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

79,257

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

188,852

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

488,478

by: bb

29 Aug 2025, 13:27

ER

What is the hundredths digit in the decimal representation of a certai

605-655 (Medium) | Arithmetic

605-655 (Medium) | Arithmetic hide tags

BillyZ

07 Mar 2017, 19:14

21

3

6,423

by: bumpbot

19 Jul 2024, 23:22

ER

For a certain bottle and cork, what is the price of the cork?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

09 Dec 2014, 15:46

4

3

9,656

by: MehakSachdeva

20 Jul 2024, 23:04

ER

If R is set of 15 consecutive integers, is the integer 10 in R?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

20 Mar 2023, 10:45

5

3

2,137

by: Bunuel

23 Jul 2024, 23:57

ER

Is a^3 > a^2 ? (1) 1/a > a (2) a^5 > a^3

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

vaibhav1221

09 Aug 2018, 06:25

7

3

3,731

by: bumpbot

24 Jul 2024, 07:39

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In the figure above, is IJ > 5? (1) H is the midpoint of IG, and J is

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

27 May 2018, 10:13

2

3

15,324

by: bumpbot

25 Jul 2024, 12:44

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If x is a positive integer, is x a multiple of 3?

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

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

TBT

12 Mar 2023, 10:09

5

3

2,715

by: bumpbot

26 Jul 2024, 01:51

ER

What is the value of the ratio of x to y^2? (1) The ratio of x^2 to y

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

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

Bunuel

10 Jun 2018, 04:57

3

6,264

by: bumpbot

28 Jul 2024, 03:58

ER

Whenever Hattie has a restaurant bill with an amount between $20 and

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

29 Jul 2024, 01:30

7

3

1,296

by: wwcd

29 Jul 2024, 23:54

In the xy –plane, is point (2, – 3) on line ℓ ?

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Carcass

31 Oct 2018, 10:20

10

3

7,099

by: bumpbot

30 Jul 2024, 00:17

Notebooks at a certain office supply company are sold for either $7

805+ (Hard) | Algebra, Word Problems

805+ (Hard) | Algebra, Word Problems hide tags

devashish2407

02 Apr 2024, 04:06

14

3

1,612

by: thiyagarajangg0

01 Aug 2024, 02:11

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If x > y, is cx > cy ? (1) c > 0 (2) xy > 0

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

23 May 2020, 05:57

10

3

7,630

by: bumpbot

01 Aug 2024, 23:21

ER

For integers b and c, what is the sum of all unique solutions to the

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

08 Jul 2017, 05:19

22

3

6,005

by: bumpbot

02 Aug 2024, 02:54

ER

Which of the five terms, p, q, p + q, p − 1, and q + 1, represents the

805+ (Hard) | Statistics and Sets Problems

805+ (Hard) | Statistics and Sets Problems hide tags

Bunuel

14 Jul 2020, 02:55

13

3

5,044

by: bumpbot

02 Aug 2024, 03:25

Is the least common postive multiple of positive integers x and y

555-605 (Medium) | Multiples and Factors

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

Shradaze

02 Aug 2024, 09:49

4

3

1,743

by: Kinshook

04 Aug 2024, 04:33

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Is a−b > c−d? (1) a>c (2) d>b

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

26 May 2021, 07:30

2

3

3,816

by: Kavicogsci

05 Aug 2024, 12:57

ER

How many books did a librarian purchase ?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

21 Oct 2022, 07:38

3

2,259

by: bumpbot

10 Aug 2024, 03:23

ER

Is x < y ? (1) x^(1/2) > y (2) x^2 > y

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bhavikasingla

10 Jan 2024, 13:12

4

3

1,745

by: chetan2u

10 Aug 2024, 06:55

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Set S={-8,-17,-23,-2,4,16,x,y}. If x and y are integers, is the median

705-805 (Hard) | Statistics and Sets Problems

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

TheUltimateWinner

25 Sep 2019, 13:16

6

3

1,796

by: bumpbot

10 Aug 2024, 07:31

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If m and n are positive integers, is mn a multiple of 9?

655-705 (Hard) | Multiples and Factors

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

Bunuel

08 Jan 2023, 02:39

3

1,559

by: bumpbot

11 Aug 2024, 04:37

ER

What is the average distance that automobile D travels on one full

Sub 505 (Easy) | Distance and Speed Problems

Sub 505 (Easy) | Distance and Speed Problems hide tags

GMATBusters

16 Nov 2018, 09:33

7

3

10,803

by: bumpbot

12 Aug 2024, 07:06

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If a and b are positive, is a^(b/2) > a^(2b? (1) 1 < b < b^a (2) a < b

705-805 (Hard) | Exponents, Inequalities

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

Bunuel

10 Feb 2023, 15:16

18

3

3,880

by: bumpbot

13 Aug 2024, 10:16

ER

If p and q are positive integers, what is the value of p/(q^2)?

