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

79,118

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

188,758

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

488,341

by: bb

29 Aug 2025, 13:27

ER

Is mn < 100? (1) m < 2 (2) n < 5

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

23 Jan 2021, 09:45

3

4

1,238

by: Archit3110

24 Jan 2021, 08:17

ER

Is mn < 0?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

18 Apr 2016, 01:00

1

3

3,468

by: bumpbot

07 Sep 2021, 09:57

ER

Is Marta older than Abby? (1) Marta is younger than Ruth, who is

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

21 Feb 2024, 02:30

3

2

909

by: Shubhradeep

21 Feb 2024, 11:46

ER

Is m+n prime?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

GMATBusters

28 Mar 2020, 19:50

4

9

2,266

by: LILICHKA

22 Feb 2022, 02:27

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Is m+10 positive?

Poor Quality

Poor Quality hide tags

sandysilva

18 Dec 2017, 02:58

7

1,830

by: sandysilva

18 Dec 2017, 07:58

ER

Is m>n? (1) |m+n| < |m| + |n| (2) |m| > |n| + 1

605-655 (Medium) | Absolute Values, Inequalities

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

Bunuel

02 Jun 2021, 03:00

6

2

1,468

by: Niveditha28

02 Jun 2021, 04:02

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

2,564

by: Papist

25 Jun 2020, 12:11

ER

Is m/n < mn? (1) mn is positive (2) n < -1

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

09 Oct 2018, 03:17

9

8

3,887

by: bumpbot

15 Mar 2023, 03:59

ER

Is m/n > 0? (1) m + n > 0 (2) mn > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

17 Sep 2023, 05:45

2

974

by: Archit3110

17 Sep 2023, 06:34

ER

Is m/2 an integer?

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

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

Bunuel

27 Dec 2016, 09:04

2

2,195

by: saurabhsavant

09 Jan 2017, 07:13

ER

Is m/(n^2+1) > n/(m^2+2)? (1) m = n (2) n < 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

06 Jan 2020, 07:12

7

2,903

by: bumpbot

29 Jan 2022, 03:25

ER

Is m, which does not equal zero, a positive number?

Sub 505 (Easy) | Algebra, Number Properties

Sub 505 (Easy) | Algebra, Number Properties hide tags

Bunuel

02 Feb 2016, 02:05

1

3

3,038

by: bumpbot

31 Oct 2017, 05:51

ER

Is m-n > 0?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

GMATBusters

01 Feb 2020, 19:00

2

12

3,414

by: J2S2019

02 Feb 2020, 06:32

ER

Is m^n a perfect square?

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barryseal

01 Dec 2018, 06:24

5

15

1,840

by: barryseal

03 Dec 2018, 00:11

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Is m^3 > m^2?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

fireinbelly

28 Apr 2013, 03:05

12

14

5,289

by: GMATCoachBen

20 Oct 2022, 13:46

ER

Is m^2n + mn^2 = 0 ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

14 Jul 2015, 00:55

23

18

5,015

by: bumpbot

07 Sep 2019, 01:56

ER

Is m^2/n>0?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

GMATBusters

25 Jan 2020, 23:52

1

9

1,483

by: firas92

28 Jan 2020, 10:31

ER

Is m positive?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

hideyoshi

07 Sep 2015, 17:45

8

4

2,841

by: bumpbot

29 Apr 2023, 02:10

ER

Is m divisible by n?

555-605 (Medium) | Multiples and Factors

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

Bunuel

22 Dec 2016, 02:31

5

4

5,633

by: EgmatQuantExpert

26 Mar 2018, 10:49

ER

Is m divisible by n?

555-605 (Medium) | Multiples and Factors

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

vikasp99

07 Mar 2017, 03:37

4

2

1,717

by: ScottTargetTestPrep

09 Mar 2017, 17:18

ER

Is m divisible by 6? (1) m is divisible by 3 (2) m is divisible by 4

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Bunuel

27 Nov 2018, 02:51

5

4

23,368

by: bumpbot

31 Oct 2021, 22:59

ER

Is m divisible by 14 ? (1) The greatest common factor of m and 42 is 6

655-705 (Hard) | Multiples and Factors

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

Bunuel

23 Sep 2022, 06:08

4

3

1,687

by: bumpbot

16 Jul 2025, 06:28

ER

Is m divisible by 11?

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

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

GMATBusters

13 Apr 2020, 20:12

9

5

1,910

by: bumpbot

22 Oct 2024, 12:52

ER

Is m between 35 and 75 ?

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

02 Nov 2017, 02:04

2

3

4,477

by: bumpbot

27 Feb 2024, 11:48

ER

Is m an integer? (1) m^2 is an integer. (2) m is an integer.

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

01 May 2019, 03:47

2

1,368

by: LevanKhukhunashvili

01 May 2019, 05:52

ER

Is m a multiple of n? 1) 2m is a multiple of n 2) n divided

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TheUltimateWinner

27 Jun 2019, 10:09

3

5

1,381

by: Arro44

30 Jun 2019, 11:53

ER

Is m a multiple of 6? (1) More than 2 of the first 5 positive integer

705-805 (Hard) | Multiples and Factors

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

Bunuel

01 May 2019, 03:37

18

11

5,626

by: bumpbot

27 May 2024, 22:45

Is m a multiple of 588?

