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

79,911

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

189,026

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

488,747

by: bb

29 Aug 2025, 13:27

ER

Is the positive integer j divisible by a greater number of

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

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

jimmyjamesdonkey

03 Feb 2008, 14:51

52

8

21,853

by: bumpbot

25 May 2025, 05:00

ER

The positive integer k has exactly two positive prime factors, 3 and 7

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

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

gmatnub

04 Jan 2018, 07:54

719

19

110,801

by: kanikaa9

23 May 2025, 01:31

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If k and n are integers, is n divisible by 7 ?

505-555 (Easy) | Multiples and Factors

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

Bunuel

12 Feb 2014, 02:06

111

13

26,714

by: bumpbot

22 May 2025, 06:34

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Is x divisible by 39?

805+ (Hard) | Multiples and Factors, Remainders

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

CAMANISHPARMAR

16 Jun 2018, 01:34

47

5

7,538

by: SudsMeister

22 May 2025, 01:09

If w + y = 24, what is the value of w y ?

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

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

Carcass

06 Sep 2022, 17:49

4

3

1,263

by: bumpbot

20 May 2025, 22:03

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Shaina's five-distinct-digit locker code is 5A48B. What

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

Smita04

09 Feb 2012, 23:39

80

17

12,893

by: bumpbot

20 May 2025, 01:17

ER

What is the value of positive integer m?

705-805 (Hard) | Multiples and Factors

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

Bunuel

13 Jan 2017, 09:01

11

16

3,363

by: bumpbot

19 May 2025, 03:20

ER

Ted and Rali run one lap on a circular track. Ted runs in a circular

655-705 (Hard) | Distance and Speed Problems +2 tags

655-705 (Hard) | Distance and Speed Problems, Multiples and Factors, Word Problems hide tags

Bunuel

03 Dec 2019, 01:20

16

4

3,948

by: bumpbot

18 May 2025, 08:31

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If a, b, and c are positive integers, is (a+b)c divisible by 3? 1) 2-

555-605 (Medium) | Multiples and Factors

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

MathRevolution

03 Aug 2017, 01:26

5

12

3,657

by: SukhAgam

18 May 2025, 04:28

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If x and y are positive integers, is xy even?

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

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

Bunuel

26 Jun 2017, 02:43

184

15

46,715

by: bumpbot

18 May 2025, 01:16

ER

If all the N students of a class are classified into groups of either

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

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

EgmatQuantExpert

09 Apr 2024, 07:00

166

15

20,690

by: bumpbot

17 May 2025, 19:24

ER

What is the positive integer n?

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

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

enigma123

01 Oct 2012, 05:47

143

16

32,842

by: bumpbot

17 May 2025, 09:26

ER

The integers m and p are such that 2<m<p, and m is not a

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

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

LM

28 Mar 2012, 02:48

371

19

42,410

by: bumpbot

17 May 2025, 06:19

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If a and b are positive integers divisible by 6, is 6 the greatest com

705-805 (Hard) | Multiples and Factors

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

1, 2

gmatbull

02 Sep 2010, 23:28

227

24

40,253

by: bumpbot

16 May 2025, 22:04

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Does the prime number p divide n!?

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

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

surendar26

20 Dec 2010, 10:10

24

11

6,632

by: bumpbot

15 May 2025, 00:04

ER

If P is a set of integers and 3 is in P, is every positive

705-805 (Hard) | Multiples and Factors, Statistics and Sets Problems

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

1, 2

Caffmeister

02 Jul 2010, 10:24

134

21

24,650

by: bumpbot

14 May 2025, 15:41

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If 15 is a factor of p as well as q, is 15 the highest common factor?

705-805 (Hard) | Multiples and Factors

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

buan15

18 Jun 2020, 09:39

22

6

3,940

by: licrolicro

01 May 2025, 14:33

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If P and Q are positive integers and Q = 10 + 4P, find the GCD of P an

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

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

Bunuel

11 Nov 2019, 04:43

23

3

3,926

by: bumpbot

27 Apr 2025, 08:01

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b is a multiple of 7. Is ab a multiple of 1,638 ? (1) a is divisible b

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

Bunuel

18 Oct 2022, 01:30

3

1,761

by: bumpbot

27 Apr 2025, 00:52

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If u is a multiple of prime number v, is u a multiple of v^2?

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

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

RoberJr

16 Jan 2015, 02:31

22

4

6,761

by: bumpbot

26 Apr 2025, 23:21

ER

Is the integer x divisible by 6?

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

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

jackychamp

12 Jun 2014, 11:19

227

18

63,674

by: bumpbot

24 Apr 2025, 11:08

ER

Is r*s a multiple of 25? (r and s are positive integers)

605-655 (Medium) | Multiples and Factors

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

fattty

13 Jan 2016, 23:34

85

10

10,699

by: bumpbot

24 Apr 2025, 05:09

ER

If k is a positive integer and n = k(k + 7), is n divisible by 6?

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

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

1, 2

Jem2905

06 Jun 2022, 01:16

338

21

64,839

by: bumpbot

24 Apr 2025, 04:39

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If n is an integer, what is the greatest common divisor of 12 and n ?

555-605 (Medium) | Multiples and Factors

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

Bunuel

25 Jun 2018, 20:29

373

14

39,025

by: bumpbot

24 Apr 2025, 04:34

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Is the positive integer n a multiple of 20?

