Data Sufficiency (DS)

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

Guides & Resources

Guides & Resources hide tags

bb

23 Aug 2026, 13:03

1.6k

1

496,178

by: bb

23 Aug 2026, 13:01

Angela and Maria each earn a different regular monthly salary. Each of

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

13 Aug 2026, 19:00

1

278

by: dhart

13 Aug 2026, 23:52

ER

Bobby and his younger brother Johnny have the same birthday. Johnny's

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

03 Nov 2014, 09:31

118

7

13,222

13 Aug 2026, 23:01

ER

Last year in a group of 30 businesses, 21 reported a net profit and 15

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

TomB

05 Mar 2012, 17:27

239

12

47,418

13 Aug 2026, 22:34

ER

If every member of set X {-14, -12, 17, 28, 41, Z} is multiplied by nu

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

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

vjsharma25

27 Mar 2011, 00:07

48

12

21,144

by: MrMaxMan

13 Aug 2026, 20:13

In a class of 200 students, 30 percent are enrolled in a finance

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

12 Aug 2026, 19:00

3

2

321

by: ThickRiver

13 Aug 2026, 15:36

If two printing machines work simultaneously at their respective

555-605 (Medium) | Work and Rate Problems

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

Bunuel

11 Aug 2026, 19:00

6

5

428

by: ThickRiver

13 Aug 2026, 14:14

ER

The sum of the terms of a geometric progression is 2047.

705-805 (Hard) | Sequences

705-805 (Hard) | Sequences hide tags

Gnpth

11 Aug 2017, 09:17

19

6

8,544

13 Aug 2026, 13:41

ER

A certain company that sells only cars and trucks reported that in 200

655-705 (Hard) | Percent and Interest Problems, Word Problems

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

honchos

04 Oct 2013, 11:08

6

7

6,184

13 Aug 2026, 12:55

ER

In the figure shown, the measure of angle PRS is how many degrees grea

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Sylvan

27 Nov 2018, 01:55

423

19

97,513

13 Aug 2026, 10:26

ER

A certain experiment has three possible outcomes. The outcomes are mut

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

23 Jan 2026, 15:46

52

6

8,800

13 Aug 2026, 09:28

ER

S is a set of points in the plane. How many distinct triangles can be

Sub 505 (Easy) | Combinations, Coordinate Plane

Sub 505 (Easy) | Combinations, Coordinate Plane hide tags

1, 2

GGUY

15 Mar 2008, 00:41

387

23

67,480

13 Aug 2026, 07:55

ER

Sandra saves the same amount of money each month in an account for her

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

08 Jan 2021, 10:07

5

4

3,683

13 Aug 2026, 02:40

ER

Al and Barb shared the driving on a certain trip.

605-655 (Medium) | Distance and Speed Problems

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

jlgdr

20 Sep 2013, 16:21

81

10

19,842

13 Aug 2026, 02:36

ER

Raymonds father weighs twice as much as Raymond. How much does

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

28 May 2026, 11:25

18

5

847

by: HarishChaitanya

13 Aug 2026, 00:48

A certain business school wishes to offer admission to two of the cand

605-655 (Medium) | Combinations

605-655 (Medium) | Combinations hide tags

Redmaster2

19 Jun 2025, 11:00

12

2

1,425

12 Aug 2026, 23:44

ER

On a recent test taken by 21 students, each students test score was

555-605 (Medium) | Statistics and Sets Problems

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

houston1980

01 Jul 2023, 09:23

117

3

25,031

12 Aug 2026, 21:26

ER

If the sequence S has 150 terms, what is the 121st term of S ?

Sub 505 (Easy) | Sequences

Sub 505 (Easy) | Sequences hide tags

Bunuel

21 Jul 2021, 05:00

3

2

1,714

12 Aug 2026, 20:11

ER

At a university orientation, attendance was recorded for two optional

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

21 Jun 2026, 19:00

5

479

12 Aug 2026, 11:20

ER

Is the standard deviation of the numbers in list R less than the stand

705-805 (Hard) | Statistics and Sets Problems

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

parkhydel

28 Apr 2020, 04:52

326

16

26,007

12 Aug 2026, 06:06

The recipe for Bread X requires 4 cups of flour and 1 tbsp of yeast. T

805+ (Hard) | Inequalities +2 tags

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

abrutlag

05 Jul 2020, 10:52

15

4

3,694

12 Aug 2026, 04:24

ER

Minimum value of the function f(x) = |x – a| + |x – b| + |x – c|

805+ (Hard) | Absolute Values +3 tags

805+ (Hard) | Absolute Values, Algebra, Functions and Custom Characters, Min-Max Problems hide tags

sujoykrdatta

14 May 2021, 12:46

31

5

4,226

12 Aug 2026, 03:30

Last year, a company recorded net income (revenue minus costs)

655-705 (Hard) | Percent and Interest Problems

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

kevincan

28 Feb 2026, 06:39

5

3

800

11 Aug 2026, 23:29

ER

If [x] denotes the largest integer smaller than x, is [x]>[x]?