555-605 (Medium) | Multiples and Factors

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

Carcass

01 Sep 2022, 03:16

3

2

1,153

by: gmatophobia

02 Sep 2022, 00:32

ER

Is m a multiple of 14?

505-555 (Easy) | Multiples and Factors

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

Bunuel

19 Dec 2016, 04:54

2

2,295

by: nahid007

22 Jan 2017, 12:02

ER

Is m ≠ n ? (1) m + n > 0 (2) m < 2n

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

10 Mar 2017, 04:00

2

1,660

by: Mo2men

11 Mar 2017, 05:33

ER

Is m ≠ n ? (1) m + n < 0 (2) mn < 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

akhileshgupta05

27 Jun 2011, 21:17

107

19

30,248

by: bumpbot

13 Mar 2024, 05:04

ER

Is m ≠ n ? (1) m^2 = n^2 (2) |m| = |n|

Sub 505 (Easy) | Absolute Values, Algebra

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

Bunuel

30 Jan 2017, 10:53

7

3

3,603

by: bumpbot

04 Jul 2019, 06:48

ER

Is m ≠ n ? (1) (m – n)(m + n) < 0 (2) |m + n| > m + n

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

14 Mar 2017, 02:57

10

6

3,610

by: chetan2u

08 Jun 2021, 00:43

ER

Is m = 5? (1) (m - 5)(n - 6) = 0 (2) (n - 6) = 0

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

shriwasakshat

02 Jun 2025, 00:42

1

2

432

by: Bunuel

02 Jun 2025, 00:57

ER

Is m +n^3 odd?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

GMATBusters

04 Jan 2020, 19:10

17

3,967

by: bumpbot

14 May 2022, 23:10

ER

Is m + z > 0 (1) m - 3z > 0 (2) 4z - m > 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

1, 2

kman

26 Apr 2018, 02:47

657

29

125,303

by: SomeOneUnique

01 Nov 2024, 18:30

ER

Is m + k greater than k? (1) m is positive (2) k is positive

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

06 Dec 2016, 07:22

2

1,902

by: mbaprep2016

06 Dec 2016, 12:41

ER

Is m < n? (1) m < n^2 (2) |m| < n

555-605 (Medium) | Absolute Values, Inequalities

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

Ravixxx

19 Mar 2020, 03:11

13

7

5,380

by: bumpbot

31 Mar 2023, 11:17

ER

Is m < m^2 < m^3, for all real values of m?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

13 Dec 2022, 09:00

2

3

1,063

by: SaquibHGMATWhiz

14 Dec 2022, 08:36

ER

Is m < 5 < n?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

GMATBusters

16 Apr 2020, 11:41

2

6

2,166

by: Archit3110

16 Apr 2020, 21:27

ER

Is m < 0? (1) -m = |-m| (2) m^2 = 9

655-705 (Hard) | Absolute Values, Inequalities

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

seekmba

26 Oct 2023, 09:18

109

12

24,616

by: bumpbot

23 Jan 2025, 12:59

ER

Is m > n? (1) 3/7 < m < 5/7 (2) 2/7 < n < 4/7

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

22 Nov 2018, 03:53

4

1,905

by: Archit3110

23 Nov 2018, 22:10

Is m > n? (1) m + k > n + k (2) m – n > 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Russ19

11 Oct 2020, 07:17

2

1,596

by: bumpbot

24 Oct 2023, 21:00

ER

Is m > n?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

18 Jun 2015, 02:42

7

4,937

by: bumpbot

16 Jun 2025, 05:12

ER

Is m > n ? (1) m/n > 1 (2) (m - n)/n > (m - n)/m

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

12 Nov 2022, 09:42

3

2

1,637

by: gmatophobia

13 Nov 2022, 08:05

ER

Is m > n ? (1) n – m + 2 > 0 (2) n – m – 2 > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

ksha

08 Jul 2021, 00:27

24

10

15,520

by: bumpbot

20 Nov 2023, 10:22

ER

Is m > n ? (1) m^2 + n^2 > 2mn (2) |m|n = m|n|

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

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

Bunuel

20 Apr 2020, 04:12

14

7

7,604

by: sauravleo123

20 Apr 2020, 21:57

ER

Is m > k? (1) 3m > 3k (2) 2m > 2k

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

rpamecha

21 Apr 2012, 15:27

6

3

13,665

by: bumpbot

12 Jan 2023, 00:29

ER

Is m > 5 ? (1) (m - 10)(m - 5) > 0 (2) m > 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

17 Jun 2018, 04:35

6

8

2,668

by: hsn81960

28 Feb 2019, 07:08

ER

Is m > 0? (1) mn = 15 (2) m + n = 8

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

GMATBusters

01 Feb 2020, 19:46

2

9

1,987

by: Archit3110

02 Feb 2020, 02:15