Data Sufficiency (DS)

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,626

by: bb

29 Aug 2025, 13:27

ER

A series of 5 numbers is 3, 4, 5, 5, x, is the range greater than 2?

805+ (Hard) | Statistics and Sets Problems

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

144144

06 Jun 2011, 11:53

16

6

5,819

17 May 2026, 04:10

ER

At a certain auto dealership, 500 cars were sold last week.

805+ (Hard) | Min-Max Problems

805+ (Hard) | Min-Max Problems hide tags

Nevernevergiveup

27 Jul 2016, 05:04

55

10

8,716

17 May 2026, 03:04

ER

An artist creates mosaics using stone tiles provided by his clients.

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

22 Sep 2021, 02:00

20

7

3,907

16 May 2026, 07:46

ER

GMAT Club Olympics 2024 (Day 5): There are two teams in a chess

805+ (Hard) | Combinations, Fractions and Ratios

805+ (Hard) | Combinations, Fractions and Ratios hide tags

Bunuel

12 Jul 2024, 07:00

42

9

7,443

15 May 2026, 22:24

ER

In each of five taste tests, each of 51 participants chose either Bran

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

21 Sep 2021, 01:30

4

3

2,193

15 May 2026, 03:15

ER

On a certain week, 950 visitors chose one of weekdays from Monday thro

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

28 Apr 2021, 03:30

13

8

3,049

14 May 2026, 18:09

ER

Yesterday Bookstore B sold twice as many softcover books as hardcover

805+ (Hard) | Statistics and Sets Problems, Word Problems

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

1, 2

parkhydel

28 Apr 2020, 04:59

428

21

40,344

14 May 2026, 12:12

ER

Three teams, A, B and C each have five members. The three teams compet

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

11 May 2016, 00:16

9

5

8,076

by: tanishapriya96

14 May 2026, 09:02

ER

It has been proposed that teenagers aged 10 to 15 years be restricted

805+ (Hard) | Non-Math Related

805+ (Hard) | Non-Math Related hide tags

1, 2

GMATinsight

26 May 2024, 02:07

170

27

14,671

13 May 2026, 22:23

In a sequence S, each term, after the first term, is obtained by

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

TBT

15 Feb 2023, 21:36

10

3

3,329

13 May 2026, 10:01

ER

A jar contains 8 red marbles and y white marbles. If Joan takes 2 rand

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

1, 2

Orange08

26 Sep 2010, 12:55

267

22

48,398

12 May 2026, 22:41

ER

In order to make the national tennis team, Matt

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

jogeshanand

23 Jun 2014, 22:02

91

16

13,365

11 May 2026, 06:35

ER

Of the 5 numbers, the largest number is 4 greater than the median. Is

805+ (Hard) | Statistics and Sets Problems

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

amijags

10 Aug 2010, 03:05

46

7

8,501

11 May 2026, 05:25

ER

A, B, C, D, and E are airline pilots with very busy travel schedules.

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

29 Nov 2019, 02:33

3

4,298

11 May 2026, 04:53

ER

1/3 of golfers also play tennis, 3/5 of tennis players also surf. 4/7

805+ (Hard) | Fractions and Ratios +2 tags

805+ (Hard) | Fractions and Ratios, Overlapping Sets, Probability hide tags

NikkiL

01 Jan 2021, 00:29

41

7

7,462

by: Adit_

10 May 2026, 08:14

ER

At the beginning of a show, a lottery representative put one hundred b

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

Lucky2783

09 Apr 2015, 03:19

89

12

9,007

by: rish_dutton

10 May 2026, 05:02

ER

If the mean of set S is 20, what is the median of set S ?

805+ (Hard) | Statistics and Sets Problems

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

vijaisingh2001

24 Feb 2017, 10:03

52

4

7,068

09 May 2026, 11:01

ER

12 Days of Christmas GMAT Competition - Day 1: After closing the

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

16 Dec 2024, 09:00

44

11

5,533

09 May 2026, 06:16

ER

Elena left Riverton and drove to Lakehurst, which is 420

805+ (Hard) | Distance and Speed Problems

805+ (Hard) | Distance and Speed Problems hide tags

Bunuel

01 May 2026, 11:24

4

7

337

by: VibhuAnurag

09 May 2026, 03:05

ER

GMAT Club Olympics 2024 (Day 2): Of the 100 flowers in a garden, 3/4

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

1, 2

Bunuel

09 Jul 2024, 07:00

59

26

8,804

08 May 2026, 08:45

ER

The average bill at Veracruz Restaurant yesterday was $50 pe

805+ (Hard) | Percent and Interest Problems, Word Problems

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

kevincan

01 Apr 2026, 03:31

6

461

by: AbhishekP220108

07 May 2026, 10:35

ER

Of 100 dogs at an animal shelter, some are doxin and the

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

rxs0005

10 Nov 2010, 04:47

16

10

3,666

07 May 2026, 08:47

ER -1

Kevin rented a car for a cost of c dollars

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

NextstopISB

02 Apr 2025, 10:29

8

4

2,149

by: Adit_

07 May 2026, 02:35

ER

A vending machine dispenses one drink at random from 48 drinks stocked

805+ (Hard) | Overlapping Sets, Probability

805+ (Hard) | Overlapping Sets, Probability hide tags

Bunuel

03 May 2026, 19:00

3

4

249

07 May 2026, 01:30

ER -1

Mrs. Claus is selecting three reindeer from the herd for a special

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

Bunuel

10 May 2024, 01:30

27

10

3,834

06 May 2026, 07:03

ER

In a certain company, 25% of the women and 17% of the men participate

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

09 Apr 2015, 07:15

71

9

11,957

04 May 2026, 10:08

ER

X grams of water were added to the 80 grams of a strong

805+ (Hard) | Mixture Problems

805+ (Hard) | Mixture Problems hide tags

prasun84

18 Nov 2008, 11:16

270

10

32,758

04 May 2026, 09:57

ER -1

Fairview department store bought a number of regular-

805+ (Hard) | Percent and Interest Problems, Word Problems

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

kevincan

20 Mar 2026, 14:25

5

8

465

04 May 2026, 09:31

ER

At an animal shelter, 12 animals were available for adoption.

