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

78,699

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

856

24

188,511

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

487,921

by: bb

29 Aug 2025, 13:27

ER

Is ad > bc ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

josemarioamaya

20 Sep 2013, 00:39

16

10

5,211

by: bumpbot

29 Jan 2020, 10:30

ER

If x and y are integers, is xy divisible by x^2?

705-805 (Hard) | Multiples and Factors +2 tags

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

Bunuel

09 Jan 2017, 03:26

18

10

4,191

by: bumpbot

03 Feb 2020, 11:53

ER

If x and y are positive integers, what is the unit digit of the

555-605 (Medium) | Exponents, Number Properties

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

QuantMadeEasy

25 Feb 2020, 22:38

4

3,268

by: MathRevolution

29 Feb 2020, 12:03

ER

If a, b, and c are positive integers such that a < b < c, is a% of b%

705-805 (Hard) | Number Properties, Percent and Interest Problems

705-805 (Hard) | Number Properties, Percent and Interest Problems hide tags

Bunuel

19 Jun 2015, 03:22

85

14

39,496

by: tan1107

03 Mar 2020, 07:29

ER

If x y and z are positive is xz = 7xy ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

davidfrank

30 Mar 2020, 00:15

12

10,000

by: Kinshook

30 Mar 2020, 00:06

ER

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

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

26 Aug 2015, 00:47

17

13

7,383

by: bumpbot

06 Apr 2020, 13:10

ER

In triangle PQR, if the length of all the three sides are distinct int

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

GMATWhizTeam

07 Apr 2020, 23:44

4

8

2,496

by: GMATWhizTeam

07 Apr 2020, 07:44

ER

Is m < 5 < n?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

GMATBusters

16 Apr 2020, 11:41

2

6

2,156

by: Archit3110

16 Apr 2020, 21:27

ER

If xy > 0 and both x and y are even numbers, is x > y?

805+ (Hard) | Absolute Values, Inequalities

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

chetan2u

10 Sep 2018, 20:29

19

16

3,174

by: bumpbot

16 Apr 2020, 22:03

ER

Is r between s and t? (1) |r -s| < |r - t| (2) |r -s| > |s - t|

705-805 (Hard) | Absolute Values, Inequalities

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

shivanigs

04 Apr 2019, 22:47

18

13

7,781

by: bumpbot

16 Apr 2020, 23:09

ER

In the diagram below, PQ is a diameter of the circle having center at

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

23 Jul 2017, 23:18

21

11

4,932

by: fskilnik

20 Apr 2020, 09:45

ER

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

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

jennysussna

10 Sep 2018, 18:53

6

9

4,837

by: minustark

03 May 2020, 14:26

ER

In the diagram above, what is the value of v?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

10 Jun 2020, 05:05

10

14

3,254

by: dimri10

14 Jun 2020, 02:24

Is x – y ≥ 5 ? (1) x ≥ 9 (2) y ≤ 4

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

14 Jun 2020, 10:12

7

1,398

by: chetan2u

14 Jun 2020, 23:19

ER

if a and b are distinct prime numbers, Find the remainder when a+b is

655-705 (Hard) | Multiples and Factors, Number Properties

655-705 (Hard) | Multiples and Factors, Number Properties hide tags

GMATinsight

12 May 2020, 06:26

1

9

7,823

by: sampad

21 Jun 2020, 21:05

ER

If xy0, is |x|>|y|

Poor Quality

Poor Quality hide tags

MathRevolution

19 Jan 2018, 01:17

2

10

3,170

by: Bunuel

26 Jun 2020, 07:44

ER

Find the unit digit of 19^x + 27^y?

655-705 (Hard) | Exponents, Number Properties

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

GMATinsight

27 Jun 2020, 23:41

3

7

1,781

by: GMATinsight

28 Jun 2020, 00:39

ER

If k is an integer, is k^2 < 100?

605-655 (Medium) | Inequalities, Number Properties

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

GMATBusters

01 May 2020, 06:19

8

7

2,921

by: sampad

12 Jul 2020, 05:29

ER

If j and k are positive integers, what is the value of j?

705-805 (Hard) | Absolute Values, Algebra

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

BrentGMATPrepNow

22 Aug 2020, 08:42

14

8

4,425

by: BrentGMATPrepNow

22 Aug 2020, 12:24

ER

Does p^2 = q if p is a prime number?

655-705 (Hard) | Algebra, Number Properties

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

babusona

26 Apr 2016, 07:26

9

11

8,596

by: bumpbot

07 Sep 2020, 01:10

ER

A train takes two hours to travel from one station to the other.

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

delta23

27 Jul 2018, 21:00

13

7

3,473

by: Archit3110

17 Sep 2020, 03:26

ER

Is x > y ? (1) x + y > 0 (2) x^2 - y^2 > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

jrawls

05 Nov 2020, 06:34

10

7

4,363

by: bumpbot

06 Oct 2020, 20:27

ER

If a and b are distinct non zero numbers, is x+y an even

705-805 (Hard) | Exponents, Number Properties

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

surendar26

27 Nov 2017, 18:30

33

9

7,734

by: Basshead

29 Oct 2020, 02:39

ER

Is x + y > 1?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

TheUltimateWinner

26 Oct 2017, 03:07

19

11

3,440

by: ism1994

17 Nov 2020, 00:25

ER

What is the ratio of a to b to c ?

