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

78,623

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

188,460

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

487,842

by: bb

29 Aug 2025, 13:27

ER

Before play-offs, a certain team had won 80 percent of its games. Afte

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

boomtangboy

23 May 2022, 08:56

61

10

16,526

by: KarishmaB

07 Aug 2025, 04:28

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

469

30

53,781

by: bumpbot

13 Nov 2025, 20:54

ER

Bowls X and Y each contained exactly 2 jelly beans, each of which was

605-655 (Medium) | Combinations

605-655 (Medium) | Combinations hide tags

boomtangboy

08 Apr 2012, 09:44

184

14

39,798

by: bumpbot

04 Jul 2025, 12:08

ER

Does p^2 = q if p is a prime number?

655-705 (Hard) | Algebra, Number Properties

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

babusona

26 Apr 2016, 07:26

9

11

8,591

by: bumpbot

07 Sep 2020, 01:10

ER

If A, B and C are digits and AB 0, what is the value of B?

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

babusona

31 Jan 2023, 12:55

84

11

20,831

by: Reetisha

18 Dec 2025, 22:53

ER

If x^(1/3) is a positive integer, does x^(1/3) have more than two dist

655-705 (Hard) | Exponents, Multiples and Factors

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

alphabeta1234

08 Apr 2012, 19:36

22

6

6,118

by: bumpbot

11 Sep 2025, 03:11

ER

In the last two years, each of Jeremys six children grew in

505-555 (Easy) | Statistics and Sets Problems

505-555 (Easy) | Statistics and Sets Problems hide tags

metallicafan

12 Apr 2012, 16:05

8

2

5,313

by: bumpbot

11 Jan 2024, 00:30

ER

What is the value of |x|

605-655 (Medium) | Absolute Values, Algebra

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

maheshsrini

12 Apr 2012, 21:55

16

9

6,812

by: natheodore

31 Jan 2022, 22:17

ER

If a, b, and c are positive numbers, is a < b < c?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Smita04

13 Apr 2012, 22:21

1

3

3,462

by: MathRevolution

26 Nov 2017, 11:25

ER

The workers at a large construction company reported x

655-705 (Hard) | Algebra, Percent and Interest Problems

655-705 (Hard) | Algebra, Percent and Interest Problems hide tags

rpamecha

14 Apr 2012, 11:57

32

4

9,891

by: bumpbot

19 Jul 2025, 18:02

What is the volume of air inside empty rectangular cuboid?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

gmihir

15 Apr 2012, 20:55

14

3

8,280

by: teezzaayy

15 Sep 2022, 08:03

ER

If a certain charity collected a total of 360 books, videos

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

rohitgoel15

16 Apr 2012, 09:37

47

13

23,363

by: bumpbot

05 Feb 2025, 12:50

ER

If x is positive, is x > 3 ? (1) (x - 1)^2 > 4 (2) (x - 2)^2 > 9

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

1, 2

rohitgoel15

05 Jun 2019, 05:52

335

22

79,477

by: totaltestprepNick

01 Mar 2026, 14:18

ER

If a group of 5 skilled workers take 3 hours to finish a job

505-555 (Easy) | Work and Rate Problems

505-555 (Easy) | Work and Rate Problems hide tags

kalita

17 Apr 2012, 01:15

15

4

24,455

by: bumpbot

24 Jun 2025, 22:35

ER

‎[x] denotes to be the least integer no less than x. Is [2d]

655-705 (Hard) | Functions and Custom Characters

655-705 (Hard) | Functions and Custom Characters hide tags

Smita04

17 Apr 2012, 19:53

176

13

25,022

by: bumpbot

23 Dec 2025, 08:42

ER

If x does not equal 0 what is the value of (x^p/x^q)^2

Poor Quality

Poor Quality hide tags

Viking81

18 Apr 2012, 01:48

2

3

5,755

by: aalba005

23 Apr 2012, 12:13

ER

a, b, and c are three integers such that a and b are less

705-805 (Hard) | Multiples and Factors, Number Properties

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

Carcass

18 Apr 2012, 06:05

25

11

7,777

by: bumpbot

28 Jul 2025, 11:31

ER

If the only stocks that an investor owns are 75 shares of

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

rpamecha

18 Apr 2012, 11:02

3

7,100

by: bumpbot

17 Dec 2025, 00:49

ER

A certain store sells chairs individually or in sets of 6. The store

505-555 (Easy) | Percent and Interest Problems

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

TomB

18 Apr 2012, 20:52

55

6

16,743

by: MartyMurray

26 Feb 2026, 10:34

ER

If p q and r are integers, is p+q+r> 0 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Carcass

19 Apr 2012, 03:20

21

7

6,430

by: bumpbot

03 Aug 2022, 05:42

ER

Is quadrilateral RSTV a rectangle?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

shikhar

09 Jan 2019, 02:10

115

17

22,514

by: bumpbot

11 Sep 2025, 05:27

ER

At a charity fundraiser, 180 of the guests had a house both

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

calreg11

20 Apr 2012, 17:36

63

19

27,647

by: bumpbot

09 Aug 2025, 01:02

ER

Is m > k? (1) 3m > 3k (2) 2m > 2k

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

rpamecha

21 Apr 2012, 15:27

6

3

13,644

by: bumpbot

12 Jan 2023, 00:29

ER

Is the positive integer n equal to the square of an integer?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

