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

491,587

by: bb

29 Aug 2025, 13:27

ER

A certain plumber charges $92 for each job completed in 4 hours or

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

26 Jun 2017, 02:31

168

16

39,647

05 May 2026, 12:25

ER

In four production runs (Runs 1 to 4), a quality inspector found

705-805 (Hard) | Statistics and Sets Problems

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

Bunuel

26 Apr 2026, 14:00

7

5

646

05 May 2026, 11:02

ER

A furniture manufacturer produced at least 3 cabinets each day for the

705-805 (Hard) | Statistics and Sets Problems

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

gracieguidotti

12 Jan 2024, 09:28

143

8

16,673

05 May 2026, 10:52

ER

A certain panel is to be composed of exactly three women and

555-605 (Medium) | Combinations

555-605 (Medium) | Combinations hide tags

1, 2

mariyea

09 Feb 2011, 14:05

133

26

31,527

05 May 2026, 05:34

ER

A company produces a certain toy in only 2 sizes, small or large, and

655-705 (Hard) | Fractions and Ratios, Word Problems

655-705 (Hard) | Fractions and Ratios, Word Problems hide tags

Bunuel

26 Apr 2019, 02:51

394

16

45,994

by: Adit_

05 May 2026, 01:53

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

12,021

04 May 2026, 10:08

ER

Each type A machine fills 400 cans per minute, each Type B machine

655-705 (Hard) | Work and Rate Problems

655-705 (Hard) | Work and Rate Problems hide tags

AbdurRakib

24 Jun 2016, 12:36

433

17

46,979

04 May 2026, 10:02

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

32,919

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

528

04 May 2026, 09:31

ER

If x is a positive integer, then is x prime? (1) 3x + 1 is prime

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

11 Mar 2026, 11:02

412

15

64,687

by: Saurav1408

04 May 2026, 08:19

ER

Robots X, Y, and Z each assemble components at their

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

ajit257

07 Dec 2019, 21:06

109

16

32,439

04 May 2026, 05:48

ER

If t is a positive integer and r is the remainder when t^2 + 5t + 6 is

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

1, 2

dpark

23 Feb 2012, 15:21

400

20

48,933

by: impatientdude

04 May 2026, 05:02

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

360

04 May 2026, 03:02

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

6,338

03 May 2026, 13:59

ER

A certain jar contains only b black marbles, w white marbles and r red

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

anilnandyala

16 Nov 2010, 06:43

310

17

46,143

03 May 2026, 08:10

ER

In a class, every student is either American or European

705-805 (Hard) | Overlapping Sets, Probability

705-805 (Hard) | Overlapping Sets, Probability hide tags

jcaguirre91

15 Oct 2021, 19:16

78

11

10,490

03 May 2026, 05:09

ER

If an item is purchased x percent less than its retail price

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

13 May 2024, 01:30

5

2

1,316

03 May 2026, 02:40

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

1,641

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

9,861

02 May 2026, 10:44

ER

Zachary bought a house, refurbished it, and sold it. Buying and refurb

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

31 Mar 2025, 00:30

13

3

2,533

02 May 2026, 09:52

ER

A high school volleyball team completed its regular season last spring

555-605 (Medium) | Percent and Interest Problems, Word Problems

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

Bunuel

30 Apr 2026, 19:00

5

318

02 May 2026, 03:30

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

321

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

3,289

02 May 2026, 02:16

ER

A neighborhood library purchased 45 paperback copies of a novel at an

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

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

Bunuel

29 Apr 2026, 19:00

4

329

02 May 2026, 01:30

ER

Each dinner at Restaurant X includes a pair of side dishes, which

555-605 (Medium) | Combinations

555-605 (Medium) | Combinations hide tags

Bunuel

10 Aug 2023, 05:00

99

5

22,508

01 May 2026, 23:50

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

306

30

46,284

01 May 2026, 09:17

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

313

20

63,651

01 May 2026, 09:02

ER

A new electric car company holds a limited-time sales event. On the fi

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

BillyZ

24 Jan 2017, 01:33

12

4

4,981

01 May 2026, 05:44

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

5,219

01 May 2026, 05:05

ER

A freight train traveled from North Terminal to East Terminal

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

Bunuel

28 Apr 2026, 19:00

4

5

279

01 May 2026, 04:30

ER

40% of the dogs at a certain animal shelter have been microchipped. Ho

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

18 Jul 2019, 08:00

8

5

4,676

01 May 2026, 03:46

ER

A publishing company allocated its entire annual operating budget

705-805 (Hard) | Percent and Interest Problems

705-805 (Hard) | Percent and Interest Problems hide tags

Bunuel

28 Apr 2026, 19:00

5

4

300

01 May 2026, 03:00

ER

At a community center, a total of 31 people enrolled in at least one

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

Bunuel

27 Apr 2026, 19:00

7

5

333

01 May 2026, 02:15

ER

At a museum, all visitors in a certain tour group were either students

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

27 Apr 2026, 19:00

5

4

338

01 May 2026, 01:30

ER

Material A costs $3 per kilogram, and Material B costs $5 per kilogram

655-705 (Hard) | Mixture Problems

655-705 (Hard) | Mixture Problems hide tags

1, 2

alltimeacheiver

05 Aug 2017, 00:16

632

24

91,750

by: Usernamevisible

01 May 2026, 01:06

ER

A stretch of highway, Segment X, has no traffic signals and comprises

705-805 (Hard) | Distance and Speed Problems

705-805 (Hard) | Distance and Speed Problems hide tags

GMATF685

16 Nov 2023, 09:45

47

11

8,176

by: Usernamevisible

01 May 2026, 00:36

ER

A poplar tree was 3 feet high when it was planted on January 1, 1970.

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

23 May 2020, 05:39

13

4

6,652

30 Apr 2026, 21:58

ER

A certain one-day seminar consisted of a morning session and

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

adarsh12345

01 Sep 2019, 13:33

301

19

69,023

30 Apr 2026, 19:36

ER

In Washington School, 150 students study physics or biology

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

enigma123

30 Apr 2026, 10:17

22

12

8,638

30 Apr 2026, 10:17

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

323

30 Apr 2026, 06:45

ER

In a two-month survey of shoppers, each shopper bought one of two bran

555-605 (Medium) | Percent and Interest Problems, Word Problems

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

moonwalking

19 Jul 2017, 14:20

299

13

46,027

30 Apr 2026, 05:57

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

204

19

51,282

30 Apr 2026, 05:57

ER

The 50 participants of a management training seminar ate dinner at a

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

08 Aug 2023, 10:00

156

12

32,627

by: Siddharth17

30 Apr 2026, 05:20

ER

A neighborhood bakery owner selected some pastries to feature in

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

Bunuel

26 Apr 2026, 19:00

3

278

30 Apr 2026, 05:15

ER

At a small architecture firm, the average (arithmetic mean) age of the

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

23 Apr 2026, 19:00

2

4

303

30 Apr 2026, 04:15

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

13,027

30 Apr 2026, 04:10

ER

At a water-treatment facility, a pump was used to fill an empty

605-655 (Medium) | Work and Rate Problems

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

Bunuel

23 Apr 2026, 19:00

5

4

353

30 Apr 2026, 03:30

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

2,150

30 Apr 2026, 02:50

ER

A community theater sold tickets for the same show in January and in

655-705 (Hard) | Percent and Interest Problems

655-705 (Hard) | Percent and Interest Problems hide tags

Bunuel

22 Apr 2026, 19:00

4

3

329

30 Apr 2026, 02:45

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

5,544