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

79,933

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

189,032

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

488,757

by: bb

29 Aug 2025, 13:27

ER

If 4 students were added to a dance class, would the teacher

555-605 (Medium) | Multiples and Factors

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

piyushksharma

10 May 2012, 05:34

14

9

11,902

by: bumpbot

26 Nov 2024, 22:30

ER

If k is a positive integer, is k the square of an integer?

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

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

tarek99

25 Dec 2021, 09:11

188

13

39,922

by: bumpbot

20 Nov 2024, 12:20

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If x is a positive integer, how many factors does x^2 have?

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

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

TheUltimateWinner

22 May 2019, 10:07

5

4

2,444

by: bumpbot

20 Nov 2024, 05:00

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Is a positive integer x a factor of 12? (1) 3x is a factor of 48

605-655 (Medium) | Multiples and Factors

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

Bunuel

04 Jul 2023, 04:00

1

3

1,514

by: Dbrunik

19 Nov 2024, 21:42

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What is the value of integer x?

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

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

enigma123

27 Jun 2011, 21:31

76

16

14,101

by: bumpbot

19 Nov 2024, 07:59

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

555-605 (Medium) | Multiples and Factors

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

Bunuel

05 Jun 2023, 09:45

4

1,727

by: bumpbot

19 Nov 2024, 07:24

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What is the value of the positive integer N? (1) N^2 has 3 positive

555-605 (Medium) | Multiples and Factors

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

Bunuel

24 Nov 2021, 08:30

3

5

1,940

by: TDTGiang

17 Nov 2024, 22:02

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If n is an integer, is n/15 an integer?

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

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

ashiima

29 Nov 2011, 20:02

71

11

17,672

by: bumpbot

16 Nov 2024, 03:20

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Is x divisible by 30?

805+ (Hard) | Multiples and Factors

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enigma123

12 Jul 2013, 10:46

116

19

18,134

by: bumpbot

15 Nov 2024, 02:47

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Around the World in 80 Questions (Day 2): If a, b, and c are positive

805+ (Hard) | Multiples and Factors

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Bunuel

18 Jul 2023, 08:00

52

7

5,607

by: bumpbot

12 Nov 2024, 08:51

ER

If m and n are both two digit numbers and m - n = 11x, is x an integer

655-705 (Hard) | Fractions and Ratios, Multiples and Factors

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kashishh

30 May 2012, 13:36

41

9

18,447

by: bumpbot

12 Nov 2024, 08:38

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Is n divisible by 12 ? (1) n/6 is an integer. (2) n/4 is an integer.

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Bunuel

18 Oct 2019, 05:06

10

3

7,001

by: bumpbot

12 Nov 2024, 01:55

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If k and m are positive integers, does k/m = 3/13 ?

655-705 (Hard) | Multiples and Factors

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

BrentGMATPrepNow

01 Aug 2022, 09:02

7

3

1,895

by: bumpbot

10 Nov 2024, 08:21

ER

The positive integer k has exactly two positive prime

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

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

testprep2010

20 Jun 2010, 12:38

133

13

22,747

by: bumpbot

10 Nov 2024, 08:07

ER

If N is a positive Integer, is the units digit of N equal to zero?

505-555 (Easy) | Multiples and Factors

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

meaglesp345

20 Mar 2010, 14:57

121

14

44,069

by: bumpbot

09 Nov 2024, 11:15

ER

If root(x) is a positive integer is root(x) a prime number?

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

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

vomhorizon

05 Dec 2012, 06:30

16

4

7,774

by: bumpbot

09 Nov 2024, 09:31

ER

If n is a positive integer, what is the units digit of the sum of the

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

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

Bunuel

20 Mar 2022, 02:49

13

3

6,100

by: bumpbot

08 Nov 2024, 05:22

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If x and y are positive integers and x < y, what is the value of x?

705-805 (Hard) | Multiples and Factors

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

Bunuel

20 Sep 2023, 02:18

7

3

1,419

by: Bunuel

08 Nov 2024, 02:47

ER

Is x divisible by 3?

705-805 (Hard) | Multiples and Factors

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

chetan2u

10 Dec 2016, 06:03

25

16

9,254

by: bumpbot

07 Nov 2024, 11:51

ER

A real number N is of the form p/q, where p and q are both distinct po

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

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

amanvermagmat

21 Jul 2018, 10:54

5

3

2,104

by: bumpbot

31 Oct 2024, 03:55

ER

If x, y, and z are integers, what is the remainder when xyz is divided

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

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

Bunuel

18 Apr 2016, 01:17

11

5,787

by: bumpbot

28 Oct 2024, 20:40

ER

What is the greatest common divisor of the integers z and x?

655-705 (Hard) | Multiples and Factors

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Bunuel

20 Apr 2022, 01:30

3

2

1,385

by: bumpbot

27 Oct 2024, 12:22

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If a, b, c, and d are all positive integers, is c divisible by a/d?

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

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

mniyer

22 Dec 2013, 11:02

22

11

4,747

by: bumpbot

24 Oct 2024, 20:47

ER

If x is a positive integer, what is the number of different positive

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

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

Bunuel

16 Dec 2019, 02:39

10

5

4,316

by: bumpbot

23 Oct 2024, 11:09

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

1,918

by: bumpbot

22 Oct 2024, 12:52

ER

If A and B are positive integers, does A have more prime factors

705-805 (Hard) | Multiples and Factors

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

stonecold

22 Nov 2016, 08:24

18

7

3,111

by: bumpbot

21 Oct 2024, 15:31

ER

Is x+1 a factor of 12?

