of his initial money to buy a property in Spain and

555-605 (Medium) | Percent and Interest Problems

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

laborumpossimus

03 Sep 2026, 13:54

0

29

by: laborumpossimus

03 Sep 2026, 13:54

What were the gross revenues from ticket sales for the movie Mr. and

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

02 Sep 2026, 22:25

1

80

by: LucidGhost

03 Sep 2026, 10:45

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If Car X followed Car Y across a certain bridge that is 1/2 mile long,

705-805 (Hard) | Word Problems, Work and Rate Problems

705-805 (Hard) | Word Problems, Work and Rate Problems hide tags

GMATBusters

11 Apr 2020, 18:56

13

16

4,858

by: tan2026

03 Sep 2026, 10:29

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What is the ratio of the amount, by weight, of Metal A to Metal B in A

505-555 (Easy) | Fractions and Ratios, Mixture Problems

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

guddo

30 May 2024, 11:02

27

13

7,051

by: bumpbot

03 Sep 2026, 10:08

ER

At a certain hotel, every room has air conditioning or cable TV

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

BrentGMATPrepNow

20 Sep 2016, 13:54

17

7

4,845

by: Bunuel

03 Sep 2026, 09:27

A bag of 100 jellybeans contains cherry, licorice, and orange

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

02 Sep 2026, 22:25

2

1

77

by: SS990

03 Sep 2026, 08:39

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An initial investment of $10,000 was deposited in a bank account one

505-555 (Easy) | Percent and Interest Problems

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

Bunuel

23 May 2020, 04:45

38

5

11,860

by: bumpbot

03 Sep 2026, 08:13

ER

Given that the mean of Set A is 10, what is the range of two

Sub 505 (Easy) | Statistics and Sets Problems

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

smartass666

05 Nov 2012, 21:09

67

10

20,319

by: bumpbot

03 Sep 2026, 06:45

ER

A certain company sells only cars and trucks, and the average selling

655-705 (Hard) | Statistics and Sets Problems

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

BillyZ

21 Feb 2017, 18:23

11

3

3,753

by: bumpbot

02 Sep 2026, 22:52

ER

Yesterday each coat in a store was offered on sale price.

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Starburst10

17 Mar 2024, 12:59

46

11

11,096

by: bumpbot

02 Sep 2026, 20:23

ER

The cost of a certain school trip was $16 for each child and $24 for

555-605 (Medium) | Fractions and Ratios, Word Problems

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

Bunuel

02 Aug 2023, 05:00

69

9

20,679

by: MarkGMATMentor

02 Sep 2026, 18:26

ER

In a class of 30 students, Emma secured the third rank among the girls

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

24 Jan 2025, 01:30

8

4

1,633

by: MarkGMATMentor

02 Sep 2026, 17:26

ER

In a certain lab, 60 percent of the researchers have advanced degrees

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

01 Sep 2026, 19:00

2

4

150

by: MarkGMATMentor

02 Sep 2026, 16:45

ER

If the average (arithmetic mean) of four different numbers is 30, how

605-655 (Medium) | Statistics and Sets Problems

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

kook44

06 Jun 2019, 02:45

220

15

79,213

by: doitrahul

02 Sep 2026, 12:03

ER

A certain pizzeria has more than fifty types of pizzas on its menu.

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

GMATCoachBen

06 Feb 2024, 19:21

119

10

15,411

by: Bunuel

02 Sep 2026, 11:45

ER

If set S = {7, y, 12, 8, x, 9}, is x + y less than 18?

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

14 Oct 2014, 06:11

27

7

9,941

by: bumpbot

02 Sep 2026, 09:36

ER

Rachel throws a cocktail party for her friends. At the party, she

505-555 (Easy) | Fractions and Ratios, Word Problems

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

Bunuel

26 Aug 2026, 19:00

4

235

by: SS990

02 Sep 2026, 09:27

ER

A few men and a few women are seated in a row. The number of men is on

705-805 (Hard) | Combinations

705-805 (Hard) | Combinations hide tags

Bunuel

16 Jul 2017, 23:32

74

12

9,236

by: ohhno

02 Sep 2026, 09:15

ER

How many songs did the musician record? (1) Of the songs the

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

01 Sep 2026, 19:00

2

3

146

by: Parinpatel

02 Sep 2026, 09:12

University has published the list of subjects in two columns

555-605 (Medium) | Combinations

555-605 (Medium) | Combinations hide tags

shriwasakshat

01 Jun 2025, 03:01

6

3

994

by: ohhno

02 Sep 2026, 09:04

ER

GMAT Club Olympics 2025 (Day 1): In a store, 40 items are arranged on

555-605 (Medium) | Statistics and Sets Problems, Word Problems

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

1, 2...7, 8

Bunuel

30 Jun 2025, 08:00

137

157

6,383

by: ohhno

02 Sep 2026, 08:56

ER

There are x children and y chairs arranged in a circle in a room where

555-605 (Medium) | Combinations

555-605 (Medium) | Combinations hide tags

Bunuel

29 Mar 2021, 00:21

63

12

11,148

by: bumpbot

02 Sep 2026, 08:19

ER

LCM of two natural numbers x and y is 161, and x is greater than 1.

