GMAT Data Sufficiency (DS) Forum - Free Practice Questions

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Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

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Bunuel

25 Oct 2022, 08:11

189

15

89,337

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of June 2026

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1, 2

Bunuel

01 Jan 2026, 05:45

873

24

194,371

by: bumpbot

16 Sep 2025, 06:05

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DS Question Directory by Topic and Difficulty

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bb

23 Aug 2026, 13:03

1.6k

1

496,620

by: bb

23 Aug 2026, 13:01

If a, b, c, and d are positive numbers and a^(1/2) + b^(1/2) = c^(1/2)

705-805 (Hard) | Inequalities, Sequences

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

Bunuel

24 Feb 2020, 02:14

16

6

3,571

by: bumpbot

23 Jun 2022, 08:26

ER

A designer purchased 20 mannequins that each cost an equal amount and

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

22 Jun 2022, 09:00

1

1,974

by: MBAHOUSE

22 Jun 2022, 09:27

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An online grocery delivers groceries for $10.00 for the first box of f

605-655 (Medium) | Word Problems

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Bunuel

15 May 2026, 08:44

3

7

4,482

by: ankitgoswami

21 Jun 2022, 09:54

ER

A circle with center (1, 0) lies in the coordinate plane shown above.

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Bunuel

18 Jun 2022, 19:30

3

1

1,149

by: SaquibHGMATWhiz

21 Jun 2022, 06:48

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At Billy Bob Breweries, the revenues increased by 12% from 2002 to 200

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

17 Jun 2022, 21:30

1

1,158

by: SaquibHGMATWhiz

21 Jun 2022, 05:22

The average (arithmetic mean) of a professor's salary at University M

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

23 Mar 2022, 04:00

2

1,589

by: Solenja

19 Jun 2022, 21:44

ER

What is the average weight of the 5 members of a football team?

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

Bunuel

19 Jun 2022, 01:30

1

1,468

by: BrushMyQuant

19 Jun 2022, 02:36

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

1,035

by: EthanTheTutor

16 Jun 2022, 21:39

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Amy reached from her home to her aunts place in 75 minutes. What is

555-605 (Medium) | Distance and Speed Problems

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Bunuel

14 Jun 2022, 09:15

1

1,558

by: ThatDudeKnows

14 Jun 2022, 19:37

Every time x increases (decreases) by a particular value, y decreases

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

06 Jun 2022, 01:30

5

1

1,479

by: crsvaidehi1

13 Jun 2022, 18:02

ER

What percent of Jefferson high school students study German?

Sub 505 (Easy) | Overlapping Sets

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Bunuel

17 Oct 2016, 05:55

6

2

2,930

by: bumpbot

13 Jun 2022, 03:00

ER

In a certain neighborhood, 60 percent of the houses have four bedrooms

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

08 Jun 2022, 12:45

1

1,265

by: SaquibHGMATWhiz

09 Jun 2022, 18:11

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Is a + b positive? (1) The point (a, b) is in Quadrant II (2) a b >0

555-605 (Medium) | Absolute Values +2 tags

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Bunuel

09 Jun 2022, 01:30

1

1,309

by: zhanbo

09 Jun 2022, 01:55

ER

If line l passes through point (m, n), is the slope of the

655-705 (Hard) | Coordinate Plane

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banksy

15 Feb 2011, 13:12

12

9

8,408

by: frombelarus

08 Jun 2022, 13:15

Each computer system in a graphicarts classroom is equipped with a sca

555-605 (Medium) | Overlapping Sets

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Bunuel

08 Jun 2022, 09:00

1

1,000

by: genericUser

08 Jun 2022, 12:53

What are the chances that a die will come up six on the fifth roll?

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

08 Jun 2022, 02:30

3

1

1,355

by: JerryAtDreamScore

08 Jun 2022, 11:37

If the cold-water tap and hot-water tap running together can fill a ba

505-555 (Easy) | Work and Rate Problems

505-555 (Easy) | Work and Rate Problems hide tags

Bunuel

08 Jun 2022, 06:00

1

1,695

by: JerryAtDreamScore

08 Jun 2022, 11:31

If J is a set of six integers, what is the median value of those integ

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

08 Jun 2022, 07:00

1

982

by: sanjitscorps18

08 Jun 2022, 08:39

If a total of 55 books were sold at a community book fair and if each

555-605 (Medium) | Overlapping Sets

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Bunuel

08 Jun 2022, 07:30

1

1,143

by: sanjitscorps18

08 Jun 2022, 08:02

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What is the 57th number in a series of numbers? (1) Each number in th

Sub 505 (Easy) | Sequences

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Bunuel

08 Jun 2022, 03:00

2

1

2,776

by: BrentGMATPrepNow

08 Jun 2022, 06:50

What is the slope of a line L appearing on the xy-plane? (1) Line L

555-605 (Medium) | Coordinate Plane

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Bunuel

08 Jun 2022, 05:00

1

1,296

by: rsama

08 Jun 2022, 05:31

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In the xy-coordinate plane, is point Q equidistant from points (4, 4)

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

Bunuel

07 Jun 2022, 01:30

2

1,639

by: GmatPoint

07 Jun 2022, 02:40

Two groups in the class have passed the test. If the average grade for

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

04 May 2022, 09:00

2

1,857

by: PVOG

04 Jun 2022, 12:54

ER

If (x, y) is a point on a line, then what is the value of x when y is

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

Bunuel

03 Jun 2022, 01:30

3

1

1,250

by: zhanbo

03 Jun 2022, 04:24

ER

In which quadrant does the point (a, b) lie if ab 0? (1) (b, a) lie

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Bunuel

02 Jun 2022, 01:30

3

1

2,272

by: zhanbo

02 Jun 2022, 02:05

What percentage of the female students in a certain history class is

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

Bunuel

01 Jun 2022, 05:30

2

1

1,283

by: varunrai1992

01 Jun 2022, 07:14

ER

S is a sequence such that each term is 3 more than the preceding term.

