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

79,592

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

188,962

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

488,643

by: bb

29 Aug 2025, 13:27

ER

What is the value of a positive integer k? (1) When k is divided by 5

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

26 Apr 2023, 08:30

2

3

1,169

by: Bunuel

30 Apr 2023, 12:49

ER

Integer N lies between 25 and 35, what is the value of N? (1) When N

Sub 505 (Easy) | Remainders

Sub 505 (Easy) | Remainders hide tags

Bunuel

12 Apr 2023, 01:30

3

2

2,998

by: SaquibHGMATWhiz

16 Apr 2023, 23:10

ER

If (a*b)*c implies (a + b) is a multiple of c, is [m*(−n)]*12? (1) m

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

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

CareerGeek

17 Jul 2019, 04:43

5

3

3,942

by: bumpbot

13 Apr 2023, 05:18

ER

If k is an even integer, what is the remainder when k is divided by 10

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Deepaakrishnan

21 Mar 2020, 01:16

4

2,061

by: bumpbot

08 Apr 2023, 06:18

ER

When x is divided by 3, the remainder is 2, and when y is divided by 7

805+ (Hard) | Remainders

805+ (Hard) | Remainders hide tags

Bunuel

27 Apr 2016, 00:06

15

9

8,408

by: bumpbot

02 Apr 2023, 09:27

ER

If x is a positive integer and 123 divided by x leaves a remainder of

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

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

Bunuel

21 May 2015, 05:43

20

4

6,672

by: bumpbot

12 Mar 2023, 08:52

ER

A delivery of fewer than 100 boxes arrives at the warehouse. How many

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

28 Feb 2023, 08:00

2

2,265

by: SaquibHGMATWhiz

06 Mar 2023, 23:28

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HOT Competition 27 Aug/8AM: What is the value of positive integer q?

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

Bunuel

27 Aug 2020, 08:00

51

14

8,843

by: bumpbot

18 Feb 2023, 05:25

ER

What is the remainder when the positive integer N is divided by 12?

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

alphonsa

30 May 2016, 14:15

6

7

6,828

by: bumpbot

14 Feb 2023, 06:30

ER

P is a two-digit integer, which can be written as 30a + b, where a and

605-655 (Medium) | Number Properties, Remainders

605-655 (Medium) | Number Properties, Remainders hide tags

EgmatQuantExpert

21 Nov 2018, 03:57

10

7

4,828

by: bumpbot

10 Feb 2023, 13:57

ER

What is the remainder when x^2y is divided by 10?

705-805 (Hard) | Exponents, Remainders

705-805 (Hard) | Exponents, Remainders hide tags

chetan2u

28 Jul 2018, 00:34

23

6

2,529

by: bumpbot

03 Feb 2023, 10:05

ER

What is the remainder when 6^x is divided by 10

505-555 (Easy) | Number Properties, Remainders

505-555 (Easy) | Number Properties, Remainders hide tags

pushpitkc

28 Nov 2017, 11:14

9

5

4,767

by: TBT

24 Jan 2023, 00:54

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If x and y are positive integers, what is the remainder of x^2 + y^2

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

Bunuel

22 Jan 2023, 02:16

2

1

1,466

by: gmatophobia

22 Jan 2023, 13:59

ER

What is the value of length n<100 meter of wire?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

LM

24 Jan 2012, 10:01

36

9

8,392

by: bumpbot

15 Jan 2023, 07:17

ER

If n is a positive integer, what is the remainder when n is divided by

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

04 Jan 2023, 02:30

1

1,219

by: gmatophobia

04 Jan 2023, 02:47

ER

If A and D are positive integers, what is the remainder when 7^(40A) +

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

27 Apr 2016, 00:10

12

4

3,995

by: adityasuresh

29 Dec 2022, 09:43

ER

What is the remainder of n/15?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

cjcj

24 Sep 2015, 20:57

26

7

5,121

by: adityasuresh

28 Dec 2022, 03:08

ER

Given n is a positive integer, what is a remainder when 3^n is divided

555-605 (Medium) | Exponents, Remainders

555-605 (Medium) | Exponents, Remainders hide tags

Russ19

08 Oct 2020, 06:41

5

2

1,894

by: bumpbot

22 Dec 2022, 09:04

ER

If x and y are positive integers, is the sum x + y divisible by 4 ?

