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

176

15

78,623

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

854

24

188,460

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

487,842

by: bb

29 Aug 2025, 13:27

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

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

nkmungila

17 Oct 2017, 05:33

10

4

3,728

by: bumpbot

04 Mar 2025, 03:34

ER

What is the remainder when n is divided by 26, given that n divided by

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

Bunuel

20 Oct 2015, 12:11

103

13

17,304

by: bumpbot

26 Jan 2025, 14:33

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What is the remainder when n is divided by 15?

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Poor Quality hide tags

mithun2vrs

27 Apr 2012, 11:03

9

5

9,885

by: Bunuel

12 Jun 2012, 04:56

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What is the remainder when n + 7 is divided by 8?

605-655 (Medium) | Multiples and Factors

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

Bunuel

14 Jan 2022, 02:30

5

4

1,831

by: bumpbot

21 Aug 2023, 07:50

What is the remainder when m is divided by 4? 1) HCF of m and m+16 is

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

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

TheUltimateWinner

09 Jul 2019, 10:03

6

1,071

by: firas92

10 Jul 2019, 00:11

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What is the remainder when m is divided by 3? (1) The remainder when m

Sub 505 (Easy) | Remainders

Sub 505 (Easy) | Remainders hide tags

Bunuel

15 Jul 2019, 00:37

5

4

5,294

by: bumpbot

26 Apr 2024, 21:34

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What is the remainder when m is divided by 12? (1) The remainder when

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

15 Jul 2019, 00:38

1

1,866

by: Kinshook

15 Jul 2019, 00:55

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What is the remainder when k^2 is divided by 8?

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

Bunuel

06 Jun 2023, 04:15

6

3

1,456

by: bumpbot

22 May 2025, 21:04

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

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

Bunuel

10 Jan 2017, 03:53

6

4

2,548

by: bumpbot

06 Jul 2023, 02:36

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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

1,291

by: SaquibHGMATWhiz

27 Aug 2022, 02:57

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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

2,868

by: bumpbot

07 Aug 2022, 03:25

ER

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

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

Bunuel

10 Jan 2017, 03:51

9

4

2,824

by: bumpbot

11 Sep 2019, 07:24

ER

What is the remainder when integer n is divided by 3?

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

Bunuel

11 Jan 2017, 03:25

15

6

3,013

by: bumpbot

15 Dec 2023, 07:07

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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

1,388

by: BrushMyQuant

25 Sep 2022, 03:37

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What is the remainder when integer n is divided by 10?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

01 May 2019, 02:14

3

5

3,347

by: MHIKER

07 Dec 2020, 14:32

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What is the remainder when integer k is divided by integer j?

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

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

Bunuel

01 Oct 2015, 01:44

9

8

7,285

by: bumpbot

14 Nov 2023, 05:07

What is the remainder when an integer k is divided by 5?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

sset92

16 Nov 2023, 07:10

1

1,131

by: ankitmba95

19 Nov 2023, 07:58

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What is the remainder when a^2 + b^2 is divided by 7 ?

655-705 (Hard) | Multiples and Factors

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

Bunuel

26 Jan 2022, 05:30

7

1

1,579

by: Archit3110

30 Jan 2022, 08:20

ER

What is the remainder when a three-digit number ABC (where A, B and C

705-805 (Hard) | Multiples and Factors

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

Bunuel

22 Aug 2023, 01:30

4

1,903

by: Jon22

03 Oct 2024, 02:37

ER

What is the remainder when a three-digit integer ABC (where A, B, and

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

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

Bunuel

29 Dec 2020, 01:15

16

5

3,903

by: Guntabulla

13 May 2024, 00:22

ER

What is the remainder when a positive integer w is divided by 2?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

25 Oct 2016, 23:37

1

5

2,592

by: GMATinsight

02 Oct 2020, 00:20

ER

What is the remainder when a positive integer t is divided by 15?

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

akurathi12

06 Jan 2019, 04:25

18

5

5,908

by: bumpbot

19 Sep 2024, 00:44

ER

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

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

12 Mar 2020, 01:38

3

2

2,635

by: GMATWhizTeam

12 Mar 2020, 02:37

ER

What is the remainder when a positive integer P is divided by 20?

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

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

Bunuel

12 Feb 2020, 01:48

14

12

6,887

by: bumpbot

26 Oct 2023, 11:39

ER

What is the remainder when a positive integer n is divided by 36?

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

Bunuel

23 Jun 2023, 06:00

5

2

1,509

by: Crater

24 Jun 2023, 00:07

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What is the remainder when a positive integer n is divided by 24?

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

Tomnovhere

01 Feb 2020, 02:05

8

3

7,665

by: bumpbot

01 Jan 2024, 23:47

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What is the remainder when a positive integer ‘P’ is divided by 33?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

akurathi12

04 Jan 2019, 10:35

19

5

7,902

by: bumpbot

27 Mar 2024, 23:33

ER

What is the remainder when a number ‘n’ is divided by 39? 1) The remai

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

AkhilAggarwal

24 Aug 2021, 07:21

3

2

2,992

by: Ahi

22 Jan 2024, 03:41

ER

What is the remainder when a is divided by 4?