705-805 (Hard) | Multiples and Factors

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

Bunuel

19 May 2021, 02:00

10

3

2,390

by: bumpbot

13 Aug 2024, 13:32

ER

If c > 0, is (a + c)/(b + c) > a/b ?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

25 Feb 2020, 03:30

5

3

1,585

by: bumpbot

15 Aug 2024, 14:16

ER

If x and y are positive integers, what is the greatest common divisor

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

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

soapbolt

14 Dec 2018, 19:57

8

3

1,782

by: bumpbot

16 Aug 2024, 04:05

ER

In Country S, if 60 percent of the women aged 18 and over are in

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

11 Dec 2014, 07:16

6

3

15,487

by: bumpbot

16 Aug 2024, 10:44

ER

In a Pegasus company, 95% of the employees own Pegasus stock. Let N be

655-705 (Hard) | Multiples and Factors

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

JohnGalt1

21 Mar 2021, 11:57

12

3

3,287

by: bumpbot

18 Aug 2024, 06:09

ER

A group of 7 students took a test. In the test, one student scored 100

655-705 (Hard) | Statistics and Sets Problems

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

RJ7X0DefiningMyX

10 Jul 2019, 07:45

11

3

5,016

by: bumpbot

18 Aug 2024, 09:20

ER

Martha obtained an average score of y in a total of x mandatory papers

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

25 Nov 2019, 02:54

8

3

3,329

by: bumpbot

18 Aug 2024, 13:19

ER

If S is a sequence of consecutive multiples of 7, how many multiples

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

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

Bunuel

19 May 2021, 04:30

4

3

3,152

by: bumpbot

20 Aug 2024, 11:01

ER

A round trip from A to B takes 2 hours by car for Sarah. If she drives

655-705 (Hard) | Distance and Speed Problems

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

amanvermagmat

29 Jun 2018, 00:52

9

3

3,004

by: bumpbot

22 Aug 2024, 21:55

ER

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

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

06 Jan 2021, 06:31

1

3

2,601

by: bumpbot

26 Aug 2024, 08:57

ER

Is x/y^3 > 0? (1) x - y > 0 (2) xy > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

01 Sep 2023, 08:00

2

3

1,096

by: Akshaynandurkar

27 Aug 2024, 11:15

ER

Is x is an integer? (1) x^2/2 is an integer (2) x^(1/2) is an integer

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

27 Feb 2023, 07:45

5

3

2,832

by: bumpbot

28 Aug 2024, 04:32

ER

Kay put 12 cards on a table, some faceup and the rest facedown. How ma

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

18 Nov 2020, 09:25

7

3

10,124

by: bumpbot

28 Aug 2024, 05:50

ER

The elements of Set X are defined by the formula...

505-555 (Easy) | Statistics and Sets Problems

505-555 (Easy) | Statistics and Sets Problems hide tags

GMATUser1928843

26 Jun 2022, 13:34

5

3

1,476

by: bumpbot

29 Aug 2024, 22:07

ER

If x is a negative integer greater than -10, is z greater than average

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

joylive

24 Nov 2012, 09:36

9

3

3,910

by: SatvikVedala

31 Aug 2024, 20:58

ER

In a city, only two leaders X and Y contested. The number of valid vot

805+ (Hard) | Percent and Interest Problems

805+ (Hard) | Percent and Interest Problems hide tags

Bunuel

26 Sep 2019, 04:29

8

3

2,888

by: rushimehta

01 Sep 2024, 07:37

ER

Is the sum of x^y and y^x positive? (1) xy > 0 (2) x + y > 0

655-705 (Hard) | Exponents, Inequalities

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

Bunuel

13 May 2020, 08:09

9

3

5,000

by: bumpbot

02 Sep 2024, 13:59

ER

During a particular period, water enters a partially filled reservoir

Sub 505 (Easy) | Distance and Speed Problems

Sub 505 (Easy) | Distance and Speed Problems hide tags

Bunuel

03 Sep 2024, 01:30

2

3

1,222

by: Krunaal

03 Sep 2024, 14:08

ER

Is x > y? (1) x - y - 1 > 0 (2) x - y + 1 > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

21 Jan 2020, 04:28

4

3

7,899

by: GMATBusters

04 Sep 2024, 05:16

ER

If a, b, c and d are positive integers, is d odd? (1) a/b=2c (2) a/c

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

20 Jan 2023, 02:30

5

3

2,308

by: bumpbot

04 Sep 2024, 10:18

ER

If the average (arithmetic mean) of x and y is positive, is x positive

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

30 Oct 2019, 21:56

3

4,199

by: GMATBusters

05 Sep 2024, 04:02

ER

If the ratio of a to b to c to d is 1:2:3:4, what is the range of the

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

17 Jan 2024, 02:30

2

3

1,538

by: Bunuel

06 Sep 2024, 00:21

ER

If t is a positive integer, can t2 + 1 be completely divided by 10? (

805+ (Hard) | Multiples and Factors, Remainders

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

siddharthkapoor

13 Oct 2019, 22:22

10

3

3,237

by: bumpbot

06 Sep 2024, 22:14

ER

Is q < 0?

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

Mo2men

28 Dec 2018, 21:46

5

3

3,037

by: bumpbot

07 Sep 2024, 08:58

A certain company's profit is comprised of the profits of the 3 divisi

705-805 (Hard) | Statistics and Sets Problems

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

BillyZ

21 Feb 2017, 17:49

9

3

2,687

by: Rachitpaliwal10

08 Sep 2024, 00:30

ER

Daniel invested a total of $10,000 for a period of one year. Part of

555-605 (Medium) | Percent and Interest Problems

555-605 (Medium) | Percent and Interest Problems hide tags

Bunuel

02 Mar 2022, 07:00

2

3

2,884

by: bumpbot

08 Sep 2024, 23:30

ER

A group of 20 friends went out for lunch. Five of them spent $21 each

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

19 Jun 2022, 23:30

3

2,311

by: bumpbot

09 Sep 2024, 23:40

ER

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

705-805 (Hard) | Statistics and Sets Problems

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

GMATBusters

05 Sep 2024, 03:53

4

3

1,043

by: Bunuel

11 Sep 2024, 07:06

ER

How much precipitation does Springfield need this month to attain its

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

12 Sep 2024, 01:30

2

3

901

by: Rod728

13 Sep 2024, 15:39