705-805 (Hard) | Exponents +2 tags

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

PriyamRathor

17 Dec 2022, 08:35

4

1

1,314

by: Bunuel

17 Dec 2022, 08:53

ER

What is the remainder when the positive integer x is divided by 9?

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

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

Bunuel

12 Dec 2022, 09:00

4

2

1,046

by: SaquibHGMATWhiz

14 Dec 2022, 09:04

ER

What is the remainder when the positive integer n is divided by 2?

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

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

Bunuel

10 Jun 2020, 03:56

6

7

4,076

by: bumpbot

04 Dec 2022, 16:22

ER

x = 2y + z, where z < y. Find x.

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

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

PrepTap

18 May 2015, 22:40

18

9

4,351

by: bumpbot

04 Dec 2022, 05:07

ER

If a and b are integers then what is the remainder when a^2 + b^2 is

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

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

Kritisood

16 Apr 2020, 01:18

20

5

5,246

by: bumpbot

04 Dec 2022, 04:48

ER

If x is a positive integer, is the remainder 0 when (3^x + 1)/10?

605-655 (Medium) | Number Properties, Remainders

605-655 (Medium) | Number Properties, Remainders hide tags

curtis0063

02 Jan 2013, 09:00

16

17

7,833

by: bumpbot

02 Dec 2022, 03:00

ER

If x and y are positive integers greater than two then what is the

605-655 (Medium) | Exponents, Remainders

605-655 (Medium) | Exponents, Remainders hide tags

Bunuel

25 Nov 2022, 02:30

3

1,177

by: gmatophobia

25 Nov 2022, 10:36

ER

If n and k are a positive integer, what is the remainder when 3^(4n +

555-605 (Medium) | Exponents, Remainders

555-605 (Medium) | Exponents, Remainders hide tags

Bunuel

22 Nov 2022, 02:30

6

3

1,223

by: SaquibHGMATWhiz

22 Nov 2022, 07:46

ER

If n and k are a positive integer, what is the remainder when 3^(4n +

555-605 (Medium) | Exponents, Remainders

555-605 (Medium) | Exponents, Remainders hide tags

Bunuel

21 Nov 2022, 02:30

2

1

1,021

by: Rabab36

21 Nov 2022, 03:16

ER

What is the remainder when the positive integer x is divided by 4?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

13 Nov 2022, 11:18

1

2

2,006

by: sanjitscorps18

13 Nov 2022, 23:04

ER

If n is a positive integer, what is the remainder when n is divided by

505-555 (Easy) | Remainders

505-555 (Easy) | Remainders hide tags

Bunuel

13 Oct 2022, 01:30

1

1,214

by: aashi1

10 Nov 2022, 06:16

ER

If the remainder when positive integer x is divided by 7 is 4, what is

555-605 (Medium) | Number Properties, Remainders

555-605 (Medium) | Number Properties, Remainders hide tags

Bunuel

04 Apr 2018, 22:05

2

5

4,144

by: bumpbot

07 Nov 2022, 06:07

ER

If m and n are positive integers such that m > n, what is the Re.

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

stonecold

17 Oct 2016, 13:14

9

5

5,360

by: bumpbot

07 Nov 2022, 05:57

ER

What is the remainder when x is divided by 6?

