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

179

15

80,154

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

858

24

189,111

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

488,868

by: bb

29 Aug 2025, 13:27

ER

Office Solutions employs both male and female workers who work either

Sub 505 (Easy) | Percent and Interest Problems

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

Bunuel

11 Feb 2019, 03:48

2

4

1,839

by: bumpbot

23 Jul 2025, 07:38

ER

If x and y are positive integers, what is the greatest common factor

705-805 (Hard) | Multiples and Factors

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

Bunuel

17 May 2018, 05:52

24

8

5,334

by: bumpbot

23 Jul 2025, 06:06

ER

Is P positive? (1) P^3 = P (2) |P| = P

605-655 (Medium) | Absolute Values, Algebra

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

Hemavakade

16 Sep 2015, 12:31

23

10

5,149

by: Rahilgaur

23 Jul 2025, 04:34

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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

69

11

8,817

by: srik410

23 Jul 2025, 03:13

ER

A used car reseller was paid a total of $5,000 for a used car. The res

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

16 Oct 2018, 02:18

6

3

2,508

by: GMATinsight

23 Jul 2025, 03:03

ER

For a certain city's library, the average cost of purchasing each new

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

1, 2

AbdurRakib

22 Jun 2017, 15:43

272

21

44,614

by: ManishaPrepMinds

23 Jul 2025, 01:48

ER

In the decimal 3.1de, d and e each represent a digit. If x

555-605 (Medium) | Fractions and Ratios

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

raviram80

31 May 2013, 00:53

61

15

16,093

by: bumpbot

23 Jul 2025, 01:00

ER

The cards in a deck are numbered consecutively from 1 to 20. If some

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

Bunuel

01 Jul 2018, 20:57

10

2

3,457

by: bumpbot

23 Jul 2025, 00:51

ER

If x = 0.abcd where a, b, c and d are single-digits, then find the val

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

GMATinsight

04 Mar 2021, 20:32

5

7

2,164

by: bumpbot

23 Jul 2025, 00:34

ER

If m is the arithmetic mean (average) of 4 integers a, b, c, and d and

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

10 Mar 2016, 04:56

17

3

3,790

by: bumpbot

23 Jul 2025, 00:33

ER

Does 5^x = 7^y? (1) x > y > 0 (2) x and y are both even.

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

BillyZ

08 Feb 2017, 01:28

21

10

4,823

by: bumpbot

23 Jul 2025, 00:29

ER

Is x > y? (1) 9x = 4y (2) x = -y

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

GMATT73

05 Nov 2020, 06:37

44

11

11,302

by: bumpbot

22 Jul 2025, 22:55

ER

If James is currently 1/3 as old as his mother, how old is James?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

22 Jul 2025, 22:00

1

1,025

by: agrasan

22 Jul 2025, 22:23

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

65

12

11,845

by: Ayushi2000

22 Jul 2025, 14:41

ER

Of the 600 students in a class, each French speaker also speaks German

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

10 Jul 2019, 08:00

38

16

9,909

by: bumpbot

22 Jul 2025, 12:13

ER

Eloises aquarium contains six tropical fish. If the largest fish is 4

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

21 Jul 2025, 22:00

6

3

570

by: Souradeep17

22 Jul 2025, 10:48

ER

Two employees each received raises. Which of the two, Scott or Alex

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

21 Jul 2025, 22:00

7

5

639

by: Souradeep17

22 Jul 2025, 10:11

ER

If the average (arithmetic mean) of the assessed values of x houses is

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

sondenso

20 Nov 2023, 09:37

80

11

27,094

by: GMAT1034

22 Jul 2025, 09:13

ER

If a student is selected at random from Learngood Elementary, what is

Sub 505 (Easy) | Probability

Sub 505 (Easy) | Probability hide tags

Bunuel

25 Jul 2018, 05:12

9

5

6,023

by: bumpbot

22 Jul 2025, 07:57

ER

GMAT Club Olympics 2024 (Day 4): What is the length of a train

655-705 (Hard) | Distance and Speed Problems

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

1, 2...5, 6

Bunuel

11 Jul 2024, 07:00

89

105

10,850

by: bumpbot

22 Jul 2025, 07:44

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

28,491

by: bumpbot

22 Jul 2025, 07:15

ER

In the rectangular coordinates in the figure above, what is the value

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Bunuel

16 Jun 2021, 03:30

2

4

2,944

by: bumpbot

22 Jul 2025, 07:05

ER

Karina´s mother has already bought T attraction tickets to distribute

555-605 (Medium) | Algebra, Word Problems

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

fskilnik

05 Mar 2019, 09:33

5

2

1,643

by: bumpbot

22 Jul 2025, 01:42

ER

How many of the 350 students at Glendale High School took math?

