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

488,311

by: bb

29 Aug 2025, 13:27

ER

Does b = 2b - a ?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

02 Oct 2017, 23:49

2

5

2,158

by: Shobhit7

05 Oct 2017, 21:34

ER

If p and q are positive integers such that pq has exactly 4 unique pos

805+ (Hard) | Multiples and Factors, Number Properties

805+ (Hard) | Multiples and Factors, Number Properties hide tags

BillyZ

27 Mar 2017, 01:35

29

5

4,764

27 Sep 2017, 01:07

ER

Is x = y?

555-605 (Medium) | Absolute Values, Algebra

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

Bunuel

14 Aug 2017, 06:18

3

5

2,245

by: ScottTargetTestPrep

24 Aug 2017, 13:36

ER

p is an integer between 10 and 99. Is p less than 80?

605-655 (Medium) | Multiples and Factors, Number Properties

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

Bunuel

26 May 2016, 11:11

9

5

3,503

17 Aug 2017, 06:35

ER

If n – k = m, what is the value of m? (1) k – 2 = m + k (2) k = n

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

06 Aug 2017, 07:46

5

3,974

by: BrentGMATPrepNow

07 Aug 2017, 12:04

ER

In ∆ABC to the right, what is the value of y? (1) AB = AC (2) x = 30

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

24 Jun 2017, 08:44

2

5

3,175

by: T700ISB

26 Jul 2017, 20:03

ER

A room is to be painted by Jane and Sally working together. How long w

Sub 505 (Easy) | Work and Rate Problems

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

Sajjad1994

07 Apr 2017, 12:07

4

5

4,168

by: gps5441

25 Jul 2017, 02:47

ER

If m is an integer, is m^4 divisible by 5?

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Bunuel

02 Nov 2016, 03:00

1

5

2,130

by: Nunuboy1994

17 Jul 2017, 17:05

ER

If a ≠ 0, is a^b > 1?

555-605 (Medium) | Exponents, Inequalities

555-605 (Medium) | Exponents, Inequalities hide tags

Bunuel

22 Jun 2017, 04:57

5

2,362

by: arvind910619

22 Jun 2017, 11:03

ER

If -x is a prime number, what is the value of x?

555-605 (Medium) | Algebra, Number Properties

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

Bunuel

22 Jun 2017, 06:01

5

2,413

by: shashankism

22 Jun 2017, 06:17

ER

Is xy > 0? (1) x^2 > 0 (2) xy^2 > 0

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

28 Mar 2016, 02:29

1

5

3,100

by: amanvermagmat

21 Jun 2017, 21:32

ER

Is |x-1| < 1?

705-805 (Hard) | Absolute Values, Inequalities

705-805 (Hard) | Absolute Values, Inequalities hide tags

mokap25

17 Aug 2011, 05:36

10

5

4,161

13 Jun 2017, 23:08

ER

Suppose 3p + 4q = 11. Then what is the value of q?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

11 Jul 2019, 05:25

3

5

3,671

by: utkarshthapak

31 May 2017, 05:07

ER

Is q^2 an odd integer? (1) q is an odd integer (2) q^4 is a

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

enigma123

19 Mar 2012, 04:59

11

5

3,727

30 May 2017, 11:36

ER

What is the value of x – y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

28 May 2017, 02:44

2

5

2,602

by: utkarshthapak

29 May 2017, 03:54

ER

Is n prime?

555-605 (Medium) | Algebra, Number Properties

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

Bunuel

21 May 2017, 11:32

2

5

2,489

by: Kritesh

22 May 2017, 10:33

ER

What is the area of the square?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

GMATDemiGod

07 Dec 2015, 17:21

1

5

2,309

21 May 2017, 09:00

ER

If n is an integer, is n^3 divisible by 54?

655-705 (Hard) | Multiples and Factors

655-705 (Hard) | Multiples and Factors hide tags

Bunuel

09 Mar 2016, 12:48

2

5

2,684

by: chesstitans

16 Apr 2017, 12:18

ER

In the xy-plane, what is the x-intercept of a certain line?

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

shakticnb

31 Aug 2015, 06:21

14

5

5,208

10 Apr 2017, 03:49

ER

What is value of x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

sanjoo

29 Jun 2012, 09:00

2

5

3,832

06 Apr 2017, 01:41

ER

How many of the three heights of triangle ABC do not pass inside the

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

30 Mar 2017, 08:18

5

1,574

by: Kurtosis

03 Apr 2017, 23:32

ER

Is y – z < x – z?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

27 Feb 2017, 04:29

4

5

2,126

23 Mar 2017, 17:02

ER

Is Quadrilateral ABCD above a square?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

09 Mar 2017, 02:33

3

5

5,043

by: Nunuboy1994

12 Mar 2017, 21:31

ER

If x and y are positive integers, is x even?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

chetan2u

26 Feb 2017, 08:40

5

1,577

10 Mar 2017, 10:28

ER

If n is not equal to 0, is |n| < 4 ?