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

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

Bunuel

18 Mar 2020, 01:21

12

8

5,024

by: bumpbot

07 Nov 2022, 04:19

ER

When positive integer n is divided by 7, the remainder is 1. If n is

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

Bunuel

06 May 2022, 01:30

4

3

2,648

by: varshas044

11 Oct 2022, 09:24

ER

A bag contains at least 10 blue marbles and at least 10 red marbles

805+ (Hard) | Remainders

805+ (Hard) | Remainders hide tags

Bunuel

25 Nov 2019, 01:02

12

4

5,007

by: gmatprepper94111

09 Oct 2022, 21:54

ER

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

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Smita04

25 Jun 2014, 01:59

33

4

12,686

by: SaquibHGMATWhiz

07 Oct 2022, 00:43

ER

What is the remainder when integer n is divided by 13 ? (1) When n is

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

23 Sep 2022, 06:10

2

1

1,402

by: BrushMyQuant

25 Sep 2022, 03:37

ER

If x and y are both positive integers, what is the remainder when 2*10

505-555 (Easy) | Exponents, Remainders

505-555 (Easy) | Exponents, Remainders hide tags

Bunuel

26 May 2015, 07:10

29

9

6,866

by: bumpbot

13 Sep 2022, 13:27

ER

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

655-705 (Hard) | Exponents, Remainders

655-705 (Hard) | Exponents, Remainders hide tags

Bunuel

14 May 2020, 08:31

11

4

2,785

by: bumpbot

13 Sep 2022, 04:57

ER

What is the remainder when x is divided by 12?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

02 Sep 2022, 05:30

1

1,077

by: sanjitscorps18

02 Sep 2022, 06:43

ER

What is the remainder when integer n is divided by two?

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

Bunuel

26 Aug 2022, 15:30

2

1,300

by: SaquibHGMATWhiz

27 Aug 2022, 02:57

ER

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

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

TheUltimateWinner

28 Mar 2021, 09:16

4

3

2,478

by: bumpbot

07 Aug 2022, 10:31

ER

What is the remainder when integer n is divided by two?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

10 Jan 2017, 04:04

3

5

2,893

by: bumpbot

07 Aug 2022, 03:25

ER

GMAT Club World Cup 2022 (DAY 7): If m and n are distinct prime number

705-805 (Hard) | Number Properties, Remainders

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

Bunuel

19 Jul 2022, 08:00

29

7

3,193

by: Papai21

20 Jul 2022, 07:37

ER

Math Revolution and GMAT Club Contest! For positive integers a and b,

805+ (Hard) | Remainders

805+ (Hard) | Remainders hide tags

1, 2

Bunuel

05 Dec 2015, 08:52

80

30

12,138

by: bumpbot

09 Jul 2022, 18:22

ER

If k is a positive integer, what is the remainder when k^2

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

Smita04

06 Jun 2013, 05:45

5

4

5,710

by: bumpbot

29 Jun 2022, 15:22

If a is a positive integer, what is the median of the list [2,a,4]?

555-605 (Medium) | Remainders, Statistics and Sets Problems

555-605 (Medium) | Remainders, Statistics and Sets Problems hide tags

EthanTheTutor

16 Jun 2022, 07:35

1

979

by: EthanTheTutor

16 Jun 2022, 21:39

ER

If n is a positive integer between 30 and 60, inclusive, what is the

505-555 (Easy) | Remainders

505-555 (Easy) | Remainders hide tags

Bunuel

05 May 2022, 01:30

1

1,434

by: zhanbo

05 May 2022, 02:24

ER

If x denotes the remainder when 5n^2 + 1 is divided by 2, what is the

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

05 May 2022, 01:30

1

1,277

by: zhanbo

05 May 2022, 02:19

ER

If p, q, and r are non-negative integers such that the remainder when

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

24 May 2018, 06:42

5

2

2,150

by: bumpbot

04 May 2022, 11:49

ER

If n is an integer greater than 10 and less than 40, what is the value

505-555 (Easy) | Remainders

505-555 (Easy) | Remainders hide tags

Bunuel

03 May 2022, 01:30

2

1

1,805

by: zhanbo

03 May 2022, 03:06