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

78,817

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

856

24

188,580

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

488,017

by: bb

29 Aug 2025, 13:27

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What is the value of p^3 + 2p ? (1) p^2 5p + 4 = 0. (2) The

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hardnstrong

11 Jun 2010, 09:35

1

3

7,180

by: hardnstrong

11 Jun 2010, 21:47

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Is |x| < 1 ? (1) x^4 - 1 > 0 (2) 1/(1 - |x|) > 0

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sag

27 Jul 2010, 07:27

1

3

4,115

by: sag

28 Jul 2010, 00:24

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Is this a rt triangle

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agnok

20 Jul 2010, 08:26

1

5

3,340

by: trunksli

20 Aug 2010, 21:34

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Paralleogram ABCD has diagonal AC and BD what is the area of

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rxs0005

10 Sep 2010, 06:47

1

7

4,033

by: TehJay

13 Sep 2010, 07:15

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If k, m, and p are integers, is k m p odd? (1) k and m are

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amitjash

18 Sep 2010, 21:32

1

14

5,132

by: KapTeacherEli

20 Oct 2010, 20:18

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a^2+b^2=6, a+b=? 1. b-a=2 2. a=-b

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Creeper300

07 Nov 2010, 00:56

1

5

3,637

by: KarishmaB

07 Nov 2010, 07:14

A right polygon is inscribed in a circle. How many sides

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aalriy

10 Dec 2010, 08:05

1

2

4,999

by: aalriy

10 Dec 2010, 10:58

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Is (x^2 + y^2) a perfect square? (1) x is even, y is odd (2)

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hallelujah1234

16 Apr 2004, 16:56

1

6

5,327

by: Bunuel

04 Jan 2011, 06:37

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Does abcd = 1?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

spacelandprep

03 Mar 2011, 21:31

1

4

4,929

by: spacelandprep

03 Mar 2011, 21:54

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A certain company assigns ID numbers to its new employees such that ea

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gmatpapa

19 Apr 2011, 05:42

1

4

3,918

by: Spidy001

20 Apr 2011, 14:27

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When a class is divided into 6 teams with an equal number of

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loveparis

09 Feb 2011, 16:40

1

4

5,336

by: anordinaryguy

17 Aug 2011, 10:00

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Is it true that exactly two of the three sentences I, II,

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nonameee

02 Nov 2011, 07:26

1

5

2,626

by: nonameee

03 Nov 2011, 04:46

X and Y are positive numbers. Is the hundredth digit of XY

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g81

06 Jun 2012, 13:38

1

2

2,426

by: g81

06 Jun 2012, 14:05

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Is |x| < 1?

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

Aximili85

29 Aug 2012, 10:11

1

4

4,737

by: Bunuel

30 Aug 2012, 01:48

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A certain electronic memory game is played by answering equa

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ankitD

09 Feb 2013, 04:54

1

5

3,004

by: IanStewart

10 Feb 2013, 07:24

Jenifer, David and Steve are children of Mrs. Noris.

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Asifpirlo

05 Aug 2013, 11:35

1

3

3,062

by: Asifpirlo

05 Aug 2013, 11:34

The average weight of the students

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Gian

10 Aug 2013, 05:55

1

3

4,570

by: maaadhu

10 Aug 2013, 06:09

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If a, b, and c are positive and a =b/c^1/2, what is the

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Gnpth

22 Jul 2014, 03:10

1

2

2,692

by: Bunuel

22 Jul 2014, 03:13

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If f and g are both positive integers greater than 1

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

Gnpth

25 Jul 2014, 11:07

1

3

7,489

by: Bunuel

26 Jul 2014, 02:05

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Are p, q and r all positive?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

pran21

02 Sep 2014, 03:40

1

2,329

by: Bunuel

02 Sep 2014, 03:44

The volume of cylinder A is how much more than the volume of cylinder

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DangerPenguin

29 Sep 2014, 07:37

1

8

4,099

by: DangerPenguin

29 Sep 2014, 07:37

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What is the number of 360-degree rotations that Tashi’s unicycle wheel

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

12 Jan 2015, 11:15

1

3

2,512

by: Bunuel

19 Jan 2015, 03:43

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Is x>1? (1) x is positive (2) x^2 is less than x

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

shasadou

12 Sep 2015, 12:40

1

2

2,781

by: Bunuel

13 Sep 2015, 03:37

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The perimeter of square ABCD is half of the perimeter of parallelogram

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

07 Sep 2015, 23:00

1

5

3,715

by: MathRevolution

15 Sep 2015, 09:29

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Is a - b >= 3 ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

28 Oct 2015, 06:58

1

4

2,579

by: GMATinsight

28 Oct 2015, 09:31

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If x is a positive integer and x <= 250, what is the value of x?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

29 Oct 2015, 01:27

1

2

2,322

by: TheKingInTheNorth

29 Oct 2015, 04:46

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If x < y, is x^4 < y^4 ?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

01 Nov 2015, 09:20

1

5

2,803

by: padman777

02 Nov 2015, 09:08

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If a and b are positive integers, a is what percent of b ?