805+ (Hard) | Functions and Custom Characters

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

PathFinder007

14 Jul 2015, 10:44

35

8

8,873

11 Aug 2026, 19:35

ER

If y and z are integers, is y*(z + 1) odd? (1) y is odd (2)

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

anticipation

06 Sep 2010, 07:39

22

12

19,803

by: avoluptatum

11 Aug 2026, 18:44

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

106

6

23,308

by: MrMaxMan

11 Aug 2026, 14:38

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

170

14

34,926

by: MrMaxMan

11 Aug 2026, 13:31

HOT Competition: A function g is defined, for all positive integers x

805+ (Hard) | Functions and Custom Characters

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

Bunuel

25 Aug 2020, 20:00

23

5

6,854

11 Aug 2026, 12:57

ER

Mary, working at a steady rate, can perform a task in m hours. Nadir

605-655 (Medium) | Work and Rate Problems

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

Bunuel

11 Mar 2020, 03:40

74

9

10,652

11 Aug 2026, 08:52

What fraction of the boys and girls at a school are girls?

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

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

Bunuel

10 Aug 2026, 19:00

1

321

by: ricotaepinard

11 Aug 2026, 06:53

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

7

4

3,555

by: RahuloBKL

11 Aug 2026, 05:24

ER

If 3 members are to be selected from a team of x members then what is

555-605 (Medium) | Combinations

555-605 (Medium) | Combinations hide tags

GMATinsight

01 Apr 2018, 01:05

50

7

7,552

11 Aug 2026, 05:21

ER

For its grand opening, a gym decided to sell individual and partner me

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

13 Feb 2021, 09:19

5

4

3,429

11 Aug 2026, 05:04

ER

In how much time will Amy and Stacy complete a particular task

Sub 505 (Easy) | Work and Rate Problems

Sub 505 (Easy) | Work and Rate Problems hide tags

Bunuel

10 Aug 2026, 19:00

2

283

by: odionam

11 Aug 2026, 04:53

ER

A sales manager must select a team of either three or of fou

655-705 (Hard) | Combinations, Word Problems

655-705 (Hard) | Combinations, Word Problems hide tags

fozzzy

15 Jun 2013, 05:27

41

7

10,428

by: RahuloBKL

11 Aug 2026, 04:06

ER

If x, y, and z are distinct positive integers, is x(y – z) less than y

555-605 (Medium) | Algebra, Inequalities

555-605 (Medium) | Algebra, Inequalities hide tags

AbdurRakib

22 Jul 2016, 13:06

14

5

5,603

by: Renchinjav

11 Aug 2026, 03:07

ER

If ab bc^2 < 0, is a < 0?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

goodyear2013

01 Oct 2025, 07:25

20

5

7,230

11 Aug 2026, 02:36

ER

What was the median of the daily numbers of phone calls received at a

505-555 (Easy) | Statistics and Sets Problems

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

houston1980

01 Jul 2023, 09:44

69

3

16,880

11 Aug 2026, 02:06

ER

Train A leaves New York for Boston at 3 PM and travels at

805+ (Hard) | Distance and Speed Problems

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

1, 2, 3

rohitgoel15

22 Jul 2010, 00:49

1.4k

43

142,243

10 Aug 2026, 22:45

ER

If Angela is twice as old as the combined ages of Bill and Charlie

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

09 Aug 2026, 19:00

6

365

by: Mehta17

10 Aug 2026, 19:27

Justin took a test of French at school and scored 72 marks out of 100

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

06 Aug 2026, 19:00

5

2

541

10 Aug 2026, 15:16

ER

If 75 percent of the guests at a certain banquet ordered dessert, what

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

1, 2

Bunuel

14 Aug 2024, 08:50

396

31

70,494

10 Aug 2026, 14:54

In Country X and Country Y, lunch for the vast majority of high...

705-805 (Hard) | Non-Math Related

705-805 (Hard) | Non-Math Related hide tags

az168

25 Dec 2025, 02:48

22

6

2,152

10 Aug 2026, 14:49

ER

What percent of the students at University X are enrolled in a science

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

1, 2

randommbaguy

14 Aug 2024, 08:04

401

31

39,784

10 Aug 2026, 14:47

ER

In Area X, for three continuous days in a certain month of 2012, five

705-805 (Hard) | Non-Math Related

705-805 (Hard) | Non-Math Related hide tags

gemministorm

22 Nov 2025, 12:59

32

13

2,730

10 Aug 2026, 14:32

ER

What fraction of this year's graduating students at a certain college

605-655 (Medium) | Fractions and Ratios

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

1, 2

sunland

17 Jun 2019, 05:54

212

22

39,401

10 Aug 2026, 13:24

ER

If it took Carlos 1/2 hour to cycle from his house to the library yest

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

TomB

11 Jun 2019, 05:58

896

19

156,426

10 Aug 2026, 13:14

ER

Does Company X strive to maintain a low defect rate in order to ensure

555-605 (Medium) | Non-Math Related

555-605 (Medium) | Non-Math Related hide tags

GMATinsight

26 May 2024, 02:15

37

6

5,915

by: MartyMurray

10 Aug 2026, 12:40

ER

David has 3 credit cards: a Passport card, an EverywhereCard and an

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

09 Aug 2026, 19:00

9

5

342

by: Beowulf2nd

10 Aug 2026, 11:53

ER

What is Bens age? (1) Two years less than twice Bens age is equal

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

06 Aug 2026, 19:00

4

489

by: TheAdmissionHub

10 Aug 2026, 10:51

ER

Can financial budgeting help individuals avoid debt?

705-805 (Hard) | Non-Math Related

705-805 (Hard) | Non-Math Related hide tags

1, 2

GMATinsight

26 May 2024, 02:14

143

20

11,381