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

78,694

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

856

24

188,508

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

487,916

by: bb

29 Aug 2025, 13:27

ER

If f and g are integers, is fg + 2 prime?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

aditi1903

12 Oct 2012, 00:40

15

8

8,525

by: bumpbot

07 Aug 2025, 06:48

ER

Does the product jkmn equal 1?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

paki

07 Oct 2022, 08:18

13

8

16,103

by: bumpbot

05 Aug 2025, 10:17

ER

If x is an integer and |x - 3| + |x + 4| <= |x + 8|, what is the value

805+ (Hard) | Absolute Values, Inequalities

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

Bunuel

10 Jan 2021, 12:37

26

8

4,454

by: bumpbot

05 Aug 2025, 04:23

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

655-705 (Hard) | Multiples and Factors

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

sahuamit91

05 Sep 2017, 10:40

61

8

9,783

by: bumpbot

03 Aug 2025, 06:27

ER

At a certain university, if 50 percent of the people who inquire about

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

02 Nov 2022, 01:30

36

8

10,787

by: sanjitscorps18

02 Aug 2025, 00:45

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If y is an integer and y = |x| + x, is y = 0?

655-705 (Hard) | Absolute Values, Inequalities

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

Fijisurf

14 Dec 2010, 22:03

172

8

42,175

by: bumpbot

29 Jul 2025, 23:04

ER

At a bakery, cakes are sold every day for a certain number of days. If

805+ (Hard) | Statistics and Sets Problems

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

Bunuel

14 May 2017, 10:51

27

8

9,467

by: bumpbot

28 Jul 2025, 11:01

ER

Is 1/(a + b) > b - a?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

23 Mar 2017, 06:07

11

8

3,234

by: aaronmart14

25 Jul 2025, 14:46

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Is x = 4? (1) |x + 2| < 10 (2) |x + 5| > 10

605-655 (Medium) | Absolute Values, Inequalities

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

Bunuel

20 Apr 2018, 06:14

20

8

6,271

by: bumpbot

24 Jul 2025, 08:51

ER

A number is to be written in each of the small squares in the figure

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

23 May 2020, 08:36

18

8

7,858

by: bumpbot

24 Jul 2025, 06:13

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

5,305

by: bumpbot

23 Jul 2025, 06:06

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

28,420

by: bumpbot

22 Jul 2025, 07:15

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

8,205

by: bumpbot

21 Jul 2025, 03:29

ER

Is x < y?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Puneethrao

01 Nov 2013, 01:01

14

8

6,276

by: bumpbot

20 Jul 2025, 19:19

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

705-805 (Hard) | Absolute Values, Algebra

705-805 (Hard) | Absolute Values, Algebra hide tags

Bunuel

24 Apr 2017, 04:21

39

8

8,383

by: bumpbot

20 Jul 2025, 17:49

ER

What is the value of x?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Shalabh09

01 May 2015, 06:32

17

8

4,149

by: bumpbot

19 Jul 2025, 19:10

ER

If a and b are positive itegers, what is the value of a + b?

505-555 (Easy) | Multiples and Factors, Number Properties

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

Stiv

02 Jul 2012, 03:47

62

8

16,276

by: bumpbot

19 Jul 2025, 15:43

ER

Last year 4/5 of the applicants for a job on a police force passed the

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

16 Dec 2014, 05:47

11

8

7,103

by: bumpbot

18 Jul 2025, 04:34

ER

Lee has three separate savings accounts. What is the total amount of

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

guddo

24 Jan 2024, 01:33

65

8

9,850

by: monarchme

18 Jul 2025, 01:19

ER

If n is a positive integer greater than 1, what is the smallest positi

805+ (Hard) | Multiples and Factors, Number Properties

805+ (Hard) | Multiples and Factors, Number Properties hide tags

AbhiJ

15 Jul 2013, 08:40

34

8

9,987

by: bumpbot

17 Jul 2025, 20:27

ER

Each first-year student at a certain school selects either

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

enigma123

29 Mar 2012, 15:59

15

8

8,398

by: bumpbot

17 Jul 2025, 11:20

ER

If PQ is a two-digit positive integer, what is the value of PQ?

Sub 505 (Easy) | Arithmetic

Sub 505 (Easy) | Arithmetic hide tags

bmwhype2

03 Nov 2007, 14:44

10

8

9,838

by: bumpbot

17 Jul 2025, 04:31

ER

12 Days of Christmas GMAT Competition - Day 4: In country X, the annua

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

17 Dec 2021, 07:00

13

8

5,017

by: bumpbot

16 Jul 2025, 10:38

ER

Car X and car Y ran a 500-kilometer race. What was the average speed

505-555 (Easy) | Distance and Speed Problems

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

GMATBusters

07 Nov 2018, 09:52

25

8

7,256

by: bumpbot

16 Jul 2025, 05:11

ER

What is the hundreds digit of the integer Z?