655-705 (Hard) | Multiples and Factors

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

kiran120680

18 Feb 2019, 11:01

39

7

8,399

by: bumpbot

22 Apr 2025, 11:35

ER

If t is the sum of three consecutive positive integers, is t a

655-705 (Hard) | Multiples and Factors

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

Bunuel

22 Dec 2015, 04:30

20

9

7,158

by: bumpbot

22 Apr 2025, 09:38

ER

If x, y, and d are integers and d is odd, are both x and y divisible

655-705 (Hard) | Multiples and Factors

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

eybrj2

02 Mar 2012, 10:36

330

17

26,886

by: bumpbot

20 Apr 2025, 03:33

ER

x, y are positive integers. Find the number of even factors of 4x^2

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

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

EgmatQuantExpert

20 Apr 2025, 00:55

101

6

13,595

by: ravi1522

19 Apr 2025, 22:45

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If n is a positive integer, is 1/n - 1/(n+1) < 0.05?

555-605 (Medium) | Inequalities, Multiples and Factors

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

Bunuel

29 Oct 2019, 02:15

6

7

6,717

by: bumpbot

18 Apr 2025, 06:30

ER

Is the number n divisible by 6? (1) The sum of the digits of n is 18

555-605 (Medium) | Multiples and Factors

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

Bunuel

31 Mar 2022, 01:30

4

2

2,409

by: bumpbot

18 Apr 2025, 06:22

ER

The number N is 6H12, the hundred's digit being represented by H. What

605-655 (Medium) | Multiples and Factors

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

Bunuel

16 Mar 2022, 01:30

11

3

3,587

by: bumpbot

18 Apr 2025, 06:16

ER

If X and N are positive integers, what is the remainder when X is

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

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

amanvermagmat

02 Jul 2018, 11:11

11

6

1,883

by: bumpbot

18 Apr 2025, 03:39

ER

An integer x divided by nine gives a number f, where 0<f<1. What is th

655-705 (Hard) | Multiples and Factors

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

Bunuel

07 Apr 2020, 04:21

12

5

3,012

by: bumpbot

16 Apr 2025, 07:37

If n is an integer, is n!/(n - 3)! divisible by 24?

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

YB10

23 Sep 2023, 20:44

8

2

1,659

by: bumpbot

14 Apr 2025, 08:58

ER

A positive integer N has exactly 6 unique positive factors. What is th

705-805 (Hard) | Multiples and Factors

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

amanvermagmat

21 Mar 2019, 22:22

8

3

3,641

by: bumpbot

11 Apr 2025, 08:40

ER

GMAT CLUB OLYMPICS: If x > 0, is 1/x a prime number ?

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

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

Bunuel

16 Aug 2021, 08:00

41

8

8,036

by: bumpbot

09 Apr 2025, 11:42

ER

What is the range of set S ?

705-805 (Hard) | Multiples and Factors

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

dungltp9

14 Oct 2021, 00:53

13

8

2,586

by: adi007

09 Apr 2025, 07:08

ER

Is positive integer n a multiple of 6? (1) 3 is a factor of n. (2) 3n

555-605 (Medium) | Multiples and Factors

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

Bunuel

08 May 2019, 00:33

14

4

2,622

by: bumpbot

08 Apr 2025, 16:09

ER

Is p divisible 168? (1) p is divisible by 14 (2) p is divisible by 12

555-605 (Medium) | Multiples and Factors

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

Bunuel

16 Mar 2022, 04:00

12

5

4,672

by: NEYR0N

08 Apr 2025, 05:10

ER

12 Days of Christmas GMAT Competition - Day 2: If k is a positive

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

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

Bunuel

12 Dec 2023, 07:00

21

10

3,656

by: bumpbot

07 Apr 2025, 09:45

ER

If a, b, and c are three positive integers, each greater than 1, what

555-605 (Medium) | Multiples and Factors, Remainders

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

Bunuel

26 Feb 2020, 01:53

22

11

7,288

by: bumpbot

05 Apr 2025, 23:46

ER

If integer n is a 2-digit number, is n divisible by 9? (1) When n is d

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

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

Bunuel

11 Dec 2018, 01:34

4

10,260

by: bumpbot

05 Apr 2025, 10:34

ER

If y is a positive integer, is y/8 an integer?

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

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

TheUltimateWinner

19 Dec 2020, 10:41

6

5

1,982

by: bumpbot

05 Apr 2025, 03:36

ER

GMAT Club World Cup 2022 (DAY 10): Is the sum of four consecutive

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

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

Bunuel

22 Jul 2022, 08:00

20

5

4,117

by: bumpbot

03 Apr 2025, 20:33

ER

If x and y are integers and 2 < x < y, does y = 16 ?

705-805 (Hard) | Multiples and Factors

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

Archit143

09 Mar 2013, 13:06

49

12

15,366

by: bumpbot

03 Apr 2025, 11:10

ER

If x and y are positive intergers, what is the remainder

505-555 (Easy) | Multiples and Factors, Remainders

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

MHIKER

19 Feb 2011, 11:13

47

5

10,374

by: bumpbot

02 Apr 2025, 09:16

ER

Is the integer n a multiple of 15 ? (1) n is a multiple of 20 (2) n

555-605 (Medium) | Multiples and Factors

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

Wayxi

30 Jan 2011, 21:39

45

11

10,689

by: bumpbot

02 Apr 2025, 09:15

ER

If p/r = 3, What is the value of r ?

Sub 505 (Easy) | Multiples and Factors, Number Properties

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

Bunuel

23 May 2020, 04:37

4

5

3,895

by: bumpbot

02 Apr 2025, 08:12

ER

Set S consists of n consecutive positive integers. If n > 3, what is

705-805 (Hard) | Multiples and Factors

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

Bunuel

17 Mar 2020, 09:11

17

10

5,453

by: bumpbot

31 Mar 2025, 04:43

ER

If x and y are positive integers, is 2x a multiple of y?

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

allabout

02 Nov 2013, 05:28

68

11

24,984

by: bumpbot

30 Mar 2025, 07:12