Data Sufficiency (DS)

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

Guides & Resources

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bb

23 Aug 2026, 13:03

1.6k

1

496,422

by: bb

23 Aug 2026, 13:01

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

2,869

by: GGMU

15 Feb 2016, 10:43

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

2,427

14 Feb 2016, 23:51

Does x = y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

31 Jan 2016, 08:23

2

4

2,671

by: Donnie84

03 Feb 2016, 19:52

ER

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

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Poor Quality hide tags

rxs0005

21 Jun 2011, 07:03

3

19

5,446

by: chetan2u

01 Feb 2016, 10:03

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

6,125

by: chetan2u

01 Feb 2016, 08:30

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

1,861

by: GMATinsight

01 Feb 2016, 05:38

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

84

9

15,895

by: cuhmoon

31 Jan 2016, 22:55

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

2,267

by: EMPOWERgmatRichC

30 Jan 2016, 00:00

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

5,694

28 Jan 2016, 18:57

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

3,227

by: happy098

26 Jan 2016, 21:47

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

6,914

13 Jan 2016, 08:36

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

2,944

by: fabricioka

12 Jan 2016, 16:17

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

3,619

09 Jan 2016, 14:49

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

3,213

02 Jan 2016, 23:25

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

10,366

by: TeamGMATIFY

29 Dec 2015, 04:06

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

3,997

by: hdwnkr

24 Dec 2015, 12:02

ER

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

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confusedmind

22 Sep 2012, 03:30

14

9

7,553

by: hdwnkr

17 Dec 2015, 12:14

Does the integer p have an odd number of distinct factors?

605-655 (Medium) | Multiples and Factors

605-655 (Medium) | Multiples and Factors hide tags

Bunuel

27 Oct 2014, 07:55

18

6

11,253

by: mvictor

17 Dec 2015, 07:38

ER

Is a>b?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

LukinoF

09 Nov 2013, 11:30

4

6

3,260

12 Dec 2015, 04:08

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

1,960

10 Dec 2015, 01:24

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

4,026

09 Dec 2015, 07:06

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

3,926

06 Dec 2015, 13:04

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

4,498

06 Dec 2015, 11:33

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

2,853

by: mango aadmi

02 Dec 2015, 07:51

ER

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

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12bhang

27 Feb 2014, 06:03

65

11

25,958

21 Nov 2015, 10:25

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

2,310

04 Nov 2015, 11:16

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

2,916

by: padman777

02 Nov 2015, 09:08

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

2,395

by: TheKingInTheNorth

29 Oct 2015, 04:46

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

2,264

by: AkshdeepS

28 Oct 2015, 21:50

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

2,007

by: Skywalker18

28 Oct 2015, 18:54

ER

Is a - b >= 3 ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

28 Oct 2015, 06:58

1

4

2,655

by: GMATinsight

28 Oct 2015, 09:31

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

4,469

24 Oct 2015, 07:50

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

2,451

by: rakshithbabu

23 Oct 2015, 06:28

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

3,360

by: IcyTropic

14 Oct 2015, 15:43

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

3,206

by: thembaseeker

11 Oct 2015, 21:45

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

4,519

by: asethi

11 Oct 2015, 08:16

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

6,084

11 Oct 2015, 06:51

ER

Is x a positive number?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

01 Oct 2015, 01:40

3

5

7,718

06 Oct 2015, 08:19

ER

If 8^0.5y 3^0.75x = 12^n then what is the value of x?? 1) n

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surendar26

20 Dec 2010, 10:14

25

8

8,145

by: brs1cob

27 Sep 2015, 08:52

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

3,831

15 Sep 2015, 09:29

ER

Which inequality below most accurately represents the range of possibl

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

24 Aug 2015, 23:37

2

7

2,824

by: etdenlinger

15 Sep 2015, 04:20

ER

What is the value of x? (1) 3x + 15y = 35 (2) 70 − 6x = 30y

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

09 Sep 2015, 00:48

5

7

3,762

14 Sep 2015, 06:55

ER

Is x>1? (1) x is positive (2) x^2 is less than x

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

shasadou

12 Sep 2015, 12:40

1

2

2,855

13 Sep 2015, 03:37

ER

A sequence of terms a1, a2 ,a3, ..., a(m-1), am, is given by

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

guerrero25

15 Dec 2020, 23:48

41

10

9,612

10 Sep 2015, 01:22

ER

If n is a positive integer, and sqrt[(45)(14)(7^n)-(15)(7^(n-1))(54)]

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wimpytots

02 Sep 2015, 19:30

17

10

4,944

by: ENGRTOMBA2018

04 Sep 2015, 04:55

ER

If ab=1, what is the value of (axb) (ayb) ?

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naaga

31 Dec 2010, 20:58

10

3

14,153

04 Sep 2015, 02:22

ER

How many prime numbers are less than integer k ?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

AbdurRakib

28 Aug 2015, 12:43

3

4

3,166

30 Aug 2015, 00:49

Is x odd? (1) x is a multiple of 3. (2) x is a multiple of 5.

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

27 Aug 2015, 01:20

4

2,343

by: TheKingInTheNorth

28 Aug 2015, 07:13

ER

If r + s = 4, is s < 0? (1) -4 > -r (2) r > 2s + 2

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

28 Jul 2015, 01:43

6

4,997

17 Aug 2015, 09:33

ER

Is xy = -1 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

sugu86

27 May 2014, 00:54

4

7

4,701