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

79,994

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

189,048

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

488,790

by: bb

29 Aug 2025, 13:27

ER

If x is a positive integer, is x<16?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

shapla

12 Jan 2016, 09:34

39

11

21,475

by: Bunuel

15 May 2026, 07:50

ER

What was the population of City X in 2002 ? (1) X's population in 200

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

26 Apr 2019, 07:23

37

9

14,687

by: Bunuel

14 May 2026, 11:50

ER

If the 1st term of a sequence is 0 and the 2nd term is 1, is the 5th

505-555 (Easy) | Sequences

505-555 (Easy) | Sequences hide tags

Bunuel

26 Apr 2019, 01:59

56

17

22,661

by: Bunuel

14 May 2026, 11:42

ER

How many more first-time jobless claims were filed in week P than in

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

01 Jul 2018, 21:45

15

2

6,424

by: bumpbot

14 May 2026, 10:48

ER

In a sequence of numbers in which each term after the first term is 1

505-555 (Easy) | Sequences

505-555 (Easy) | Sequences hide tags

Bunuel

30 Aug 2017, 06:02

16

6

10,936

by: bumpbot

14 May 2026, 10:38

ER

Do more than 50% of the children in a certain group have

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

cmugeria

10 Sep 2010, 15:29

32

7

14,710

by: bumpbot

14 May 2026, 03:13

ER

Chan and Mieko drove separate cars along the entire length of a certai

505-555 (Easy) | Distance and Speed Problems

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

mihir0710

15 May 2017, 02:08

37

4

17,082

by: bumpbot

12 May 2026, 09:18

ER

Jane walked for 4 miles. What was her average speed for the first 2 mi

505-555 (Easy) | Distance and Speed Problems

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

danielwaugh

01 Oct 2007, 22:35

48

18

18,821

by: bumpbot

12 May 2026, 09:16

ER

If the price of a magazine is to be doubled, by what percent

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

sky

08 Jul 2010, 04:04

44

9

13,864

by: bumpbot

09 May 2026, 23:54

ER

During a one day sale, a store sold each sweater of a certain type for

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

netcaesar

12 Dec 2018, 05:06

117

17

44,736

by: bumpbot

09 May 2026, 23:38

ER

The twelve numbers shown represent, the ages, in years, of the twelve

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

10 May 2026, 12:42

5

4

6,487

by: bumpbot

07 May 2026, 08:11

ER

Every game of chess that Artem played this month resulted in a win, a

505-555 (Easy) | Fractions and Ratios, Word Problems

505-555 (Easy) | Fractions and Ratios, Word Problems hide tags

Bunuel

23 Mar 2022, 07:30

5

4

2,415

by: bumpbot

06 May 2026, 19:33

ER

All of the seats in a lecture hall are arranged in 15 rows.

505-555 (Easy) | Sequences, Word Problems

505-555 (Easy) | Sequences, Word Problems hide tags

fozzzy

17 Sep 2013, 01:40

5

4

6,261

by: bumpbot

03 May 2026, 13:59

ER

By what percent was the price of a certain television set discounted

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

Bunuel

29 Nov 2010, 01:23

202

19

51,132

by: bumpbot

30 Apr 2026, 05:57

ER

Brady, Charlie, and Daryl play on the same baseball team. The number o

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

20 Nov 2022, 12:45

1

2

939

by: bumpbot

29 Apr 2026, 05:53

ER

How many parking spaces are occupied in a certain parking lo

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

fozzzy

11 Sep 2013, 06:22

4

2

3,217

by: bumpbot

25 Apr 2026, 11:07

ER

Mohit went cycling on 10 consecutive days. Every day he started from

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

gmatt1476

30 May 2024, 12:14

15

8

5,893

by: TangyOrb

25 Apr 2026, 08:24

ER

A small factory that produces only upholstered chairs and sofas uses 1

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

26 Jun 2018, 05:50

22

6

12,712

by: bumpbot

23 Apr 2026, 09:50

ER

A car traveled a distance of d miles in t minutes at an average rate

505-555 (Easy) | Distance and Speed Problems

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

Bunuel

23 May 2020, 09:14

30

7

12,438

by: bumpbot

23 Apr 2026, 09:09

ER

If S is a set of odd integers and 3 and –1 are in S, is –15 in S ?

505-555 (Easy) | Sequences

505-555 (Easy) | Sequences hide tags

Bunuel

26 Apr 2019, 01:57

119

18

24,287

by: bumpbot

20 Apr 2026, 10:50

ER

A bartender mixes drink A with drink B. If drink A contains 24 percent

505-555 (Easy) | Mixture Problems

505-555 (Easy) | Mixture Problems hide tags

Bunuel

01 May 2026, 11:05

15

7

8,480

by: NamDuong

15 Apr 2026, 23:59

ER

For integers a, b, and c, a/(b-c) = 1. What is the value of (b-c)/b?

505-555 (Easy) | Algebra +2 tags

505-555 (Easy) | Algebra, Multiples and Factors, Number Properties hide tags

Bunuel

06 Oct 2017, 05:30

33

5

16,357

by: esseeligendi

13 Apr 2026, 19:37

ER

Was 70 the average (arithmetic mean) grade on a class test?

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

rahulraao

08 Oct 2005, 08:58

45

8

21,853

by: bumpbot

11 Apr 2026, 09:38

ER

A certain company currently has how many employees?

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

justtapas

02 Nov 2012, 23:22

28

4

19,892

by: bumpbot

11 Apr 2026, 03:15

Andrew and Clair each purchased a book, and the list prices of their

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

guddo

24 Jan 2024, 03:59

9

2

3,916

by: bumpbot

11 Apr 2026, 03:01

ER

K is a set of integers such that if the integer r is in K,

505-555 (Easy) | Statistics and Sets Problems

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

dkverma

04 Aug 2012, 03:39

94

19

29,808

by: bumpbot

10 Apr 2026, 22:53

ER -1

A certain list consists of 400 different numbers. Is the average......

