GMAT Data Sufficiency (DS) Forum - Free Practice Questions

ER

Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

Bunuel

25 Oct 2022, 08:11

182

15

82,891

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of May 2026

1, 2

Bunuel

01 Jan 2026, 05:45

862

24

191,078

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

491,024

by: bb

29 Aug 2025, 13:27

ER

Is |x – 3| < 7 ? (1) x > 0 (2) x < 10

555-605 (Medium) | Absolute Values, Inequalities

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

agnok

06 Oct 2010, 07:11

50

18

13,779

by: bumpbot

07 Mar 2025, 01:14

ER

If x, y, and n are positive integers, is (x/y)^n greater than 1,000 ?

605-655 (Medium) | Exponents, Inequalities

605-655 (Medium) | Exponents, Inequalities hide tags

agnok

01 Oct 2010, 09:01

80

11

17,579

by: bumpbot

20 Nov 2024, 12:18

ER

Is x+1 a factor of 12?

555-605 (Medium) | Multiples and Factors

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

agnok

09 Sep 2010, 10:20

31

19

10,576

by: bumpbot

21 Oct 2024, 13:15

ER

Is quadrilateral ABCD a rectangle?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

agnok

09 Sep 2010, 07:42

12

10

13,674

by: bumpbot

28 Dec 2023, 09:14

ER

If two triangles are similar, what is the perimeter of the

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

agnok

09 Sep 2010, 07:45

9

8

6,632

by: bumpbot

12 Jan 2022, 11:45

ER

Between what two numbers is the measure of the third side of

Poor Quality

Poor Quality hide tags

agnok

09 Sep 2010, 10:27

3

8

4,402

by: Bunuel

11 Sep 2010, 23:50

ER

Is this a rt triangle

Poor Quality

Poor Quality hide tags

agnok

20 Jul 2010, 08:26

1

5

3,378

by: trunksli

20 Aug 2010, 21:34

ER

If y>0 is x>y? 1. 5x-4y=3 2. 4y-5x=3

Poor Quality

Poor Quality hide tags

agnok

17 Jul 2010, 08:21

3

2

4,113

by: agnok

20 Jul 2010, 08:28

ER

If a > 0, is 2/(a+b) + 2/(a-b) = 1?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

ahatoval

29 Apr 2013, 00:14

16

17

10,380

by: bumpbot

29 Sep 2021, 08:01

The circumference of a circle is 2xpi. What is the value of x?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

aikomao

12 Sep 2022, 18:18

1

3

1,103

by: Kinshook

12 Sep 2022, 21:21

ER

Two containers contain milk and water solutions of volume x liters and

705-805 (Hard) | Mixture Problems

705-805 (Hard) | Mixture Problems hide tags

Aim800score

08 Dec 2017, 07:35

58

7

9,960

by: Bunuel

04 Jan 2026, 04:27

ER

How many liters of apple juice were added to the cranberry juice in a

Sub 505 (Easy) | Mixture Problems

Sub 505 (Easy) | Mixture Problems hide tags

Aim800score

09 Dec 2017, 07:18

6

3

14,544

by: bumpbot

17 Jun 2025, 23:44

ER

A circle is drawn within the interior of a rectangle. Does

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

AIMGMAT770

22 Oct 2013, 02:59

162

18

26,923

by: bumpbot

04 Oct 2023, 22:46

ER

Is w greater than 1? (1) w + 2 > 0 (2) w^2 > 1

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

aiming4mba

05 Jun 2019, 05:09

121

17

42,444

by: bumpbot

24 Apr 2025, 09:58

ER

If m and n are positive integers and mn = p + 1, is m + n = p ?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

