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

488,672

by: bb

29 Aug 2025, 13:27

ER

Avas desk drawer contains only blue, green, and silver tokens

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

Bunuel

06 May 2026, 19:00

6

4

311

10 May 2026, 02:30

ER

Of the students in a certain math class, each student either is a math

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

12 Aug 2024, 01:30

8

4

1,625

10 May 2026, 08:51

ER

What is the sum of the squares of the three consecutive terms of a geo

705-805 (Hard) | Algebra, Sequences

705-805 (Hard) | Algebra, Sequences hide tags

Bunuel

13 May 2020, 07:58

8

4

3,001

11 May 2026, 05:16

ER

A pair of skis originally cost $160. After discount of x

555-605 (Medium) | Percent and Interest Problems

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

summer101

27 Mar 2013, 07:14

8

4

7,019

11 May 2026, 23:42

ER

Chan and Mieko drove separate cars along the entire length of a certai

505-555 (Easy) | Distance and Speed Problems

505-555 (Easy) | Distance and Speed Problems hide tags

mihir0710

15 May 2017, 02:08

37

4

17,058

12 May 2026, 09:18

ER

A city volunteer program recorded whether each of its 480 volunteers

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

11 May 2026, 19:00

3

4

217

by: SS990

12 May 2026, 17:29

ER

In the top ten finishers of a cycling race, 4 were Italians and 8

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

Bunuel

23 Oct 2025, 08:07

78

4

20,731

13 May 2026, 07:16

ER

A certain company operates a website, Z,

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Brownbatman

20 Nov 2025, 13:40

13

4

1,987

by: eaat

13 May 2026, 07:41

ER

A certain shipment of identical cans of soup can be packed either into

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

29 Oct 2015, 01:26

13

4

4,094

13 May 2026, 08:55

ER

A certain ski shop sold 125 pairs of skis and 100 pairs of ski boots

Sub 505 (Easy) | Statistics and Sets Problems, Word Problems

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

parkhydel

28 Apr 2020, 04:50

22

4

10,716

14 May 2026, 11:40

In a class, teacher decides to choose two students for a certain exper

555-605 (Medium) | Arithmetic, Combinations

555-605 (Medium) | Arithmetic, Combinations hide tags

amanvermagmat

05 Jun 2018, 11:56

21

4

7,809

15 May 2026, 07:07

In an election four parties A, B, C and D contested for a post. 40% of

705-805 (Hard) | Statistics and Sets Problems

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

Adityachopra1

05 Aug 2023, 00:35

3

4

2,082

17 May 2026, 01:51

ER

What was the ratio of the number of shares of stock X to shares of

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

20 Jan 2025, 01:30

2

4

1,265

17 May 2026, 20:42

ER

What was Jean's insurance premium in 1995 ?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

11 Jun 2019, 03:14

13

4

12,576

18 May 2026, 05:21

ER -2

A team of workers including Tom and Dick work in the same office

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

Bunuel

23 Jan 2026, 09:15

2

4

544

by: Stella5200

18 May 2026, 06:51

Who is the fastest among the three workers a, b and c? (1) a

Poor Quality

Poor Quality hide tags

gmatblast

17 Jan 2004, 18:55

1

5

18,704

by: gmatblast

21 Jan 2004, 09:33

ER

If n is an integer, what is the remainder when n is divided

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Poor Quality hide tags

vcbabu

12 Oct 2013, 09:19

19

5

14,428

by: IanStewart

21 Jun 2009, 10:40

ER

Is this a rt triangle

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agnok

20 Jul 2010, 08:26

1

5

3,357

by: trunksli

20 Aug 2010, 21:34

ER

Given a set {x, y, z}, if the first term in the data set

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v1rok

08 Aug 2012, 05:04

3

5

13,231

by: shrouded1

28 Oct 2010, 03:37

ER

a^2+b^2=6, a+b=? 1. b-a=2 2. a=-b

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Creeper300

07 Nov 2010, 00:56

1

5

3,649

by: KarishmaB

07 Nov 2010, 07:14

In triangle ABC, point X is the midpoint of side AC and

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

burnttwinky

11 Jul 2013, 02:29

37

5

8,808

by: siddhans

02 Jul 2011, 22:41

ER

Is it true that exactly two of the three sentences I, II,

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nonameee

02 Nov 2011, 07:26

1

5

2,635

by: nonameee

03 Nov 2011, 04:46

ER

If m and z are integers, is z divisible by 11 ?

555-605 (Medium) | Multiples and Factors

555-605 (Medium) | Multiples and Factors hide tags

rxs0005

06 Feb 2012, 09:11

8

5

4,571

06 Feb 2012, 14:05

ER

What is the remainder when n is divided by 15?

