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

179

15

79,772

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

858

24

188,984

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,686

by: bb

29 Aug 2025, 13:27

ER

What is the value of x^3y^2 + 2098/(xy^2) + 1/x -x^y, given x, and y

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Bunuel

28 Jan 2021, 01:15

13

4

2,063

by: rsrighosh

14 Apr 2021, 07:12

ER

If a, b, and c are all integers, is ab + bc + ca + a^2 odd?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Bunuel

08 Apr 2021, 13:00

5

3

1,636

by: unraveled

08 Apr 2021, 20:54

ER

in the figure shown above, line m and n is the bisector of angle ABD

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

akshayuberoi

04 Apr 2021, 11:44

5

2

1,334

by: TestPrepUnlimited

06 Apr 2021, 19:27

ER

In a quadrilateral ABCD, E is a point of intersection of two diagonals

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

09 Oct 2019, 22:03

6

10

4,887

by: CEdward

22 Mar 2021, 11:04

ER

In quadrilateral ABCD, sides AB and BC each have length √2,

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

imhimanshu

30 Mar 2014, 11:14

30

13

18,014

by: Bunuel

21 Mar 2021, 01:39

ER

If x lies between zero and one, is the tenths digit of x zero ?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Kaushik786

12 Mar 2021, 21:54

14

4

1,864

by: rsrighosh

20 Mar 2021, 08:26

ER

If x is an integer, does the decimal expression of the fraction x/8 ha

805+ (Hard) | Fractions and Ratios, Number Properties

805+ (Hard) | Fractions and Ratios, Number Properties hide tags

Bunuel

11 Jan 2021, 01:15

9

7

2,823

by: MBAB123

12 Mar 2021, 22:15

ER

If m and n are negative integers what is the value of m*n

805+ (Hard) | Algebra, Exponents

805+ (Hard) | Algebra, Exponents hide tags

rxs0005

15 Oct 2013, 08:10

28

6

11,716

by: smmc29

25 Feb 2021, 07:29

ER

Q is the set of all integers between A and B, inclusive. The average

805+ (Hard) | Statistics and Sets Problems

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

Bunuel

11 Feb 2021, 01:15

10

2

5,001

by: Bunuel

12 Feb 2021, 01:30

A regular convex polygon has 'n' sides. What is the value of n?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

amanvermagmat

25 Jun 2018, 11:02

9

4

2,854

by: bumpbot

08 Feb 2021, 21:05

ER

R is a convex polygon. Does R have at least 8 sides?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

kevincan

22 Apr 2014, 02:48

53

8

6,620

by: bumpbot

06 Feb 2021, 04:52

ER

Is the prime number q equal to 29 ?

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

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

Bunuel

25 Dec 2017, 05:42

11

5

2,899

by: Bibah

23 Dec 2020, 10:43

ER

The difference of two positive integers is 10. What are the numbers?

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

kawal27

20 Dec 2020, 20:27

4

1

1,606

by: TestPrepUnlimited

20 Dec 2020, 17:58

ER

N is a four digit number. N = ABCD where A, B, C, D are distinct

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Abhi077

11 Dec 2020, 09:43

4

3

3,994

by: MathRevolution

18 Dec 2020, 08:08

ER

The length of the edging which surrounds garden A which is in the

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Abhi077

08 Dec 2020, 05:27

3

1,549

by: kt22

17 Dec 2020, 12:11

ER

If P and Q are integers, is [m][fraction](10^{2P} + Q)/3[/fraction][/m

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

GMATBusters

20 Oct 2018, 10:04

6

7

1,825

by: bumpbot

13 Dec 2020, 10:58

ER

x+y+z is even, is x*y*z even?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Eden

16 Jun 2010, 22:50

22

9

6,643

by: bumpbot

04 Dec 2020, 01:37

ER

Is x^2 - y^2 an even integer?

805+ (Hard) | Algebra +2 tags

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

chetan2u

05 Jun 2016, 01:07

53

13

6,222

by: MHIKER

17 Nov 2020, 16:22

ER

Is x + y > 1?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

TheUltimateWinner

26 Oct 2017, 03:07

19

11

3,461

by: ism1994

17 Nov 2020, 00:25

If y is a positive integer, is y^2 - y divisible by 4 ?

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

rxs0005

18 Feb 2012, 06:08

24

3

4,606

by: bumpbot

16 Nov 2020, 00:17

ER

Z=2a×5b×7c A positive integer Z can be expressed in terms of its prime

805+ (Hard) | Algebra, Exponents

805+ (Hard) | Algebra, Exponents hide tags

niteshwaghray

23 May 2017, 00:34

21

9

3,624

by: MHIKER

12 Nov 2020, 15:56

ER

If M < N, is M^2-MN < 0?

805+ (Hard) | Algebra, Inequalities

805+ (Hard) | Algebra, Inequalities hide tags

GMATBeast

24 Dec 2013, 23:11

17

16

5,522

by: bumpbot

06 Oct 2020, 23:27

ER

x is a positive integer such as 0<x<22. Is x a perfect squar

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

SaidNassar1991

05 Oct 2020, 13:41

6

5

1,647

by: TestPrepUnlimited

06 Oct 2020, 17:02

ER

A veterinarian calculates the median weight of ten dogs. Later, she ad

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

Bunuel

16 Dec 2019, 01:32

16

4

2,910

by: SHoylandBPrep

04 Oct 2020, 08:49

ER

A circle with center (1, 0) and radius 2 lies in the coordinate plane

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

Bunuel

17 Sep 2018, 22:19

16

4

2,690

by: bumpbot

04 Oct 2020, 05:48

ER

If m, n, and p are positive integers, mnp= ?

