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

179

15

79,156

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

188,781

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

488,371

by: bb

29 Aug 2025, 13:27

ER

Is n even? 1) 2/n is a non-terminating decimal 2) 3/n is a terminatin

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

GMATinsight

28 Feb 2021, 01:58

2

1,265

by: Archit3110

01 Mar 2021, 01:37

ER

Is n less than 1? (1) n is less than 0.01 percent of 10,000. (2) n is

505-555 (Easy) | Inequalities, Percent and Interest Problems

505-555 (Easy) | Inequalities, Percent and Interest Problems hide tags

parkhydel

28 Apr 2020, 05:14

26

3

27,443

by: bumpbot

25 Jan 2026, 23:32

ER

Is n negative?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

gmatpapa

19 Apr 2011, 05:54

12

8

5,530

by: bumpbot

24 Jan 2026, 23:49

ER

Is n negative? (1) n^2 + n − 6 = 0 (2) n^2 + 6n + 9 = 0

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

30 Oct 2019, 23:19

1

2

1,592

by: satya2029

31 Oct 2019, 01:18

ER

Is n negative? (1) (1 n^2) < 0 (2) n^2 n 2 < 0

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

04 Jul 2023, 01:30

12

9

2,716

by: Avneeshyadav01

21 Jul 2023, 02:42

ER

Is n odd? (1) n^2 - 2n is not a multiple of 4. (2) n is a multiple of

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

GMATinsight

17 Mar 2022, 02:00

3

1

1,101

by: Archit3110

20 Mar 2022, 08:08

ER

Is n prime?

555-605 (Medium) | Algebra, Number Properties

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

Bunuel

21 May 2017, 11:32

2

5

2,489

by: Kritesh

22 May 2017, 10:33

ER

Is n the square of an integer?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

GMATinsight

19 Jan 2016, 09:38

16

5

5,048

by: bumpbot

01 Jul 2024, 06:03

ER

Is n the square of an integer?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Bunuel

23 Jan 2017, 09:29

5

7

2,476

by: bumpbot

17 Sep 2025, 21:48

ER

Is n the square of an integer? (1) n is the square root of an integer

805+ (Hard) | Number Properties, Roots

805+ (Hard) | Number Properties, Roots hide tags

Bunuel

01 Jul 2018, 21:47

53

10

5,178

by: bumpbot

08 Dec 2022, 07:08

ER

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

655-705 (Hard) | Exponents, Inequalities

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

aryamanpanda

12 Jul 2021, 05:21

9

3

2,107

by: gmatbyexample

12 Jul 2021, 10:58

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Is n^2 < n^3 ? (1) n^2 < 1 (2) n^3 < 1

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

gmat1220

12 Jul 2021, 07:30

11

9

5,616

by: bumpbot

30 Nov 2023, 20:07

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Is n^2 + 2n an integer? (1) n^3 + 3n is an integer. (2) 2n

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conty911

26 Apr 2012, 03:05

4

19

5,212

by: stne

13 Feb 2014, 07:15

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Is n^2 an even integer?

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avohden

02 Nov 2013, 00:56

14

7

3,959

by: Bunuel

07 Jan 2021, 00:36

ER

Is n(n + 1) a multiple of 3?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

aparnaharish

07 Sep 2013, 06:02

16

4

5,074

by: Ashu9876

03 Apr 2023, 02:39

ER

Is n(n+1)(n+2) divisible by 24?

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

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

PrepTap

07 May 2015, 00:08

64

10

17,623

by: bumpbot

21 Aug 2025, 12:08

ER

Is n/12 an integer?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Bunuel

28 Jul 2017, 01:44

11

4

3,022

by: bumpbot

19 Jul 2024, 23:07

ER

Is n/14 an integer? (1) n is divisible by 28. (2) n is divisible by

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

shasadou

23 Sep 2015, 02:43

15

11

8,099

by: Bunuel

19 Sep 2022, 02:10

ER

Is n/14 an Integer? 1) 3n/14 is an Integer 2) 2n/14 is an Integer So

805+ (Hard) | Multiples and Factors, Number Properties

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

GMATinsight

19 Oct 2018, 07:17

8

6

2,536

by: bumpbot

05 Oct 2024, 22:22

ER

Is n/18 an integer? (1) 5n/18 is an integer. (2) 3n/18 is an integer.

805+ (Hard) | Multiples and Factors, Number Properties

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

1, 2

shinewine

29 Aug 2006, 14:07

324

21

48,992

by: bumpbot

22 Oct 2025, 00:58

ER

Is N/2 an odd integer? (1) 2N is even (2) N is even

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Carcass

27 Feb 2012, 07:04

5

7

4,771

by: Nipungupta9081

25 Jan 2021, 22:31

ER

Is N=W ?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

Poma777

30 Nov 2011, 19:54

15

6

4,763

by: BloomingLotus

12 Sep 2017, 09:12

ER

Is natural number p prime? 1) 2^p-1 is prime 2) p^2-12 has has

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TheUltimateWinner

28 May 2019, 10:26

1

1,347

by: IanStewart

28 May 2019, 14:56

ER

Is non-negative integer x an even integer?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

chetan2u

12 Jan 2017, 08:35

2

5

2,411

by: bumpbot

12 Jul 2018, 08:40

ER

Is nonnegative integer x odd? (1) x! = |x - 1|! (2) x! = (x + 1)!