505-555 (Easy) | Remainders

505-555 (Easy) | Remainders hide tags

ksear

19 Dec 2010, 15:22

40

12

22,986

by: AKAV46

06 Aug 2023, 09:42

ER

What is the remainder when 7^m+2 is divided by 5? (1) when m is

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

rohan2345

11 Jul 2019, 06:17

14

6

2,963

by: bumpbot

09 Oct 2024, 19:35

ER

What is the remainder when 7 + 10n is divided by 3, if n is a single

555-605 (Medium) | Number Properties, Remainders

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

unraveled

27 Nov 2019, 23:42

6

4

3,352

by: bumpbot

11 Apr 2024, 09:42

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

4,753

by: TBT

24 Jan 2023, 00:54

What is the remainder when 5-digit positive integer pqpqp is divided

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

BillyZ

02 May 2017, 16:20

12

4

4,033

by: bumpbot

06 Nov 2023, 00:58

ER

What is the remainder when 33 is divided by the integer y?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

3111987

21 Jan 2014, 14:35

33

8

14,191

by: bumpbot

18 Dec 2025, 19:39

ER

What is the remainder when 25 is divided by positive integer j?

505-555 (Easy) | Remainders

505-555 (Easy) | Remainders hide tags

Bunuel

11 Mar 2022, 02:30

4

2

2,231

by: Kirtika2507

12 Mar 2022, 07:17

ER

What is the remainder when 2^n is divided by 10?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

MathRevolution

15 Aug 2018, 09:52

4

6

4,461

by: Kinshook

01 Aug 2020, 23:52

ER

What is the remainder when 2^k is divided by 10?

555-605 (Medium) | Exponents, Remainders

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

Bunuel

27 Sep 2023, 05:15

2

1

1,078

by: LucienH

27 Sep 2023, 14:48

ER

What is the remainder when (n-1)*(n+1) is divided by 24?

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

akshayuberoi

31 Jan 2021, 05:20

2

2,356

by: mmdfl

17 Jun 2023, 17:45

ER

What is the remainder when is divided by 6 if is a positiv

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

actleader

12 Nov 2012, 23:18

15

8

11,086

by: bumpbot

29 Oct 2025, 09:03

ER

What is the remainder r when x is divided by 8? x is a posit

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

dimitri92

19 May 2010, 01:51

36

6

9,878

by: bumpbot

06 Dec 2023, 17:32

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

5,104

by: adityasuresh

28 Dec 2022, 03:08

ER

What is the remainder if the positive integer y is divided by 3?

Sub 505 (Easy) | Multiples and Factors +2 tags

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

Bunuel

11 Jul 2019, 00:47

3

3,142

by: BrentGMATPrepNow

12 Mar 2020, 07:40

What is the ratio x:y?

555-605 (Medium) | Algebra, Fractions and Ratios

555-605 (Medium) | Algebra, Fractions and Ratios hide tags

amanvermagmat

15 Feb 2018, 23:20

1

2

1,482

by: pushpitkc

17 Feb 2018, 07:08

ER

What is the ratio x : y: z ?

805+ (Hard) | Fractions and Ratios

805+ (Hard) | Fractions and Ratios hide tags

Ric123

10 Jan 2014, 03:14

46

10

16,239

by: Kushchokhani

09 Jun 2022, 00:28

ER

What is the ratio of y to x?

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Poor Quality hide tags

SirGMAT

02 Dec 2014, 08:21

15

6

7,080

by: Bunuel

02 Dec 2014, 08:21

ER

What is the ratio of y to x ? (1) x/y = 2 (2) x − y = 2

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

07 May 2021, 19:00

1

889

by: MarmikUpadhyay

07 May 2021, 20:02

ER

What is the ratio of x:y:z? (1) z = 1 and xy =32 (2) x/y = 2 and z/y =

Sub 505 (Easy) | Algebra, Fractions and Ratios

Sub 505 (Easy) | Algebra, Fractions and Ratios hide tags

Bunuel

24 May 2018, 06:47

22

4

11,845

by: bumpbot

16 May 2024, 19:28

ER

What is the ratio of x:y:z?

605-655 (Medium) | Fractions and Ratios

605-655 (Medium) | Fractions and Ratios hide tags

lumone

27 Nov 2007, 08:17

113

18

25,799

by: bumpbot

19 Aug 2025, 12:05

ER

What is the ratio of x:y:z given xyz not equal to 0?

605-655 (Medium) | Fractions and Ratios

605-655 (Medium) | Fractions and Ratios hide tags

Bunuel

28 Mar 2023, 01:30

11

4

3,086

by: Adarsh_24

27 Nov 2024, 03:15

ER

What is the ratio of x to y? (1) x is 4 more than twice y

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

03 Oct 2018, 01:56

16

3

13,441

by: bumpbot

31 Mar 2025, 08:05