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mithun2vrs

27 Apr 2012, 11:03

9

5

9,910

12 Jun 2012, 04:56

ER

If angle BAD is a right angle, what is the length of side

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

gottabwise

23 Jan 2010, 16:43

6

5

12,935

24 Jan 2013, 07:24

ER

A certain electronic memory game is played by answering equa

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ankitD

09 Feb 2013, 04:54

1

5

3,014

by: IanStewart

10 Feb 2013, 07:24

Is j-k > 1/j - 1/k ?

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guerrero25

13 Apr 2013, 12:00

4

5

3,798

by: mau5

15 Apr 2013, 11:09

ER

The useful life of a certain piece of equipment is

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

kairoshan

19 Nov 2009, 06:45

7

5

16,954

05 May 2013, 04:21

ER

What is the value of b ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

avohden

22 Oct 2013, 22:00

5

3,079

01 Dec 2013, 07:21

ER

The third-place finisher of the Allen County hot dog eating

555-605 (Medium) | Work and Rate Problems

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

rao

29 Jul 2013, 08:33

30

5

19,546

26 Dec 2013, 08:29

ER

If the point (4,6) lies on line l, and the point (x,3)

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

gauravsoni

08 Dec 2015, 03:34

2

5

5,775

21 May 2014, 02:19

ER

Barry leaves for the studio

705-805 (Hard) | Distance and Speed Problems

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

gaurav245

02 Jul 2014, 04:49

4

5

3,245

02 Jul 2014, 05:07

ER

Seven different numbers are selected from the integers 1 to

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

aurobindo

22 Jul 2014, 14:34

27

5

16,474

22 Jul 2014, 14:35

ER

What is the sum of the digits of the positive integer n

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

judokan

05 Sep 2014, 22:01

32

5

24,116

05 Sep 2014, 22:02

ER

Does the area of a certain square greater than the area of a certain

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

26 Dec 2014, 08:49

3

5

3,650

by: CCMBA

09 Jan 2015, 20:49

ER

If x > 0, is √x > x ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

16 Feb 2015, 06:48

7

5

4,206

by: EMPOWERgmatRichC

22 Feb 2015, 23:43

ER

If x and y are integers, is xy even?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

mpcostello

20 Apr 2015, 04:35

5

4,498

20 Apr 2015, 04:36

ER

Is x = 1?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

19 Jun 2015, 01:55

6

5

4,716

22 Jun 2015, 06:22

ER

The perimeter of square ABCD is half of the perimeter of parallelogram

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

07 Sep 2015, 23:00

1

5

3,730

15 Sep 2015, 09:29

ER

Is x a positive number?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

01 Oct 2015, 01:40

3

5

7,629

06 Oct 2015, 08:19

ER

Alison, the company CEO, wants to schedule a one-hour meeting on Monda

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

12 Jan 2015, 11:01

2

5

2,355

by: rakshithbabu

23 Oct 2015, 06:28

ER

If x < y, is x^4 < y^4 ?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

01 Nov 2015, 09:20

1

5

2,816

by: padman777

02 Nov 2015, 09:08

ER

If a and b are positive integers, a is what percent of b ?

Sub 505 (Easy) | Percent and Interest Problems

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

Bunuel

06 Dec 2015, 12:03

1

5

3,945

09 Dec 2015, 07:06

ER

What is the area of the shaded portion of the half-circle?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

31 Jan 2016, 07:26

7

5

6,061

by: chetan2u

01 Feb 2016, 08:30

ER

Is xy < 0 ? (1) 4|x| + 2|y| = 0 (2) 7|x| + 5|y| = 0

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

Rock750

28 Apr 2013, 15:10

3

5

3,285

24 Mar 2016, 05:33

ER

If x and y are integers, is xy greater than 0? 1) x2 is greater than

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

13 Apr 2016, 05:29

1

5

3,221

by: sameerspice

14 Apr 2016, 19:00

ER

If x is an integer, is 3x odd?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

12 Apr 2016, 02:24

1

5

2,396

16 Apr 2016, 02:42

ER

If a and b are integers and ab ≠ 0, what is the units digit of ab?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

21 Apr 2016, 00:44

5

2,152

25 Apr 2016, 06:28

ER

If n and q are positive integers, what is the units digit of q?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

21 Apr 2016, 00:32

2

5

3,317

by: Balajikarthick1990

27 Apr 2016, 04:19

ER

Is the number of seconds required to travel d1 feet at r1

555-605 (Medium) | Distance and Speed Problems

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

kajolnb

20 Jul 2011, 09:45

24

5

7,185