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

Skywalker18

20 Jun 2016, 11:14

113

8

33,703

by: bumpbot

15 Jul 2025, 20:01

ER

In the sequence 1, 2, 4, 8, 16, 32, …, each term after the

605-655 (Medium) | Sequences

605-655 (Medium) | Sequences hide tags

dkverma

03 Nov 2010, 02:51

68

8

15,549

by: bumpbot

15 Jul 2025, 12:36

ER

In the sequence a1,a2,a3,…, an,an is determined for all values of n>2

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

Bunuel

29 Jan 2015, 08:35

22

8

8,851

by: bumpbot

08 Jul 2025, 15:02

ER

A farmer who grows strawberries defines a workday yield as the

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

10 Jun 2018, 05:20

13

8

6,874

by: rushimehta

08 Jul 2025, 09:30

ER

In a certain packinghouse, grapefruit are packed in bags and the bags

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

GMATBusters

16 Nov 2018, 09:36

19

8

10,578

by: bumpbot

07 Jul 2025, 21:34

ER

Harvey teaches a certain number of biology students in 2

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

bakfed

12 May 2010, 07:23

40

8

15,559

by: bumpbot

07 Jul 2025, 08:21

ER

A certain office has 6 employees. If R employees

655-705 (Hard) | Combinations

655-705 (Hard) | Combinations hide tags

BrentGMATPrepNow

24 Oct 2016, 09:36

22

8

6,467

by: bumpbot

06 Jul 2025, 05:43

ER

Around the World in 80 Questions (Day 7): When positive integer x is

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

Bunuel

25 Jul 2023, 08:00

31

8

5,294

by: bumpbot

04 Jul 2025, 22:41

ER

There is an arithmetic sequence An where n is a positive integer such

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

MathRevolution

08 Nov 2016, 02:15

11

8

4,073

by: bumpbot

03 Jul 2025, 05:08

ER

Is x equal to 5 ? (1) x ≥ 5 (2) x ≤ 5

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

23 Sep 2018, 21:25

11

8

8,164

by: bumpbot

01 Jul 2025, 13:19

ER

GMAT Club Olympics 2024 (Day 1): In a company, the average (arithmetic

805+ (Hard) | Statistics and Sets Problems

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

Bunuel

08 Jul 2024, 07:00

94

8

9,400

by: mvgkannan

01 Jul 2025, 11:22

ER

How many hours did it take Dale to drive from A-town to B-town?

555-605 (Medium) | Distance and Speed Problems

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

shrive555

20 Dec 2011, 07:47

54

8

16,399

by: bumpbot

24 Jun 2025, 22:06

ER

Three business partners shared all the proceeds from the sale of their

605-655 (Medium) | Fractions and Ratios

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

Bunuel

07 Oct 2014, 09:06

16

8

13,897

by: bumpbot

24 Jun 2025, 11:08

ER

If a, b, k, and m are positive integers, is a^k a factor of b^m?

505-555 (Easy) | Multiples and Factors

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

Bunuel

13 Jun 2019, 04:22

76

8

39,800

by: bumpbot

24 Jun 2025, 04:10

ER

If the symbol § represents one of the following operations:

705-805 (Hard) | Arithmetic

705-805 (Hard) | Arithmetic hide tags

mattycen

06 Oct 2013, 11:12

43

8

13,967

by: bumpbot

21 Jun 2025, 16:45

ER

At what point does the line ax + y + b = 0 intersect the y-axis?

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

Bunuel

20 Mar 2016, 11:20

23

8

11,168

by: bumpbot

21 Jun 2025, 09:15

ER

How many bags of grass seed were used for rectangular lawn X ?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

16 Dec 2014, 05:53

29

8

6,356

by: bumpbot

21 Jun 2025, 05:13

ER

A zoo has w wildebeests, y yaks, z zebras, and no other animals. If

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

07 Jul 2015, 02:44

34

8

7,305

by: bumpbot

19 Jun 2025, 23:11

ER

What was the population of City X in 2002 ? (1) X's population in 200

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

26 Apr 2019, 07:23

34

8

14,519

by: bumpbot

19 Jun 2025, 01:57

ER

If x and y are positive integers such that the product of x

655-705 (Hard) | Exponents, Number Properties

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

saikiranx

25 Nov 2012, 05:51

33

8

9,098

by: bumpbot

18 Jun 2025, 18:25

ER

Peter went to the store to buy paint. Small cans cost $30 and larger

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

mikemcgarry

19 Dec 2013, 11:03

14

8

10,119

by: bumpbot

18 Jun 2025, 11:26

ER

If ab ≠ 0 and ax – by < 0, is x < y ? (1) a = b (2) a^3 > 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

08 Sep 2021, 04:00

17

8

4,133

by: bumpbot

16 Jun 2025, 08:38

ER

If the function f is defined for all x by f(x)= ax^2+bx-43, where a an

605-655 (Medium) | Algebra, Functions and Custom Characters

605-655 (Medium) | Algebra, Functions and Custom Characters hide tags

Gmatdecoder

18 Dec 2014, 10:11

17

8

8,967

by: bumpbot

16 Jun 2025, 01:48

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

26,249

by: bumpbot

15 Jun 2025, 10:34

ER

The students of a class are to be arranged in rows, starting from numb

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

19 May 2020, 02:23

14

8

6,610

by: PietroCavallo

15 Jun 2025, 07:36

ER

If x is an integer, is x > 0?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Vijayeta

13 Aug 2014, 04:07

42

8

9,460

by: bumpbot

15 Jun 2025, 07:15