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

Bunuel

06 Dec 2015, 12:03

1

5

3,936

by: MathRevolution

09 Dec 2015, 07:06

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If s and t are the roots of x^2 + bx + c = 0, then |s − t| = ?

555-605 (Medium) | Absolute Values, Algebra

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

chetan2u

31 Dec 2015, 20:30

1

3

3,128

by: MathRevolution

02 Jan 2016, 23:25

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At the end of year X, was the number of self-employed men mo

555-605 (Medium) | Percent and Interest Problems

555-605 (Medium) | Percent and Interest Problems hide tags

fozzzy

06 Jul 2013, 03:25

1

3

3,549

by: bumpbot

09 Jan 2016, 14:49

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What is the sum of five numbers?

Sub 505 (Easy) | Arithmetic, Statistics and Sets Problems

Sub 505 (Easy) | Arithmetic, Statistics and Sets Problems hide tags

Bunuel

26 Jan 2016, 08:18

1

4

5,566

by: MathRevolution

28 Jan 2016, 18:57

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Assuming that neither m nor n is zero, is the product m 2 n positive?

505-555 (Easy) | Inequalities, Number Properties

505-555 (Easy) | Inequalities, Number Properties hide tags

Bunuel

31 Jan 2016, 07:14

1

2

1,799

by: GMATinsight

01 Feb 2016, 05:38

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In a certain marching band formation

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Vineetk

29 Jun 2013, 03:35

1

6

5,244

by: Bunuel

07 Mar 2016, 10:00

ER

If p≠0, is r less than zero?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

07 Mar 2016, 03:30

1

3

4,758

by: chetan2u

07 Mar 2016, 19:55

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What is the value of prime number z?

505-555 (Easy) | Inequalities, Number Properties

505-555 (Easy) | Inequalities, Number Properties hide tags

Bunuel

28 Feb 2016, 09:46

1

4

2,352

by: chetan2u

28 Mar 2016, 07:34

ER

Is the positive integer x divisible by 6?

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Bunuel

31 Mar 2016, 00:59

1

4,724

by: TeamGMATIFY

31 Mar 2016, 04:58

ER

If x is a nonzero integer less than 36, is 36/x even?

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

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

Bunuel

11 Apr 2016, 04:10

1

3

2,800

by: CV7585

13 Apr 2016, 23:50

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If x and y are integers, is xy greater than 0? 1) x2 is greater than

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

13 Apr 2016, 05:29

1

5

3,202

by: sameerspice

14 Apr 2016, 19:00

ER

If x is an integer, is 3x odd?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

12 Apr 2016, 02:24

1

5

2,385

by: MathRevolution

16 Apr 2016, 02:42

ER

What is the units digit of the product of the two positive integers x

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

18 Apr 2016, 08:20

1

3

2,182

by: y4nkee

20 Apr 2016, 23:45

ER

What is the length of the diagonal of rectangle ABCD?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

20 May 2016, 00:19

1

3

6,903

by: Alex75PAris

20 May 2016, 14:02

ER

Is the number y between 0.3 and 0.6 ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

avohden

24 Oct 2013, 17:24

1

4

5,632

by: chetan2u

27 May 2016, 05:56

ER

In an isosceles triangle PQR, how many degrees is ∠ P

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

27 May 2016, 09:09

1

3

2,932

by: Megan07

29 May 2016, 08:18

ER

What is the measurement of A + B of a triangle shown as above figure?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

MathRevolution

01 Jun 2016, 06:44

1

2,278

by: MathRevolution

05 Jun 2016, 05:48

ER

If m is a positive integer less than 200, what is the greatest prime f

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MathRevolution

06 Jun 2016, 21:49

1

6

1,795

by: Daanu

08 Jun 2016, 11:58

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If x > 0, is y < 0?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

AbdurRakib

10 Jun 2016, 12:18

1

2

2,228

by: hsbinfy

11 Jun 2016, 00:57

ER

If Tom invest $x April at a constant monthly interest rate of y percen

555-605 (Medium) | Percent and Interest Problems

555-605 (Medium) | Percent and Interest Problems hide tags

MathRevolution

26 Jun 2016, 18:29

1

3

2,281

by: Divyadisha

29 Jun 2016, 13:55

ER

Tom was born on October 28th. On what day of the week was he born?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

07 Mar 2016, 11:36

1

5

2,826

by: rhine29388

01 Jul 2016, 03:11

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What is the value of X+Z? (1) X+Y=11 (2) Z+Y=13

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

08 Jul 2016, 07:56

1

6

3,604

by: hsbinfy

09 Jul 2016, 06:45

ER

How many degrees is angle e?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

17 Jan 2016, 12:20

1

3

2,914

by: ravi2107

17 Jul 2016, 11:41