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

490,918

by: bb

29 Aug 2025, 13:27

ER

Is x a positive number?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

01 Oct 2015, 01:40

3

5

7,654

06 Oct 2015, 08:19

ER

Is xy < 8? (1) x < 2 and y < 4 (2) 0 < x < 1/2 and y^2 < 225

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

06 Oct 2015, 06:03

5

6

6,025

11 Oct 2015, 06:51

ER

If a/3 = 4/b , is a less than b?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

06 Oct 2015, 05:56

2

8

4,449

by: asethi

11 Oct 2015, 08:16

ER

What is the value of |x| ?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

MINDPOWER

11 Oct 2015, 13:16

3

3,113

by: thembaseeker

11 Oct 2015, 21:45

ER

A worker’s account activities consist of three types of

655-705 (Hard) | Algebra, Word Problems

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

gmatbull

01 Nov 2012, 09:15

5

10

4,012

12 Oct 2015, 11:13

ER

If a and b are integers, is a + 8b even?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

12 Oct 2015, 22:31

8

3,308

by: IcyTropic

14 Oct 2015, 15:43

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

2,386

by: rakshithbabu

23 Oct 2015, 06:28

ER

Is xyz = 1? (1) x(y^z) = 1 (2) 5z = 0

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Asmn

28 Aug 2023, 13:23

2

4,401

24 Oct 2015, 07:50

ER

Is a - b >= 3 ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

28 Oct 2015, 06:58

1

4

2,609

by: GMATinsight

28 Oct 2015, 09:31

ER

What is the value of x?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

28 Oct 2015, 07:12

2

4

1,963

by: Skywalker18

28 Oct 2015, 18:54

ER

If a and b are positive integers, is 2(a+b)^1/2 > 4b^1/2

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

28 Oct 2015, 06:56

2

3

2,207

by: AkshdeepS

28 Oct 2015, 21:50

ER

If x is a positive integer and x <= 250, what is the value of x?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

29 Oct 2015, 01:27

1

2

2,353

by: TheKingInTheNorth

29 Oct 2015, 04:46

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

2,843

by: padman777

02 Nov 2015, 09:08

ER

Is - 3 < y < 5 ? (1) - 2 < y < 7 (2) - 4 < y < 6

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

01 Nov 2015, 09:13

3

10

2,256

04 Nov 2015, 11:16

ER

If k is a positive constant and y = |x - k| - |x + k|, what

Poor Quality

Poor Quality hide tags

12bhang

27 Feb 2014, 06:03

65

11

24,740

21 Nov 2015, 10:25

ER

In the figure presented, if lines j and k are parallel, what is the va

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

02 Dec 2015, 07:01

3

2,810

by: mango aadmi

02 Dec 2015, 07:51

ER

If n is an integer, is n + 4 a prime number?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

metallicafan

05 Sep 2013, 08:19

8

7

4,438

06 Dec 2015, 11:33

ER

Each number after the first number in the sequence is 4 less than the

Sub 505 (Easy) | Sequences

Sub 505 (Easy) | Sequences hide tags

sejpara

07 Sep 2014, 07:59

3

3,848

06 Dec 2015, 13:04

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

3,963

09 Dec 2015, 07:06

ER

If the numbers l and m are both greater than 0, is l/m an integer?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

06 Dec 2015, 12:07

4

1,916

10 Dec 2015, 01:24

ER

Is a>b?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

LukinoF

09 Nov 2013, 11:30

4

6

3,195

12 Dec 2015, 04:08

ER

A road roller is used to press a ground of area 2200 sq.

Poor Quality

Poor Quality hide tags

confusedmind

22 Sep 2012, 03:30

14

9

7,516

by: hdwnkr

17 Dec 2015, 12:14

What is the value of N?

555-605 (Medium) | Number Properties, Statistics and Sets Problems

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

banksy

16 Mar 2011, 09:03

2

4

3,950

by: hdwnkr

24 Dec 2015, 12:02

ER

In the figure above, if lines l and m are parallel, what is the value

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

27 Dec 2015, 10:32

2

10,316

by: TeamGMATIFY

29 Dec 2015, 04:06

ER

If s and t are the roots of x^2 + bx + c = 0, then |s − t| = ?

