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

78,797

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

856

24

188,570

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

487,998

by: bb

29 Aug 2025, 13:27

ER

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

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

30 Jan 2023, 04:38

2

1,167

by: gmatophobia

30 Jan 2023, 14:31

ER

Is y > -8? (1) y = 2013^2 - 155^3 - 23^4 (2) y > (2w - 3x - 1)^2 I

655-705 (Hard) | Algebra, Inequalities

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

Bunuel

23 Sep 2015, 02:51

5

6

3,152

by: bumpbot

19 Aug 2022, 03:39

ER

Is y > -4? (1) (1/7)^(4y) > (1/7)^(8y + 14) (2) 4y^2 + 12 y < 0

805+ (Hard) | Exponents, Inequalities

805+ (Hard) | Exponents, Inequalities hide tags

Carcass

05 Mar 2012, 06:46

38

8

8,376

by: bumpbot

13 Nov 2022, 14:39

ER

Is y – z < x – z?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

27 Feb 2017, 04:29

4

5

2,118

by: JeffTargetTestPrep

23 Mar 2017, 17:02

ER

Is y – x positive? (1) y > 0 (2) x = 1 – y

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

satishreddy

28 Oct 2010, 17:44

59

17

18,841

by: agrasan

16 Jul 2025, 22:39

ER

Is y - x > 1/(x - y) ? (1) |x - y┃ > 1 (2) y > x

655-705 (Hard) | Absolute Values, Inequalities

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

shashankp27

05 Sep 2011, 20:48

20

17

7,319

by: bumpbot

01 Mar 2025, 04:24

ER

Is xz = 3? (1) z/4 = 3/x (2) x^2yz = 3xy

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

29 Jun 2022, 01:30

10

3

1,436

by: bumpbot

18 Aug 2025, 18:54

ER

Is xyz divisible by 5?

655-705 (Hard) | Multiples and Factors

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

Bunuel

01 Jun 2016, 04:40

6

3

3,012

by: bumpbot

19 Jul 2022, 09:40

ER

Is xyz divisible by 3?

505-555 (Easy) | Multiples and Factors

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

Bunuel

01 Sep 2022, 01:30

3

2

1,365

by: rkhosla

02 Sep 2022, 03:03

ER

Is xyz = 1? (1) x(y^z) = 1 (2) 5z = 0

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Asmn

28 Aug 2023, 13:23

2

4,374

by: bumpbot

24 Oct 2015, 07:50

ER

Is xyz > 1? 1) xy > 1 2) yz > 1

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

GMATinsight

14 Feb 2022, 08:23

2

1,495

by: BrentGMATPrepNow

14 Feb 2022, 12:08

ER

Is xyz > 0 ? (1) xy + yz > 0 (2) xz > 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

avohden

16 Nov 2013, 00:51

4

5,281

by: bumpbot

03 Apr 2019, 05:55

ER

Is xyz > 0 ? (1) xy > 0 (2) yz > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

MathRevolution

29 Sep 2016, 06:22

19

9

8,455

by: bumpbot

15 Aug 2022, 17:21

ER

Is xyz > 0 ? (1) (x - 3)(y - 3) > 0 (2) z > 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

SelimAIUB

27 Mar 2022, 08:11

9

3

1,693

by: Kinshook

27 Mar 2022, 10:44

ER

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

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

BDSunDevil

22 May 2012, 10:50

11

3

5,791

by: bumpbot

13 Jul 2023, 14:21

ER

Is xy+zt+yz+tx > 0?

805+ (Hard) | Absolute Values +2 tags

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

fskilnik

25 Feb 2019, 15:28

9

4

2,230

by: bumpbot

29 Nov 2022, 11:07

ER

Is xy<0 ? (1) x^3*y^5/x*y^2 <0 (2) |x|-|y|<|x-y

805+ (Hard) | Absolute Values, Inequalities

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

Bunuel

05 Jul 2013, 15:21

99

13

19,004

by: bumpbot

25 Mar 2023, 23:02

ER

Is xy>ab ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

06 Feb 2015, 07:16

23

7

6,992

by: bumpbot

09 Aug 2023, 04:28

ER

Is xy>3?

555-605 (Medium) | Exponents, Inequalities

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

fskilnik

05 Mar 2019, 12:53

32

16

3,741

by: bumpbot

05 Jul 2022, 05:53

ER

Is xy positive? (1) x = y + 1 (2) (x + y)^2 < (x - y)^2

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

01 Oct 2021, 01:30

6

2,408

by: CrackverbalGMAT

03 Oct 2021, 10:38

ER

Is xy positive? (1) (x-y)^2 = 8 (2) (x+y)^2 = 10

555-605 (Medium) | Algebra, Inequalities

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

Bunuel

26 May 2019, 04:22

8

7

5,330

by: chetan2u

18 Sep 2023, 23:09

ER

Is xy greater than 1, if x and y are both positive

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

cv3t3l1na

23 Nov 2012, 08:41

4

3

5,085

by: bumpbot

04 Aug 2023, 02:07

ER

Is xy equal to 12 ? (1) Either x equals 3 or y does not equal 2. (2)

