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

487,952

by: bb

29 Aug 2025, 13:27

ER

Sprinklers are being installed to water a lawn. Each sprinkler waters

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

gmatt1476

21 Sep 2019, 18:05

129

18

18,403

by: vallequalle

12 Mar 2026, 09:12

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

4

3

438

by: Adit_

12 Mar 2026, 08:42

ER

Sophia is buying a smartphone and a phone charger at an electronics

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

16 Apr 2025, 00:30

9

4

1,279

by: Shwetabh54

12 Mar 2026, 07:21

ER

When a cookie is taken at random from a jar, what is the probability

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

Bunuel

24 Jan 2026, 03:45

5

4

695

by: ThatTallGuy

12 Mar 2026, 06:15

ER

Tami purchased several identically priced metal frames and several ide

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

gmatt1476

21 Sep 2019, 16:13

69

17

15,621

12 Mar 2026, 04:04

ER

A ski rental shop charges x dollars for the first hour of a snowboard

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

26 Apr 2026, 13:56

1

485

12 Mar 2026, 03:00

ER

A snack pack contains crackers, raisins, and almonds.

555-605 (Medium) | Fractions and Ratios, Word Problems

555-605 (Medium) | Fractions and Ratios, Word Problems hide tags

Bunuel

26 Apr 2026, 13:50

4

7

509

12 Mar 2026, 02:45

ER

Jerome bought 12 T-shirts for his shop. Premium shirts cost

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

kevincan

11 Mar 2026, 15:18

2

1

282

by: Dereno

12 Mar 2026, 01:47

ER

A factory makes identical parts in two production runs.

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

26 Apr 2026, 13:47

3

484

12 Mar 2026, 01:30

ER

Is k odd? (1) 6k is an even number (2) 7k is an odd number

805+ (Hard) | Non-Math Related, Number Properties

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

GMATBusters

30 Apr 2020, 22:33

39

6

4,601

11 Mar 2026, 19:29

ER

A and B are in a line to purchase tickets. How many people are in the

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

15 Sep 2020, 10:00

10

8

4,921

by: Gmat860sanskar

11 Mar 2026, 12:30

ER

In a certain survey, 1,200 people were asked which they

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

adinit

12 Apr 2011, 22:11

9

7

9,840

11 Mar 2026, 12:30

If m and n are positive integers and mn = k, is m + n = k + 1?

555-605 (Medium) | Algebra, Number Properties

555-605 (Medium) | Algebra, Number Properties hide tags

carbazzy

07 Aug 2019, 15:34

66

8

18,528

11 Mar 2026, 10:59

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

406

14

64,190

11 Mar 2026, 10:58

ER

What is the greatest common divisor of positive integers m and n ?

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

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

1, 2

lahoosaher

06 Jun 2019, 08:23

413

20

91,577

11 Mar 2026, 10:09

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

46

11

21,276

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

26,206

11 Mar 2026, 09:17

ER

Which weekday is the last day of the year?

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

04 Dec 2024, 01:30

10

4

2,274

11 Mar 2026, 08:43

ER

Today, Samson’s Train traveled at a constant rate along a st

555-605 (Medium) | Distance and Speed Problems

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

SleeB

24 Nov 2013, 15:51

26

10

7,827

11 Mar 2026, 05:45

ER

A warehouse is equipped with identical packing machines

655-705 (Hard) | Work and Rate Problems

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

Bunuel

26 Apr 2026, 13:43

6

527

11 Mar 2026, 04:45

ER

Michael bought 12 concert tickets at a price of a dollars per ticket.

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

26 Apr 2026, 13:40

2

3

436

11 Mar 2026, 03:45

ER

A concert hall sold only two types of tickets for a show: Premium and

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

26 Apr 2026, 13:17

5

4

581

11 Mar 2026, 02:45

ER

In a training workshop, each participant took a certification quiz

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

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

Bunuel

26 Apr 2026, 13:15

3

496

11 Mar 2026, 01:15

ER

Three employees, A, B and C, clean a certain conference room each day.

805+ (Hard) | Work and Rate Problems

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

Awli

26 Feb 2015, 11:36

176

12

13,844

10 Mar 2026, 23:27

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

2,948

10 Mar 2026, 18:33

-1

The profit P(t) of a startup company, in thousands of dollars,...

805+ (Hard) | Functions and Custom Characters, Word Problems

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

ElenaFerrante

18 Nov 2025, 04:19

11

5

1,348

by: Edskore

10 Mar 2026, 14:46

ER

John wants to have one dinner with 3 friends: Kathy, Mary, and Norman.

