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

178

15

79,025

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

857

24

188,699

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

488,228

by: bb

29 Aug 2025, 13:27

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Is x < y? (1) z < y (2) z < x

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

15 Jan 2014, 02:54

12

7

18,287

by: bumpbot

10 Feb 2024, 02:40

ER

Is x < y? (1) xz < yz (2) –3x > 6y

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

29 Jan 2020, 01:57

5

4

2,322

by: bumpbot

16 Jun 2025, 05:11

ER

Is x < y? (1) s > y – t (2) x + s < t

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

17 Apr 2018, 01:01

2

4

2,276

by: SaquibHGMATWhiz

04 Jan 2023, 07:08

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Is x < y? (1) 1/x < 1/y (2) x/y < 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

26 Nov 2017, 09:48

22

4

9,914

by: bumpbot

17 Jan 2024, 18:42

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Is x < y?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Puneethrao

01 Nov 2013, 01:01

14

8

6,287

by: bumpbot

20 Jul 2025, 19:19

ER

Is x < y?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Lolaergasheva

16 May 2016, 19:34

5

3,017

by: pvikas

16 May 2016, 19:28

ER

Is x < y^2 ?

705-805 (Hard) | Absolute Values +2 tags

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

RonPurewal

25 Jul 2017, 00:50

27

7

4,048

by: bumpbot

18 Jan 2026, 01:46

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Is x < y < z ? (1) x - 2 < y - 1 < z (2) x + 2 < y + 1 < z

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

18 Mar 2023, 12:00

1

1,250

by: stne

21 Mar 2023, 02:59

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Is x < y < z ? (1) |x - 1| < y < z + 1 (2) |x + 1| < y < z - 1

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

25 Feb 2020, 01:54

30

4

3,550

by: bumpbot

10 Sep 2024, 23:13

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Is x < y ? (1) y/x > x/y (2) y > 100

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

goodyear2013

18 Apr 2014, 10:04

9

4

3,810

by: CrackverbalGMAT

12 Jun 2019, 05:26

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

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

26 Oct 2023, 01:30

2

799

by: VivekSri

26 Oct 2023, 10:37

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Is x < y ? (1) x^(1/2) > y (2) x^2 > y

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bhavikasingla

10 Jan 2024, 13:12

4

3

1,737

by: chetan2u

10 Aug 2024, 06:55

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

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

28 Dec 2022, 02:30

1

874

by: gmatophobia

28 Dec 2022, 02:37

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Is x < y ? (1) x - y < -4 (2) -2x > -2y

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

31 Jan 2023, 06:58

1

2

1,441

by: bumpbot

10 Feb 2024, 03:05

ER

Is x < y ? (1) The ratio of x to y is 7/9. (2) xy > 0

555-605 (Medium) | Fractions and Ratios, Inequalities

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

Naina1605

12 Feb 2012, 12:18

18

6

13,499

by: mvictor

18 Apr 2017, 13:16

ER

Is x < y ? (1) 3^x < 2^y (2) x > 0 and y > 0

655-705 (Hard) | Exponents, Inequalities

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

Bunuel

31 Mar 2023, 06:45

6

5

1,619

by: unraveled

30 Jun 2024, 10:01

ER

Is x < y ? (1) z < y (2) z < x

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

GMATD11

06 Apr 2011, 10:59

3

6

3,165

by: bumpbot

04 May 2018, 01:03

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

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

13 Aug 2018, 03:48

7

6

4,754

by: bumpbot

09 Jan 2024, 01:36

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

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

26 May 2021, 09:00

1

957

by: Kushagratomar93

26 May 2021, 11:49

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Is x < y ? (1) x^2 - y^2 < 0 (2) -x - y < 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

LamaSalah

27 Feb 2017, 07:17

75

19

19,849

by: bumpbot

22 May 2025, 07:26

ER

Is x < y ? (1) a < x < b (2) a < b < y

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

17 Feb 2020, 05:21

1

1,478

by: IanStewart

17 Feb 2020, 06:26

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Is x < y ? (1) 2x < 3y (2) xy > 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

kabilank87

28 May 2019, 20:44

91

15

33,923

by: bumpbot

25 Aug 2024, 04:13

ER

Is x < y ? (1) 1/x < 1/y (2) x + y = 10

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

13 May 2020, 09:51

4

3

1,068

by: unflinchingSubhs

14 May 2020, 05:27

ER

Is x < y ? (1) 1/x < 1/y (2) x/y < 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

vishalrastogi

05 Nov 2020, 06:39

35

8

6,315

by: rak08

22 May 2025, 03:56

ER

Is x < y ? (1) z^2 < y (2) x < z

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

13 Mar 2017, 08:20

32

6

6,301

by: bumpbot

18 May 2022, 11:59

ER

Is x < y ? (1) z + 1 < y (2) z > x

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

30 Jan 2017, 10:49

6

3

4,017

by: MHIKER

22 Sep 2020, 13:05

ER

Is x < y ? (1) z – 2 < y (2) x < z

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

26 Feb 2017, 09:02

1

1,574

by: GMATinsight

26 Feb 2017, 22:20

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Is x < x^2 < x^3? (1) x < x^3 (2) x^3 > x^2

