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

488,306

by: bb

29 Aug 2025, 13:27

ER

How many patients can a group of dermatologists diagnose in one day?

555-605 (Medium) | Work and Rate Problems

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

Bunuel

20 Jul 2016, 11:37

7

6

4,162

by: dadie

06 Nov 2021, 07:59

ER

In the above diagram, a square is inscribed in a circle, which is insc

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

26 Aug 2015, 00:48

26

13

5,470

by: Abdeviliiers

06 Nov 2021, 07:35

ER

Are all sides of quadrilateral ABCD equal?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

23 Apr 2021, 01:30

5

12

4,658

by: andrenoble

06 Nov 2021, 05:51

ER

Does z = y(x+1)/x^2 ? (1) x^2z = y (2) y/x = 0

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

06 Oct 2021, 01:30

3

5

2,759

by: chetan2u

06 Nov 2021, 05:30

ER

The number of dogs stocked at a certain pet shop is k times the number

Poor Quality

Poor Quality hide tags

nislam

29 Oct 2021, 10:30

7

5

1,822

by: andrenoble

06 Nov 2021, 04:37

ER

If a and b are integers and a^b = 16, |a - b| = ? (1) b ≠ 1 (2) a > 0

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

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

Bunuel

24 Sep 2021, 01:30

11

5

2,920

by: JerryAtDreamScore

05 Nov 2021, 09:47

ER

If x + 3y − 3 = 2y − 3x, what is the value of x?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

04 Nov 2021, 01:30

1

1,386

04 Nov 2021, 09:07

ER

If K is the area of a rectangle, then what is K?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

04 Nov 2021, 01:30

2

1,236

04 Nov 2021, 09:00

ER

Can the positive integer k be expressed as the product of

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

enigma123

11 Feb 2012, 20:08

12

7,052

04 Nov 2021, 07:45

ER

Is 9 the HCF of p and q?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

GMATBusters

23 May 2020, 19:09

21

15

5,414

by: Fdambro294

04 Nov 2021, 00:38

ER

If n and p are positive integers, what is the ratio of n to p?

705-805 (Hard) | Algebra, Fractions and Ratios

705-805 (Hard) | Algebra, Fractions and Ratios hide tags

Bunuel

25 Jan 2018, 23:34

11

9

3,308

03 Nov 2021, 20:47

ER

N is the number of sides of a polygon. What is N?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

03 Nov 2021, 01:30

4

2

1,681

by: Victor19

03 Nov 2021, 11:29

ER

If a, b, and c are all integers, is ab + bc + ca + a^2 odd?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

22 Jul 2021, 01:31

7

6

3,774

03 Nov 2021, 07:14

ER

Mark has fewer than 9 coins. Each coin is either a quarter (worth $0.2

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

08 Oct 2021, 01:30

3

4

5,690

03 Nov 2021, 07:11

ER

In each of five taste tests, each of 51 participants chose either Bran

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

21 Sep 2021, 01:30

3

2

2,159

03 Nov 2021, 06:51

ER

What is the value of (x - 2)(2 + y) ? (1) xy = 6 (2) x + y = 5

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

14 Jan 2020, 05:23

3

1,834

03 Nov 2021, 06:49

ER

The diagram above shows a rectangular garden, bordered by a walkway co

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

29 Sep 2021, 01:00

2

2,686

03 Nov 2021, 06:48

ER

In the figure shown, all the lines pass through point A in the center.

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Bunuel

30 Sep 2021, 01:30

4

2

1,509

03 Nov 2021, 06:47

ER

John, Michael and Sameer paddled a boat for about 1500 feet. Who paddl

555-605 (Medium) | Work and Rate Problems

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

Bunuel

06 Oct 2021, 01:30

3

2

2,011

03 Nov 2021, 06:45

ER

Is x > 2 + 2y ? (1) x^2 - 3xy + 2y^2 = 0 (2) y < -2

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

25 May 2020, 11:23

9

8

4,066

03 Nov 2021, 06:44

ER

Jade's compensation consists of a salary plus a commission that is eq

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

30 Jun 2021, 09:00

2

1,548

03 Nov 2021, 06:44

ER

Gold gym has few members in two batches, A and B. The gym can divide

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

07 Apr 2021, 02:00

2

1,679

03 Nov 2021, 06:44

ER

What is the area of circle ? (1) The ratio of the circumference of th

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

20 Oct 2021, 06:00

3

1,792

03 Nov 2021, 06:43

ER

a + b = 8. Is ab > 8? (1) a^2 - b^2 = 32 (2) a^2 + b^2 = 40

605-655 (Medium) | Algebra, Inequalities

605-655 (Medium) | Algebra, Inequalities hide tags

Bunuel

03 Nov 2021, 05:00

2

1

1,824

by: Nidzo

03 Nov 2021, 06:15

ER

In triangle ABC above, what is the length of segment AB?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

03 Nov 2021, 02:00

1

1,699

by: Nidzo

03 Nov 2021, 02:23

ER

What is the value of 30 percent of a certain number?