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

25 Jan 2017, 06:29

10

5

3,190

by: bumpbot

21 Jul 2025, 10:59

ER

Is x > y? (1) x^2 > y (2) x – |y| > 0

505-555 (Easy) | Absolute Values, Inequalities

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

Bunuel

23 Mar 2016, 11:37

28

12

7,493

by: bumpbot

21 Jul 2025, 10:42

In a city, there are 400 people who are member of one or more of three

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

amanvermagmat

04 May 2018, 00:29

9

6

2,783

by: bumpbot

21 Jul 2025, 10:15

ER

On January 1st, Olivia deposited a certain amount of money into Bank A

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

14 Apr 2026, 03:53

2

4

1,406

by: LeoLong2

21 Jul 2025, 09:07

ER

A box has at least one ball of each of the colors red, green, and blue

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

01 Jun 2022, 03:30

7

6

7,577

by: bumpbot

21 Jul 2025, 08:45

ER

On a recent test taken by 21 students, each students test score was

555-605 (Medium) | Statistics and Sets Problems

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

houston1980

01 Jul 2023, 09:23

110

3

24,301

by: bumpbot

21 Jul 2025, 07:19

ER

If the Longfellow Playground is rectangular, what is its width?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

13 Sep 2022, 02:54

13

5

19,189

by: bumpbot

21 Jul 2025, 05:33

ER

Set Q contains p numbers, where p > 1. What is the ratio

555-605 (Medium) | Statistics and Sets Problems

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

rxs0005

08 Dec 2010, 16:32

12

5

4,354

by: bumpbot

21 Jul 2025, 05:09

ER

How many integers are greater than x, but less than y?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

25 Nov 2014, 08:26

21

8

8,241

by: bumpbot

21 Jul 2025, 03:29

ER

Is x/y < xy ? (1) xy > 0 (2) y < -1

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

26 Jan 2021, 01:15

24

10

7,091

by: bumpbot

21 Jul 2025, 03:13

ER

Is x>0 ?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

BillyZ

11 May 2017, 02:34

13

14

6,491

by: bumpbot

21 Jul 2025, 03:11

ER

Given that a, b, c, and, d are non-negative integers, is the

655-705 (Hard) | Algebra, Number Properties

655-705 (Hard) | Algebra, Number Properties hide tags

enigma123

09 May 2020, 12:09

63

12

17,189

by: bumpbot

21 Jul 2025, 02:09

ER

Is r/s^2 a terminating decimal?

555-605 (Medium) | Fractions and Ratios

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

SudiptoGmat

23 Feb 2010, 14:23

74

5

27,515

by: bumpbot

21 Jul 2025, 02:03

ER

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

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

1, 2, 3

Bunuel

27 Dec 2024, 09:00

64

51

4,757

by: finisher009

21 Jul 2025, 02:03

ER

In rectangular region PQRS above, T is a point on side PS. If PS = 4,

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

06 Mar 2023, 00:14

126

16

31,790

by: bumpbot

21 Jul 2025, 01:55

ER

If x and y are integers, x≠0 and y≠0, is x2x>y2y ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

ProfChaos

03 Aug 2020, 09:12

10

4

2,342

by: bumpbot

20 Jul 2025, 23:26

ER

What is the average of A, B, and C?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

ocavon

25 Jun 2015, 09:25

15

2

8,128

by: bumpbot

20 Jul 2025, 23:20

ER

Is x >= 0 ?

655-705 (Hard) | Absolute Values, Algebra

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

KrishnaK

17 Jan 2011, 11:12

10

4

6,268

by: bumpbot

20 Jul 2025, 19:19

ER

Is x < y?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Puneethrao

01 Nov 2013, 01:01

14

8

6,320

by: bumpbot

20 Jul 2025, 19:19

ER

Is x > 3? (1) The sum of x and the square of x is 12 (2) x^2 > 9

605-655 (Medium) | Algebra, Inequalities

605-655 (Medium) | Algebra, Inequalities hide tags

Bunuel

08 Oct 2015, 07:43

22

7

6,741

by: bumpbot

20 Jul 2025, 18:58

ER

What is the value of x? (1) |2x − 1| = 3x + 6 (2) x^2 = 1

655-705 (Hard) | Absolute Values, Algebra

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

Bunuel

24 Apr 2017, 04:21

39

8

8,412

by: bumpbot

20 Jul 2025, 17:49

ER

In the equation x^2 + 2xy + y^2 = 144, is x positive? (1) y = 4 (2) x

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

15 Jul 2022, 01:30

12

2

1,807

by: bumpbot

20 Jul 2025, 17:41

ER

What is the value of j + k? (1) mj + mk = 2m (2) 5j + 5k = 10

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

24 Oct 2022, 08:59

16

4

2,173

by: bumpbot

20 Jul 2025, 17:36

ER

What is the value of x? 1) x^2 + x + 10 = 16 2) x = 4y^4+2y^2+2

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

GMAT4937

26 Jan 2016, 14:15

140

17

25,065

by: bumpbot

20 Jul 2025, 17:31

ER

A certain car rental agency rented 25 vehicles yesterday, each of whic

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

17 Apr 2015, 04:55

30

11

6,302

by: bumpbot

20 Jul 2025, 17:20

ER

In an adventure sports club, Silver class membership is awarded to

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

03 Jul 2024, 01:30

11

5

1,915

by: bumpbot

20 Jul 2025, 12:42

ER

In a certain school district, math teachers are considered qualified

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

27 Oct 2021, 08:00

13

4

3,792

by: bumpbot

20 Jul 2025, 12:38