shikhar

22 Apr 2012, 01:38

46

6

15,306

by: PSD927

11 Sep 2025, 06:15

ER

A local hamburger restaurant is offering a promotion whereby

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

dzodzo85

23 Apr 2012, 02:44

5

6

6,148

by: bumpbot

29 Sep 2018, 06:00

ER

John purchased large bottles of water for $2 each and small

655-705 (Hard) | Percent and Interest Problems, Word Problems

655-705 (Hard) | Percent and Interest Problems, Word Problems hide tags

dzodzo85

23 Apr 2012, 05:12

33

13

9,850

by: bumpbot

14 Oct 2025, 03:03

ER

If x and s are both positive integers, is the product of x and s even?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

dzodzo85

23 Apr 2012, 05:43

11

12

5,322

by: bumpbot

21 Apr 2024, 09:18

ER

Jerry bought 7 clothing items, including a coat, and the sum

505-555 (Easy) | Statistics and Sets Problems, Word Problems

505-555 (Easy) | Statistics and Sets Problems, Word Problems hide tags

gayathriz

11 Jun 2013, 06:24

34

4

17,628

by: werty_123

01 Feb 2025, 23:58

ER

In the xy-plane, line a and line b have the same slope. If the y-inter

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

monir6000

19 Aug 2018, 09:00

48

11

17,351

by: bumpbot

15 Apr 2023, 09:40

ER

In the xy plane does the point (a, b) lie above the line y=x

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

monir6000

24 Apr 2012, 20:59

53

7

17,438

by: bumpbot

15 Dec 2023, 01:24

ER

Is r > -1 ? (1) r > -5 (2) r < 16

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

eybrj2

24 Apr 2012, 21:34

4

4,578

by: bumpbot

10 Dec 2023, 06:50

ER

If x is a positive number less than 10, is z less than the

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

metallicafan

25 Apr 2012, 11:22

39

17

10,602

by: Bunuel

06 May 2025, 00:06

ER

S is a set of integers such that I. If x is in S, then x is in S.

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

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

conty911

20 Sep 2024, 00:34

17

9

7,859

by: Bunuel

28 Feb 2026, 12:10

ER

Let denote a mathematical operation. Is it true that x y

Poor Quality

Poor Quality hide tags

conty911

25 Apr 2012, 22:35

4

3

6,549

by: Bunuel

30 Oct 2013, 07:59

ER

n consecutive integers are selected from the integers

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

hfbamafan

25 Apr 2012, 22:51

55

10

10,367

by: bumpbot

16 Nov 2025, 09:40

ER

Is xy = -1 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

sugu86

27 May 2014, 00:54

4

7

4,618

by: bumpbot

08 Aug 2015, 10:37

ER

If m is a positive odd integer between 2 and 30, then m is

705-805 (Hard) | Multiples and Factors

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

kashishh

26 Apr 2012, 02:54

91

8

17,477

by: bumpbot

28 Dec 2025, 08:25

ER

Is n^2 + 2n an integer? (1) n^3 + 3n is an integer. (2) 2n

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Poor Quality hide tags

conty911

26 Apr 2012, 03:05

4

19

5,204

by: stne

13 Feb 2014, 07:15

ER

If x and y are integer, what is the remainder when x^2 + y^2

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

1, 2

kt750

26 Apr 2012, 21:56

635

29

70,234

by: bumpbot

21 Dec 2025, 11:33

ER

What is the remainder when n is divided by 15?

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Poor Quality hide tags

mithun2vrs

27 Apr 2012, 11:03

9

5

9,885

by: Bunuel

12 Jun 2012, 04:56

ER

A trapezoid is symmetrical about a vertical center line. If

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

AbhiJ

27 Apr 2012, 12:26

64

18

12,422

by: bumpbot

24 Aug 2023, 02:26

ER

Do the diagonals of a quadrilateral ABCD bisect each other

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

mydreammba

28 Apr 2012, 06:51

8

13

9,261

by: qlx

30 Apr 2014, 09:19

ER

If 1 < d < 2, is the tenths’ digit of the decimal representation of d

555-605 (Medium) | Fractions and Ratios, Inequalities

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

boomtangboy

28 Apr 2012, 22:02

149

13

32,117

by: bumpbot

10 Aug 2025, 04:44

ER

Are at least 80 percent of the people in Country X

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

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

metallicafan

30 Apr 2012, 18:18

21

8

8,353

by: bumpbot

27 Aug 2023, 06:53

ER

Is the positive integer n an odd integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Stiv

01 May 2012, 01:13

23

5

16,148

by: bumpbot

12 Nov 2024, 01:44

ER

Does nm =40? (1) 10/n = m/4 (2) 5n = 20 and 8m = 80

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

GMATD11

08 Nov 2018, 04:18

2

4

8,488

by: graber5989

12 Mar 2022, 07:27

ER

If k is a positive integer and n=7.049*10^k, what is the val

555-605 (Medium) | Algebra, Exponents

555-605 (Medium) | Algebra, Exponents hide tags

GMATD11

01 May 2012, 02:19

17

3

11,425

by: bumpbot

28 Mar 2025, 09:44

ER

To install cable television in a home, a certain cable company charges

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Stiv

21 Oct 2019, 02:28

48

6

15,783

by: bumpbot

06 Dec 2025, 16:17

ER

What is the median number of employees assigned per project

555-605 (Medium) | Statistics and Sets Problems

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

1, 2

ITIZCODE

04 May 2012, 02:26

876

28

98,017

by: RAZANMURADI

09 Jun 2025, 07:30

ER

If the three-digit integer x=”abc”, where a, b, and c

555-605 (Medium) | Fractions and Ratios

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

BDSunDevil

04 May 2012, 07:21

63

9

13,452

by: bumpbot

25 Jan 2025, 03:36