aiming4mba

04 Aug 2010, 23:19

9

10

7,282

by: bumpbot

20 Feb 2024, 23:15

ER

If x and y are consecutive negative integers, is x greater

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

aiming4mba

04 Aug 2010, 23:18

16

4

5,502

by: bumpbot

28 Oct 2023, 02:18

ER

Is |a| = b – c? (1) c = a + b (2) a < 0

605-655 (Medium) | Absolute Values, Inequalities

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

aiming4mba

22 Jul 2010, 13:06

51

12

9,456

by: bumpbot

14 Jan 2023, 08:39

Is y greater than x? (1) |y|<1 and |x| <2 (2) y>0

Sub 505 (Easy) | Absolute Values, Inequalities

Sub 505 (Easy) | Absolute Values, Inequalities hide tags

aiming4mba

22 Jul 2010, 13:07

9

6

6,021

by: bumpbot

16 Sep 2022, 10:43

ER

Of the 70 children who visited a certain doctor last week,

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

aiming4mba

17 Aug 2010, 09:57

5

6

3,795

by: bumpbot

22 Jan 2018, 04:58

ER

If n denotes a decimal, then is n > 0.9? (1) When n is

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

aiming4mba

22 Jul 2010, 13:08

2

3,016

by: EMPOWERgmatRichC

09 Dec 2017, 16:33

ER

Each of the 45 books on a shelf is written either in English or in Spa

655-705 (Hard) | Overlapping Sets, Probability

655-705 (Hard) | Overlapping Sets, Probability hide tags

AJ1012

23 Dec 2015, 14:16

410

15

55,230

by: bumpbot

13 May 2026, 03:31

ER

If p, s, and t are positive integer, is |ps - pt| > p(s - t) ?

505-555 (Easy) | Absolute Values

505-555 (Easy) | Absolute Values hide tags

AJ1012

18 Dec 2015, 13:11

372

16

42,383

by: bumpbot

05 Sep 2025, 16:09

ER

A recipe calls for 2/3 cup of butter to make a batch of cook

555-605 (Medium) | Fractions and Ratios

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

aja1991

12 Mar 2014, 02:56

5

2

5,786

by: prashant212

08 Apr 2016, 12:47

ER

Is a an integer?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

ajaanrkhan

23 Aug 2021, 21:14

4

6

3,253

by: omagra

28 Aug 2021, 21:07

ER

The variables x, y, and z are all integers.