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

Bunuel

10 Feb 2020, 05:04

1

3

2,406

02 Nov 2021, 23:03

ER

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

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

Bunuel

11 May 2016, 03:17

4

3

14,926

02 Nov 2021, 22:58

ER

If x is not equal to 0, 1 or −1, is x^2 − 1/x^2 + 1 > x^2 + 1/x^2 − 1

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Russ19

02 Nov 2021, 02:52

1

1,148

by: chetan2u

02 Nov 2021, 07:51

ER

If all members of Set X are positive integers, what is the range of Se

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

27 Oct 2016, 23:10

7

3

4,369

02 Nov 2021, 06:06

ER

Is m divisible by 6? (1) m is divisible by 3 (2) m is divisible by 4

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Bunuel

27 Nov 2018, 02:51

5

4

23,367

31 Oct 2021, 22:59

ER

In the xy-coordinate plane, line L 1 and line L 2 intersect at the

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

RITU700

05 Mar 2016, 12:59

14

4

4,858

31 Oct 2021, 09:19

Find an integer F

555-605 (Medium) | Absolute Values, Algebra

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

stolyar

22 May 2003, 00:57

18

4

7,165

31 Oct 2021, 06:39

ER

If 0 < a < b < c, does the median of a, b, and c equal the mean of a,

705-805 (Hard) | Statistics and Sets Problems

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

Bunuel

13 Apr 2018, 01:21

6

5

2,632

31 Oct 2021, 02:45

ER

If a is an integer, is b an integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

30 Jul 2016, 03:03

3

3,414

31 Oct 2021, 01:32

ER

Is |abc| > abc? 1) ab > 0 2) ac ≤0 GMATinsight

555-605 (Medium) | Absolute Values, Inequalities

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

GMATinsight

27 Oct 2021, 03:19

2

1,533

by: Archit3110

30 Oct 2021, 21:53

ER

Is x > 0?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

1, 2

afife76

27 Feb 2014, 11:15

26

21

9,215

30 Oct 2021, 06:47

ER

The cost of production of a certain instrument increases with the numb

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

29 Oct 2021, 01:30

2

6

2,171

by: CrackverbalGMAT

29 Oct 2021, 21:48

ER

If x equals one of the numbers 1/54, 1/23, or 1/12, then (1) 1/55 < x

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

29 Oct 2021, 01:30

1

1,281

by: PyjamaScientist

29 Oct 2021, 05:20

ER

Is r more than -12?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

dxx

02 Jun 2014, 11:22

2

5

2,700

29 Oct 2021, 04:50

ER

If set A is {1, 7, 11, 14, 19, 21}, and set B is {11, 21, x, y}, where

555-605 (Medium) | Multiples and Factors, Number Properties

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

PikaB

29 Oct 2021, 00:29

1

1,041

29 Oct 2021, 01:02

ER

The above figure shows a circle with center O.

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

GMATBusters

25 Apr 2020, 19:06

7

14

4,217

28 Oct 2021, 22:34

ER

What is the height of a rectangular tank? (1) The area of the base of

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

28 Oct 2021, 01:30

1

1,067

28 Oct 2021, 03:55

ER

Is 1/8 < n < 1/6 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

FN

25 Oct 2014, 06:00

9

4,957

by: CrackverbalGMAT

27 Oct 2021, 22:24

ER

Given the set of numbers {5, 1, x, 2, 7, 3, 6}, what is the value of x

Sub 505 (Easy) | Statistics and Sets Problems

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

Bunuel

27 Oct 2021, 06:30

1

2

1,675

by: sanjitscorps18

27 Oct 2021, 10:39

ER

Each person who attended a certain concert paid the same

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

dreambeliever

02 Jun 2011, 19:35

2

13

5,263

27 Oct 2021, 09:26

ER

What is the value of x? (1) x < 3 (2) x > 1

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

27 Oct 2021, 09:00

1

930

by: Archit3110

27 Oct 2021, 09:03

ER

In triangle ABC above, does (AB)^2 + (BC)^2 = (AC)^2 ? 1) x + z = 100

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

27 Oct 2021, 03:30

1

3

1,726

27 Oct 2021, 07:51

ER

If n is an integer greater than 9 and less than 21, is n even?

505-555 (Easy) | Multiples and Factors, Number Properties

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

Bunuel

27 Oct 2021, 06:00

1

1,335

by: IanStewart

27 Oct 2021, 06:03

ER

The length and width of a rectangular box are 6 feet and 5 feet, respe

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

27 Oct 2021, 01:30

1

1,590

by: GMATWhizTeam

27 Oct 2021, 04:27

ER

If x ≠ −√3 or √3, is 3/(x^2 − 3) > 0 ? (1) 1/x^2 > 0 (2) −2/(x^2 − 2)

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

08 Jul 2020, 04:42

4

1,952