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

78,718

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

188,529

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

487,940

by: bb

29 Aug 2025, 13:27

ER

P is a two-digit integer, which can be written as 30a + b, where a and

605-655 (Medium) | Number Properties, Remainders

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

EgmatQuantExpert

21 Nov 2018, 03:57

10

7

4,815

by: bumpbot

10 Feb 2023, 13:57

ER

What is the remainder when the positive integer N is divided by 12?

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

alphonsa

30 May 2016, 14:15

6

7

6,812

by: bumpbot

14 Feb 2023, 06:30

ER

Does line Ax + By + C = 0 (A is not 0) intersect the x-axis

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

bmwhype2

13 Nov 2013, 02:03

47

10

15,756

by: bumpbot

17 Feb 2023, 04:16

ER

HOT Competition 27 Aug/8AM: What is the value of positive integer q?

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

Bunuel

27 Aug 2020, 08:00

51

14

8,815

by: bumpbot

18 Feb 2023, 05:25

ER

Is x < 10 < y? (1) x < y and xy = 100 (2) x^2 < 100 < y^2

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

Bunuel

08 Feb 2021, 09:00

9

6

3,064

by: Bunuel

25 Feb 2023, 11:24

ER

If set T was derived from set S when all elements of set S w

555-605 (Medium) | Statistics and Sets Problems

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

dennis14

26 Feb 2023, 13:15

9

11

6,607

by: Bunuel

26 Feb 2023, 13:15

ER

z is an integer such that |z| < 6. Is z positive? (1) |z - 2| > 3 (2)

705-805 (Hard) | Absolute Values, Inequalities

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

Bunuel

20 Feb 2023, 06:31

3

8

2,594

by: SaquibHGMATWhiz

28 Feb 2023, 23:49

ER

What is the value of integer n? (1) 0.1 < 0.05n < 0.3 (2) 0.2 < 0.1n

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

25 Feb 2023, 09:36

2

6

1,898

by: Bunuel

09 Mar 2023, 05:42

ER

What is the equation of the line k that is perpendicular to line y = 2

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

gmatcraze

29 Aug 2008, 09:49

21

16

9,823

by: Bunuel

10 Mar 2023, 04:30

ER

Is 1 > |x - 1| ? (1) (x - 1)^2 > 1 (2) 0 > x

655-705 (Hard) | Absolute Values, Inequalities

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

Hussain15

14 Jul 2010, 06:36

19

7

6,351

by: bumpbot

13 Mar 2023, 09:53

ER

Is t =|r - s|? (1) 3r > 3s (2) t = r -s

605-655 (Medium) | Absolute Values, Inequalities

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

Gmatprep550

22 Jan 2019, 00:47

24

17

4,117

by: bumpbot

15 Mar 2023, 05:22

ER

If x and y are non-zero integers, what is the value of (x^2y 1) ?

805+ (Hard) | Absolute Values, Exponents

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

Bunuel

01 Oct 2018, 04:43

12

8

3,226

by: Bunuel

18 Mar 2023, 11:56

ER

Is xy<0 ? (1) x^3*y^5/x*y^2 <0 (2) |x|-|y|<|x-y

805+ (Hard) | Absolute Values, Inequalities

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

Bunuel

05 Jul 2013, 15:21

99

13

18,994

by: bumpbot

25 Mar 2023, 23:02

ER

What is the value of z in the figure above?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

parkhydel

28 Apr 2020, 08:06

16

8

14,118

by: bumpbot

26 Mar 2023, 11:09

ER

If z = x^n – 19, is z divisible by 9?