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

Bunuel

30 Apr 2026, 19:00

5

6

309

04 May 2026, 03:02

ER

The nth term, where n > 1, in a series S of positive integers is

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

TBT

02 Mar 2023, 00:53

10

3

1,598

02 May 2026, 23:29

A red box contains 7 ropes, with an average length of 60 cm per rope,

805+ (Hard) | Arithmetic, Min-Max Problems

805+ (Hard) | Arithmetic, Min-Max Problems hide tags

amanvermagmat

07 May 2018, 23:47

91

4

9,784

02 May 2026, 10:44

ER

At a food fair, Nora bought 8 kilograms of nuts from each of two

805+ (Hard) | Fractions and Ratios, Word Problems

805+ (Hard) | Fractions and Ratios, Word Problems hide tags

Bunuel

29 Apr 2026, 19:00

4

8

270

02 May 2026, 02:45

ER

A function f(x) is defined as f(x) = x + x2 for an integer x. If a is

805+ (Hard) | Functions and Custom Characters, Number Properties

805+ (Hard) | Functions and Custom Characters, Number Properties hide tags

Bunuel

03 Jun 2020, 23:02

15

5

3,251

02 May 2026, 02:16

ER

w, x, y, and z are integers. If z > y > x > w, is |w| > x^2

805+ (Hard) | Absolute Values, Inequalities

805+ (Hard) | Absolute Values, Inequalities hide tags

1, 2

enigma123

01 Dec 2011, 01:52

304

30

46,128

01 May 2026, 09:17

ER

This table lists enrollment in an afterschool program by act

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

kuttingchai

29 May 2013, 00:56

31

4

5,176

01 May 2026, 05:05

ER

If xФy = (2x - y)/(2y - x), where x ≠ 2y, then is a≠b > b≠a ?

805+ (Hard) | Functions and Custom Characters, Inequalities

805+ (Hard) | Functions and Custom Characters, Inequalities hide tags

gmatprep2011

16 Apr 2011, 06:28

11

5,504

30 Apr 2026, 02:40

ER

A, B, C and D are in Arithmetic Progression, what is the num

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

JayPatadiya

04 Aug 2019, 07:36

5

4

2,807

30 Apr 2026, 02:29

ER

If x_n = a^{(2n-1)}, where n is a positive integer then find sum of th

805+ (Hard) | Functions and Custom Characters +2 tags

805+ (Hard) | Functions and Custom Characters, Number Properties, Sequences hide tags

GMATinsight

27 May 2021, 08:45

5

3

1,642

30 Apr 2026, 02:18

ER

GMAT CLUB OLYMPICS: Odyssey runs from the Trojan Horse, which does not

805+ (Hard) | Distance and Speed Problems

805+ (Hard) | Distance and Speed Problems hide tags

Bunuel

19 Aug 2021, 08:00

51

6

10,928

29 Apr 2026, 07:55

ER

Q is the set of all integers between A and B, inclusive, where A is an

805+ (Hard) | Statistics and Sets Problems

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

Bunuel

02 May 2021, 00:45

7

4

1,909

29 Apr 2026, 07:10

ER

If k is an integer and x(x k) = k + 1, what is the value of x?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Bunuel

01 Sep 2015, 22:51

187

14

30,854

by: impatientdude

29 Apr 2026, 01:25

ER

In a group of 80 college students, how many own a car?

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

1, 2

Hussain15

03 Oct 2017, 02:31

283

25

33,602

28 Apr 2026, 18:01

ER

At a certain animal shelter, there are nine dogs available for

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

Bunuel

06 Feb 2023, 07:43

54

18

8,776

by: Peterparker2

28 Apr 2026, 06:03

ER

Professor Blinken scores essays with respect to content, gra

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

kevincan

27 Mar 2026, 22:34

1

366

by: Edskore

26 Apr 2026, 13:54

ER

In the sequence T, the first term is the non-zero number a, and each

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

Bunuel

06 Dec 2023, 02:30

6

3

1,980

25 Apr 2026, 23:49

ER

Adam can type at a constant rate of 50 words per minute and Bernie can

805+ (Hard) | Work and Rate Problems

805+ (Hard) | Work and Rate Problems hide tags

GMATinsight

20 Mar 2021, 01:50

15

5

2,050

25 Apr 2026, 23:00

ER

Last year, a certain company began manufacturing product X

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

1, 2

Walkabout

01 Aug 2021, 04:04

909

22

85,256

24 Apr 2026, 06:38

ER

In a certain Italian recipe book, every recipe that includes oregano

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

Bunuel

27 Jun 2024, 01:30

17

4

1,319

23 Apr 2026, 10:08

ER

There are three different ways to score in basketball. A successful

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

27 Jun 2024, 01:30

42

10

7,659

23 Apr 2026, 08:45

ER

If s is the sequence of more than two observations

805+ (Hard) | Statistics and Sets Problems

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

PyjamaScientist

03 Oct 2021, 00:30

16

3

1,912