655-705 (Hard) | Absolute Values, Number Properties

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

Bunuel

03 Jul 2018, 10:48

4

1,847

by: SaquibHGMATWhiz

09 Nov 2022, 10:16

ER

Is nonnegative integer x odd? (1) x! = |x - 1|! (2) x! = (x + 1)!

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

Bunuel

14 Jan 2017, 05:31

1

4

2,674

by: parthwagh1234

11 Feb 2024, 09:37

ER

Is number x between 0.2 and 0.5 ? (1) 300x > 54 (2) 900x < 360

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

10 Mar 2017, 07:04

2

1,330

by: rohit8865

10 Mar 2017, 08:05

ER

Is number x between 0.3 and 0.6 ? (1) 200x > 70 (2) 500x < 350

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

26 Aug 2022, 17:30

2

1

801

by: stne

03 Sep 2022, 03:47

Is one of P or Q a fraction?

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JayPatadiya

15 Jul 2019, 01:14

1

5

1,087

by: Palladin

17 Jul 2019, 00:51

ER

Is one of the angles of the quadrilateral ABCD equal to 90 degrees?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Raxit85

11 Feb 2020, 00:58

2

2,178

by: bumpbot

18 Oct 2022, 13:05

ER

Is P > |Q| ? (1) P^2 > Q^3 (2) P > Q

605-655 (Medium) | Absolute Values, Inequalities

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

Bunuel

27 Oct 2021, 07:00

7

6

3,089

by: bumpbot

16 Jun 2025, 05:23

ER

Is P > |Q|? (1) P^2 > Q^3 (2) P > Q

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

28 Jun 2020, 13:26

5

6

3,187

by: bumpbot

22 May 2025, 03:06

ER

Is p > q ? (1) 0 < p < 0.5 (2) 0.4 < q < 1

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

11 Jul 2019, 00:46

3

2,411

by: Kinshook

31 Jul 2019, 10:59

ER

Is p > q ? (1) p + r > q + s and r > s (2) p + s < q + r and s > r

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Bunuel

11 Nov 2019, 04:08

11

8

8,047

by: aditijain1507

02 May 2022, 10:20

ER

Is p > q ? (1) p^2 > q (2) p^3 <q

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

TBT

16 Feb 2023, 11:24

6

3

3,063

by: RenB

06 May 2023, 20:01

ER

Is p > q ? (1) p^2 > q^2 (2) p^3 > q^3

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

saikiranjadav

15 Oct 2022, 08:49

10

4

13,175

by: bumpbot

15 Oct 2021, 18:24

ER

Is p > q (1) 2p/3 < 3q/8 (2) 7p/11 < 4q/5

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

ShankSouljaBoi

15 Aug 2020, 20:07

54

6

7,493

by: Bunuel

08 Dec 2023, 00:52

ER

Is p > q? (1) p^3 > q^3 (2) p - q > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

02 Oct 2020, 00:00

5

3

1,610

by: bumpbot

15 Jul 2023, 05:20

ER

Is p > q? (1) p/q = 8/7 (2) p^2 > q^2

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

talismaaniac

17 Nov 2017, 07:56

27

4

12,237

by: bumpbot

11 Nov 2025, 13:13

ER

Is p > q? (1) 1/q < 1/p (2) p/q > 0.25

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

rajthakkar

18 Nov 2022, 04:46

15

3

7,920

by: bumpbot

24 Aug 2025, 21:39

ER

Is p > q? (1) p^2 > q (2) p^3 > q

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

27 Dec 2022, 02:30

4

6

1,910

by: bumpbot

09 Jul 2024, 13:38

ER

Is p > q? (1) p/q > 1 (2) (p - q)/q > (p - q)/p

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

raashiedm

01 Mar 2018, 14:25

22

6

7,820

by: bumpbot

13 Jul 2023, 05:40

ER

Is p < 5? (1) In the coordinate plane, (3,p) lies inside the circle

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Bunuel

20 Mar 2020, 01:41

7

8

3,456

by: razorhell

21 Mar 2020, 05:18

ER

Is p < q ? (1) 1/3*p < 1/3*q (2) –p + x > –q + x

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

11 Jul 2019, 02:15

4

7

1,185

by: MidhilaMohan

11 Jul 2019, 08:31

ER

Is p < q? (1) 3p < 3q (2) ap > aq

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

GMATNinja

13 Feb 2024, 00:59

2

3

1,224

by: Bunuel

12 Apr 2025, 06:36

ER

Is p + pz = p? (1) p = 0 (2) z = 0

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

04 Jun 2017, 06:11

32

7

21,618

by: nivivacious

29 Jan 2024, 20:04

ER

Is p + q > 0? (1) p/(p + q) > 0 (2) q/(p + q) > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

10 Dec 2018, 03:55

8

7

2,707

by: bumpbot

29 Jan 2022, 03:01

ER

Is p + q > pq ? (1) p > 0 > q (2) |q| = p

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

25 May 2022, 06:44

4

4,654

by: bumpbot

06 May 2024, 13:10

ER

Is P + Q > R + S ?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

paam0101

09 Jul 2010, 13:13

26

7

11,583

by: Neeraj5

21 Jun 2025, 08:03

ER

Is p + q = 0 ?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Asifpirlo

09 Aug 2013, 02:51

17

6

4,008

by: bumpbot

25 Jan 2026, 00:22