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

79,896

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

858

24

189,017

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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

488,735

by: bb

29 Aug 2025, 13:27

ER

Is the integer r divisible by 3?

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

jimmyjamesdonkey

08 Apr 2015, 03:39

58

12

33,296

by: bumpbot

21 Aug 2025, 00:16

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If x is a non-zero integer (40 + 24)/x is an integer?

605-655 (Medium) | Multiples and Factors

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

Bunuel

29 Oct 2015, 01:23

10

9

3,793

by: bumpbot

19 Aug 2025, 17:47

ER

What is the remainder when the positive integer P is divided by 6?

705-805 (Hard) | Multiples and Factors

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

GMATWhizTeam

07 Apr 2020, 23:41

23

10

5,130

by: bumpbot

19 Aug 2025, 01:52

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If y is a positive odd number smaller than 33, does y have a factor p

655-705 (Hard) | Multiples and Factors, Number Properties

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

Bunuel

17 Jan 2023, 11:15

1

3

1,393

by: bumpbot

18 Aug 2025, 14:03

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If K is a positive integer less than 10 and N = 4,321 + K, what is the

605-655 (Medium) | Multiples and Factors

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

Bunuel

09 Dec 2014, 07:38

164

12

30,657

by: bumpbot

18 Aug 2025, 13:40

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If w represents the tens digit in a = 2,125,4w6. What is the value of

655-705 (Hard) | Multiples and Factors

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

Bunuel

06 Nov 2019, 02:18

5

2

3,261

by: bumpbot

18 Aug 2025, 13:11

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If m is a two-digit number, what is the remainder when m is divided by

605-655 (Medium) | Multiples and Factors

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

Bunuel

20 Jan 2023, 02:30

9

7

2,415

by: bumpbot

18 Aug 2025, 12:00

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Given that m is an integer, Is (m)(m + 1)(m + 2) divisible by 24?

655-705 (Hard) | Multiples and Factors, Number Properties

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

RenB

04 Oct 2023, 17:45

8

4

2,629

by: DylanD

18 Aug 2025, 10:50

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If j and k are positive integers, is 6 a factor of j?

655-705 (Hard) | Arithmetic, Multiples and Factors

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

aragonn

28 Mar 2019, 00:14

17

5

6,514

by: DylanD

17 Aug 2025, 16:11

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Is (x - y) divisible by 3?

655-705 (Hard) | Multiples and Factors

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

alphonsa

21 Aug 2014, 00:15

2

5

4,311

by: bumpbot

17 Aug 2025, 05:58

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w, x, y, and z are integers. If w > x > y > z > 0, is y a common divis

805+ (Hard) | Algebra +3 tags

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

ashiima

17 Feb 2022, 01:56

671

17

73,403

by: bumpbot

17 Aug 2025, 01:37

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Let b and x be positive integers. If b is the greatest divisor of x th

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

Bunuel

20 Jan 2017, 07:40

6

5

2,213

by: bumpbot

16 Aug 2025, 13:28

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What is the value of a positive integer x? (1) x has exactly two disti

705-805 (Hard) | Multiples and Factors

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

Bunuel

26 Sep 2018, 05:35

6

8

3,274

by: Pranavsawant

11 Aug 2025, 16:57

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The least possible value divisible by both a and b is 36. What are the

705-805 (Hard) | Multiples and Factors

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

Bunuel

06 Dec 2022, 10:30

3

2

1,160

by: bumpbot

11 Aug 2025, 12:42

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Is the positive integer n a multiple of 24 ?

555-605 (Medium) | Multiples and Factors, Number Properties

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

MHIKER

23 Feb 2011, 00:35

170

12

37,820

by: bumpbot

11 Aug 2025, 05:46

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If x is a positive integer greater than 1, what is the value of x?