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

12 Jul 2019, 01:38

1

1,049

by: Archit3110

12 Jul 2019, 10:56

ER

Is xy divisible by 3, if xy is a 2-digit number, where x and y are sin

705-805 (Hard) | Multiples and Factors, Number Properties

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

chetan2u

14 Sep 2019, 20:53

7

3

2,039

by: bumpbot

18 Sep 2023, 12:11

ER

Is xy an integer?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

23 Sep 2015, 02:46

9

7

3,909

by: bumpbot

15 Sep 2023, 07:59

ER

Is xy an integer?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

30 Apr 2015, 04:06

17

6

6,730

by: adityasuresh

15 Mar 2023, 08:12

ER

Is xy a multiple of 48? (1) x is a multiple of 4 (2) y is a multiple

505-555 (Easy) | Multiples and Factors

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

Bunuel

09 Aug 2019, 02:20

2

4

3,042

by: bumpbot

28 Apr 2022, 10:56

ER

Is xy 0? (1) y = x + 1 (2) x is an odd number

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

09 Mar 2022, 03:00

5

4

2,790

by: bumpbot

25 Jul 2023, 23:59

ER

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

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

24 Sep 2017, 23:53

2

6

2,190

by: kunalsinghNS

25 Sep 2017, 02:57

ER

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

605-655 (Medium) | Algebra, Inequalities

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

Bunuel

07 Sep 2017, 23:51

1

2

2,221

by: bumpbot

27 Jan 2022, 23:02

ER

Is xy = -1 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

sugu86

27 May 2014, 00:54

4

7

4,619

by: bumpbot

08 Aug 2015, 10:37

Is xy + xz = 0? (1) x = 0 (2) y + z = 0

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

gmat1393

16 Oct 2018, 21:53

2

3

6,975

by: bumpbot

02 Feb 2023, 03:14

ER

Is xy + xy < xy ? (1) x^2/y < 0 (2) x^3y^3 < (xy)^2

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

mun23

07 Feb 2021, 04:28

59

16

17,007

by: bumpbot

02 Jun 2025, 15:57

ER

Is xy + xy < xy ? (1) x^2/y < 0 (2) x^9*(y^3)^3 < (x^2)^4*y^8

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

nitin1negi

07 Feb 2021, 04:29

16

5

5,573

by: bumpbot

23 Oct 2020, 02:00

ER

Is xy <= 6 ? (1) 1 <= x <= 2 and 4 <= y <= 6 (2) x + y = 7

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

16 Dec 2017, 01:46

3

6

2,667

by: exc4libur

18 Dec 2017, 03:06

ER

Poll: Is xy < z? (1) xyz = 1 (2) xyz^2 > 1

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Frank28

08 Jul 2020, 14:51

4

3,315

by: mSKR

09 Jul 2020, 09:58

ER

Is xy < x^2*y^2? (1) xy > 0 (2) x + y = 1

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

PriyankaPalit7

19 Oct 2018, 09:42

4

5

3,061

by: bumpbot

27 Jan 2022, 23:19

ER

Is xy < 8? (1) 1/3 < x < 1/2 (2) x < 4 and y < 2

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Carcass

27 Sep 2022, 01:01

4

3

1,522

by: bumpbot

17 Jan 2024, 03:41

ER

Is xy < 8? (1) x < 2 and y < 4 (2) 0 < x < 1/2 and y^2 < 225

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

06 Oct 2015, 06:03

5

6

5,981

by: Bunuel

11 Oct 2015, 06:51

ER

Is xy < 6 (1) x < 3 and y < 2 (2) 1/2 < x < 2/3 and y^2 < 64

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

sacmanitin

21 Sep 2019, 17:08

209

19

37,958

by: totaltestprepNick

01 Mar 2026, 14:16

ER

Is xy < 6 ? (1) x < 2 (2) y < 3

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

09 Nov 2022, 02:30

5

3

1,491

by: Sarmadk5

15 Dec 2022, 15:18

ER

Is xy < 6 ? (1) x < 3 and -y > -2 (2) y^2 < 100, 1/2 < x < 2/3

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

Bunuel

16 Feb 2021, 21:17

3

2,059

by: bumpbot

30 Sep 2023, 02:19

ER

Is xy < 5 ? (1) x is prime and y is the reciprocal of a

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

surendar26

08 Dec 2010, 04:20

2

3,952

by: bumpbot

22 Aug 2017, 03:43

ER

Is xy < 42? 1) x < 6 2) y < 7

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

QuantMadeEasy

05 May 2021, 04:37

4

2

1,709

by: bumpbot

06 Nov 2022, 12:32

ER

Is xy < 4 ? (1) x^2 + y^2 < 8 (2) x y < 1

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

08 Jun 2022, 17:45

4

2

1,081

by: harshittahuja

12 Jun 2022, 21:32

ER

Is xy < 18 ? (1) x + y < 6 (2) x > 0 and y > 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

27 Feb 2017, 04:31

1

3

1,813

by: akhiparth

05 Mar 2017, 08:35

ER

Is xy < 17 ? (1) x < 0 and y > 0. (2) x ≤ 3 and 2 ≤ y ≤ 5.

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

26 Feb 2017, 09:14

1

4

1,718

by: ccooley

05 Mar 2017, 13:00

ER

Is xy < 15? (1) x < -3 (2) y < -5

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

16 May 2023, 09:30

1

1,603

by: hinasingh

14 Jun 2023, 04:30

ER

Is xy < 15 ? (1) x < 3 (2) y < 5

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

19 Mar 2023, 10:30

1

913

by: $!vakumar.m

19 Mar 2023, 10:40

ER

Is xy < 12? (1) x < 4 and y < 3 (2) x^2 < 121 and y^2 < 4

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

neiln413b

06 Jul 2018, 07:27

2

3

2,109

by: CAMANISHPARMAR

07 Jul 2018, 08:40