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

nick1816

25 Jun 2019, 01:48

11

7

2,283

by: Bunuel

02 Sep 2026, 05:42

ER

Prof Liu gave the same quiz to the students in her morning class and

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

[email protected]

23 Jan 2024, 06:52

272

19

51,338

by: bumpbot

02 Sep 2026, 04:03

A golf club that sold only individual and family memberships charged

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

31 Aug 2026, 19:00

1

2

173

by: TheAdmissionHub

02 Sep 2026, 02:14

ER

A real estate agent sold 6 houses in Junction City and 3 houses

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

guddo

24 Jan 2024, 01:14

49

9

11,208

by: Himanshu_Dhiman

01 Sep 2026, 23:35

ER

The values of x and y vary with the value of z

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

NoHalfMeasures

19 Dec 2015, 15:22

127

10

15,096

by: Rishab2409

01 Sep 2026, 23:16

ER

At a certain school, is the number of biology students greater than

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

20 Aug 2026, 19:00

7

5

438

by: officiisnobis

01 Sep 2026, 14:07

ER

Today Dave drove from home to work at twice his regular speed and arri

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

BrentGMATPrepNow

16 Aug 2022, 07:05

11

3

2,324

by: Bunuel

01 Sep 2026, 12:10

ER

If x ≠ 0, is |x| < 1 ? (1) x^2 < 1 (2) |x| < 1/x

605-655 (Medium) | Absolute Values, Inequalities

605-655 (Medium) | Absolute Values, Inequalities hide tags

1, 2

boomtangboy

09 Jun 2019, 22:05

480

31

54,787

by: egmat

01 Sep 2026, 12:02

ER

A stationery shop sells only notebooks and planners. Each notebook

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

29 Jun 2026, 19:00

6

5

477

by: egmat

01 Sep 2026, 11:27

An electronics distributor receives $75 for every DVD player he ships

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

31 Aug 2026, 19:00

1

132

by: counterclash1

01 Sep 2026, 10:28

Two persons A and B run at constant speeds of a miles per hour and b

705-805 (Hard) | Distance and Speed Problems

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

Bunuel

18 Nov 2024, 01:30

4

3

1,353

by: bumpbot

01 Sep 2026, 10:25

ER

Is k greater than 3?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

tonebeeze

08 Oct 2010, 18:55

52

11

11,878

by: Bunuel

01 Sep 2026, 03:39

ER

A casino pays players with chips that are either turquoise- or violet-

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

CAMANISHPARMAR

18 May 2018, 07:46

26

11

6,945

by: Gaurav015

01 Sep 2026, 01:16

ER

A one-million dollar inheritance was divided among five

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

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

shaneforu

21 Jun 2010, 13:06

54

15

34,263

by: bumpbot

01 Sep 2026, 00:24

ER

A company has ordered 84 sofas, 180 tables, and 264 chairs. It has dep

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

vmahi77

18 Nov 2015, 02:04

55

13

7,684

by: bumpbot

01 Sep 2026, 00:14

ER

To raise funds, a racing team sold T-shirts imprinted with

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

guerrero25

30 Oct 2013, 16:01

93

12

22,531

by: officiisnobis

31 Aug 2026, 18:35

ER

What is the value of xy?

805+ (Hard) | Exponents, Number Properties

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

swati007

06 Mar 2014, 00:03

50

11

10,473

by: Bunuel

31 Aug 2026, 14:00

Mr. Aubrey who works as a Jeweller, makes either silver or gold pendan

655-705 (Hard) | Mixture Problems

655-705 (Hard) | Mixture Problems hide tags

laborumpossimus

28 Aug 2026, 14:06

2

4

300

by: LessGoRahul

31 Aug 2026, 11:14

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

94

16

28,246

by: Bunuel

31 Aug 2026, 10:52

ER

A cyclist travels 20 miles at a speed of 15 miles per hour.

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

30 Aug 2026, 19:00

2

3

166

by: TheAdmissionHub

31 Aug 2026, 08:13

ER

If a and b are nonzero numbers on the number line, is 0 between a and

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

21 Oct 2019, 06:45

33

8

10,110

by: Rishab2409

31 Aug 2026, 06:05

A certain train left City X at 7:00 am and arrived at City Y the same

705-805 (Hard) | Distance and Speed Problems, Work and Rate Problems

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

AnuK2222

05 Apr 2025, 23:28

13

2

2,256

by: ZeroSquare

31 Aug 2026, 05:13

ER

Pam owns an inventory of unopened packages of corn and rice

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

1, 2

Vinayprajapati

15 Apr 2016, 21:55

204

22

18,460

by: bumpbot

31 Aug 2026, 04:51