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

78,651

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

854

24

188,477

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

487,865

by: bb

29 Aug 2025, 13:27

ER

If x is an integer, what is the remainder when |1 - x^2| is divided by

655-705 (Hard) | Number Properties, Remainders

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

Bunuel

15 May 2015, 04:32

27

10

5,377

by: AdiBir

11 Aug 2020, 10:43

ER

If y < 0 < x, is x/y > -1?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

BrentGMATPrepNow

02 Oct 2018, 14:48

10

2,894

by: bumpbot

02 Jul 2020, 00:14

ER

If xy0, is |x|>|y|

Poor Quality

Poor Quality hide tags

MathRevolution

19 Jan 2018, 01:17

2

10

3,169

by: Bunuel

26 Jun 2020, 07:44

ER

is m/n greater than 1 ?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

GMATBusters

04 Apr 2020, 01:39

7

10

2,557

by: Papist

25 Jun 2020, 12:11

ER

In the given figure, O is the center of the circle and BC is the tange

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

02 Jun 2020, 04:27

11

10

3,657

by: Shrey08

04 Jun 2020, 21:03

ER

What is the value of B if a = b/c^2 ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

06 May 2015, 03:36

5

10

3,597

by: Ved22

19 May 2020, 21:24

ER

If x^a*x^b = x^c, is what is c/(a+b)?

655-705 (Hard) | Exponents

655-705 (Hard) | Exponents hide tags

GMATBusters

10 May 2020, 10:59

10

2,156

by: StevenA

10 May 2020, 05:15

ER

What is the 57th term of the GP (geometric progression) whose first te

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

GMATBusters

09 May 2020, 18:56

5

10

2,658

by: shameekv1989

10 May 2020, 04:35

ER

The perimeter of a rectangular window is 28 feet. What is the length

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

rocketmandoman

04 Apr 2019, 23:59

9

10

2,790

by: UJJWALGULHANI

22 Apr 2020, 10:58

ER

Is Z an integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

AjChakravarthy

10 Jan 2015, 14:05

21

10

8,226

by: bumpbot

21 Apr 2020, 00:17

ER

What is the number of 10 cents coins in the piggy bank?

555-605 (Medium) | Fractions and Ratios, Word Problems

555-605 (Medium) | Fractions and Ratios, Word Problems hide tags

Bunuel

09 Mar 2020, 02:27

12

10

3,332

by: lacktutor

10 Mar 2020, 00:15

ER

Every member of Meg’s immediate family agrees to share equally the cos

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

14 Feb 2020, 01:55

8

10

2,223

by: lacktutor

16 Feb 2020, 14:26

ER

If y is an integer, and y

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

GMATBusters

15 Feb 2020, 19:35

3

10

2,971

by: bM22

16 Feb 2020, 07:12

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

4,190

by: bumpbot

03 Feb 2020, 11:53

ER

Is ad > bc ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

josemarioamaya

20 Sep 2013, 00:39

16

10

5,207

by: bumpbot

29 Jan 2020, 10:30

ER

Is 96 divisible by integer x?

555-605 (Medium) | Multiples and Factors

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

Bunuel

27 Oct 2019, 21:39

10

2,884

by: Kinshook

28 Oct 2019, 22:29

ER

Is X^N an integer? (1) X is an integer (2) N is an integer

605-655 (Medium) | Exponents, Number Properties

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

Bunuel

09 Sep 2019, 21:04

5

10

4,053

by: djmobley

30 Sep 2019, 19:13

ER

Is x = 3? (1) (x - 4)(x - 3)/(x - 3) = 0 (2) (x – 4)(x + 4) = 0

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

peacewarriors

15 Jun 2020, 23:58

4

10

2,886

by: Bunuel

28 Sep 2019, 10:03

ER

Is (A/B)^3 < (AB)^3 ? (1) A > 0 (2) AB > 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

11 Sep 2019, 21:10

6

10

4,901

by: kris19

12 Sep 2019, 07:35

ER

How long does it take to drive from the factory to the warehouse?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

02 Sep 2019, 23:19

5

10

2,333

by: Archit3110

03 Sep 2019, 22:38

ER

How many integers are there between integers i and k, inclusive?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

29 Aug 2019, 23:39

4

10

4,705

by: Bunuel

31 Aug 2019, 07:24

ER

Is |x| > 10?

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

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

chetan2u

08 Oct 2017, 21:06

9

10

2,932

by: bumpbot

02 Jul 2019, 12:34

ER

Is x > x^2?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

rxs0005

24 Jan 2011, 08:38

9

10

4,446

by: bumpbot

24 Jun 2019, 04:54

ER

Is x(x+1)(x+2) divisible by 4 (where x is an integer)?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

paam0101

16 Jul 2010, 12:26

2

10

4,045

by: bumpbot

20 Jun 2019, 12:09

ER

What is the difference of the integers m and n ?

