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

496,584

by: bb

23 Aug 2026, 13:01

A workshop runs on Wednesday, Thursday and Friday.

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

25 Oct 2024, 01:30

3

1

1,196

by: Nitish1103

25 Oct 2024, 05:28

On a particular day, Mary Inklewood made a total of 149 shillings from

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

25 Jul 2024, 01:30

10

3

2,145

by: agrotechpepper

23 Oct 2024, 11:43

ER

What is the mode of the list above?

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

20 Aug 2018, 04:35

28

12

5,742

23 Oct 2024, 11:13

Two cars, A and B, each traveled a distance of 200 miles. Did car A us

Sub 505 (Easy) | Distance and Speed Problems

Sub 505 (Easy) | Distance and Speed Problems hide tags

Bunuel

15 Oct 2019, 23:15

3

4

2,719

23 Oct 2024, 10:23

ER

Each day, a vendor rents a booth. She is charged both a flat fee and 5

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

01 Jan 2021, 09:00

3

2

1,953

23 Oct 2024, 10:22

ER

There are 100 employees in a company. Is the standard deviation of the

555-605 (Medium) | Statistics and Sets Problems

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

MathRevolution

23 May 2018, 18:10

6

3

2,758

22 Oct 2024, 08:27

ER

A survey is done in am office among 120 people to know how many of the

805+ (Hard) | Overlapping Sets, Probability

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

a70

14 Aug 2018, 04:15

38

7

11,029

22 Oct 2024, 06:42

The usual price of a bagel was reduced during a sale. How much money

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

22 Oct 2024, 01:30

1

794

22 Oct 2024, 06:40

If Mike buys a bicycle and a helmet for a total cost of $315, how much

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

22 Oct 2024, 01:30

2

1,041

22 Oct 2024, 06:27

There are two sets of numbers Set A and Set B. Is the average of

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

30 Aug 2023, 01:30

7

2

1,787

21 Oct 2024, 11:29

A father distributed his total wealth to his two sons. How much wealth

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

21 Oct 2024, 01:30

2

1,044

21 Oct 2024, 06:08

A jar contains only green pencils and red pencils. If the jar contains

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

21 Oct 2024, 01:30

2

923

21 Oct 2024, 06:05

From a cask containing y liters of milk, x liters of milk is drawn out

555-605 (Medium) | Mixture Problems

555-605 (Medium) | Mixture Problems hide tags

Bunuel

17 Oct 2018, 00:45

17

7

5,624

by: 10xEBITDA

20 Oct 2024, 10:12

If the average (arithmetic mean) of 4 different numbers is 3

705-805 (Hard) | Number Properties, Statistics and Sets Problems

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

danzig

22 Oct 2012, 06:03

19

5

5,561

20 Oct 2024, 05:53

A zebra must get water from either a stream or pond. Which of the two

555-605 (Medium) | Work and Rate Problems

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

Bunuel

22 Sep 2021, 03:00

5

3

2,506

19 Oct 2024, 23:10

ER

Line P and Q intersect at a point (2,-5), is the slope of line P is

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

Bunuel

08 Dec 2021, 06:00

12

11

4,797

19 Oct 2024, 03:20

ER

Lines L and M intersect at (-2,-2). Is the Value of X- intercept of L

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

srikanth9502

02 Oct 2017, 00:26

48

15

8,752

19 Oct 2024, 02:07

ER

You make a new sequence by removing 2 elements from the sequence {1, 3

705-805 (Hard) | Statistics and Sets Problems

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

Bunuel

12 Nov 2022, 13:40

6

2

2,088

19 Oct 2024, 00:42

ER

If a certain machine produces bolts at a constant rate, how many

Sub 505 (Easy) | Work and Rate Problems

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

Bunuel

08 Feb 2018, 23:32

7

6

9,764

18 Oct 2024, 17:10

ER

Aaliyah purchased 5 pencils and pens. If each pencil costs 18 cents an

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

05 Apr 2017, 03:24

4

3

4,447

18 Oct 2024, 13:57

At Company K, how many people make up the sales force?

Sub 505 (Easy) | Percent and Interest Problems

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

Bunuel

18 Oct 2024, 01:30

4

2

1,352

18 Oct 2024, 06:15

How many baseball cards do Keith, Pat, and Steve own in total?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

18 Oct 2024, 01:30

3

2

899

18 Oct 2024, 06:11

In her piggy bank, Kaela has only dimes and quarters, totaling 30 coin

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

17 Oct 2024, 01:30

2

928

17 Oct 2024, 14:58

If t1 and t2 are the numbers of teachers and s1 and s2 are the numbers

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

17 Oct 2024, 01:30

4

3

919

17 Oct 2024, 14:53

How many people in a society of 500 own both a bike and a car?

