GMAT Data Sufficiency (DS) Forum - Free Practice Questions

ER

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

Bunuel

25 Oct 2022, 08:11

179

15

79,697

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

858

24

188,974

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

488,673

by: bb

29 Aug 2025, 13:27

ER -2

A team of workers including Tom and Dick work in the same office

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

Bunuel

23 Jan 2026, 09:15

2

4

545

by: Stella5200

18 May 2026, 06:51

ER

What was the ratio of the number of shares of stock X to shares of

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

20 Jan 2025, 01:30

2

4

1,265

by: bumpbot

17 May 2026, 20:42

ER

Are at least 80 percent of the people in Country X

605-655 (Medium) | Statistics and Sets Problems, Word Problems

605-655 (Medium) | Statistics and Sets Problems, Word Problems hide tags

metallicafan

30 Apr 2012, 18:18

23

8

8,471

by: bumpbot

15 May 2026, 03:22

ER

Last week Linda and Nancy each worked 40 regular hours at the same

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

guddo

24 Jan 2024, 04:03

32

6

6,352

by: bumpbot

14 May 2026, 18:49

ER

A certain company consists of three divisions, A, B, and C. Of the emp

605-655 (Medium) | Statistics and Sets Problems, Word Problems

605-655 (Medium) | Statistics and Sets Problems, Word Problems hide tags

parkhydel

28 Apr 2020, 04:47

177

19

26,213

by: Bunuel

14 May 2026, 11:19

On the Celsius scale of temperature, water freezes at 0° and boils at

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Borrat

22 Mar 2026, 06:53

2

726

by: Borrat

12 May 2026, 06:35

ER

A can complete a piece of work in 10 days. How many days will B take

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

30 Jul 2024, 08:30

4

2

1,435

by: bumpbot

11 May 2026, 10:40

ER

If x is greater than 105 percent of w, is x > 25?

605-655 (Medium) | Inequalities, Percent and Interest Problems

605-655 (Medium) | Inequalities, Percent and Interest Problems hide tags

Bunuel

29 Nov 2017, 00:33

11

8

3,004

by: bumpbot

11 May 2026, 04:50

ER

For any integers x and y, min(x, y) and max(x, y) denote the minimum a

605-655 (Medium) | Algebra +2 tags

605-655 (Medium) | Algebra, Functions and Custom Characters, Min-Max Problems hide tags

saswata4s

22 Mar 2018, 19:33

46

10

7,828

by: bumpbot

11 May 2026, 01:09

ER

Cathy was born less than 10 years ago and Karen is at least 22 years

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

13 Jul 2020, 03:47

9

5

2,729

by: bumpbot

09 May 2026, 05:18

ER

Solomon leases space for his barber shop, and his landlord has

605-655 (Medium) | Percent and Interest Problems

605-655 (Medium) | Percent and Interest Problems hide tags

guddo

30 May 2024, 11:01

60

7

7,650

by: bumpbot

09 May 2026, 00:53

ER

List A is split into two sub-lists B and C. All the elements of list B

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

RenB

11 Aug 2023, 21:58

5

2

2,197

by: bumpbot

07 May 2026, 22:05

ER

If m and n are positive integers, is m + n divisible by 4 ?

605-655 (Medium) | Multiples and Factors

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

Carcass

27 Jul 2017, 05:33

439

17

39,756

by: Bunuel

07 May 2026, 20:05

ER

A chef mixes P ounces of 60% sugar solution with Q ounces of a 10% sug

605-655 (Medium) | Mixture Problems

605-655 (Medium) | Mixture Problems hide tags

Bunuel

05 May 2026, 08:29

85

18

14,761

by: Gmat860sanskar

07 May 2026, 09:34

ER

At a delivery depot, some parcels currently loaded onto Van Cedar are

605-655 (Medium) | Percent and Interest Problems, Word Problems

605-655 (Medium) | Percent and Interest Problems, Word Problems hide tags

Bunuel

03 May 2026, 19:00

4

5

238

by: Bunuel

07 May 2026, 02:30

ER

10 + 11 + 12 +...+ x = 5106 What is x?

