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

78,802

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

188,572

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

488,001

by: bb

29 Aug 2025, 13:27

ER

Is y = 7?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

09 Mar 2016, 13:34

14

16

5,902

by: bumpbot

14 Mar 2023, 12:43

ER

A triangle is inscribed in a circle. The length of one of its sides is

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

philipssonicare

30 Sep 2018, 03:04

5

6

4,575

by: bumpbot

15 Mar 2023, 15:10

ER

If p is a positive integer, is p + 2 > q?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

amgelcer

28 Sep 2013, 09:31

12

7

5,992

by: bumpbot

17 Mar 2023, 02:24

ER

What is the value of x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

28 Jul 2015, 01:40

13

7

5,978

by: bumpbot

17 Mar 2023, 11:57

ER

According to the figure above, does AD = BD?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

16 Jul 2015, 01:24

12

8

4,505

by: bumpbot

20 Mar 2023, 08:38

ER

A jar has 10 marbles, a mix of red and white. Two marbles are randomly

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

Bunuel

24 Apr 2026, 11:42

35

7

8,066

by: bumpbot

21 Mar 2023, 08:12

ER

If for any positive integer x, d[x] denotes its smallest odd

805+ (Hard) | Functions and Custom Characters, Multiples and Factors

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

reg123456

12 Jul 2013, 02:13

48

8

12,869

by: bumpbot

25 Mar 2023, 22:56

ER

If x < p < q < y. Is |q - x| < |q - y|?

805+ (Hard) | Absolute Values, Inequalities

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

jamifahad

11 Jul 2013, 01:37

29

16

10,201

by: bumpbot

25 Mar 2023, 22:58

ER

There are three circles, with radii 2, 4 and 5, respectively

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

guerrero25

15 Jun 2013, 13:26

17

9

6,524

by: bumpbot

26 Mar 2023, 11:57

ER

If xy^4/3 =√432, is x + y = 5? (1) y is a positive integer. (2) x is

805+ (Hard) | Exponents +2 tags

805+ (Hard) | Exponents, Number Properties, Roots hide tags

Bunuel

07 Apr 2021, 03:00

25

6

4,648

by: Bunuel

28 Mar 2023, 00:42

ER

Is the slope of Line 1 positive?

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

26 Feb 2015, 06:40

55

12

10,434

by: bumpbot

28 Mar 2023, 04:37

ER

Is x^2 - y^2 an integer divisible by 8?

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

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

icandy

09 May 2009, 11:25

83

5

23,760

by: bumpbot

29 Mar 2023, 12:47

ER

If George had 16 more textbooks, he would have three times

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

tim415

27 Dec 2012, 09:56

24

14

9,244

by: bumpbot

30 Mar 2023, 05:21

ER

What is the perimeter of isosceles triangle LMN?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

zxcvbnmas

15 Feb 2016, 14:09

30

9

16,593

by: bumpbot

01 Apr 2023, 07:02

ER

Vertices of a traingle are at (-2,1) , (3,1) & (x,y) on a

655-705 (Hard) | Coordinate Plane, Geometry

655-705 (Hard) | Coordinate Plane, Geometry hide tags

sandhyash

18 Feb 2011, 10:13

56

11

13,176

by: bumpbot

01 Apr 2023, 07:03

ER

The infinite sequence a{1}, a{2}, …, a{n}, … is such that a{

555-605 (Medium) | Algebra, Sequences

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

hb

23 Jul 2018, 05:33

9

6

8,557

by: bumpbot

03 Apr 2023, 02:44

ER

If x and y are positive integers, is x a factor of 12?

