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

79,105

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

857

24

188,746

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,319

by: bb

29 Aug 2025, 13:27

ER

If the average weight of the chickens on Farm One is 12

Sub 505 (Easy) | Statistics and Sets Problems

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

Gnpth

15 Jul 2014, 23:58

10

8

6,679

by: bumpbot

19 Jan 2023, 03:35

ER

If xy 0, what is the value of x/|y| ?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

Bunuel

21 May 2018, 00:09

11

8

6,641

by: bumpbot

19 Jan 2023, 06:57

ER

If p and q are integers greater than zero, what is the value of pq?

Sub 505 (Easy) | Multiples and Factors, Number Properties

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

Bunuel

23 Sep 2015, 22:47

8

7,083

by: bumpbot

21 Jan 2023, 11:24

ER

In the figure shown, is l1||l2 ?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

parkhydel

06 May 2020, 17:02

42

8

13,608

by: Kimberly77

21 Jan 2023, 14:23

ER

At what angle do lines y = Kx + B and y = Bx + K intersect ?

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

study

29 Dec 2009, 21:28

14

8

9,633

by: bumpbot

23 Jan 2023, 00:49

ER

Is xy > 0? (1) x^2 7x + 10= 0 (2) y^2 + 5y + 4 = 0

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

14 Aug 2017, 05:52

2

8

2,674

by: bumpbot

24 Jan 2023, 07:49

ER

If x is an integer, is 15 a factor of x?

555-605 (Medium) | Multiples and Factors

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

Bunuel

27 Aug 2015, 01:51

14

8

5,217

by: bumpbot

26 Jan 2023, 07:34

ER

If |x| = |y|, is x/y = -1?

Sub 505 (Easy) | Absolute Values

Sub 505 (Easy) | Absolute Values hide tags

HarveyKlaus

31 Jul 2016, 11:31

25

8

8,233

by: bumpbot

26 Jan 2023, 12:40

ER

If xy + x = z, is |x + y| > z?

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

29 Apr 2016, 02:44

27

8

4,931

by: anon7164

06 Feb 2023, 10:03

ER

Beth and Jim each received a salary increase. If Jim's salary was inc

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

I3igDmsu

07 Jun 2009, 19:43

10

8

10,026

by: bumpbot

08 Feb 2023, 03:50

ER

Each of the offices in a certain building has a floor area

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

wshaffer

02 Jul 2013, 08:48

15

8

15,925

by: bumpbot

09 Feb 2023, 07:37

ER

If k is an integer, is k^3 > k?

505-555 (Easy) | Inequalities, Number Properties

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

Bunuel

13 Feb 2015, 08:50

4

8

4,882

by: bumpbot

11 Feb 2023, 11:13

ER

What is the least value of the positive integer n?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

kiran120680

16 May 2019, 00:48

22

8

6,271

by: bumpbot

12 Feb 2023, 12:43

ER

What is the area of right triangle ABC?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

23 Jan 2015, 07:39

15

8

9,166

by: bumpbot

15 Feb 2023, 08:14

ER

Is quadrilateral a square?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

balas

03 Apr 2012, 07:27

22

8

12,851

by: bumpbot

24 Feb 2023, 08:32

ER

If x, y, and z are positive integers, is (x+y)z greater than (y+z)x ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

TheUltimateWinner

01 May 2020, 13:23

6

8

4,724

by: bumpbot

24 Feb 2023, 10:43

ER

z is an integer such that |z| < 6. Is z positive? (1) |z - 2| > 3 (2)

705-805 (Hard) | Absolute Values, Inequalities

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

Bunuel

20 Feb 2023, 06:31

3

8

2,609

by: SaquibHGMATWhiz

28 Feb 2023, 23:49

ER

Is x 1/16 greater than 5/8?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

alimad

04 Nov 2007, 08:19

30

8

17,312

by: bumpbot

06 Mar 2023, 12:43

ER

A, B, and C are three points on the line shown in the figure. In the

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

Bunuel

19 Jul 2019, 01:03

10

8

4,694

by: bumpbot

10 Mar 2023, 03:29

ER

Is x^2 greater than x ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Carcass

13 Feb 2013, 16:45

19

8

5,974

by: bumpbot

14 Mar 2023, 12:50

ER

Is m/n < mn? (1) mn is positive (2) n < -1

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

09 Oct 2018, 03:17

9

8

3,887

by: bumpbot

15 Mar 2023, 03:59

ER

If x and y are non-zero integers, what is the value of (x^2y 1) ?

805+ (Hard) | Absolute Values, Exponents

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

Bunuel

01 Oct 2018, 04:43

12

8

3,242

by: Bunuel

18 Mar 2023, 11:56

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

4,507

by: bumpbot

20 Mar 2023, 08:38

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

12,883

by: bumpbot

25 Mar 2023, 22:56

ER

What is the value of z in the figure above?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

parkhydel

28 Apr 2020, 08:06

16

8

14,141

by: bumpbot

26 Mar 2023, 11:09

Is x^2 * y^2< xy ?