605-655 (Medium) | Arithmetic, Sequences

605-655 (Medium) | Arithmetic, Sequences hide tags

huongguyen

15 Oct 2021, 20:19

22

5

3,753

by: bumpbot

06 May 2026, 07:47

ER

How long did it take Ms. Nkalubo to drive her family nonstop from her

605-655 (Medium) | Distance and Speed Problems

605-655 (Medium) | Distance and Speed Problems hide tags

Bunuel

12 Feb 2019, 00:47

7

3

2,077

by: bumpbot

05 May 2026, 22:48

ER

Last month Grace worked, and was paid for, a total of x hours. Some of

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

fozzzy

17 Jan 2013, 06:50

112

11

23,169

by: bumpbot

02 May 2026, 11:35

ER

If there are more than two numbers in a certain list, is each of the

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

1, 2

devinawilliam83

27 Aug 2018, 05:49

310

20

63,478

by: bumpbot

01 May 2026, 09:02

ER

Kate invested x dollars, where X 2 1,000, for one year in a new

605-655 (Medium) | Percent and Interest Problems

605-655 (Medium) | Percent and Interest Problems hide tags

Bunuel

24 Mar 2024, 05:53

40

4

10,803

by: RSaurastri

01 May 2026, 02:01

ER

During lunch service, a snack kiosk sold bread rolls, wraps, bowls of

605-655 (Medium) | Fractions and Ratios, Word Problems

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

Bunuel

26 Apr 2026, 19:00

1

3

250

by: Bunuel

30 Apr 2026, 06:45

ER

The ratio of blue collar workers to white collar workers at Company K

605-655 (Medium) | Fractions and Ratios, Word Problems

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

Bunuel

06 Jan 2020, 07:10

6

3

12,925

by: bumpbot

30 Apr 2026, 04:10

ER

In a certain international contest the winners received only gold and

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

13 May 2021, 00:15

5

4

2,110

by: bumpbot

30 Apr 2026, 02:50

ER

Pete works at three part-time jobs to make extra money. What are hisav

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

20 Sep 2021, 01:30

11

8

3,233

by: Advait01

30 Apr 2026, 01:06

ER

For all numbers p and q (where p 0 ), the operation $ is defined as

605-655 (Medium) | Functions and Custom Characters

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

Bunuel

24 Jun 2022, 09:30

5

3

2,105

by: Bunuel

29 Apr 2026, 22:10

ER

What is the thousandth term of S, a certain sequence of numbers?

605-655 (Medium) | Sequences

605-655 (Medium) | Sequences hide tags

Bunuel

23 May 2020, 06:59

77

11

11,413

by: bumpbot

29 Apr 2026, 09:09

ER

A gym that sold only individual and family memberships charged $500

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

26 Jun 2022, 20:30

3

2

1,631

by: bumpbot

29 Apr 2026, 04:15

ER

If Vivica typed a document at an average rate that was greater than

605-655 (Medium) | Work and Rate Problems

605-655 (Medium) | Work and Rate Problems hide tags

happy1992

03 May 2016, 06:52

19

9

5,491

by: bumpbot

28 Apr 2026, 18:19

ER

What is the sum of the terms in a certain sequence of consecutive inte

605-655 (Medium) | Sequences

605-655 (Medium) | Sequences hide tags

Bunuel

26 May 2021, 02:01

5

3

2,809

by: GrandGG

28 Apr 2026, 05:53

ER

A shipping company has two departments, one for standard shipping and

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

Bunuel

20 Nov 2023, 02:30

5

2

2,400

by: bumpbot

27 Apr 2026, 09:20

ER

An artist's portfolio consisting of 1,000 photos is divided into 20 su

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

13 Feb 2015, 08:46

13

5

5,614

by: bumpbot

27 Apr 2026, 06:58

ER

Of the 20 people who each purchased 2 tickets to a concert, some used

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

rahuldev31

13 Feb 2017, 08:36

84

14

15,787

by: bumpbot

26 Apr 2026, 06:19

ER

At a shipping center, every package in a certain batch is either

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

Bunuel

19 Apr 2026, 19:00

5

3

269

by: Bunuel

26 Apr 2026, 01:00

ER

A company sells item X and Y at different discount before the Christma

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

23 Jul 2022, 13:30

3

2

1,209

by: bumpbot

25 Apr 2026, 05:35

ER

Fifty percent of all the students attending a school on a certain day

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

11 Nov 2019, 04:23

20

4

6,990

by: bumpbot

25 Apr 2026, 05:28

ER

In the coordinate plane, a triangle has points (4,6), (8,6), and (x,y)

