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

78,651

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

188,477

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

487,865

by: bb

29 Aug 2025, 13:27

ER

Is (x + y)/2 an integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

25 Jun 2017, 03:34

14

6

4,324

by: Bunuel

05 Aug 2023, 01:01

ER

Is 3^x < x^3? (1) 3^x > 1 (2) 0 < x < 1

655-705 (Hard) | Exponents, Inequalities

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

Bunuel

10 Sep 2017, 21:46

11

4,398

by: bumpbot

02 Aug 2023, 22:19

ER

If C and D are unique integers, does C = 0?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

17 Feb 2015, 09:17

13

9

6,089

by: bumpbot

02 Aug 2023, 05:43

ER

Question of the week - 45(If A, B, C are three consecutive even .....)

805+ (Hard) | Absolute Values, Number Properties

805+ (Hard) | Absolute Values, Number Properties hide tags

EgmatQuantExpert

26 Jun 2019, 01:52

34

12

5,047

by: bumpbot

30 Jul 2023, 03:14

ER

Two line l and k intersect at a point (4, 3). Is the product of their

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

PathFinder007

12 Jan 2015, 12:19

47

11

10,272

by: bumpbot

29 Jul 2023, 23:30

ER

If x ≠ 0, what is the value of (x^m/x^n)^p ?

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

Bunuel

17 Oct 2020, 12:59

1

6

1,748

by: hellypatel

28 Jul 2023, 01:32

ER

In the second-degree equation x^2-14x+m = 0, the constant m is a posit

705-805 (Hard) | Algebra +2 tags

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

fskilnik

18 Feb 2019, 06:54

8

6,462

by: bumpbot

26 Jul 2023, 03:11

ER

How many even integers N exist such that x < N < x + 10?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

lmuenzel

27 Jan 2017, 04:35

49

12

10,023

by: bumpbot

23 Jul 2023, 21:49

ER

If y > 0, is (y^3 – y) divisible by 4?

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

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

zisis

26 Aug 2010, 05:31

12

14

6,108

by: bumpbot

22 Jul 2023, 14:38

ER

If p^2 is an integer and (p^6-p^4-q-1)^(1/2) = 10 what is the value of

805+ (Hard) | Algebra +2 tags

805+ (Hard) | Algebra, Exponents, Roots hide tags

Carcass

24 Jan 2022, 07:49

7

4

2,010

by: bumpbot

21 Jul 2023, 08:08

ER

Is x*y^2 < 0? (1) |x| = -x (2) y^3 = 8

655-705 (Hard) | Absolute Values, Inequalities

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

GMATBusters

27 Apr 2020, 06:24

8

7

2,777

by: Bunuel

19 Jul 2023, 03:24

ER

Is x = y? (1) ax = ay (2) a^2x = a^2y

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

kamathimanshu

27 Jun 2021, 23:43

37

9

13,859

by: gmatophobia

18 Jul 2023, 23:00

ER

In xy-coordinate plane, lines j and k intersect at the point (5, 0)

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

BrentGMATPrepNow

10 Jun 2017, 14:20

49

12

8,620

by: Spanda3285

18 Jul 2023, 08:58

ER

What is the area of the circle with center C, shown above?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Mani2879

02 Sep 2018, 02:42

13

4

3,871

by: bumpbot

16 Jul 2023, 12:57

ER

In the figure shown, the circle has center O and radius 50

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

1, 2

ajit257

03 Jan 2011, 18:18

48

21

26,212

by: bumpbot

14 Jul 2023, 23:08

ER

Is the triangle depicted above isosceles?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Asifpirlo

22 Aug 2013, 01:58

14

10

7,505

by: bumpbot

13 Jul 2023, 20:47

ER

Is the integer y a multiple of 4?

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

Carcass

11 Oct 2012, 11:25

18

7

7,148

by: bumpbot

12 Jul 2023, 11:08

ER

If x is a positive integer, find the value of x? 1) sum of x consecut

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

GMATinsight

09 Jul 2023, 01:41

4

8

1,684

by: IanStewart

09 Jul 2023, 09:58

ER

Is y < z ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Gnpth

07 Aug 2014, 11:37

9

11

4,118

by: bumpbot

05 Jul 2023, 05:16

ER

For any integers x and y, min(x, y) and max(x, y) denote the minimum a

605-655 (Medium) | Algebra +2 tags

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

saswata4s

22 Mar 2018, 19:33

43

9

7,680

by: MayankThapar

05 Jul 2023, 04:05

ER

For real numbers a and b, is it true that a = b?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

yudiwan

25 Jul 2016, 18:25

43

16

19,891

by: rxb266

04 Jul 2023, 02:15

ER

If a and b are positive integers less than 10, what is the mode of the

655-705 (Hard) | Combinations +2 tags

655-705 (Hard) | Combinations, Multiples and Factors, Statistics and Sets Problems hide tags

Bunuel

23 Jul 2018, 01:47

33

8

8,601

by: bumpbot

01 Jul 2023, 04:33

ER

What is the perimeter of isosceles triangle ABC?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

1, 2

GMATT73

19 Jul 2012, 02:36

123

20

46,392

by: bumpbot

29 Jun 2023, 06:57

ER

In the triangle above, DE is parallel to AC. What is the length of DE?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

10 Jun 2015, 04:12

21

8

26,228

by: bumpbot

29 Jun 2023, 04:00

ER

If x, y, and z are three positive consecutive odd integers, what is th

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

23 May 2020, 08:26

17

12

9,247

by: bumpbot

27 Jun 2023, 07:04

ER

Is x > 1? (1) |x − 4| < −2x + 3 (2) |x − 4| > |x + 4|

805+ (Hard) | Absolute Values, Inequalities

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

Bunuel

01 Dec 2021, 03:00

9

6

3,342

by: HoudaSR

18 Jun 2023, 08:50

ER

If both A and B are 2-digit even numbers, what is the value of A?