555-605 (Medium) | Exponents +2 tags

555-605 (Medium) | Exponents, Multiples and Factors, Number Properties hide tags

rajatr

25 Apr 2013, 01:55

30

7

12,773

by: bumpbot

29 Mar 2023, 23:59

ER

What is the perimeter of isosceles triangle MNP?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

14 Jun 2012, 03:13

69

6

38,202

by: bumpbot

01 Apr 2023, 07:10

ER

In the figure above, the circles are centered at O(0, 0) and

805+ (Hard) | Coordinate Plane, Geometry

805+ (Hard) | Coordinate Plane, Geometry hide tags

AccipiterQ

29 Oct 2013, 13:11

168

15

25,177

by: bumpbot

11 Apr 2023, 23:12

ER

If triangle ABC is an isosceles triangle

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

mikemcgarry

05 Nov 2012, 12:37

9

11

10,822

by: bumpbot

13 Apr 2023, 23:43

ER

The length of each side of equilateral triangle M is 3 times the lengt

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

20 May 2019, 00:05

18

11

5,217

by: bumpbot

15 Apr 2023, 11:25

ER

If a is an integer, what is the units digit of a^18?

655-705 (Hard) | Exponents

655-705 (Hard) | Exponents hide tags

anceer

25 Nov 2014, 21:48

19

7

5,550

by: bumpbot

18 Apr 2023, 05:25

ER

If r and s are each greater than 0, is (r + n)/(s + n) >

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

hariharakarthi

13 Dec 2012, 08:05

9

11

5,557

by: bumpbot

20 Apr 2023, 03:39

ER

If [x] denotes the largest integer smaller than x, is [x]>[x]?

805+ (Hard) | Functions and Custom Characters

805+ (Hard) | Functions and Custom Characters hide tags

PathFinder007

14 Jul 2015, 10:44

32

7

8,648

by: Bunuel

25 Apr 2023, 00:52

ER

If p is a positive integer, is p > 4 ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

20 Jun 2020, 04:43

6

7

5,028

by: bumpbot

01 May 2023, 21:10

ER

Is triangle ABC with sides a, b and c acute angled?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

itisSheldon

15 Apr 2018, 00:15

41

12

10,886

by: bumpbot

06 May 2023, 14:35

ER

Is the length of the diagonal of the rectangle greater than 6^(1/2)

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

vivaslluis

01 Nov 2010, 05:41

43

4

10,801

by: Bunuel

07 May 2023, 06:45

ER

Is |x 6| > 5 ? (1) x is an integer (2) x^2 < 1

555-605 (Medium) | Absolute Values, Inequalities

555-605 (Medium) | Absolute Values, Inequalities hide tags

Apex231

16 Jan 2012, 22:50

18

6

10,462

by: Bunuel

08 May 2023, 15:38

ER

If m and n are non-negative integers, what is the units digi

605-655 (Medium) | Exponents, Number Properties

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

shekar123

29 Aug 2017, 06:03

6

5

8,637

by: Bunuel

09 May 2023, 07:24

ER

At a hospital, babies are born every day for a certain number of days.

805+ (Hard) | Percent and Interest Problems

805+ (Hard) | Percent and Interest Problems hide tags

BillyZ

09 Mar 2017, 22:39

27

9

5,791

by: Ahmed31

13 May 2023, 00:44

ER

Is x^n/x^(n+1) > x^(n+1)/x^n?

655-705 (Hard) | Exponents, Inequalities

655-705 (Hard) | Exponents, Inequalities hide tags

tejal777

19 Apr 2017, 11:54

39

17

9,933

by: bumpbot

13 May 2023, 03:32

ER

Joan spent $10 to buy at least one piece each of apples and oranges at

555-605 (Medium) | Algebra +2 tags

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

EgmatQuantExpert

23 May 2017, 07:07

9

7

4,779

by: bumpbot

16 May 2023, 07:05

ER

If x and y are positive, which is greater between A and B?

655-705 (Hard) | Algebra, Exponents

655-705 (Hard) | Algebra, Exponents hide tags

Bunuel

11 Nov 2019, 03:46

14

9

3,854

by: Fdambro294

18 May 2023, 21:12

ER

Is ab = 9c^2–4?