555-605 (Medium) | Multiples and Factors

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

agnok

09 Sep 2010, 10:20

31

19

10,536

by: bumpbot

21 Oct 2024, 13:15

ER

If a and b are positive integers, what is the remainder when 9^2a+b

555-605 (Medium) | Multiples and Factors

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

benejo

05 Apr 2018, 06:32

12

6

2,653

by: bumpbot

20 Oct 2024, 06:13

ER

HOT Competition 27 Aug/8PM: If k is a positive integer, is k^(1/2) an

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

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

Bunuel

27 Aug 2020, 20:00

50

8

8,473

by: bumpbot

20 Oct 2024, 06:01

ER

If a and b are positive integers, what is the remainder when ab is

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

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kingflo

18 Nov 2017, 02:07

199

13

33,394

by: bumpbot

20 Oct 2024, 04:43

ER

If z is a non-negative integer, is 75/(z + 1) an integer?

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

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

Bunuel

04 Dec 2020, 05:53

18

7

5,887

by: bumpbot

20 Oct 2024, 04:08

ER

At a particular moment, a restaurant has x biscuits and y

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

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

Stiv

12 May 2012, 03:49

63

11

13,812

by: bumpbot

19 Oct 2024, 19:38

ER

If P, Q, R, S, T, X, Y, and Z each represents one digit between 0 and

605-655 (Medium) | Multiples and Factors

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jn0r

27 Jan 2021, 21:52

11

4

3,564

by: bumpbot

19 Oct 2024, 02:40

ER

If p and q are positive integers such that p = 4q – 3....

805+ (Hard) | Algebra, Multiples and Factors

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

GMATWhizTeam

08 Apr 2020, 09:27

16

10

7,635

by: bumpbot

18 Oct 2024, 20:51

ER

If p and q are positive integers, can the fraction p/q be expressed as

655-705 (Hard) | Multiples and Factors

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

Bunuel

29 Aug 2019, 06:44

7

4

2,513

by: Bunuel

18 Oct 2024, 08:52

ER

If F is a factor of 105, is F is a prime number? (1) F is not divisib

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

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

Bunuel

02 Mar 2022, 09:00

5

4

4,464

by: bumpbot

18 Oct 2024, 06:36

ER

If n is a positive integer, how many different factors n has?

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

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

haardiksharma

03 Jul 2017, 09:10

35

10

7,295

by: bumpbot

17 Oct 2024, 10:52

ER

What is the value of the positive integer x?

655-705 (Hard) | Multiples and Factors

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

Bunuel

14 Dec 2020, 01:15

10

4

2,296

by: bumpbot

17 Oct 2024, 07:49

ER

The positive integer y is at a distance of 2 units from the nearest mu

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

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

Bunuel

13 May 2020, 06:50

14

3

2,673

by: bumpbot

15 Oct 2024, 03:48

ER

If x and y are the positive integers, Is x>y?

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

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

1, 2

GMATBusters

11 Apr 2020, 19:11

19

27

6,411

by: bumpbot

11 Oct 2024, 07:01

ER

Set P contains 3 distinct positive integers: A, B and C. Is the averag

655-705 (Hard) | Multiples and Factors, Statistics and Sets Problems

655-705 (Hard) | Multiples and Factors, Statistics and Sets Problems hide tags

Bunuel

26 Jan 2022, 05:00

1

4

2,100

by: adroitpensador

10 Oct 2024, 23:52

ER

If p and q are consecutive integers, is p a multiple of 3?

655-705 (Hard) | Multiples and Factors

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

BN1989

01 Mar 2012, 05:47

15

9

6,425

by: bumpbot

10 Oct 2024, 08:42

ER

If a, b, and c are integers such that 0 < a < b < c < 10, is

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

emmak

15 Apr 2013, 02:59

128

15

13,915

by: bumpbot

08 Oct 2024, 06:35

ER

If n and mare positive integers, is n^m+2n divisible by 3?

655-705 (Hard) | Multiples and Factors

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

MathRevolution

14 Oct 2016, 05:45

7

6

4,243

by: bumpbot

08 Oct 2024, 03:43

ER

If n is an integer greater than 5, what is the remainder when n is

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

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RonPurewal

05 Dec 2017, 01:42

24

16

4,763

by: bumpbot

07 Oct 2024, 05:23

ER

If pqr s is a four-digit number, where p, q, r and s are the digits,

805+ (Hard) | Fractions and Ratios, Multiples and Factors

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

Bunuel

06 Aug 2017, 01:02

70

11

28,921

by: Mihirrr009

07 Oct 2024, 01:35

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

2,540

by: bumpbot

05 Oct 2024, 22:22

ER

If b is an integer, is 1.3 multiplied by b an integer?

555-605 (Medium) | Multiples and Factors

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

Bunuel

13 Mar 2020, 05:02

1

2

2,842

by: bumpbot

05 Oct 2024, 16:21

ER

If a*b is an even integer, is b a multiple of 2?

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

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

chetan2u

19 Jul 2017, 21:32

5

7

2,821

by: Purnank

05 Oct 2024, 07:03

ER

What is the remainder when y^2 is divided by 6? (1) y is a prime numb

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

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

amanvermagmat

02 Apr 2018, 04:54

6

7

1,993

by: bumpbot

03 Oct 2024, 10:26