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

78,869

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

188,613

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

488,058

by: bb

29 Aug 2025, 13:27

ER

Is x a negative number? (1) 4x + 24 > 0 (2) 4x 24 < 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

11 May 2022, 02:00

1

837

by: chanchal541

18 May 2022, 00:07

ER

Is x a negative number? (1) -5*x^99 is positive (2) -5*x^100 is ne

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

30 Apr 2018, 08:16

1

1,190

by: Hero8888

30 Apr 2018, 16:33

ER

Is x a negative number?

655-705 (Hard) | Absolute Values, Inequalities

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

hogann

29 Dec 2013, 03:34

107

13

27,028

by: bumpbot

12 Jan 2025, 10:43

ER

Is x a negative number?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

28 Dec 2017, 00:53

3

5

2,033

by: spetznaz

17 Apr 2018, 07:30

ER

Is x a multiple of 9? (1) x = (b!)(c), where b and c are distinct int

655-705 (Hard) | Multiples and Factors

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

Bunuel

10 Oct 2019, 23:17

3

1,197

by: merajul

16 Oct 2019, 04:39

ER

Is x a multiple of 72?

505-555 (Easy) | Multiples and Factors

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

MHIKER

30 Oct 2018, 15:23

11

3

4,354

by: bumpbot

20 Apr 2024, 04:39

ER

Is x a multiple of 4?

505-555 (Easy) | Multiples and Factors

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

AS0306

22 Sep 2019, 07:34

14

11

5,564

by: bumpbot

23 Nov 2022, 14:54

ER

Is x a multiple of 12?

655-705 (Hard) | Multiples and Factors

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

dreambeliever

01 Oct 2017, 05:01

37

12

10,056

by: bumpbot

23 Nov 2025, 05:13

ER

Is x a factor of y ?

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

GMATBusters

24 Oct 2020, 19:01

5

17

4,124

by: bumpbot

25 Aug 2023, 03:36

ER

Is x a digit (an integer from 0 to 9)?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

vivaslluis

24 Oct 2010, 09:41

5

4,965

by: bumpbot

22 Oct 2022, 04:23

ER

Is x 3? (1) |x| = 3 (2) x is positive.

Sub 505 (Easy) | Absolute Values, Algebra

Sub 505 (Easy) | Absolute Values, Algebra hide tags

Bunuel

30 May 2022, 01:31

2

2,107

by: bumpbot

27 Jul 2025, 12:41

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

Is x ≤ 3? (1) 6x ≤ 24 (2) 3x + 1 ≥ 12

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

23 Feb 2022, 08:30

1

2

2,049

by: nasgmatbag

19 Sep 2023, 01:57

ER

Is x |y| > y^2? (1) x > 0 (2) x > y

705-805 (Hard) | Absolute Values, Inequalities

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

Russ19

23 Oct 2020, 01:18

6

4

1,835

by: bumpbot

16 Sep 2022, 05:51

ER

Is x = y? (1) x/y = y/x (2) x^2 = y

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

chetan2u

13 Apr 2020, 23:03

2

3

1,017

by: TestPrepUnlimited

16 Apr 2020, 10:45

ER

Is x = y? (1) x^4 + y^4 = 2x^2y^2 (2) x^4 + y^4 = 0

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

09 May 2023, 03:30

1

784

by: mcmoorthy

09 May 2023, 05:58

ER

Is x = y? (1) x + y = 100 (2) (x 50)^2 = (y 50)^2

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

shyind

11 Nov 2015, 01:27

15

12

7,343

by: bumpbot

10 Jan 2024, 11:26

ER

Is x = y? (1) |x| + |y| = 0 (2) x^2 + y^2 = 0

555-605 (Medium) | Absolute Values, Algebra

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

MathRevolution

01 Jun 2017, 01:09

10

4

2,673

by: bumpbot

31 Jul 2018, 10:39

ER

Is x = y? (1) x^2 = xy (2) x^2 = y^2

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

nusmavrik

02 Aug 2010, 10:49

40

9

12,660

by: bumpbot

14 Mar 2025, 03:15

ER

Is x = y? (1) x^2 = xy (2) x^2 = y^2

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

talismaaniac

17 Nov 2017, 08:00

8

3

2,109

by: bumpbot

22 Aug 2022, 05:57

ER

Is x = y? (1) ax = ay (2) a^2x = a^2y

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

kamathimanshu

27 Jun 2021, 23:43

37

9

13,870

by: gmatophobia

18 Jul 2023, 23:00

ER

Is x = y?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

peacewarriors

08 Jul 2014, 02:03

8

7

2,952

by: bumpbot

29 Oct 2020, 02:43

ER

Is x = y?

555-605 (Medium) | Absolute Values, Algebra

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

Bunuel

14 Aug 2017, 06:18

3

5

2,238

by: ScottTargetTestPrep

24 Aug 2017, 13:36

ER

Is x = y ? (1) xy is negative. (2) x + y is positive.