505-555 (Easy) | Statistics and Sets Problems

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

nalinnair

22 May 2016, 23:36

176

13

29,118

by: bumpbot

09 Apr 2026, 10:41

ER

A rental car agency purchases fleet vehicles in two sizes: a

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Yalephd

02 Dec 2010, 14:14

148

13

27,090

by: bumpbot

08 Apr 2026, 10:34

ER

What was the total amount John earned on his two investments?

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

Bunuel

10 Oct 2019, 21:40

2

3

2,475

by: bumpbot

08 Apr 2026, 10:03

ER

If the symbol @ represents either addition or multiplication, which op

505-555 (Easy) | Arithmetic, Functions and Custom Characters

505-555 (Easy) | Arithmetic, Functions and Custom Characters hide tags

zerotoinfinite2006

10 Nov 2010, 03:56

97

10

41,391

by: bumpbot

06 Apr 2026, 11:14

ER

In Year X, 8.7 percent of the men in the labor force were un

505-555 (Easy) | Arithmetic, Percent and Interest Problems

505-555 (Easy) | Arithmetic, Percent and Interest Problems hide tags

Bunuel

23 Jan 2014, 03:28

71

10

29,411

by: bumpbot

06 Apr 2026, 11:05

ER

When 200 gallons of oil were removed from a tank, the volume of oil

505-555 (Easy) | Fractions and Ratios, Word Problems

505-555 (Easy) | Fractions and Ratios, Word Problems hide tags

milind1979

25 Mar 2009, 23:05

106

10

31,739

by: bumpbot

05 Apr 2026, 20:22

ER

The sale price of a certain jacket was 15 percent less than its origin

505-555 (Easy) | Percent and Interest Problems, Word Problems

505-555 (Easy) | Percent and Interest Problems, Word Problems hide tags

bbhawini

20 Sep 2017, 23:54

18

3

10,490

by: bumpbot

05 Apr 2026, 16:21

ER

At a lakeside park, two cyclists, Maya and Tessa, started riding at

505-555 (Easy) | Distance and Speed Problems

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

Bunuel

31 Mar 2026, 19:00

3

489

by: Bunuel

03 Apr 2026, 02:30

How many cards does Adam have currently?

505-555 (Easy) | Inequalities, Word Problems

505-555 (Easy) | Inequalities, Word Problems hide tags

abhiramkrishna

25 Mar 2026, 08:40

3

320

by: Archit3110

01 Apr 2026, 03:01

ER

In the figure, what is the value of r? (1) c = 2 (2) c = d

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Bunuel

01 Mar 2023, 04:28

17

9

4,413

by: MartyMurray

31 Mar 2026, 05:08

ER

How far did Ken jump on his fifth attempt in the state long jump final

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

18 Jul 2018, 01:41

5

2

2,151

by: bumpbot

30 Mar 2026, 08:24

ER

Of the shares of stock owned by a certain investor, 30

505-555 (Easy) | Algebra, Word Problems

505-555 (Easy) | Algebra, Word Problems hide tags

BabySmurf

25 Jan 2014, 02:16

190

7

55,410

by: bumpbot

28 Mar 2026, 07:47

ER

Does effective advertising require a higher budget expense than

505-555 (Easy) | Non-Math Related

505-555 (Easy) | Non-Math Related hide tags

guddo

14 Aug 2024, 07:17

22

4

4,218

by: JustKeepGoing

22 Mar 2026, 02:13

ER

A manufacturer conducted a survey to determine how many peop

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

1, 2

144144

10 Dec 2010, 12:32

338

20

73,819

by: bumpbot

19 Mar 2026, 11:22

ER

12 Days of Christmas GMAT Competition - Day 12: Robert pays x% of his

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

25 Dec 2021, 07:00

48

3

3,277

by: chloreton

16 Mar 2026, 10:26

ER

Leo starts assembling gift boxes for a charity event.

505-555 (Easy) | Work and Rate Problems

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

Bunuel

26 Apr 2026, 14:31

2

4

570

by: chloreton

16 Mar 2026, 10:09

ER

Three friends rented a car for a week and divided the cost equally.

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

22 Dec 2014, 09:17

98

11

30,043

by: bumpbot

15 Mar 2026, 19:14

ER

Just before Christmas stereo x and stereo y both go on sale.

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

Bunuel

18 Jan 2026, 15:15

1

429

by: shivani1351

15 Mar 2026, 00:03

ER

Attendance at a certain play was 8% higher on Saturday night than it

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

Bunuel

18 Jan 2026, 11:15

1

398

by: shivani1351

14 Mar 2026, 23:49

ER

If p is a positive integer, is 2^p + 1 a prime number?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

07 Apr 2017, 23:43

47

11

21,354

by: totaltestprepNick

11 Mar 2026, 09:42

ER

Is the integer n a prime number?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

AbdurRakib

01 Jul 2016, 05:05

66

6

26,268

by: totaltestprepNick

11 Mar 2026, 09:17

ER

The estimated savings rate of Country X decreased by 10 percent over

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

Bunuel

25 May 2018, 02:02

6

3

2,976

by: bumpbot

10 Mar 2026, 18:33

ER

Is the standard deviation of ages of students in class A greater than

505-555 (Easy) | Statistics and Sets Problems

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

snoor

03 Jun 2008, 01:01

23

15

11,207

by: bumpbot

10 Mar 2026, 08:55

ER

In 2025, Aurora Media sold StreamPlus subscriptions for s dollars each

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

26 Apr 2026, 13:00

2

4

532

by: Bunuel

10 Mar 2026, 01:00