655-705 (Hard) | Absolute Values, Inequalities

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

guerrero25

18 Jun 2013, 15:41

18

10

4,655

by: bumpbot

13 Jun 2019, 22:57

ER

If X and Y are positive integers, is X greater than Y?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

18 Jul 2016, 08:25

5

10

5,331

by: Stepk1386

06 Jun 2019, 14:47

ER

If x and y are two distinct positive integers, is x/y an int

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

alphonsa

18 Aug 2014, 09:42

5

10

4,509

by: IanStewart

18 May 2019, 17:31

ER

What is the area of rectangle ABCD?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

desaichinmay22

04 Dec 2014, 01:47

13

10

4,310

by: Bunuel

17 May 2019, 00:48

ER

Z is a two digit positive integer, Z is equal to 7 times the sum of it

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Creeper300

05 Nov 2010, 09:41

6

10

4,662

by: bumpbot

05 Apr 2019, 00:18

ER

Is |a - b| + |c - b|= |c -a| ?

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

25 May 2016, 04:51

15

10

3,491

by: bumpbot

22 Mar 2019, 02:49

ER

A room of height 10 feet and equal length and width has a cylindrical

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

12 Sep 2018, 00:43

6

10

2,294

by: GMATinsight

29 Oct 2018, 22:50

ER

Vishwanathan Anand & Gary Kasparov play a series of 5 chess games. The

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

Bunuel

10 Jun 2018, 05:17

12

10

8,594

by: ShankSouljaBoi

22 Oct 2018, 21:31

ER

If p, q and r are three consecutive integers, in that order and p > 1,

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Poor Quality hide tags

DHAR

10 Oct 2018, 06:12

20

10

12,807

by: Gaagi1406

10 Oct 2018, 10:55

ER

If the maximum number of identical cylinders, standing upright and tou

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

17 Sep 2018, 22:06

16

10

2,130

by: chetan2u

03 Oct 2018, 20:39

ER

If x is a positive integer, is x^(1/2) greater than 20?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

01 Nov 2015, 09:24

8

10

3,137

by: bumpbot

19 Jul 2018, 07:20

ER

Is |x| < 5?

605-655 (Medium) | Absolute Values, Inequalities

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

alphonsa

18 Aug 2014, 09:10

16

10

4,582

by: dabaobao

15 Jun 2018, 08:27

ER

If x + y + z = 6, then do any two of the three numbers x, y, and z sum

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

30 Jul 2015, 10:49

6

10

3,828

by: LevanKhukhunashvili

28 Mar 2018, 01:22

ER

If k is an integer, what is the value of k?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

24 Mar 2015, 04:44

5

10

4,830

by: niks18

25 Dec 2017, 09:28

ER

If x is negative, is x <-3? (1) x^2 > 9 (2) x^3 <

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

IEsailor

19 May 2011, 00:17

20

10

7,646

by: Bunuel

29 Nov 2017, 00:47

ER

In an Isosceles Triangle ABC, point D lies on segment BC. Angle B is 4

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

raj44

12 Dec 2014, 07:43

11

10

6,694

by: Madhavi1990

05 Nov 2017, 03:07

ER

If sequence S has 100 terms, what is the 83rd term of S?

Sub 505 (Easy) | Sequences

Sub 505 (Easy) | Sequences hide tags

Bunuel

02 Jun 2016, 11:52

3

10

7,953

by: santro789

03 Oct 2017, 08:27

ER

If x and y are integers, what is the ratio of 3y to x?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

01 Jun 2016, 04:32

4

10

4,187

by: bumpbot

21 Sep 2017, 10:58

ER

If a and b are positive integers, is a + b even?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

06 Dec 2016, 07:25

1

10

2,594

by: harikrish

11 Jul 2017, 09:23

ER

Is y!/x! an integer?

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Poor Quality hide tags

BukrsGmat

13 Jul 2012, 04:17

7

10

7,600

by: akshayk

13 Jun 2017, 22:34

ER

If x is a positive, single-digit integer, is x prime?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

28 Aug 2015, 02:44

13

10

3,609

by: bumpbot

06 Jun 2017, 01:51

ER

On a particular trip, Jane drove x miles at 30 miles per hour and y

705-805 (Hard) | Distance and Speed Problems

705-805 (Hard) | Distance and Speed Problems hide tags

iamdp

10 Jun 2015, 07:11

132

10

17,195

by: Bunuel

17 Mar 2017, 02:20

ER

Is x+y equal to 3.6 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Asifpirlo

10 Aug 2013, 12:02

1

10

3,604

by: saswata4s

10 Mar 2017, 09:58

ER

The figure above represents a rectangular tile. The 8 hexago

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

summer101

11 Jun 2013, 06:19

7

10

5,314

by: BillyZ

15 Jan 2017, 01:31

ER

A certain carton holds fewer than 50 books. What is the number of book

605-655 (Medium) | Number Properties, Remainders

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

nilesh376

17 Apr 2010, 01:52

8

10

10,786

by: Bunuel

06 Oct 2016, 01:29

ER

If A is a prime number, what is the value of A?

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

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

Bunuel

18 Jul 2016, 08:16

3

10

2,655

by: stonecold

21 Aug 2016, 08:57