505-555 (Easy) | Multiples and Factors

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

Bunuel

12 Feb 2015, 07:07

21

13

6,639

by: bumpbot

25 May 2023, 16:03

ER

Three different numbers have a product that is greater than

705-805 (Hard) | Inequalities +2 tags

705-805 (Hard) | Inequalities, Multiples and Factors, Word Problems hide tags

fskilnik

20 Feb 2019, 07:11

5

6

2,353

by: IanStewart

28 May 2023, 06:44

ER

If x, y and z are integers and x – y – z < 0, is

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

BrentGMATPrepNow

22 Mar 2017, 10:52

19

12

3,816

by: gmatophobia

28 May 2023, 22:23

ER

Is x^3 < 3^y ? (1) 5^x = 1/25 (2) y^5 = -32

555-605 (Medium) | Exponents, Inequalities

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

Bunuel

28 May 2015, 07:28

18

10

5,301

by: bumpbot

05 Jun 2023, 19:46

ER

If x 0, what is the value of x ? (1) |x^x| = 1 (2) x^5 = x^x

655-705 (Hard) | Absolute Values, Exponents

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

Bunuel

20 May 2018, 14:22

28

12

6,913

by: bumpbot

07 Jun 2023, 22:46

ER

If x, y, and z are integers greater than 0 and x = y + z, what is the

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

amirdubai1982

11 Nov 2010, 02:55

10

9

5,257

by: bumpbot

08 Jun 2023, 02:19

ER

Is rw = 0?

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

BrainLab

19 Sep 2015, 14:51

43

12

28,009

by: bumpbot

11 Jun 2023, 06:22

ER

If a = 3bc, what is the value of c?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

werbliben

05 Jan 2014, 06:36

13

12

7,879

by: bumpbot

18 Jun 2023, 10:57

ER

Is CB||ED? (1) ABC and AED are both isosceles triangles (2) C = E

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

BrentGMATPrepNow

10 Jun 2018, 06:17

13

8

3,289

by: bumpbot

22 Jun 2023, 00:36

ER

Given that x, y, z are distinct integers and that xyz 0, what is the

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

15 Jun 2023, 01:30

9

8

1,988

by: Bunuel

24 Jun 2023, 12:11

ER

In the figure above, what is the value of z?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

walker

19 Jul 2016, 08:56

44

8

28,290

by: Saakshi2407

24 Jun 2023, 15:14

ER

Is 0 < y < 1 ? (1) 0 < y^(1/2) < 1 (2) y^2 = 1/4

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Carcass

14 Sep 2012, 18:48

24

13

12,459

by: bumpbot

25 Jun 2023, 01:46

ER

In the ﬁgure shown, lines k and m are parallel to each other. Is x = z

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

WillGetIt

18 Jul 2015, 01:43

188

14

31,652

by: bumpbot

29 Jun 2023, 03:53

ER

Are the integers z and f to the right of 0 on the number

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

enigma123

21 Mar 2012, 12:33

20

6

10,710

by: bumpbot

03 Jul 2023, 07:02

ER

What is the value of t? (1) t(t - 1)^2 = 4t (2) t is an even integer

555-605 (Medium) | Algebra +2 tags

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

Bunuel

09 Oct 2020, 00:15

21

11

5,369

by: Bunuel

08 Jul 2023, 09:57

ER

Is 0< a/b < 1?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

jenl2881

13 Nov 2013, 16:17

17

8

7,813

by: bumpbot

12 Jul 2023, 11:05

ER

N is a positive integer. Is n the square of an integer?

655-705 (Hard) | Exponents

655-705 (Hard) | Exponents hide tags

MathRevolution

20 Jan 2016, 21:48

33

11

7,798

by: bumpbot

14 Jul 2023, 09:12

ER

ABC is a right triangle with right angle at point B. If the ratio of

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

21 May 2015, 04:59

32

16

11,773

by: unraveled

22 Jul 2023, 02:51

ER

Find integer W. (1) W is a prime solution of (|W|)!=|W| (2)

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

stolyar

03 Jul 2013, 06:47

32

13

7,674

by: bumpbot

23 Jul 2023, 09:06