605-655 (Medium) | Coordinate Plane, Geometry

605-655 (Medium) | Coordinate Plane, Geometry hide tags

Bunuel

23 May 2018, 22:53

15

4

4,347

by: dhairya18

23 Apr 2026, 23:51

ER

Set S consists of n numbers arranged in ascending order. A

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

dancinggeometry

05 Sep 2008, 21:59

19

13

11,493

by: bumpbot

23 Apr 2026, 07:05

ER

Michael arranged all his books in a bookcase with 10 books on each she

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

10 Feb 2014, 00:27

283

15

42,559

by: bumpbot

22 Apr 2026, 13:00

ER

There are a number of red beads and white beads in a jar. If Mike were

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

Bunuel

07 Apr 2016, 08:36

12

3

4,441

by: bumpbot

22 Apr 2026, 03:54

ER

The average (arithmetic mean) of a list of positive numbers is what

605-655 (Medium) | Percent and Interest Problems, Statistics and Sets Problems

605-655 (Medium) | Percent and Interest Problems, Statistics and Sets Problems hide tags

Bunuel

07 Nov 2017, 23:25

38

8

8,843

by: bumpbot

21 Apr 2026, 08:50

ER

Before the start of the fall service cycle, the city transit authority

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

14 Apr 2026, 19:00

5

4

285

by: Bunuel

21 Apr 2026, 04:00

ER

For a certain exam, was the standard deviation of the scores

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

gmat1220

09 May 2011, 00:12

85

11

11,707

by: bumpbot

18 Apr 2026, 23:38

ER

The sequence of s1, s2, s3, . . . , sn of n is such that sk = 2k -1 if

605-655 (Medium) | Sequences

605-655 (Medium) | Sequences hide tags

RITU700

05 Mar 2016, 13:29

23

6

7,661

by: bumpbot

18 Apr 2026, 11:58

ER

Ann and Pierre purchased $37 worth of French fries.

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Gnpth

15 Jul 2014, 23:45

15

6

5,386

by: bumpbot

18 Apr 2026, 11:54

ER

A group of 580 people participated in a survey. Each of these people

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

01 Jul 2020, 02:55

12

8

5,605

by: bumpbot

18 Apr 2026, 11:27

ER

If S is a sequence of numbers of the form X, XX, XXX, XXXX, XXXXX, …,

605-655 (Medium) | Multiples and Factors +2 tags

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

Bunuel

27 Jan 2016, 03:14

26

10

9,482

by: bumpbot

18 Apr 2026, 08:29

A company produces three types of electronic components: X, Y, and Z.

605-655 (Medium) | Math Related, Word Problems

605-655 (Medium) | Math Related, Word Problems hide tags

Gmat750aspirant

28 Feb 2025, 09:36

15

5

2,617

by: Jash1666

17 Apr 2026, 23:47

ER

At the same time Sue began rolling a wheelbarrow from X to Y, Nancy

605-655 (Medium) | Distance and Speed Problems

605-655 (Medium) | Distance and Speed Problems hide tags

Bunuel

05 Jun 2015, 06:10

63

10

12,807

by: pappal

16 Apr 2026, 12:49

ER

Henry purchased 3 items during a sale. He received a 20 percent discou

605-655 (Medium) | Percent and Interest Problems, Word Problems

605-655 (Medium) | Percent and Interest Problems, Word Problems hide tags

1, 2

docabuzar

11 Jun 2019, 03:53

357

30

63,147

by: luisdicampo

15 Apr 2026, 13:47

ER

A college admissions committee will grant a certain number

605-655 (Medium) | Combinations

605-655 (Medium) | Combinations hide tags

nverma

12 Apr 2010, 13:56

292

17

36,076

by: luisdicampo

15 Apr 2026, 08:25