Sub 505 (Easy) | Algebra, Fractions and Ratios

Sub 505 (Easy) | Algebra, Fractions and Ratios hide tags

Rock750

28 Apr 2013, 12:05

10

18

10,383

by: bumpbot

25 Dec 2020, 01:15

ER

What is the area of the trapezoid shown?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

PathFinder007

01 Aug 2014, 08:54

85

12

28,440

by: goaltop30mba

03 Jan 2021, 19:32

ER

Is the radius of the circle greater than 3?

705-805 (Hard) | Coordinate Plane, Geometry

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

gdk800

19 Nov 2010, 04:33

46

9

9,266

by: bumpbot

09 Jan 2021, 22:46

ER

Is a positive? (1) a^6 < a (2) a^5 < a

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

13 Aug 2018, 03:33

14

11

7,919

by: TarunKumar1234

16 Jan 2021, 08:55

ER

If xy < 3, is x < 3 ?

655-705 (Hard) | Absolute Values, Inequalities

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

Ankit04041987

18 Jun 2012, 02:23

11

10

6,354

by: CEdward

02 Feb 2021, 14:59

ER

Is |x – 3| > |y – 3|?

555-605 (Medium) | Absolute Values, Inequalities

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

banksy

25 Jul 2013, 02:13

38

18

9,126

by: CEdward

03 Feb 2021, 12:51

ER

What is the median of a set of 10 positive integers?

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

28 Feb 2016, 12:06

6

12

4,298

by: nisthagupta28

01 Jul 2021, 00:57

ER

In a certain shop, two security cameras are positioned in different lo

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Russ19

11 Jul 2021, 06:45

12

6

1,988

by: IanStewart

12 Jul 2021, 03:50

ER

xz < 0? 1) |x+y| = |x| + |y| 2) |y+z| = |y| + |z|

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

MathRevolution

06 Nov 2017, 23:07

43

16

4,725

by: Archit3110

15 Jul 2021, 01:39

ER

Is 3^(p-2) greater than 1,000?

655-705 (Hard) | Algebra +2 tags

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

se7en14

14 Jan 2014, 01:29

22

12

5,799

by: bumpbot

19 Jul 2021, 16:16

ER

How many prime factors does x^37 have?

805+ (Hard) | Exponents, Multiples and Factors

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

TARGET730

09 Mar 2015, 05:47

39

10

6,319

by: bumpbot

06 Aug 2021, 04:49

ER

a is an odd integer and a ≠ -b. Is a^2/|b+a| > a-b ?

805+ (Hard) | Absolute Values, Inequalities

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

nades09

21 Aug 2017, 08:24

17

11

6,229

by: Fdambro294

07 Aug 2021, 17:31

ER

k is a positive integer. Is k prime?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

fireinbelly

30 Apr 2013, 03:57

17

8

5,492

by: bumpbot

10 Aug 2021, 10:37

ER

Is (x - 4)(x - 3)(x + 2)(x + 1) > 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

HKHR

27 Sep 2013, 08:06

29

9

9,281

by: Devesh26

23 Aug 2021, 23:35

ER

Is the perimeter of rectangle R greater than 28?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

17 Apr 2020, 03:09

26

9

4,664

by: bumpbot

11 Sep 2021, 04:28

ER

If P, Q, R are positive numbers such that R = 100P + 20Q

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

gmihir

13 May 2012, 08:11

4

9

7,588

by: bumpbot

12 Sep 2021, 01:40

ER

x and y are two positive integers. D is the greatest common divisor of

555-605 (Medium) | Multiples and Factors

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

Bunuel

13 Sep 2021, 01:30

6

11

3,757

by: GMATWhizTeam

15 Sep 2021, 22:43

ER

If N is a positive integer, is 9 a factor of N?

655-705 (Hard) | Multiples and Factors, Number Properties

655-705 (Hard) | Multiples and Factors, Number Properties hide tags

Jinglander

01 Sep 2017, 09:30

32

12

12,076

by: bumpbot

16 Sep 2021, 21:32

ER

Are the digits A and B consecutive integers?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

chetan2u

28 Jun 2020, 04:41

19

15

3,303

by: Crytiocanalyst

17 Sep 2021, 10:35

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

10,332

by: bumpbot

29 Sep 2021, 08:01

ER

In the rectangular coordinate system are the points A and B equidistan

805+ (Hard) | Coordinate Plane, Geometry

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

niteshwaghray

23 May 2017, 00:56

13

3,521

by: bumpbot

04 Oct 2021, 05:35

ER

Is a two digit positive integer xy, where x is the tens digit and y is

505-555 (Easy) | Multiples and Factors, Number Properties

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

Bunuel

03 Dec 2018, 05:37

15

12

5,341

by: Archit3110

18 Oct 2021, 08:43

ER

If x and y are positive integers, is x odd? (1) x*y is a prime number

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

14 May 2018, 01:43

9

7

3,922

by: Bunuel

18 Oct 2021, 11:18

ER

Data Sufficiency Pack 3, Question 4 If |a - b| = 6...

805+ (Hard) | Absolute Values, Arithmetic

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

EMPOWERgmatRichC

10 Nov 2015, 21:34

28

12

5,111

by: chetan2u

19 Oct 2021, 09:28

ER

Is 1/8 < n < 1/6 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

FN

25 Oct 2014, 06:00

9

4,946

by: CrackverbalGMAT

27 Oct 2021, 22:24

ER

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

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

25 May 2020, 11:23

9

8

4,050

by: Bunuel

03 Nov 2021, 06:44