805+ (Hard) | Algebra, Number Properties

805+ (Hard) | Algebra, Number Properties hide tags

BillyZ

23 Mar 2017, 00:17

21

9

6,695

by: bumpbot

10 Sep 2020, 22:25

ER

If a and b are positive integers larger than 1, is a^b > b^a?

805+ (Hard) | Arithmetic

805+ (Hard) | Arithmetic hide tags

tjerkrintjema

12 Jun 2015, 16:22

20

13

8,674

by: IanStewart

08 Sep 2020, 09:17

A cuboid has a base area of 64 sq. units. What is the volume of the cu

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

RakshithTN

01 Sep 2020, 10:23

2

1

1,927

by: nick1816

01 Sep 2020, 11:47

ER

HOT Competition: If n is a positive integer, then n is a multiple of

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

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

Bunuel

25 Aug 2020, 08:00

59

4

9,606

by: MayankSingh

25 Aug 2020, 09:53

ER

Manfred plans to invest a certain amount of money in stocks and a cert

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

14 Aug 2020, 02:43

10

7

2,662

by: sush147

18 Aug 2020, 15:50

ER

In a triangle ABC, AC=2. Is BC>

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Tan2017

14 Jul 2017, 18:40

10

3

2,705

by: bumpbot

06 Aug 2020, 12:19

ER

Given an integer a, a rectangle's adjacent sides measure (a + 2) inche

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

buan15

05 Aug 2020, 00:38

10

4

2,857

by: Kinshook

05 Aug 2020, 09:50

ER

AB is a chord of a circle. AB = 5 cm. A tangent parallel to AB touches

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

nick1816

10 Jun 2019, 10:20

5

8

5,127

by: catinabox

22 Jul 2020, 10:10

ER

if a^2 * a^b = a^z ,

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

GMATBusters

11 Jul 2020, 19:16

19

16

2,533

by: Kinshook

14 Jul 2020, 10:17

ER

Is x < y? (1) x^2 < -xy (2) x + |y| +1 < 0

805+ (Hard) | Absolute Values, Inequalities

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

GMATinsight

11 Jul 2020, 23:04

4

2

1,375

by: minustark

12 Jul 2020, 08:16

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

3,191

by: kimshi78

25 Jun 2020, 04:01

ER

For all positive integers x, &x = x^x+2 when x is even and &x = (2x^2)

805+ (Hard) | Exponents, Functions and Custom Characters

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

Bunuel

03 Jun 2020, 04:31

29

4

3,672

by: nick1816

04 Jun 2020, 09:20

A and B are non zero real numbers. Is A/B > B/A? (1) A^2 > B^2 (2)

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

amanvermagmat

21 Jan 2019, 22:15

14

12

3,208

by: bumpbot

22 May 2020, 02:44

ER

If x≠0, is |x|<1? (1) x^2/|x| > x

805+ (Hard) | Absolute Values, Inequalities

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

BillyZ

18 Feb 2017, 05:24

40

16

5,775

by: Bunuel

15 May 2020, 09:30

ER

A box contains balls of two sizes big and small and different colo

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

Nikhil

01 Dec 2018, 10:07

10

4

3,715

by: Debo1988

14 May 2020, 07:45

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

4,954

by: fskilnik

20 Apr 2020, 09:45

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

3,186

by: bumpbot

16 Apr 2020, 22:03

ER

In the XY-plane, region X consists of all the points (x, y) such that

805+ (Hard) | Coordinate Plane, Inequalities

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

Bunuel

12 Nov 2018, 00:19

10

3

2,803

by: bumpbot

07 Apr 2020, 11:35

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

2,515

by: GMATWhizTeam

07 Apr 2020, 07:44

ER

If each of d, q, and r is a positive integer such that dq + r = 3, wha

805+ (Hard) | Inequalities, Number Properties

805+ (Hard) | Inequalities, Number Properties hide tags

Bunuel

20 Mar 2020, 04:58

11

5

3,531

by: chetan2u

05 Apr 2020, 23:37

ER

What is the area of triangle BDC?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

GMATBusters

07 Dec 2019, 19:22

8

17

5,082

by: ayushkumar22941

08 Mar 2020, 20:49

ER

Is a^4+b^4 less than 32?

805+ (Hard) | Algebra +2 tags

805+ (Hard) | Algebra, Inequalities, Min-Max Problems hide tags

diota2004

08 Dec 2017, 21:42

52

7

4,059

by: bumpbot

18 Feb 2020, 05:38

ER

For a positive integer k, Is k/200 an integer

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Raxit85

11 Feb 2020, 00:01

5

2

2,840

by: GMATWhizTeam

17 Feb 2020, 23:00

ER

If a,b and c are positive integers where a is greater than b and c=(a)

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

gmatyodha

07 Feb 2020, 01:38

20

3

1,657

by: MathRevolution

11 Feb 2020, 11:12

ER

If a, b and c are distinct positive integers, what is the value of (a

805+ (Hard) | Exponents

805+ (Hard) | Exponents hide tags

Bunuel

06 Aug 2017, 00:57

16

9

4,248

by: ScottTargetTestPrep

10 Feb 2020, 17:55