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

488,152

by: bb

29 Aug 2025, 13:27

ER

Is a > b? 1) a/b > 1 2) b/a < 1 Source: www.GMATinsight.com

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

GMATinsight

29 Jan 2018, 07:05

5

2

1,500

22 Jan 2020, 08:32

ER

If a is a positive integer, what is the value of 75 percent of b/a ?

Sub 505 (Easy) | Multiples and Factors, Percent and Interest Problems

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

Sajjad1994

21 Jan 2020, 10:13

1

2

1,423

by: IanStewart

22 Jan 2020, 23:26

A quadrilateral ABCD is inscribed in a circle. Are the diagonals AC

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

amanvermagmat

14 Jul 2018, 11:11

3

2

3,071

24 Jan 2020, 10:27

ER

X, Y, Z are all real numbers. Is X > 15? (1) Y < 17, and X < Y. (2)

555-605 (Medium) | Inequalities, Number Properties

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

amanvermagmat

14 Jan 2019, 22:01

4

2

1,410

by: MathRevolution

24 Jan 2020, 12:10

ER

A fly crawls around the outside of a circle once. A second fly crawls

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

10 Aug 2017, 01:56

2

3,955

26 Jan 2020, 03:46

ER

The Orloff Candy Company packs its cylindrical candy treats in a recta

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

27 Jan 2020, 02:52

2

1,739

by: GMATinsight

27 Jan 2020, 07:37

ER

Is the pentagon ABCDE whose point A is on the circle a regular pentago

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

27 Jan 2020, 02:56

2

1,391

by: sujoykrdatta

27 Jan 2020, 13:00

ER

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

655-705 (Hard) | Exponents, Inequalities

655-705 (Hard) | Exponents, Inequalities hide tags

CareerGeek

15 Jan 2020, 04:20

4

2

978

by: hardikajmani

29 Jan 2020, 07:45

ER

What is the value of A? (1) A|A| = -4 (2) -3 < A < -1

505-555 (Easy) | Absolute Values, Inequalities

505-555 (Easy) | Absolute Values, Inequalities hide tags

Bunuel

29 Jan 2020, 01:48

1

2

1,639

by: BhishmaNaidu99

30 Jan 2020, 05:04

ER

Find the value of Integer x? 1) x is the factor of product of first f

655-705 (Hard) | Multiples and Factors, Number Properties

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

GMATinsight

31 Jan 2020, 06:56

1

2

1,542

31 Jan 2020, 19:08

ER

A 30-ounce pitcher is currently filled to exactly half its capacity

555-605 (Medium) | Mixture Problems +2 tags

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

Sajjad1994

27 Jan 2020, 10:43

8

2

3,205

31 Jan 2020, 20:04

ER

What is the radius of the circle shown in the picture with center O?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

13 Sep 2018, 05:13

5

2

2,093

01 Feb 2020, 11:42

ER

The average scores in two classes A and B in a particular test are 60

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

19 Jun 2018, 02:05

2

1,937

02 Feb 2020, 22:42

ER

In the figure above three lines cross as shown above, what is the valu

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

11 Sep 2018, 03:04

1

2

1,641

06 Feb 2020, 10:25

ER

Hannah was given an assignment to read 6 stories this week. She does

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

07 Feb 2020, 06:24

1

2

1,923

by: Archit3110

10 Feb 2020, 03:00

ER

What is the value of x - y ? (1) 3x - z = 42 and y - z = 5 (2) x^2

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

10 Feb 2020, 05:09

2

3,557

by: Archit3110

10 Feb 2020, 10:55

ER

If x and y are integers, is x odd?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Raxit85

11 Feb 2020, 01:20

2

2,416

by: MathRevolution

11 Feb 2020, 11:21

ER

In the figure above, if AB is parallel to DE, DC = EC, what is the per

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

17 Sep 2018, 22:03

1

2

2,743

14 Feb 2020, 02:14

ER

What is the circumference of the circle with center O?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