555-605 (Medium) | Multiples and Factors

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

Bunuel

19 Jul 2016, 12:00

219

19

51,201

by: bumpbot

11 Aug 2025, 05:23

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If p, x, and y are positive integers, y is odd, and p = x^2

805+ (Hard) | Multiples and Factors +2 tags

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

1, 2

netcaesar

14 Aug 2009, 12:49

836

29

57,302

by: gmatchile

11 Aug 2025, 00:22

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If a, b, and c are positive integers, is 2a/(bc) ?

655-705 (Hard) | Multiples and Factors, Number Properties

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

Bunuel

01 Feb 2021, 01:15

11

2

2,793

by: bumpbot

09 Aug 2025, 11:58

ER

If a and b are single-digit positive numbers and a/b is NOT a recurrin

705-805 (Hard) | Inequalities +2 tags

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

Bunuel

29 May 2015, 06:22

33

6

7,400

by: bumpbot

05 Aug 2025, 04:39

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What is the greatest common factor of x and y ?

555-605 (Medium) | Multiples and Factors, Number Properties

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

1, 2

maryann

13 Feb 2011, 09:15

174

27

35,678

by: bumpbot

05 Aug 2025, 04:09

ER

In a sequence of 13 consecutive integers, all of which are

805+ (Hard) | Multiples and Factors, Sequences

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

dimitri92

02 Jul 2013, 14:05

43

14

14,383

by: bumpbot

04 Aug 2025, 23:17

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Does positive integer n have positive integer factors a and b such tha

705-805 (Hard) | Multiples and Factors, Remainders

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

Bunuel

02 Dec 2019, 00:16

51

9

4,487

by: bumpbot

03 Aug 2025, 15:48

ER

If x and y are positive integers, Is x a multiple of y?

705-805 (Hard) | Multiples and Factors

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

Rakesh1987

17 May 2019, 11:28

5

3

3,369

by: bumpbot

03 Aug 2025, 06:58

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If x and y are positive integers, is x a multiple of y?

655-705 (Hard) | Multiples and Factors

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

sahuamit91

05 Sep 2017, 10:40

61

8

9,814

by: bumpbot

03 Aug 2025, 06:27

ER

Is n divisible 35? 1) 4n^2/15 = Integer 2)2n/7=Integer

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

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

GMATinsight

26 Nov 2020, 22:36

13

5

1,849

by: bumpbot

31 Jul 2025, 20:08

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If n is a positive integer, what is the greatest common factor

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

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

Mo2men

01 Aug 2018, 20:50

66

9

9,420

by: bumpbot

30 Jul 2025, 03:06

ER

How many of the three different positive integers a, b, and c are divi

655-705 (Hard) | Multiples and Factors

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

Bunuel

02 Mar 2022, 03:00

2

3

1,980

by: svsivakrishna

28 Jul 2025, 12:33

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a, b, and c are three integers such that a and b are less

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

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

Carcass

18 Apr 2012, 06:05

25

11

7,804

by: bumpbot

28 Jul 2025, 11:31

ER

If x, y, and z are positive integers, where x is an odd number and

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

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

Bunuel

21 Jun 2023, 01:31

10

4

2,211

by: bumpbot

27 Jul 2025, 03:25

ER

If N is a positive integer

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

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

EgmatQuantExpert

13 Aug 2018, 02:27

31

10

7,159

by: bumpbot

26 Jul 2025, 00:16

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If a, b, and c are positive integers, and a is a multiple of 3

705-805 (Hard) | Multiples and Factors

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

CrackverbalGMAT

26 May 2019, 01:17

7

4

3,226

by: bumpbot

24 Jul 2025, 08:28

ER

If x and y are positive integers, what is the greatest common factor

705-805 (Hard) | Multiples and Factors

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

Bunuel

17 May 2018, 05:52

24

8

5,331

by: bumpbot

23 Jul 2025, 06:06

ER

If a and b are positive itegers, what is the value of a + b?