555-605 (Medium) | Algebra, Inequalities

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

idontknowwhy94

06 Oct 2016, 13:25

16

8

4,069

by: bumpbot

27 Mar 2023, 00:22

ER

A pyramid-shaped box to protect a plant is constructed with 4 lateral

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

06 Mar 2023, 00:16

21

8

7,640

by: bumpbot

30 Mar 2023, 07:26

ER

What is the value of positive integer n ? (1) n^5! = 1 (2) n^5 = n!

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

23 May 2022, 12:35

9

8

3,270

by: Bunuel

07 Apr 2023, 04:44

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

3,793

by: bumpbot

08 Apr 2023, 01:41

ER

Is integer y > 0? (1) (2 + y) > 0 (2) (2 + y)^2 > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

27 Jul 2016, 01:43

15

8

7,272

by: bumpbot

11 Apr 2023, 07:31

ER

If ▢ and △ represent digits, is the 5-digit number 14,2▢△ divisible

505-555 (Easy) | Multiples and Factors

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

Bunuel

23 May 2020, 08:47

22

8

7,611

by: bumpbot

13 Apr 2023, 05:22

ER

A rectangle has sides x and y and diagonal z. What is the perimeter of

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

02 Jun 2018, 13:26

5

8

2,526

by: TheBipedalHorse

19 Apr 2023, 22:17

ER

For a week Raymond is paid at the rate of x dollars per hour

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Jcpenny

31 Dec 2014, 04:30

17

8

14,404

by: bumpbot

23 Apr 2023, 11:50

ER

Sides AB, BC, and CD of quadrilateral ABCD all have length 10. What is

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

28 Apr 2015, 05:20

13

8

6,853

by: GMATking94

02 May 2023, 11:49

ER

What is the units digit of the positive integer x? (1) x/5 = y.2, wher

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

18 Mar 2020, 03:26

8

4,263

by: Bunuel

02 May 2023, 23:50

ER

What is the value of x ? (1) a^(2x) = b^(x+6) (2) ab = 1

655-705 (Hard) | Exponents

655-705 (Hard) | Exponents hide tags

Bunuel

19 May 2021, 08:30

9

8

1,927

by: rajivcusat2003

06 May 2023, 12:41

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

5,180

by: Bunuel

07 May 2023, 06:59

ER

What is the perimeter of ∆PQS ?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

arhumsid

02 Oct 2015, 10:40

18

8

4,259

by: bumpbot

07 May 2023, 08:45

ER

If m is a positive integer, is the value of p + q at least twice the

555-605 (Medium) | Exponents, Number Properties

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

gmatpapa

08 Jun 2015, 02:01

16

8

5,791

by: bumpbot

09 May 2023, 00:19

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

7,956

by: bumpbot

09 May 2023, 06:02

ER

Does the integer g have a factor f such that 1 < f < g ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

gupta87

12 Feb 2017, 07:43

62

8

11,772

by: bumpbot

11 May 2023, 05:06

ER

If x dollars are placed in a savings account that earns y% annual inte

655-705 (Hard) | Percent and Interest Problems

655-705 (Hard) | Percent and Interest Problems hide tags

Bunuel

07 Nov 2019, 03:19

18

8

5,459

by: bumpbot

14 May 2023, 23:32

ER

If s - 1/s < 1/t - t, then is s > t ? (1) s > 1 (2) t > 0

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

06 Jun 2022, 06:54

10

8

3,626

by: HoudaSR

20 May 2023, 07:28

ER

What is the area of the shaded region above, if ABCD

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

goodyear2013

11 Jan 2014, 08:16

30

8

14,310

by: gmatophobia

22 May 2023, 04:31

ER

Is r^x < 100?

705-805 (Hard) | Exponents +2 tags

705-805 (Hard) | Exponents, Inequalities, Roots hide tags

Bunuel

03 Oct 2017, 00:05

34

8

4,919

by: bumpbot

22 May 2023, 08:00

ER

What is the third side of the ∆ABC with sides 3-5-x? 1) ∆ABC encloses

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

GMATinsight

29 Sep 2020, 05:01

13

8

2,283

by: bumpbot

24 May 2023, 21:49

ER

Two chefs, Chef Andrew and Chef Bonnie, were hired to prepare a dinner

505-555 (Easy) | Work and Rate Problems

505-555 (Easy) | Work and Rate Problems hide tags

neeti1813

19 Sep 2014, 19:43

24

8

14,499

by: bumpbot

29 May 2023, 16:41

ER

If m and n are positive integers, what is the greatest common factor

705-805 (Hard) | Multiples and Factors

705-805 (Hard) | Multiples and Factors hide tags

Bunuel

01 Sep 2019, 22:53

12

8

4,346

by: bumpbot

30 May 2023, 12:57

ER

If ninety percent of the expected number of managers

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

BlueRobin

21 Jun 2011, 00:25

25

8

13,253

by: bumpbot

30 May 2023, 13:15

ER

If m and n are positive integers, is m/n = 3/7 ?

605-655 (Medium) | Fractions and Ratios, Inequalities

605-655 (Medium) | Fractions and Ratios, Inequalities hide tags

Bunuel

20 Aug 2018, 00:19

25

8

5,372

by: bumpbot

03 Jun 2023, 08:00