555-605 (Medium) | Multiples and Factors

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

summer101

26 Jul 2013, 02:38

13

6

10,077

by: bumpbot

04 Apr 2023, 08:31

ER

If x 0, is |x|/x < 1? (1) x < 1 (2) x > 1

555-605 (Medium) | Absolute Values, Inequalities

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

Bunuel

08 May 2020, 13:38

11

8

3,790

by: bumpbot

08 Apr 2023, 01:41

ER

Is pqr > 0 ? (1) pq > 0 (2) q/r < 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

kobi90

10 Nov 2020, 09:50

12

10,414

by: bumpbot

12 Apr 2023, 21:14

ER

What is the value of integer n?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

yoovi4u

23 Feb 2014, 04:54

15

9

5,952

by: bumpbot

15 Apr 2023, 02:54

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

17,353

by: bumpbot

15 Apr 2023, 09:40

ER

What is the value of x? (1) |x| = x (2) |x|^2 = x^2

605-655 (Medium) | Absolute Values

605-655 (Medium) | Absolute Values hide tags

Bunuel

22 Feb 2021, 01:15

14

7

5,594

by: bumpbot

16 Apr 2023, 06:38

ER

Is quadrilateral ABCD a parallelogram?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

08 Mar 2021, 01:15

23

14

6,506

by: bumpbot

16 Apr 2023, 06:40

ER

In the figure above, a circle is inscribed in square ABCD. What is the

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

13 Dec 2015, 05:48

21

9

7,623

by: Bunuel

18 Apr 2023, 03:14

ER

Is x < w ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

[email protected]

10 Jul 2016, 02:52

112

10

38,813

by: Maria240895chile

19 Apr 2023, 07:14

ER

Is q > t ? (1) qp^2 < tp^2 (2) qp^3 > tp^3

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

11 Nov 2014, 05:41

32

13

9,709

by: bumpbot

19 Apr 2023, 13:02

ER

Is x > y? (1) x > y^3 (2) x/y > 1

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

raghavrf

08 Aug 2019, 22:29

13

10

5,112

by: bumpbot

20 Apr 2023, 07:02

ER

On the number line above, t, u, v, w, and x are five consecutive even

505-555 (Easy) | Graphs and Illustrations

505-555 (Easy) | Graphs and Illustrations hide tags

Bunuel

30 Aug 2019, 06:31

1

6

3,216

by: Bunuel

29 Apr 2023, 12:46

ER

What is the remainder when positive integer n is divided by 4?

505-555 (Easy) | Remainders

505-555 (Easy) | Remainders hide tags

Bunuel

02 Apr 2015, 04:23

23

11

16,184

by: bumpbot

30 Apr 2023, 21:44

ER

If KL is parallel to MN, Is x> y?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

GMATBusters

19 Jun 2018, 08:39

14

5

3,261

by: bumpbot

01 May 2023, 12:20

ER

Are all the angles in triangle ABC less than 90 degrees?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

honchos

02 May 2023, 10:08

5

5,838

by: Bunuel

02 May 2023, 10:09

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

6,624

by: SaquibHGMATWhiz

04 May 2023, 21:42

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

7,404

by: bumpbot

05 May 2023, 11:22

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

6,852

by: Bunuel

06 May 2023, 01:27

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

5,173

by: Bunuel

07 May 2023, 06:59

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

7,946

by: bumpbot

09 May 2023, 06:02

ER

Is quadrilateral ABCD a parallelogram?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

anant07

19 Nov 2014, 00:31

36

10

12,786

by: bumpbot

14 May 2023, 06:53

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

9,273

by: bumpbot

14 May 2023, 07:07

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

12,182

by: nivivacious2

25 May 2023, 00:57

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

3,362

by: Jarvis07

28 May 2023, 04:00

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

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

29,253

by: bumpbot

30 May 2023, 04:11

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

5,245

by: bumpbot

30 May 2023, 04:14

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

2,956

by: bumpbot

31 May 2023, 04:42

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

17,628

by: bumpbot

03 Jun 2023, 10:34

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

6,148

by: bumpbot

04 Jun 2023, 01:46

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

9,552

by: Bunuel

07 Jun 2023, 01:07

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

1,959

by: Bunuel

08 Jun 2023, 06:46

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

4,388

by: Bunuel

12 Jun 2023, 08:09

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

6,752

by: bumpbot

12 Jun 2023, 21:52