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

176

15

78,823

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

856

24

188,583

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,018

by: bb

29 Aug 2025, 13:27

ER

What is the value of 6y + 2x^2 ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

01 Nov 2015, 09:26

1

7

3,137

by: bumpbot

26 Jun 2020, 10:10

ER

Amari, Belen, and Chiaki all make purchases from the same vendor at an

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

21 Mar 2018, 05:43

3

7

1,876

by: Papist

25 Jun 2020, 10:15

ER

A bag contains black and white marbles. How many white marbles are the

Sub 505 (Easy) | Probability

Sub 505 (Easy) | Probability hide tags

Bunuel

24 Jul 2015, 00:57

5

7

8,858

by: bumpbot

20 Jun 2020, 05:43

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

1,399

by: chetan2u

14 Jun 2020, 23:19

ER

In the decimal representation of z above, x denotes the tenths digit o

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

03 Jun 2020, 02:02

7

2,762

by: yashikaaggarwal

03 Jun 2020, 20:48

ER

Out of the 100 kids that went to the party, how many girls danced ther

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

Bunuel

02 Jun 2020, 02:32

8

7

2,462

by: sambitspm

03 Jun 2020, 02:18

ER

If xy = z, what is the value of y ?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

25 Sep 2017, 23:58

12

7

7,324

by: bumpbot

25 May 2020, 06:39

ER

If x is a positive integer, what is the value of x?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

20 May 2020, 00:54

7

3,290

by: monikakumar

20 May 2020, 22:18

ER

On a certain field trip, the ratio of teachers to students was 3 : 7.

505-555 (Easy) | Fractions and Ratios

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

Bunuel

14 Nov 2014, 09:57

15

7

6,112

by: bumpbot

05 May 2020, 06:14

ER

Is x > y ? (1) x >= (y - 2)^2 - 1 (2) y < |x|

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

Bunuel

01 May 2020, 03:17

14

7

2,596

by: ShankSouljaBoi

02 May 2020, 10:24

ER

If a, b, c and d are integers, how many of these are odd?

605-655 (Medium) | Inequalities, Number Properties

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

chetan2u

30 Apr 2020, 01:11

7

2,452

by: freedom128

01 May 2020, 03:36

ER

How many distinct factors does positive integer k have?

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

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

Bunuel

25 Nov 2014, 08:33

10

7

6,723

by: bumpbot

22 Apr 2020, 10:24

ER

Is m > n ? (1) m^2 + n^2 > 2mn (2) |m|n = m|n|

605-655 (Medium) | Absolute Values +2 tags

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

Bunuel

20 Apr 2020, 04:12

14

7

7,583

by: sauravleo123

20 Apr 2020, 21:57

ER

Is r^6*s^3*t^4 negative?

655-705 (Hard) | Inequalities, Number Properties

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

GMATBusters

18 Apr 2020, 06:56

3

7

1,695

by: sauravleo123

18 Apr 2020, 11:55

ER

What is the measure of angle SQR in the figure above?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

07 Feb 2018, 06:03

3

7

4,201

by: Bunuel

09 Apr 2020, 13:47

ER

In the figure, is x a multiple of y? (1) ∠BOD measures 45°. (2) ∠BOE m

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

12 Jul 2019, 00:45

1

7

1,658

by: Farina

07 Apr 2020, 11:19

ER

If x, y and z are positive integers, is xz even?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

01 Oct 2018, 04:55

5

7

2,567

by: CrackverbalGMAT

01 Apr 2020, 00:14

ER

At a certain circus, every child was given either two or three balloon

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

14 Nov 2014, 09:55

11

7

4,392

by: bumpbot

24 Mar 2020, 21:50

ER

Let an infinite series of positive integers be termed "pure" if it con

605-655 (Medium) | Multiples and Factors, Number Properties

605-655 (Medium) | Multiples and Factors, Number Properties hide tags

Bunuel

16 Mar 2020, 01:52

8

7

2,445

by: chaitralirr

16 Mar 2020, 23:22

ER

A cube is enclosed in a cylinder, what is the largest possible volume

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

14 Sep 2018, 02:04

10

7

3,441

by: bumpbot

16 Mar 2020, 04:27

ER

The great garment company X was established in 1929. In 192

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

GMATBusters

14 Mar 2020, 19:16

1

7

1,541

by: ashwini2k6jha

15 Mar 2020, 04:31

ER

The lengths of the sides of triangle ABC are such that AB = x + 2, BC

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

25 Feb 2015, 03:21

7

10,488

by: bumpbot

13 Mar 2020, 07:23

ER

If ab = c where a, b, and c are positive integers and a and b are prim

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

18 Nov 2019, 02:04

1

7

2,281

by: SaikatRoy

11 Mar 2020, 04:11

ER

A new wing is to be added to a certain hospital, creating 50 additiona

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

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

Bunuel

05 Mar 2020, 02:01

9

7

3,726

by: AnirudhaS

05 Mar 2020, 23:15

ER

Is the tens digit of p equal to 6?

