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

488,720

by: bb

29 Aug 2025, 13:27

ER

Rachel is throwing a die with sides numbered consecutively

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

Macedon

10 Nov 2013, 04:15

85

14

13,163

17 Apr 2026, 12:46

ER

A department manager distributed a number of books, calendars, and dia

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

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

Bunuel

24 Feb 2016, 04:28

41

10

8,124

17 Apr 2026, 04:52

ER

For a certain set of z numbers, where z > 1, is the average (arithmeti

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

08 Jan 2018, 07:39

2

1,561

17 Apr 2026, 03:47

ER

A factory has three types of machines – A, B, and C – each of which wo

655-705 (Hard) | Work and Rate Problems

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

Bunuel

21 Jul 2016, 04:42

97

9

14,079

by: NidhiYad

17 Apr 2026, 03:19

ER

Set X consists of exactly four distinct integers that are greater than

805+ (Hard) | Number Properties, Statistics and Sets Problems

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

Sajjad1994

29 Oct 2020, 12:02

16

4

3,264

17 Apr 2026, 00:52

ER

In the sequence of positive integers a1,a2,a3,...,an−1,an where n > 5

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

nislam

10 Nov 2021, 10:52

12

3

4,833

by: Adit_

16 Apr 2026, 23:33

ER

At the same time Sue began rolling a wheelbarrow from X to Y, Nancy

605-655 (Medium) | Distance and Speed Problems

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

Bunuel

05 Jun 2015, 06:10

63

10

12,816

by: pappal

16 Apr 2026, 12:49

ER

Set X consists of different positive numbers arranged in ascending ord

555-605 (Medium) | Number Properties, Word Problems

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

enigma123

17 Nov 2011, 16:41

57

9

26,302

16 Apr 2026, 11:27

ER

The greatest of M integers is 400. The least of N integers is 475. Wha

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

13 Apr 2018, 01:19

5

4

1,760

16 Apr 2026, 10:56

ER

[y] denotes the greatest integer less than or equal to y. Is d < 1?

555-605 (Medium) | Algebra, Functions and Custom Characters

555-605 (Medium) | Algebra, Functions and Custom Characters hide tags

Bunuel

20 Feb 2014, 01:14

366

14

48,636

16 Apr 2026, 09:43

ER

N consecutive integers have a median of 24. What is the largest of the

555-605 (Medium) | Statistics and Sets Problems

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

amanvermagmat

08 May 2018, 23:33

3

1,218

16 Apr 2026, 07:19

ER

Last season, a football team scored 35 more goals than it conceded.

655-705 (Hard) | Percent and Interest Problems

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

Bunuel

09 Apr 2026, 19:00

6

4

371

16 Apr 2026, 04:15

ER

A local arts center hosted a weekend illustration workshop.

