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

79,927

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

189,031

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

488,754

by: bb

29 Aug 2025, 13:27

ER

Given that x is a positive integer, what is the greatest common diviso

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

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Bunuel

07 Jul 2015, 02:28

57

11

9,276

by: bumpbot

28 Mar 2025, 21:54

ER

If y is an integer such that 2 < y < 100 and if y is also the square

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

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Bunuel

14 Jan 2015, 02:35

14

6

6,322

by: bumpbot

28 Mar 2025, 10:08

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If n is a positive integer, is n^3 n divisible by 4 ?

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

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1, 2

bambazoon

18 Aug 2009, 08:53

249

21

54,539

by: bumpbot

28 Mar 2025, 10:00

ER

What is the least possible common multiple of positive integers x and

555-605 (Medium) | Multiples and Factors

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Bunuel

15 Dec 2016, 04:42

8

4

4,042

by: RakshitaR

28 Mar 2025, 02:33

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If n is an integer greater than 1 is 3^n-2^n divisible by 35

805+ (Hard) | Exponents +2 tags

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1, 2

Bunuel

28 Apr 2022, 06:57

320

29

29,394

by: bumpbot

27 Mar 2025, 05:12

ER

A set of five distinct positive integers has a median of 3 and a range

705-805 (Hard) | Multiples and Factors +2 tags

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

rakshitsood

05 Jun 2020, 11:34

26

4

3,917

by: bumpbot

27 Mar 2025, 03:25

ER

If x is a positive integer, how many positive integers less than x are

805+ (Hard) | Multiples and Factors

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gmatt1476

21 Sep 2019, 19:16

329

15

32,707

by: bumpbot

27 Mar 2025, 02:57

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a, b, s, k are different non-zero integers...

705-805 (Hard) | Multiples and Factors

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Limara1

02 Aug 2017, 16:28

2

5

1,568

by: bumpbot

26 Mar 2025, 21:09

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Given that n is an integer, is n 1 divisible by 3?

605-655 (Medium) | Multiples and Factors

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dimitri92

18 May 2010, 05:36

78

18

25,817

by: bumpbot

26 Mar 2025, 06:57

ER

If a and b are consecutive positive integers, and ab = 30x

705-805 (Hard) | Multiples and Factors

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Maxirosario2012

30 Nov 2013, 19:37

63

7

9,057

by: bumpbot

23 Mar 2025, 07:46

ER

Z is a five-digit number as shown above, Is Z^2 divisible by 36?

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

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Bunuel

28 Jan 2022, 02:30

15

3

2,832

by: bumpbot

23 Mar 2025, 01:39

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For any positive integer x, the 2-height of x is defined to be the

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

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Bunuel

26 Oct 2015, 09:58

646

19

73,106

by: bumpbot

23 Mar 2025, 00:06

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If x and y are both integers greater than 1, is x a multiple

555-605 (Medium) | Multiples and Factors

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chineseburned

04 May 2008, 19:26

69

14

19,242

by: bumpbot

20 Mar 2025, 09:19

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If x and y are positive integers, is x divisible by 3?

655-705 (Hard) | Multiples and Factors

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Bunuel

07 Nov 2019, 02:45

20

6

7,246

by: bumpbot

19 Mar 2025, 23:19

ER

Is the positive integer n the square of an integer?

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

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Pdirienzo

19 Feb 2019, 10:50

111

13

13,131

by: Vishwesh08

18 Mar 2025, 10:11

ER

If m and n are positive integers, is |m - n| + |2m - n| + |2n - m|

555-605 (Medium) | Absolute Values +2 tags

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Bunuel

12 Oct 2021, 01:30

13

3

2,796

by: bumpbot

13 Mar 2025, 14:08

ER

If x ≠ 0, does x have an odd number of factors?

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

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Bunuel

31 Jul 2018, 22:00

35

12

6,817

by: bumpbot

12 Mar 2025, 13:50

ER

If x and y are integers, is x divisible by 3?

555-605 (Medium) | Multiples and Factors

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Bunuel

15 Mar 2021, 10:41

4

1,770

by: bumpbot

11 Mar 2025, 22:12

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Is integer N odd? (1) N is a factor of 100. (2) N is a factor of 135

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

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Bunuel

05 Apr 2023, 01:30

5

2,759

by: Bunuel

10 Mar 2025, 08:22

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What is the value of integer z?

655-705 (Hard) | Multiples and Factors +2 tags

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Bunuel

08 Apr 2015, 04:52

54

14

8,720

by: bumpbot

08 Mar 2025, 12:25

ER

Is the integer x a multiple of 10?

Sub 505 (Easy) | Multiples and Factors

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eybrj2

31 Mar 2012, 02:39

22

10

13,029

by: bumpbot

05 Mar 2025, 03:21

ER

After the first term, each term in a sequence is five times greater

705-805 (Hard) | Multiples and Factors

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Bunuel

20 Mar 2022, 03:01

9

6

4,212

by: bumpbot

04 Mar 2025, 21:53

ER

If a, b and c are even integers greater than 10, is a+b divisible by 6

605-655 (Medium) | Multiples and Factors

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Bunuel

24 Oct 2023, 01:30

7

3

1,673

by: bumpbot

04 Mar 2025, 04:47

ER

What is the remainder when N is divided by 8? (1) N is a product of

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

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nkmungila

17 Oct 2017, 05:33

10

4

3,747

by: bumpbot

04 Mar 2025, 03:34

ER

If x, y and z are positive integers, is it true that x^2 is divisible

705-805 (Hard) | Multiples and Factors

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Bunuel

19 Jan 2023, 02:30

9

13

2,489

by: bumpbot

27 Feb 2025, 00:53

ER

If m, n are positive integers, what is the value of mn?