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

15 Jul 2019, 01:07

2

1,962

by: KSBGC

15 Jul 2019, 01:35

ER

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

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

25 Feb 2022, 02:30

5

2

2,089

by: bumpbot

25 Aug 2025, 11:39

ER

Is x = y ? (1) The results when x and y are each rounded to the neare

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

09 Jun 2021, 05:30

2

1,411

by: Pritishd

29 Sep 2021, 03:02

ER

Is x = y ? (1) (x + y)(1/x + 1/y) = 4 (2) x – 100 = y – 100

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

06 Sep 2019, 10:55

1

1,325

by: Harsh9676

06 Sep 2019, 11:11

ER

Is x = y ? (1) xy ≠ 0 (2) xy < 0

555-605 (Medium) | Algebra, Inequalities

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

Bunuel

10 Dec 2016, 06:32

7

4

3,095

by: bumpbot

10 Apr 2023, 04:13

ER

Is x = y ? (1) x^6 = y^3 (2) x > 0

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Thelegend2631

31 Aug 2021, 00:31

7

2,004

by: bumpbot

22 Nov 2023, 19:19

ER

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

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

26 Apr 2019, 03:27

47

10

20,501

by: bumpbot

29 Aug 2023, 08:26

ER

Is x = 9? (1) x^2 – 7x – 18 = 0 (2) x^2 – 10x + 9 = 0

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

14 Jul 2019, 23:35

1

2

1,204

by: kitipriyanka

14 Jul 2019, 23:59

ER

Is x = 9?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

rockroars

10 Nov 2010, 04:53

3

4

3,704

by: bumpbot

28 Jul 2020, 03:52

ER

Is x = 5?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

14 Aug 2017, 06:18

5

4

2,680

by: antztheman

26 Aug 2017, 03:35

ER

Is x = 4? (1) |x + 2| < 10 (2) |x + 5| > 10

605-655 (Medium) | Absolute Values, Inequalities

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

Bunuel

20 Apr 2018, 06:14

20

8

6,279

by: bumpbot

24 Jul 2025, 08:51

ER

Is x = 4?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

GMATBusters

08 Dec 2018, 10:03

2

1,546

by: Desertchampion

17 Sep 2019, 12:38

ER

Is x = 4 a solution to the equation x^2 + mx 48 = 0?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

02 Feb 2023, 02:30

2

1

1,201

by: gmatophobia

02 Feb 2023, 07:43

ER

Is x = 4 ? (1) (x^2)^(1/2) = 4 (2) |x| = -x

605-655 (Medium) | Absolute Values

605-655 (Medium) | Absolute Values hide tags

nevilpat1

01 Oct 2021, 06:26

12

9

4,281

by: chetan2u

01 Oct 2021, 04:43

ER

Is x = 3? (1) x^2 + 6x + 9 = 0 (2) x^2 + 7x - 21 > 0

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

09 Mar 2016, 13:19

6

12

3,382

by: Aderonke01

30 Apr 2019, 13:02

ER

Is x = 3? (1) |x| = 3 (2) x is positive.

Sub 505 (Easy) | Absolute Values

Sub 505 (Easy) | Absolute Values hide tags

Bunuel

31 May 2022, 01:30

2

1

1,588

by: zhanbo

31 May 2022, 01:57

ER

Is x = 3? (1) x^2 + 17x - 60 = 0 (2) x - y^2 > 0

605-655 (Medium) | Algebra, Inequalities

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

Bunuel

09 Mar 2016, 13:21

3

2,219

by: WannaManaConsult

14 May 2021, 11:50

ER

Is x = 3? (1) x = (−3y − 3)/(1− y) (2) |x|/x + x|x| > 0

705-805 (Hard) | Absolute Values, Algebra

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

Bunuel

22 Jul 2019, 01:53

8

3

2,802

by: bumpbot

10 Sep 2023, 23:39

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

2,891

by: Bunuel

28 Sep 2019, 10:03

Is x = 3?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

hiteshahire22

12 Sep 2015, 11:22

38

2

2,965

by: bumpbot

21 Jul 2020, 05:51

ER

Is x = 3?

555-605 (Medium) | Algebra, Inequalities

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

Bunuel

09 Mar 2016, 13:22

2

1,985

by: shahsuhailp

11 Jun 2019, 22:16

ER

Is x = 3?

555-605 (Medium) | Inequalities, Number Properties

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

GMATBusters

08 Dec 2018, 10:11

2

4

1,520

by: veekoul

09 Dec 2018, 13:59

ER

Is x = 3 ? (1) |x| - 3 = 0 (2) x = √9

555-605 (Medium) | Absolute Values, Algebra

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

Raxit85

10 Feb 2020, 23:57

7

1

1,222

by: BhishmaNaidu99

18 Feb 2020, 22:55

ER

Is x = 20? (1) 20 < |x + 10| < 30 (2) 10 < |x + 5| < 30

555-605 (Medium) | Absolute Values, Inequalities

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

Bunuel

27 Dec 2022, 02:30

7

1

2,296

by: gmatophobia

27 Dec 2022, 05:35

Is x = 2? (1) x > 1 (2) x is one of the numbers from the

Sub 505 (Easy) | Statistics and Sets Problems

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

nonameee

13 May 2024, 01:09

3

2,654

by: fluke

05 Oct 2011, 04:56

ER

Is x = 1/y? (1) xy = 1 (2) 1/(xy) = 1

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

21 Oct 2015, 21:33

32

16

30,859

by: bumpbot

10 Jun 2025, 22:26

ER

Is x = 1? (1) x = x^3^0 (2) x^2 - 2x + 1 = 0

505-555 (Easy) | Algebra, Exponents

505-555 (Easy) | Algebra, Exponents hide tags

Bunuel

06 Feb 2015, 07:21

13

6

5,138

by: bumpbot

21 Apr 2023, 05:16