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

27 Aug 2024, 01:30

13

3

1,428

by: Advait01

10 Mar 2026, 10:47

ER

Was Madeline’s job inter view on a Tuesday?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

25 Jul 2018, 21:21

3

4

2,950

10 Mar 2026, 09:15

ER

A yacht club conducts a training race every Friday and Sunday during

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

06 Apr 2022, 05:30

15

3

3,626

by: Adit_

10 Mar 2026, 09:09

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

22

15

11,150

10 Mar 2026, 08:55

ER

A survey included two questions, each of which could be answered with

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

30 Mar 2022, 09:00

21

4

5,173

by: Adit_

10 Mar 2026, 08:45

ER

If the cost of House L increased by 20% over the same time that the

805+ (Hard) | Arithmetic +2 tags

805+ (Hard) | Arithmetic, Fractions and Ratios, Percent and Interest Problems hide tags

aragonn

28 Mar 2019, 07:29

36

3

8,542

10 Mar 2026, 08:01

ER

In 2025, Orion Labs recorded a number for each of the 12 months to

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

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

Bunuel

26 Apr 2026, 13:09

6

4

545

by: Edskore

10 Mar 2026, 05:36

ER

What was Mary's average (arithmetic mean) score on 4 tests?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

23 May 2020, 06:36

4

3

5,342

10 Mar 2026, 05:29

ER

A bike share operator ran a four week pilot program and recorded the

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

26 Apr 2026, 13:12

3

2

528

10 Mar 2026, 05:18

ER

A tea shop placed 27 sealed jars of loose leaf tea on two shelves.

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

26 Apr 2026, 13:07

5

3

517

10 Mar 2026, 03:45

ER

On January 1, 2026, Atlas Fitness had 48,000 more active members than

655-705 (Hard) | Percent and Interest Problems

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

Bunuel

26 Apr 2026, 13:04

3

406

10 Mar 2026, 02:30

ER

Tajs Taxis determines the fare for each trip by adding a fl

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

kevincan

10 Mar 2026, 09:05

2

3

349

by: kevincan

10 Mar 2026, 01:24

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

503

10 Mar 2026, 01:00

ER

At Ginos, customers can order either a snack-sized portion

705-805 (Hard) | Fractions and Ratios, Word Problems

705-805 (Hard) | Fractions and Ratios, Word Problems hide tags

kevincan

09 Mar 2026, 15:20

3

2

334

by: kevincan

10 Mar 2026, 00:34

ER

Each day at Dans new job, he earns $10 more than the day before. If h

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

09 Apr 2020, 03:42

25

6

7,006

09 Mar 2026, 22:12

ER

A seller increased the price of an item by X% and then decreased it by

705-805 (Hard) | Percent and Interest Problems

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

Bunuel

12 Dec 2024, 01:30

6

3

1,914

09 Mar 2026, 14:19

ER

Set A consists of 8 different integers from the list {1,3,5,7,9,11,13,

705-805 (Hard) | Statistics and Sets Problems

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

EgmatQuantExpert

12 Aug 2018, 23:05

19

3

6,065

09 Mar 2026, 13:53

ER

Is the probability that Patty will answer all of the questio

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

pkhats

18 Apr 2014, 02:51

58

9

20,392

09 Mar 2026, 03:22

ER

If a, b, and c are positive numbers such that a is b percent

605-655 (Medium) | Percent and Interest Problems

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

kingflo

20 Jul 2013, 07:08

54

7

25,626

09 Mar 2026, 03:10

ER

A person mixed three varieties of tea priced at $120 per pound, $135

705-805 (Hard) | Fractions and Ratios, Mixture Problems

705-805 (Hard) | Fractions and Ratios, Mixture Problems hide tags

Bunuel

03 Jul 2017, 12:05

65

10

8,879

09 Mar 2026, 02:30

ER

In the x-y plane the y-intercept of line k is less than -2, is x-inter

705-805 (Hard) | Functions and Custom Characters

705-805 (Hard) | Functions and Custom Characters hide tags

MathRevolution

27 Feb 2016, 20:30

7

4

3,572

09 Mar 2026, 00:54

ER

If Aidan were 10 years older, he would be twice as old as Tucker. Is A

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

27 Jul 2017, 01:43

2

4

3,783

08 Mar 2026, 21:01

ER

100 consumers were surveyed about their use of two products, soap A an

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

30 Apr 2017, 18:14

11

6

8,872