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

Bunuel

23 Aug 2023, 01:30

1

3

936

by: Bunuel

24 Aug 2023, 00:56

ER

Is x < w ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

[email protected]

10 Jul 2016, 02:52

112

10

38,821

by: Maria240895chile

19 Apr 2023, 07:14

ER

Is x < 5 ? (1) 2|x + 4| - 3 < 15 (2) x^2 < 25

605-655 (Medium) | Absolute Values

605-655 (Medium) | Absolute Values hide tags

Bunuel

15 Feb 2023, 09:28

4

2

2,078

by: bumpbot

10 Mar 2024, 12:04

ER

Is x < 45^{45}? 1) x < 45! 2) x <67!/22!

555-605 (Medium) | Exponents, Inequalities

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

Russ19

06 Dec 2021, 06:01

21

6

2,494

by: IanStewart

08 Mar 2022, 10:19

ER

Is x < 4? (1) x^3 < 8 (2) (x^2)^(1/2) = 2

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

27 Feb 2023, 02:30

2

1

1,125

by: Archit3110

06 Mar 2023, 04:46

ER

Is x < 2?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

24 Jan 2016, 05:35

3

2,207

by: bumpbot

18 Sep 2018, 05:03

ER

Is x < 10 < y? (1) x < y and xy = 100 (2) x^2 < 100 < y^2

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

Bunuel

08 Feb 2021, 09:00

9

6

3,069

by: Bunuel

25 Feb 2023, 11:24

ER

Is x < 1/y? (1) y > 0 (2) xy < 1

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

03 Sep 2023, 08:00

1

946

by: gmatophobia

03 Sep 2023, 09:38

ER

Is x < 1/2 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

29 Apr 2016, 04:02

10

5

3,744

by: bumpbot

18 Oct 2021, 12:40

ER

Is x < 1.2?

805+ (Hard) | Absolute Values, Inequalities

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

Russ19

18 Sep 2021, 10:04

12

3

2,337

by: bumpbot

08 Nov 2022, 07:28

Is x < 1?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

ganand

06 May 2017, 05:09

2

3

2,301

by: WiziusCareers1

06 May 2017, 05:52

ER

Is x < 1 < y? (1) x < x < y (2) x < y < y

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

31 Jan 2023, 07:13

2

1,090

by: gmatophobia

12 Feb 2023, 07:54

ER

Is x < 1 ? (1) x = 1/(3 + y^2) (2) y = -2

605-655 (Medium) | Multiples and Factors

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

Bunuel

28 Nov 2022, 02:30

4

3

994

by: gmatophobia

28 Nov 2022, 09:37

ER

Is x < 0? (1) x^5 + x^3 + 1 < 0 (2) x^3 + 1 < 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

06 Apr 2023, 07:45

1

704

by: gmatophobia

06 Apr 2023, 08:31

ER

Is x < 0? (1) x^2 3x (2) x^2 5x

655-705 (Hard) | Absolute Values, Inequalities

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

GMATinsight

20 Aug 2020, 09:13

9

3

2,088

by: Kalpit1212

23 Aug 2020, 12:20

ER

Is x < 0? (1) x^2 - x > 0 (2) |x| < 1

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

01 Apr 2020, 02:30

14

9

4,125

by: bumpbot

18 Sep 2025, 08:13

ER

Is x < 0? (1) |x| = -x (2) |x| > x

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

Bunuel

26 May 2023, 09:30

2

3

1,815

by: Bunuel

11 Jun 2023, 23:45

ER

Is x < 0? (1) x^3 + 8 < 0 (2) -(x/4 + 3) > 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

02 Apr 2018, 21:51

1

3

1,432

by: Mo2men

03 Apr 2018, 16:47

ER

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

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

03 Dec 2017, 06:27

2

1,605

by: amanvermagmat

03 Dec 2017, 12:06

Is x < 0? (1) 7x > 8x (2) -3(x) > 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

asianboy1992

21 Sep 2019, 23:50

3

1,772

by: Kinshook

22 Sep 2019, 08:47

ER

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

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

idontknowwhy94

07 Oct 2016, 10:34

8

10

3,698

by: bumpbot

13 Jun 2023, 03:48

ER

Is x < 0 ? (1) x^7 < x^5 (2) x^5 < x^8

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Russ19

28 Aug 2021, 05:12

10

5

1,872

by: Archit3110

19 Sep 2021, 11:31

ER

Is x < 0 ? (1) x^5 < x^6 (2) 5^x > 6^x

505-555 (Easy) | Exponents, Inequalities

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

Bunuel

15 Nov 2022, 02:30

4

3

1,391

by: gmatophobia

15 Nov 2022, 05:20