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

ajaanrkhan

23 Aug 2021, 08:37

7

2

2,110

by: TestPrepUnlimited

24 Aug 2021, 12:41

ER

Is x > 2? (1) 2/x < 1 (2) 4/x > x

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

ajaygaur319

28 Jun 2020, 22:02

8

6

2,111

by: bumpbot

24 May 2023, 11:14

The average of 6 distinct single-digit positive integers in a set is 4

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

ajaygaur319

22 Jun 2020, 04:51

4

6

3,216

by: kimshi78

25 Jun 2020, 04:01

ER

Ann bought five different kinds of fruit: apples, oranges, pears

505-555 (Easy) | Fractions and Ratios, Word Problems

505-555 (Easy) | Fractions and Ratios, Word Problems hide tags

ajaym28

26 Oct 2014, 06:16

28

5

18,357

by: bumpbot

28 Jul 2025, 11:10

ER

At a refreshment stand, each can of soda sells for the same price and

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

ajca

25 Jan 2015, 03:22

28

6

20,637

by: bumpbot

07 Mar 2024, 01:57

ER

Is Z an integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

AjChakravarthy

10 Jan 2015, 14:05

21

10

8,266

by: bumpbot

21 Apr 2020, 00:17

ER

What is the value of x? (1) x^2 – 5 x + 6 = 0 (2) x > 0

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

ajgoupil

06 Feb 2020, 11:29

6

8,237

by: bumpbot

16 May 2024, 00:57

ER

For a class of 50 students, the table above reports the number of stud

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

ajgoupil

12 Feb 2020, 10:50

21

5

6,185

by: Bunuel

27 Apr 2024, 02:02

ER

Robots X, Y, and Z each assemble components at their

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

ajit257

07 Dec 2019, 21:06

109

16

32,429

by: bumpbot

04 May 2026, 05:48

ER

Peter, Paul, and Mary each received a passing score on

555-605 (Medium) | Statistics and Sets Problems

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

ajit257

17 Jan 2011, 17:09

51

9

9,711

by: bumpbot

08 Jan 2026, 04:32

ER

If x and y are nonzero integers, is (x^(-1) + y^(-1))^(-1) >

805+ (Hard) | Exponents, Inequalities

805+ (Hard) | Exponents, Inequalities hide tags

ajit257

16 Feb 2019, 03:24

152

16

36,733

by: bumpbot

07 Dec 2025, 20:27

ER

If a and b are positive, is (a^(-1) + b^(-1))^(-1) less than (a^(-1)*b

655-705 (Hard) | Exponents, Inequalities

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

ajit257

08 Oct 2017, 08:46

28

8

22,548

by: bumpbot

14 Jun 2025, 01:05

ER

What is the value of (x - y)^4? (1) The product of x and y is 7

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

ajit257

27 Dec 2010, 14:10

17

7

12,940

by: bumpbot

31 Mar 2025, 23:12

ER

The average weight of the women in a room is 120 lbs, and

505-555 (Easy) | Statistics and Sets Problems

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

ajit257

10 Jan 2011, 18:55

53

11

23,769

by: bumpbot

15 Sep 2024, 23:50

ER

If x and y are positive integers and y = 9 - x, what is the

655-705 (Hard) | Algebra, Number Properties

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

ajit257

27 Dec 2010, 13:49

25

8

20,378

by: bumpbot

12 Mar 2024, 02:01

ER

Is |a| > |b|? (1) b < -a (2) a < 0

655-705 (Hard) | Absolute Values, Inequalities

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

ajit257

07 Feb 2011, 18:38

59

15

18,104

by: bumpbot

28 Jul 2023, 10:27

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

26,330

by: bumpbot

14 Jul 2023, 23:08

ER

If x^2 + 3x + c = (x + a)(x + b) for all x, what is the

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

ajit257

05 Dec 2010, 14:28

24

5

9,471

by: bumpbot

31 May 2022, 02:36

ER

If w and c are integers is w > 0 ? (1) w + c > 50 (2)

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

ajit257

16 Dec 2010, 05:28

8

6

14,122

by: bumpbot

29 Jan 2022, 14:58

ER

What is the value of the integer n? (1) n(n + 2) = 15 (2) (n

555-605 (Medium) | Algebra, Exponents

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

ajit257

10 Jul 2013, 01:54

55

7

35,907

by: akshayk

14 Jul 2017, 12:41

ER

What are the unique values of b and c in the equation 4x^2 + bx + c =

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

ak2121

06 Aug 2021, 06:12

6

5

3,128

by: bumpbot

17 Oct 2023, 20:43

ER

If a ≠ -b, is (a - b)/(b + a) > 1? (1) b^2 > a^2 (2) a - b > 1

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

ak2121

29 Sep 2021, 08:19

3

2

1,466

by: Bunuel

29 Sep 2021, 09:03

ER

A set contains 24 even positive integers, not necessarily distinct. Do

605-655 (Medium) | Statistics and Sets Problems

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

akanksha.setiya

28 Oct 2017, 09:28

17

10

6,239

by: bumpbot

14 Jan 2026, 00:58

ER

If x, y and z are integers then is the product of x, y, and z divisibl

Poor Quality

Poor Quality hide tags

akgulhane

21 Jan 2018, 23:14

3

2,232

by: Bunuel

21 Jan 2018, 23:28

ER

The Department of Environmental Protection measured the volume of wate

605-655 (Medium) | Statistics and Sets Problems

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

akhil911

14 Feb 2021, 03:10

74

10

10,818

by: bumpbot

05 Jan 2026, 00:42

ER

A set contains the following 5 numbers: a^2, a^5, a, a/2, a/5. Is the

805+ (Hard) | Statistics and Sets Problems

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

1, 2

akhil911

25 Mar 2016, 04:55

174

26

22,978

by: bumpbot

16 Sep 2025, 09:59