505-555 (Easy) | Multiples and Factors, Number Properties

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

Stiv

02 Jul 2012, 03:47

62

8

16,374

by: bumpbot

19 Jul 2025, 15:43

ER

If N = 100x + 10y + z is a three-digit positive integer, is N divisibl

605-655 (Medium) | Multiples and Factors

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

Bunuel

10 Apr 2018, 06:35

8

4

6,271

by: bumpbot

19 Jul 2025, 03:44

ER

If n is a positive integer greater than 1, what is the smallest positi

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

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

AbhiJ

15 Jul 2013, 08:40

34

8

10,036

by: bumpbot

17 Jul 2025, 20:27

ER

w, x, y and z are positive integers. When w is divided by x, the quoti

805+ (Hard) | Multiples and Factors, Remainders

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

BrentGMATPrepNow

13 May 2018, 06:47

64

7

8,400

by: bumpbot

17 Jul 2025, 03:54

ER

What is the greatest integer factor of x if both x and y are integers?

655-705 (Hard) | Multiples and Factors

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

Bunuel

31 Jul 2018, 22:02

14

6

5,335

by: bumpbot

16 Jul 2025, 11:18

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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

1,696

by: bumpbot

16 Jul 2025, 06:28

ER

If n is a positive integer, is 169 a factor of n?

655-705 (Hard) | Multiples and Factors

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

Bunuel

24 Jul 2019, 08:00

32

6

6,679

by: bumpbot

15 Jul 2025, 14:38

ER

Is p^2 divisible by 24? p is an integer. 1) p is divisible by 6 2) p^3

655-705 (Hard) | Multiples and Factors

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

TheUltimateWinner

19 Apr 2019, 09:15

7

4

2,688

by: bumpbot

15 Jul 2025, 14:34

ER

If X is a positive integer less than 20, what is the value of X ?

655-705 (Hard) | Multiples and Factors, Number Properties

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

amanvermagmat

07 May 2018, 23:10

5

3

3,762

by: bumpbot

15 Jul 2025, 14:06

ER

If a positive integer n has 6 different positive factors, what is the

655-705 (Hard) | Multiples and Factors

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

Bunuel

05 Dec 2022, 02:30

6

4

2,040

by: bumpbot

15 Jul 2025, 13:35

ER

Is √(56x) an integer?

655-705 (Hard) | Multiples and Factors, Number Properties

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

honchos

01 Dec 2013, 17:36

10

4

6,301

by: bumpbot

15 Jul 2025, 13:18

ER

If x is a positive integer, is x-1 a factor of 104?

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

enigma123

22 Jan 2012, 16:44

90

14

22,338

by: bumpbot

15 Jul 2025, 09:57

ER

The difference between positive two-digit integer A and the smaller tw

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

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

Bunuel

23 Apr 2015, 03:57

74

12

7,981

by: bumpbot

13 Jul 2025, 16:42

ER

If x, y, and z are digits is (x + y + z) a multiple of 9?

655-705 (Hard) | Multiples and Factors, Number Properties

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

Yalephd

17 Mar 2011, 17:04

11

9

9,962

by: bumpbot

10 Jul 2025, 13:27

ER

If a and b are positive integers, is the sum a + b divisible by 4?

655-705 (Hard) | Multiples and Factors, Number Properties

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

kiran120680

01 Apr 2019, 10:10

11

5

3,994

by: bumpbot

10 Jul 2025, 13:22

ER

Is the positive integer n a multiple of 40?

655-705 (Hard) | Exponents, Multiples and Factors

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

Bunuel

01 Mar 2019, 11:19

52

7

8,974

by: bumpbot

10 Jul 2025, 13:10

ER

Can n/192 be an integer?

655-705 (Hard) | Multiples and Factors

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

Bunuel

30 Oct 2019, 02:08

8

3

2,222

by: bumpbot

10 Jul 2025, 12:21

ER

The positive integers x, y, and z are such that x is a factor of y and

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

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

1, 2

amitgovin

15 Jul 2019, 04:59

200

24

60,896

by: bumpbot

07 Jul 2025, 00:29