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

09 Apr 2026, 19:00

5

3

402

16 Apr 2026, 03:30

ER

A bakery packed 150 dessert boxes in two batches. Each box contained

805+ (Hard) | Statistics and Sets Problems

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

Bunuel

08 Apr 2026, 19:00

4

3

317

16 Apr 2026, 02:45

The nth term of an increasing sequence S is given by Sn = Sn-1 + Sn-2

805+ (Hard) | Algebra, Sequences

805+ (Hard) | Algebra, Sequences hide tags

niteshwaghray

01 Jun 2017, 22:35

43

3

7,703

16 Apr 2026, 02:25

ER

At a print shop, premium brochures cost $14 each and standard flyers

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

08 Apr 2026, 19:00

9

4

389

16 Apr 2026, 01:45

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

8,477

by: NamDuong

15 Apr 2026, 23:59

ER

Henry purchased 3 items during a sale. He received a 20 percent discou

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

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

1, 2

docabuzar

11 Jun 2019, 03:53

357

30

63,154

15 Apr 2026, 13:47

ER

A team of 2 is to be selected from a group of 5. if the number of male

655-705 (Hard) | Combinations, Probability

655-705 (Hard) | Combinations, Probability hide tags

Bunuel

19 Jan 2022, 06:00

23

3

4,517

15 Apr 2026, 13:44

ER

At a history museum, the price of each regular admission ticket sold

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

GMAT695

01 Oct 2024, 02:20

37

5

7,784

by: GMAT1034

15 Apr 2026, 12:10

ER

Math Revolution and GMAT Club Contest! There is a sequence An when n

655-705 (Hard) | Sequences

655-705 (Hard) | Sequences hide tags

1, 2

Bunuel

05 Dec 2015, 08:52

48

37

9,311

15 Apr 2026, 12:06

ER

A college admissions committee will grant a certain number

605-655 (Medium) | Combinations

605-655 (Medium) | Combinations hide tags

nverma

12 Apr 2010, 13:56

292

17

36,085

15 Apr 2026, 08:25

ER

If sequence x1, x2, x3, ..., xn is such that xn+1 is 5 more than xn fo

605-655 (Medium) | Sequences

605-655 (Medium) | Sequences hide tags

Bunuel

13 Apr 2022, 01:30

8

2

3,381

15 Apr 2026, 08:12

ER

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

3

1

366

15 Apr 2026, 08:02

ER

Martha bought an armchair and a coffee table at an action and sold bot

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

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

nonameee

10 Jan 2012, 04:05

280

14

51,217

15 Apr 2026, 07:48

ER

A list contains 7 positive integers

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

bambinobirbante

14 Dec 2022, 02:13

6

3

3,763

15 Apr 2026, 07:46

ER

On his trip from Alba to Benton, Julio drove the first x miles at an

605-655 (Medium) | Distance and Speed Problems

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

sandalphon

21 Oct 2019, 02:24

106

19

25,888

by: KarishmaB

15 Apr 2026, 07:33

ER

In a sequence of terms in which each term is three times the

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

mariyea

15 Feb 2011, 08:28

60

13

24,195

15 Apr 2026, 06:38

ER

There is a sequence, 4(10^n), 4(10^(n-1)), ..., 4(10^(n-m)), for posit

805+ (Hard) | Number Properties, Sequences

805+ (Hard) | Number Properties, Sequences hide tags

Bunuel

20 Dec 2015, 06:37

69

12

13,754

15 Apr 2026, 06:06

ER

A cafe tracked the number of online orders over three consecutive days

805+ (Hard) | Percent and Interest Problems

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

Bunuel

07 Apr 2026, 19:00

9

3

355

15 Apr 2026, 02:00

ER

For a production run, the number of inspection hours required, h

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

07 Apr 2026, 19:00

6

4

324

15 Apr 2026, 01:15

ER

When David drove from his home to his parents' home, was his average

605-655 (Medium) | Arithmetic, Distance and Speed Problems

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

Laracbo

27 Feb 2024, 16:52

135

12

16,214

14 Apr 2026, 21:55

ER

A store bought Q windows at $150 per window and W shelves at $75 per

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

24 Jun 2016, 03:11

8

7

3,311

14 Apr 2026, 13:13

ER

Exactly one straight road connects Albertville and Bowton, which are

605-655 (Medium) | Distance and Speed Problems

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

Bunuel

25 Mar 2025, 00:30

8

4

1,270

14 Apr 2026, 07:49

ER

If $10,000 invested for one year at x percent simple annual interest y

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

Confide

16 Feb 2024, 09:58

4

2

3,516

by: Fucio

14 Apr 2026, 07:48

ER

A company has a total of 1,650 employees, some of whom are office work

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

guddo

24 Jan 2024, 02:13

46

4

11,514

by: Harsh_

14 Apr 2026, 07:42

ER

For a cause, 30 people donated $10, $20, or $30.

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Gmat750aspirant

02 Apr 2025, 10:13

10

6

2,122

by: Adit_

14 Apr 2026, 05:59

ER

Alan, Beth, and Chad all needed to use a printerwhose toner cartridge

705-805 (Hard) | Non-Math Related

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

SharukhB

12 Apr 2026, 05:13

9

6

452

14 Apr 2026, 03:28

ER

A box has 10 balls, either red or blue. If two balls are to be drawn s

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

siddharthkapoor

05 Sep 2020, 22:24

13

6

4,697

14 Apr 2026, 03:20

ER

What is the average (arithmetic mean) of eleven consecutive

555-605 (Medium) | Statistics and Sets Problems

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

1, 2

zz0vlb

23 Apr 2010, 18:05

471

26

92,513

by: ankushsambare

14 Apr 2026, 03:12

ER

Laser diodes and micro-controllers are among the components used to ma

805+ (Hard) | Percent and Interest Problems

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

Vishh13

05 Oct 2020, 11:25

14

5

2,261

14 Apr 2026, 03:05

ER

A man, while driving on a highway at uniform speed, observes his car’s

705-805 (Hard) | Distance and Speed Problems

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

Bunuel

06 Jul 2017, 02:36

15

6

4,028

14 Apr 2026, 02:46

ER

For a certain set of n numbers, where n > 1, is the average (arithmeti

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

26 Feb 2014, 02:24

137

14

31,023

by: ankushsambare

14 Apr 2026, 02:16

ER

Today, Laura invested a total of $12,500 at two banks. She invested

605-655 (Medium) | Percent and Interest Problems

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

Bunuel

06 Apr 2026, 19:00

4

3

338

14 Apr 2026, 02:15

ER

A delivery fleet currently has 108 vehicles of two types: vans and

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

06 Apr 2026, 19:00

2

3

304

14 Apr 2026, 01:45

ER

In a certain sequence, when you subtract the Mth element from the (M-1

605-655 (Medium) | Sequences

605-655 (Medium) | Sequences hide tags

Bunuel

02 Apr 2018, 02:17

34

7

9,400

14 Apr 2026, 01:23

ER

A person is to be selected at random from the group T of people. What

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

Bunuel

30 Sep 2024, 01:30

17

5

2,296