605-655 (Medium) | Multiples and Factors

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Bunuel

23 Sep 2023, 08:15

4

2

1,549

by: Mahi2804

25 Feb 2025, 09:57

What is the GCD of a and b?

705-805 (Hard) | Multiples and Factors

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PrepTap

25 Feb 2025, 07:15

15

5

4,133

by: bumpbot

25 Feb 2025, 07:03

ER

If c is a positive integer less than 10 and n = 9446 + c, then what is

555-605 (Medium) | Multiples and Factors

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Bunuel

16 Jul 2015, 01:18

8

9

5,594

by: bumpbot

22 Feb 2025, 03:21

ER

If x is an integer, does x have a factor n such that 1 < n < x?

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

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

zisis

08 Sep 2010, 11:52

291

14

29,177

by: Bunuel

21 Feb 2025, 10:40

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If a and b are positive integers, is a^4-b^4 divisible by 4?

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

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BillyZ

23 Mar 2017, 00:23

85

17

12,189

by: anirchat

19 Feb 2025, 11:49

ER

If x is an integer greater than zero but less than integer n, is x is

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

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Bunuel

29 Apr 2019, 06:18

10

5,903

by: bumpbot

19 Feb 2025, 08:09

ER

If m, n, and p as positive integers, is the expression m^2 + n^3 + p^5

705-805 (Hard) | Multiples and Factors

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Bunuel

29 Dec 2023, 02:30

6

2

1,570

by: bumpbot

19 Feb 2025, 08:07

ER

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

655-705 (Hard) | Multiples and Factors

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banksy

26 Feb 2011, 17:44

41

7

26,027

by: bumpbot

19 Feb 2025, 03:35

ER

If x and y are positive integers, what is the remainder when x + y is

605-655 (Medium) | Multiples and Factors, Remainders

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Bunuel

29 Mar 2023, 06:45

3

2

2,075

by: bumpbot

18 Feb 2025, 02:42

ER

If P, Q, R, and S are positive integers, and P/Q = R/S, is R

655-705 (Hard) | Multiples and Factors

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rxs0005

01 Feb 2011, 11:01

53

14

21,103

by: bumpbot

17 Feb 2025, 05:18

ER

Is the positive integer x divisible by each integer from 2 through 6 ?

605-655 (Medium) | Multiples and Factors

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pego2008

14 May 2016, 03:14

475

17

64,390

by: bumpbot

13 Feb 2025, 03:38

ER

If x, y, and z are positive integers such that x < y < z is x a factor

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

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mm007

20 Dec 2006, 16:05

155

19

36,695

by: bumpbot

10 Feb 2025, 22:31

ER

If the positive integer x is a multiple of 24 and the positive integer

655-705 (Hard) | Multiples and Factors

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Bunuel

14 Apr 2021, 05:00

4

3

2,622

by: bumpbot

09 Feb 2025, 10:50

ER

If a and b are positive integers, is a/b an integer?

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

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Bunuel

10 Feb 2017, 09:53

27

14

14,186

by: bumpbot

09 Feb 2025, 10:38

ER

If a and b are non-negative integers, is the number of the divisors of

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

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Bunuel

04 Nov 2019, 03:29

16

3

4,063

by: bumpbot

07 Feb 2025, 11:38

ER

How many factors does y have?

705-805 (Hard) | Multiples and Factors

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Bunuel

13 Jan 2017, 07:06

15

7

4,211

by: bumpbot

07 Feb 2025, 10:43

ER

Does integer n have a factor f such that 1 < f < n?

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

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MVA

29 Apr 2020, 02:06

7

4

1,721

by: bumpbot

07 Feb 2025, 10:16

ER

Is the number of distinct prime factors of the positive integer X more

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

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Kritisood

02 Apr 2020, 09:57

15

4

5,331

by: bumpbot

06 Feb 2025, 01:11

ER

Given that both x and y are positive integers, and that y = 3^(x – 1)

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

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

Bunuel

10 Feb 2020, 02:24

33

11

11,174

by: bumpbot

05 Feb 2025, 21:33

ER

If r – s = 3p , is p an integer? (1) r is divisible by 735

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

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enigma123

07 Oct 2017, 06:56

124

17

20,735

by: bumpbot

05 Feb 2025, 07:50

ER

If the integer x is greater than 1, does x = 2?

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

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ilaila

27 Jun 2010, 09:37

21

15

7,322

by: bumpbot

05 Feb 2025, 04:19

ER

If n is a positive integer, does n have four or more distinct factors?

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

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Bunuel

18 Mar 2015, 05:03

52

15

11,268

by: bumpbot

04 Feb 2025, 20:53

ER

What is the value of the two-digit integer n ? (1) n is divisible by 9

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Bunuel

15 Nov 2018, 05:24

1

3

2,236

by: Bunuel

04 Feb 2025, 08:14

ER

If x and y are positive even integers, is (40x)^x divisible

805+ (Hard) | Multiples and Factors

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Bunuel

10 Nov 2021, 09:30

3

4

2,560

by: hr1212

02 Feb 2025, 23:19

ER

If d is a positive integer and f is the product of the first 30 positi

605-655 (Medium) | Exponents +2 tags

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1, 2

enigma123

27 Aug 2019, 01:58

501

22

59,913

by: bumpbot

01 Feb 2025, 09:14