655-705 (Hard) | Fractions and Ratios

655-705 (Hard) | Fractions and Ratios hide tags

chetan2u

27 Jul 2018, 22:04

13

14

3,519

by: bumpbot

18 Jun 2023, 03:39

ER

For integers x, b and c, x^2 + bx + c = 0. Is x > 0?

655-705 (Hard) | Algebra, Inequalities

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

Bunuel

09 Feb 2017, 01:23

38

9

7,954

by: bumpbot

17 Jun 2023, 06:02

ER

What is the value of |a - b| ? (1) a^2 - b^2 = 9 (1) a^2 + b^2 = 15

655-705 (Hard) | Absolute Values, Algebra

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

Bunuel

02 Mar 2018, 01:06

26

13

7,532

by: bumpbot

17 Jun 2023, 04:02

ER

Is the product abcd negative?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

23 Nov 2016, 03:15

18

8

6,587

by: bumpbot

16 Jun 2023, 17:26

ER

Is x < 0? (1) x^3 + x^2 + x + 2 = 0 (2) x^2 - x - 2 < 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

idontknowwhy94

07 Oct 2016, 10:34

8

10

3,692

by: bumpbot

13 Jun 2023, 03:48

ER

Does regular polygon X have more than 6 sides?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

21 Jul 2017, 05:01

21

10

6,749

by: bumpbot

12 Jun 2023, 21:52

ER

If ac/(db) < 0, is d – b < 0 ?

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

29 Apr 2016, 04:01

16

9

4,385

by: Bunuel

12 Jun 2023, 08:09

ER

If x and y are both positive integers, is xy >= 250?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

20 Mar 2018, 06:39

3

7

1,957

by: Bunuel

08 Jun 2023, 06:46

ER

Are both of the integers x and y divisible by 3? (1) x + y and x – y

555-605 (Medium) | Multiples and Factors

555-605 (Medium) | Multiples and Factors hide tags

Bunuel

23 May 2020, 08:31

34

10

9,545

by: Bunuel

07 Jun 2023, 01:07

ER

Does the line x + y = 6 intersect or touch the circle C with radius 5

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Bunuel

01 Feb 2021, 01:15

11

9

6,141

by: bumpbot

04 Jun 2023, 01:46

ER

In the triangle above, does a^2 + b^2 = c^2 ?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

03 Jan 2014, 06:20

19

7

17,623

by: bumpbot

03 Jun 2023, 10:34

ER

Is y > z? (1) -y > 2z (2) z > -2y

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

09 Apr 2018, 04:48

8

6

2,952

by: bumpbot

31 May 2023, 04:42

ER

Is a positive integer x a prime number?

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

MathRevolution

04 Aug 2016, 19:25

15

9

5,243

by: bumpbot

30 May 2023, 04:14

ER

If x^3y^4 = 5,000, is y = 5? (1) y is a positive integer.

705-805 (Hard) | Algebra +2 tags

705-805 (Hard) | Algebra, Exponents, Number Properties hide tags

Economist

08 Sep 2023, 08:02

97

11

29,220

by: bumpbot

30 May 2023, 04:11

ER

The figure above represents a rectangular garden bordered by a

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

NoHalfMeasures

04 Jun 2014, 09:39

51

12

16,867

by: bumpbot

29 May 2023, 11:00

ER

In the figure above, if the length of MO is 10, is MNO an equilateral

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

05 Nov 2021, 01:30

5

9

3,361

by: Jarvis07

28 May 2023, 04:00

ER

Mastering Important Concepts in Triangles - Exercise Question #1

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

EgmatQuantExpert

07 Aug 2018, 06:00

82

9

12,178

by: nivivacious2

25 May 2023, 00:57

ER

Is quadrilateral ABCD a square? (1) A = C = 90º (2) AB = AD

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

14 Feb 2018, 03:44

60

9

9,269

by: bumpbot

14 May 2023, 07:07

ER

Is quadrilateral ABCD a parallelogram?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

anant07

19 Nov 2014, 00:31

36

10

12,783

by: bumpbot

14 May 2023, 06:53

ER

In the rectangular coordinate system above, if OQ >= PQ, is

705-805 (Hard) | Coordinate Plane, Geometry

705-805 (Hard) | Coordinate Plane, Geometry hide tags

PrateekDua

27 Sep 2013, 10:44

25

8

7,943

by: bumpbot

09 May 2023, 06:02

ER

What is x ? (1) x^2 - 1 = x + 1 (2) x + 3 is a prime number

605-655 (Medium) | Algebra, Number Properties

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

Bunuel

14 Aug 2017, 09:22

9

8

5,172

by: Bunuel

07 May 2023, 06:59

ER

If x, y and z are positive integers, is (x - y)(y - z)(x - z) > 0?

655-705 (Hard) | Algebra, Inequalities

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

Bunuel

04 Nov 2019, 00:04

13

7

6,844

by: Bunuel

06 May 2023, 01:27

ER

If x and y are integers, and x ≠ 0, what is the value of x^y?

555-605 (Medium) | Exponents, Number Properties

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

Bunuel

02 Jun 2015, 07:03

26

9

7,401

by: bumpbot

05 May 2023, 11:22

ER

What is the area of rectangle ABCD? (1) Diagonal AC is twice as long

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

26 Mar 2020, 00:09

6

3

6,620

by: SaquibHGMATWhiz

04 May 2023, 21:42