QuantMadeEasy

06 Feb 2020, 23:41

2

1,285

by: BhishmaNaidu99

14 Feb 2020, 03:06

ER

If x and y are positive integers and 18 is a multiple of x*y^2, what

705-805 (Hard) | Multiples and Factors, Number Properties

705-805 (Hard) | Multiples and Factors, Number Properties hide tags

Bunuel

01 Oct 2018, 04:35

5

2

3,416

15 Feb 2020, 01:14

ER

A circle with center (1, 0) and radius 2 lies in the coordinate plane

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Bunuel

17 Sep 2018, 21:52

7

2

1,985

17 Feb 2020, 00:31

ER

If p and q are positive integers, p/9 is an integer and q/8 is an inte

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

25 Apr 2016, 03:59

4

2

2,889

by: LeoN88

17 Feb 2020, 08:14

ER

For a positive integer k, Is k/200 an integer

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Raxit85

11 Feb 2020, 00:01

5

2

2,836

17 Feb 2020, 23:00

ER

What is the value of x?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

QuantMadeEasy

15 Feb 2020, 02:43

7

2

1,013

by: SaikatRoy

22 Feb 2020, 02:55

ER

Does ts/k > 0? (1) ts/(k^2) > 0 (2) k > t + s

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

25 Feb 2020, 03:35

2

1,392

by: Archit3110

25 Feb 2020, 09:40

ER

If the area of a sector in a circle is x% of the total area of the cir

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

13 Sep 2018, 05:05

2

1,923

28 Feb 2020, 03:02

ER

A circle with center (1, 0) and radius 2 lies in the coordinate plane

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Bunuel

17 Sep 2018, 22:15

3

2

1,855

03 Mar 2020, 03:15

ER

Is the positive integer p a prime number?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

GMATBusters

31 Oct 2018, 22:01

3

2

4,771

03 Mar 2020, 09:08

ER

Is a/b a terminating decimal? 1) a is a multiple of 3 2) b is a facto

555-605 (Medium) | Multiples and Factors

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

GMATinsight

03 Mar 2020, 00:47

2

1,243

by: TestPrepUnlimited

03 Mar 2020, 09:23

ER

Ian wrote an examination. What percent of the maximum marks one should

555-605 (Medium) | Fractions and Ratios

555-605 (Medium) | Fractions and Ratios hide tags

Bunuel

03 Mar 2020, 03:35

3

2

1,421

03 Mar 2020, 16:05

ER

What is the value of the non-positive integer n?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

03 Mar 2020, 03:39

1

2

1,028

03 Mar 2020, 16:09

ER

If x > 1, what is the value of integer x? (1) The product of x and an

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

contactakanksha

04 Mar 2020, 06:42

3

2

1,186

by: Bunuel

04 Mar 2020, 06:49

ER

If Farai is twice as old as Dmitry, how old is Farai?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

06 Mar 2020, 04:14

2

983

by: GMATinsight

06 Mar 2020, 04:27

ER

What is the value of 20% of x ? (1) 30 is 1/2 of x. (2) x is 0.25 of

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

06 Mar 2020, 04:13

2

1,484

by: GMATinsight

06 Mar 2020, 04:29

ER

The symbol * represents the third digit in the 5-digit number 62,N79.

505-555 (Easy) | Functions and Custom Characters

505-555 (Easy) | Functions and Custom Characters hide tags

Sajjad1994

05 Mar 2020, 08:04

3

2

1,384

by: CrackverbalGMAT

06 Mar 2020, 08:11

ER

What is the remainder when a positive integer P is divided by 6?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

12 Mar 2020, 01:38

3

2

2,641

12 Mar 2020, 02:37

If X and Y are positive integers, what is the value of 20*X - 50*Y ?

555-605 (Medium) | Inequalities, Number Properties

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

amanvermagmat

07 May 2018, 22:54

3

2

1,582

by: ArunSharma12

12 Mar 2020, 09:54

ER

In the XY-plane, the sides of a rectangle are parallel to the X and Y

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

12 Nov 2018, 00:35

5

2

1,987

15 Mar 2020, 12:57

ER

How many pairs of shoes does Eileen have?

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

01 Feb 2017, 10:45

2

3,204

17 Mar 2020, 07:31

ER

Given rp = q, what is the value of pq?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

30 May 2016, 13:40

2

2,294

by: LeoN88

17 Mar 2020, 19:21

ER

What is the value of b? (1) 5b − a = 3b + 5a (2) 4(b − a) = 12 − 4a

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

19 Mar 2020, 08:30

2

2,520

19 Mar 2020, 09:00

ER

If a and b are positive numbers, is 8a < 3b?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

19 Mar 2020, 09:26

1

2

1,368

by: yashikaaggarwal

19 Mar 2020, 09:58

ER

If f and g are positive integers, is (f + g)/f an integer?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

20 Mar 2020, 05:01

2

2,218

21 Mar 2020, 09:07

ER

If n is a positive integer, is n^(1/2)/3 an integer ?

655-705 (Hard) | Number Properties, Roots

655-705 (Hard) | Number Properties, Roots hide tags

Bunuel

20 Mar 2020, 05:05

5

2

2,349

21 Mar 2020, 09:09

ER

Positive integers A, B, C are such that C is a multiple of B & B is a

655-705 (Hard) | Multiples and Factors

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

surendrasaini1

28 Sep 2018, 10:07

2

2,176

22 Mar 2020, 09:48

ER

What is the value of x - z? (1) The arithmetic average of x and y is

505-555 (Easy) | Algebra, Statistics and Sets Problems

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

Bunuel

13 Apr 2018, 01:15

2

2,406

25 Mar 2020, 06:31

ER

Ivan operates an ice cream stand in the summertime, selling exclusivel

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

30 Oct 2019, 21:55

1

2

3,868