705-805 (Hard) | Fractions and Ratios

705-805 (Hard) | Fractions and Ratios hide tags

Bunuel

25 Nov 2019, 02:41

10

7

3,004

by: jrk23

01 Mar 2020, 08:14

ER

If A and B are positive integers, is A – B even?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

20 Feb 2020, 01:24

6

7

4,062

by: lacktutor

21 Feb 2020, 00:52

ER

Is the average (arithmetic mean) of x, y and z equal to 16?

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

19 Feb 2020, 02:23

6

7

4,342

by: vthatha

19 Feb 2020, 16:10

ER

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

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

sang5650

31 Mar 2010, 15:34

3

7

5,016

by: bumpbot

19 Feb 2020, 07:17

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

4,046

by: bumpbot

18 Feb 2020, 05:38

ER

Is 2^(y+z)*3^x*5^y*7^z < 90^y*14^z?

655-705 (Hard) | Exponents, Inequalities

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

Bunuel

17 Jan 2020, 02:22

3

7

2,667

by: satya2029

21 Jan 2020, 00:13

ER

If a and b are positive integers and the ratio a/b is expressed as a

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

06 Jan 2020, 06:16

9

7

4,163

by: Bunuel

07 Jan 2020, 07:09

ER

What is the measure of angle AOB in the circle with center O?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

02 Sep 2018, 23:42

8

7

5,283

by: anurasi

27 Dec 2019, 01:55

ER

What is the measure of angle ACB in the circle above with center O?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

09 Sep 2018, 08:07

5

7

2,694

by: bumpbot

24 Dec 2019, 13:46

ER

How many members of the staff of Advanced Computer Technology Consulti

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

22 Dec 2019, 23:33

6

7

2,727

by: Bunuel

23 Dec 2019, 21:42

ER

A cake recipe calls for sugar and flour in the ratio of 2 cups to 1 cu

505-555 (Easy) | Fractions and Ratios

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

Bunuel

20 Dec 2019, 00:07

6

7

9,216

by: Bunuel

22 Dec 2019, 22:41

ER

If x + y > 0, is xy < 0? (1) x^2y < 1 (2) x + 2y < 0

655-705 (Hard) | Exponents, Inequalities

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

Bunuel

05 Nov 2018, 00:31

9

7

3,495

by: bumpbot

18 Dec 2019, 12:33

ER

If ab is two digit positive integer, what is remainder of 8^(ab) divid

655-705 (Hard) | Exponents, Remainders

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

Bunuel

10 Dec 2019, 00:38

14

7

2,485

by: Archit3110

10 Dec 2019, 19:41

ER

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

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

rxs0005

19 Mar 2011, 06:43

15

7

4,892

by: bumpbot

09 Dec 2019, 01:26

ER

What is the area of square ABCD?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

17 Feb 2016, 03:35

7

8,130

by: bumpbot

05 Dec 2019, 19:45

ER

Is x > 0? (1) |3 - x| < |x + 5| (2) |3 - 2x| < x - 1

655-705 (Hard) | Absolute Values, Inequalities

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

pushpitkc

27 Dec 2017, 11:16

8

7

2,971

by: bumpbot

03 Dec 2019, 20:15

ER

Is g+h > 3.6?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

22 Apr 2015, 03:32

16

7

12,930

by: merajul

25 Nov 2019, 10:57

ER

Is x a positive number? (1) x + 6 > 2 (2) x^2 > 25

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

06 May 2019, 03:03

3

7

3,201

by: merajul

22 Nov 2019, 10:13

ER

If x is an integer, is y an integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

19 Nov 2019, 23:43

7

2,275

by: vg18

20 Nov 2019, 22:57

ER

If y ≠ 0, is y > 0? (1) |y| > 1 (2) y^2 + y/y^2 > 1

505-555 (Easy) | Absolute Values, Inequalities

505-555 (Easy) | Absolute Values, Inequalities hide tags

Bunuel

13 Apr 2018, 02:10

4

7

2,542

by: merajul

16 Nov 2019, 06:05

ER

a/5 + 5/a > 2 ?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

pk123

23 Aug 2015, 04:29

8

7

2,508

by: bumpbot

29 Oct 2019, 16:18

ER

Is the perimeter of equilateral triangle T equal to the circumference

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

enigma123

02 Apr 2012, 03:10

9

7

5,538

by: bumpbot

13 Oct 2019, 00:58

ER

Is A^B > B^A? (1) A^A > A^B (2) B^A > B^B

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

08 Oct 2019, 20:55

7

2,351

by: lacktutor

09 Oct 2019, 16:56

ER

Is a^2 + a > -b^2?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Creeper300

07 Nov 2010, 13:39

9

7

4,538

by: bumpbot

25 Sep 2019, 05:20

ER

In a certain restaurant, if each soft drink costs the same amount, wha

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

23 Sep 2019, 21:22

4

7

2,220

by: exc4libur

24 Sep 2019, 04:33

ER

If |m - 1| = |n + 1|, what is the value of m — n ?

705-805 (Hard) | Absolute Values, Inequalities

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

GMATBusters

15 Mar 2019, 00:14

7

2,772

by: CrackverbalGMAT

24 Sep 2019, 04:05