Sub 505 (Easy) | Sequences

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Bunuel

01 Jun 2022, 01:30

1

2,572

by: zhanbo

01 Jun 2022, 01:40

ER

Molly took a car for rent for her vacation trip. The company that rent

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

27 May 2022, 03:41

1

1,020

by: ThatDudeKnows

27 May 2022, 14:41

Amy bought a bicycle at B dollars. And then sold it to Cindy at prof

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

26 May 2022, 03:12

2

1

1,324

by: VIGHNESHKAMATH

26 May 2022, 23:01

ER

What is the value of integer x ?

605-655 (Medium) | Exponents, Functions and Custom Characters

605-655 (Medium) | Exponents, Functions and Custom Characters hide tags

Bunuel

26 May 2022, 01:30

3

1,724

by: VIGHNESHKAMATH

26 May 2022, 22:33

ER

If b > a, then a is what percent of b? (1) a = 4 (2) b = 4a

Sub 505 (Easy) | Algebra, Percent and Interest Problems

Sub 505 (Easy) | Algebra, Percent and Interest Problems hide tags

Bunuel

25 May 2022, 01:30

2

1,771

by: GMATWhizTeam

25 May 2022, 11:41

The median of the rent of the apartments is 550. What's the average

505-555 (Easy) | Statistics and Sets Problems, Word Problems

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

Bunuel

24 May 2022, 01:58

1

1,301

by: genericUser

24 May 2022, 08:26

If the city of Franklin lies along a certain route between the cities

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

10 Dec 2018, 02:42

2

4

2,185

by: bumpbot

23 May 2022, 09:15

What is the range of 10 numbers 2, 3, 4, 6, 7, 9, 10, 12, 20 and x?

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

04 May 2022, 08:00

3

1

1,330

by: Sushil117

22 May 2022, 07:46

What is the difference between the number of windows and the number of

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

20 Apr 2022, 05:00

1

1,418

by: Archit3110

21 May 2022, 22:31

ER

If the equation of line m is y = −x + 5, what is the slope of line k

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

Bunuel

26 May 2021, 02:30

1

3

2,444

by: swapnils10

19 May 2022, 10:23

ER

In the figure shown, b = ? (1) All the marks are equally spaced

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

18 May 2022, 02:00

1

915

by: BrentGMATPrepNow

18 May 2022, 16:34

ER

The population of a village is calculated by adding the number of male

555-605 (Medium) | Fractions and Ratios +2 tags

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Bunuel

29 Apr 2020, 01:53

11

10

8,096

by: vivek1810971

18 May 2022, 05:13

ER

On a graph the four corners of a certain quadrilateral

655-705 (Hard) | Coordinate Plane, Statistics and Sets Problems

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

trex16864

04 Jan 2013, 03:06

9

8

6,091

by: bumpbot

17 May 2022, 00:40

ER

A certain straight corridor has four doors, A, B, C and D (in that ord

Sub 505 (Easy) | Arithmetic, Word Problems

Sub 505 (Easy) | Arithmetic, Word Problems hide tags

Bunuel

11 May 2016, 03:20

4

2

15,142

by: bumpbot

16 May 2022, 00:09

ER

Karl and Nell made donations to the same charity last year. Did Karl d

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

14 May 2026, 05:42

6

10

2,368

by: bumpbot

15 May 2022, 21:45

ER

At how many points do the two graphs named as "First Graph" and "Secon

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

GMATinsight

13 May 2017, 02:28

11

3

2,608

by: bumpbot

12 May 2022, 23:54

ER

How long did it take a truck to completely cross a half-mile bridge?

505-555 (Easy) | Distance and Speed Problems

505-555 (Easy) | Distance and Speed Problems hide tags

Bunuel

01 Feb 2021, 13:42

7

3

3,121

by: bumpbot

12 May 2022, 20:21

ER

A data set contains 5 values: 11, 13, 15, 19, and x. What is the value

505-555 (Easy) | Statistics and Sets Problems

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

MathRevolution

22 Feb 2018, 02:09

6

3,420

by: bumpbot

12 May 2022, 10:42

ER

How many paintings does Jill own? (1) If Jill sells 5 of her painting

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

03 Mar 2021, 14:54

3

5,083

by: bumpbot

12 May 2022, 02:22

Last week, two classes took a test. If the average score for all stude

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

04 May 2022, 05:30

1

1,376

by: Abhishekgmat87

11 May 2022, 04:36

A man invests two equal sums of money in two banks, both under simple

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

10 Jul 2017, 02:40

8

4

3,322

by: Pranay18

03 May 2022, 03:19

ER

In the xy-plane, what is the slope of line l that passes through the

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Bunuel

20 Apr 2022, 08:00

2

1

2,247

by: GMATWhizTeam

02 May 2022, 08:17

Mimis corner grocery store sells only two kinds of ice cream: Brand X

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

24 Apr 2022, 08:00

1

1,260

by: Abhishekgmat87

28 Apr 2022, 22:40

ER

How much is Y percent of X?

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

20 Jul 2016, 11:47

3

3,331

by: bumpbot

28 Apr 2022, 14:29