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

07 Oct 2024, 01:30

4

3

1,873

17 Oct 2024, 03:42

ER

What was the number of defective batteries in a shipment of

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

patanahi

31 Mar 2012, 11:42

11

8

7,876

16 Oct 2024, 12:08

A certain cafeteria sells donuts and pizzas. Is the number of people

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

16 Oct 2024, 01:30

8

2

1,362

16 Oct 2024, 06:41

ER

The coordinates of points A and B are p, q and (r, s). Is |q| > |s|?

605-655 (Medium) | Absolute Values +2 tags

605-655 (Medium) | Absolute Values, Coordinate Plane, Inequalities hide tags

Bunuel

25 Jul 2017, 22:47

19

6

5,276

16 Oct 2024, 03:32

Did John save at least 18 percent less in February than in January ?

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

15 Oct 2024, 01:30

9

1

1,399

by: tgsankar10

16 Oct 2024, 03:05

What is the value of n? (1) j = -4 (2) j = -k

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

28 Mar 2022, 01:30

4

2

2,177

15 Oct 2024, 09:55

ER

In the morning, Chris drives from Toronto to Oakville and in the eveni

805+ (Hard) | Distance and Speed Problems

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

Bunuel

18 Aug 2015, 01:48

182

14

13,214

14 Oct 2024, 23:18

ER

A group of six friends noticed that the sum of their ages is the squar

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

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

dynmoz

15 Aug 2018, 01:08

7

3

3,874

14 Oct 2024, 14:10

The ratio of profit percentage of 1 cricket bat to 1 tennis racquet is

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

ChandlerBong

08 Apr 2023, 02:43

3

2

1,471

14 Oct 2024, 13:20

University U has 13,472 undergraduate students, 37.5 percent of whom

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

14 Oct 2024, 01:30

6

1

1,645

by: Krunaal

14 Oct 2024, 03:56

A sports goods manufacturing company sells the same fixed number of

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

30 Sep 2024, 01:30

3

2

1,449

13 Oct 2024, 08:08

During a five day charity drive, the least amount of money raised in

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

13 Sep 2024, 01:30

6

3

1,949

13 Oct 2024, 01:33

ER

What is the median of a certain set of 7 numbers?

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

zz0vlb

05 Jan 2015, 05:09

6

4

11,771

12 Oct 2024, 06:39

At a company dinner, each of the 56 employees present ate at least one

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

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

amanvermagmat

11 May 2018, 11:38

15

3

2,963

12 Oct 2024, 05:50

ER

In a sequence S, each term, after first term,

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

fitzpratik

20 Mar 2019, 20:25

25

3

6,288

12 Oct 2024, 04:40

ER

What is the average (arithmetic mean) of w, x, y, z, and 10?

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

Bunuel

18 Mar 2016, 00:19

4

8,227

11 Oct 2024, 19:11

ER

Set P contains 3 distinct positive integers: A, B and C. Is the averag

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

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

Bunuel

26 Jan 2022, 05:00

1

4

2,187

by: adroitpensador

10 Oct 2024, 23:52

ER

What percent of Firm XYZ's budget will be spent on legal exp

655-705 (Hard) | Percent and Interest Problems

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

Archit143

16 Dec 2012, 11:55

13

6

4,891

10 Oct 2024, 11:28

Is the sum of five consecutive integers odd? (1) The first number is o

505-555 (Easy) | Number Properties, Statistics and Sets Problems

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

Sajjad1994

19 Dec 2018, 12:31

7

5

3,799

10 Oct 2024, 11:03

ER

What percentage of families in the state have annual incomes over $50

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

30 Apr 2026, 10:59

19

4

6,658

10 Oct 2024, 03:57

ER

Of the 700 flat screen televisions sold by Easy Electronics, 30% offer

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

08 Aug 2024, 01:30

2

4

1,531

by: Bunuel

10 Oct 2024, 00:33

Four balls A, B, C and D are of different colours and are kept in

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

09 Oct 2024, 01:30

2

1,443

by: Krunaal

09 Oct 2024, 15:20

The price of martha's meal was $10, and she left a tip that was r

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

08 Oct 2024, 01:30

3

1,379

by: prantorboni

08 Oct 2024, 22:17

ER

If the average of three numbers of 2, 5, and x equal to the median, wh

655-705 (Hard) | Statistics and Sets Problems

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

Recon

04 Oct 2020, 05:11

9

3

1,826

08 Oct 2024, 08:40

ER

A line with the equation y = px + q is reflected over the

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

bhandariavi

20 Mar 2011, 17:14

51

18

14,856

07 Oct 2024, 00:29

The average height of a group of children is 125 cm. If one of the chi

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

08 Jul 2016, 08:06

7

5

4,535