555-605 (Medium) | Absolute Values, Algebra

555-605 (Medium) | Absolute Values, Algebra hide tags

chetan2u

31 Dec 2015, 20:30

1

3

3,158

02 Jan 2016, 23:25

ER

At the end of year X, was the number of self-employed men mo

555-605 (Medium) | Percent and Interest Problems

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

fozzzy

06 Jul 2013, 03:25

1

3

3,581

09 Jan 2016, 14:49

ER

If j and k are integers, is j + k an odd integer?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

02 Dec 2015, 06:53

3

2,891

by: fabricioka

12 Jan 2016, 16:17

ER

x+y)/Z>0 is x<0? (1) x<y (2) z<0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

MHIKER

14 Jun 2011, 07:43

16

3

6,815

13 Jan 2016, 08:36

ER

Is x greater than y?

505-555 (Easy) | Inequalities, Number Properties

505-555 (Easy) | Inequalities, Number Properties hide tags

Bunuel

17 Jan 2016, 11:11

2

3

3,153

by: happy098

26 Jan 2016, 21:47

ER

What is the sum of five numbers?

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

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

Bunuel

26 Jan 2016, 08:18

1

4

5,625

28 Jan 2016, 18:57

ER

Which is the smallest of three numbers that average 7?

Sub 505 (Easy) | Statistics and Sets Problems

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

Bunuel

17 Jan 2016, 11:03

2

3

2,217

by: EMPOWERgmatRichC

30 Jan 2016, 00:00

ER

There are 3 different positive integers.

705-805 (Hard) | Min-Max Problems

705-805 (Hard) | Min-Max Problems hide tags

cuhmoon

31 Jan 2016, 22:55

82

9

15,773

by: cuhmoon

31 Jan 2016, 22:55

ER

Assuming that neither m nor n is zero, is the product m 2 n positive?

505-555 (Easy) | Inequalities, Number Properties

505-555 (Easy) | Inequalities, Number Properties hide tags

Bunuel

31 Jan 2016, 07:14

1

2

1,825

by: GMATinsight

01 Feb 2016, 05:38

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

6,077

01 Feb 2016, 08:30

ER

A certain city owns 298 buses, whose routes are divided into

Poor Quality

Poor Quality hide tags

rxs0005

21 Jun 2011, 07:03

3

19

5,382

01 Feb 2016, 10:03

ER

Does x = y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

31 Jan 2016, 08:23

2

4

2,627

by: Donnie84

03 Feb 2016, 19:52

ER

Is xy < 10? (1) x < 5 and y < 2 (2) x < −3 and y < −1

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

14 Feb 2016, 04:13

2

2,376

14 Feb 2016, 23:51

ER

What is the radius, in inches, of Circle O?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

14 Feb 2016, 03:06

3

4

2,808

by: GGMU

15 Feb 2016, 10:43

ER

What is the area of the circle?

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Mesto

23 Feb 2016, 00:08

2

2,032

21 Feb 2016, 23:02

ER

Two persons A and B run at constant speeds of a miles per hour and b

705-805 (Hard) | Distance and Speed Problems

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

chetan2u

19 Feb 2016, 21:47

24

3

5,686

23 Feb 2016, 23:44

ER

In a certain marching band formation

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Poor Quality hide tags

Vineetk

29 Jun 2013, 03:35

1

6

5,288

07 Mar 2016, 10:00

ER

If p≠0, is r less than zero?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

07 Mar 2016, 03:30

1

3

4,787

07 Mar 2016, 19:55

ER

If n ≠ 1, is (2xn - 2x)/(n-1) > y ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

macjas

27 May 2012, 09:35

4

4,611

by: stonecold

13 Mar 2016, 09:07

ER

What is the area of the trapezoid?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

GMATDemiGod

08 Dec 2015, 11:38

4

2,937

by: Vinayprajapati

15 Mar 2016, 22:51

ER

Is rs = rx − 2 ?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Asifpirlo

21 Aug 2013, 17:51

3

4,271

by: mvictor

17 Mar 2016, 18:44

ER

If A and B are integers, is B > A?

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

16 Mar 2016, 11:12

3

1,715

by: nipunjain14

17 Mar 2016, 19:23

ER

n is a positive number; z – 15 is also a positive number; is z/n less

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

16 Mar 2016, 11:33

3

1,730

by: nipunjain14

17 Mar 2016, 22:55

ER

If the average (arithmetic mean) of 9 numbers is 325, what is the medi

505-555 (Easy) | Statistics and Sets Problems

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

MathRevolution

16 Mar 2016, 18:27

2

2,201

19 Mar 2016, 23:05

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

3,301

24 Mar 2016, 05:33

ER

What is the value of prime number z?

505-555 (Easy) | Inequalities, Number Properties

505-555 (Easy) | Inequalities, Number Properties hide tags

Bunuel

28 Feb 2016, 09:46

1

4

2,385