605-655 (Medium) | Absolute Values, Inequalities

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

dvinoth86

21 Feb 2012, 20:22

28

5

5,745

06 Mar 2017, 18:17

ER

30%~35% of the employees in a certain company have cell phones. Do at

Poor Quality

Poor Quality hide tags

BillyZ

23 Feb 2017, 17:51

8

5

3,479

by: mikemcgarry

27 Feb 2017, 12:20

ER

Is integer x prime? (1) x = | x | (2) x! = | x |

555-605 (Medium) | Absolute Values, Algebra

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

Bunuel

10 Dec 2016, 06:33

5

2,787

by: KrishnakumarKA1

23 Feb 2017, 06:58

ER

If jk ≠ 0 and (j, k) lies in the xy-coordinate system, in which quadra

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

Bunuel

30 Mar 2015, 05:41

3

5

5,693

by: KrishnakumarKA1

23 Feb 2017, 04:46

ER

If y = −1/2, is 2x/y > 1?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

08 Feb 2017, 01:48

5

2,389

13 Feb 2017, 08:43

ER

If b > 1, is integer b less than 11?

605-655 (Medium) | Multiples and Factors, Number Properties

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

Bunuel

06 Dec 2016, 07:29

1

5

2,800

06 Feb 2017, 09:16

ER

Does x^2 + 4x + 4 = 10?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

06 Jan 2017, 02:53

5

2,151

by: BloomingLotus

29 Jan 2017, 11:28

ER

If x is w% of y% of z, what percent of y is x?

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

21 Jan 2017, 04:11

4

5

3,185

by: Harambe

24 Jan 2017, 10:58

ER

If a, b, and c are integers, is abc divisible by 8?

505-555 (Easy) | Multiples and Factors

505-555 (Easy) | Multiples and Factors hide tags

Bunuel

03 Nov 2016, 02:26

1

5

2,957

by: stonecold

16 Jan 2017, 03:52

ER

If 3^r/(9^2*k^(-2)) = 25, what is r?

Sub 505 (Easy) | Algebra, Exponents

Sub 505 (Easy) | Algebra, Exponents hide tags

Bunuel

05 Jan 2017, 05:00

1

5

2,738

06 Jan 2017, 11:26

ER

What is the value of x?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

06 Nov 2016, 09:16

3

5

2,454

by: jkolachi

04 Jan 2017, 16:48

ER

Is the average (arithmetic mean) of m and n less than 50?

Sub 505 (Easy) | Statistics and Sets Problems

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

Bunuel

27 Sep 2015, 12:08

5

3,439

by: stonecold

21 Dec 2016, 20:50

ER

If y is a positive integer with 3 digits and the sum of its digits is

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

06 Dec 2016, 00:45

5

2,077

by: pranab223

07 Dec 2016, 08:39

ER

Of positive integers m, n, and p, which is the greatest?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

06 Nov 2016, 09:18

1

5

2,167

by: sai897

07 Nov 2016, 22:29

ER

If n is a positive integer with k digits, how many possibilities are

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

03 Nov 2016, 02:23

5

1,745

by: GMATinsight

03 Nov 2016, 22:21

ER

In the figure, O is the center of the circle of radius 3, an

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

smartyman

24 Jun 2014, 07:58

4

5

3,965

by: KarishmaB

20 Oct 2016, 22:53

ER

What is 11% of x? (1) 3/8 of x is 24 (2) 5% of x is 3.2

Sub 505 (Easy) | Arithmetic, Percent and Interest Problems

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

Bunuel

21 Mar 2016, 07:26

1

5

8,558

by: MathRevolution

20 Oct 2016, 17:25

ER

In the Triangle ABC has angles a, b c at vertex A B C respectively. Is

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

rxs0005

20 Feb 2012, 10:10

1

5

3,349

17 Sep 2016, 13:37

ER

Is |x| < 1 ?

Poor Quality

Poor Quality hide tags

gmatgambler

06 Jan 2014, 03:12

9

5

4,319

30 Aug 2016, 10:18

In the figure, what is the value of y

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

metallicafan

06 Jul 2012, 10:12

2

5

4,437

26 Aug 2016, 08:06

ER

If y≠0 and y≠-1, is x/y > x/(y+1)?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

jimmylow

14 Aug 2016, 06:14

3

5

3,460

14 Aug 2016, 06:15

ER

What is the median of the series S_1, S_2, S_3,, S_n where

Poor Quality

Poor Quality hide tags

EBITDA

16 Jul 2016, 05:39

3

5

2,497

by: pallaviisinha

17 Jul 2016, 09:06

ER

What is the value of (a+b)?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

08 Jul 2016, 07:55

3

5

2,398