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

488,123

by: bb

29 Aug 2025, 13:27

Is 1 < a < 0 ? (1) a^3 > a (2) a^2 > a^3

705-805 (Hard) | Exponents, Inequalities

705-805 (Hard) | Exponents, Inequalities hide tags

QuantMadeEasy

09 Jul 2024, 00:18

2

4

1,698

by: QuantMadeEasy

19 Feb 2020, 20:21

ER

Is the average (arithmetic mean) of x, y and z equal to 16?

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

19 Feb 2020, 02:23

6

7

4,345

by: vthatha

19 Feb 2020, 16:10

ER

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

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

sang5650

31 Mar 2010, 15:34

3

7

5,020

19 Feb 2020, 07:17

ER

David has 26 coins in a jar, and all the coins are dimes and nickels.

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

18 Feb 2020, 02:16

10

9

3,702

19 Feb 2020, 00:04

ER

X and Y are positive numbers. Is the hundredth digit of XY greater tha

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

17 Feb 2020, 05:04

1

1,275

by: CareerGeek

18 Feb 2020, 23:28

ER

If x > y > 0, then what is the value of (x^2 + 2xy + y^2)/(x^2 - y^2)?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

17 Feb 2020, 05:07

1

3,182

18 Feb 2020, 23:01

ER

Is x = 3 ? (1) |x| - 3 = 0 (2) x = √9

555-605 (Medium) | Absolute Values, Algebra

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

Raxit85

10 Feb 2020, 23:57

7

1

1,222

by: BhishmaNaidu99

18 Feb 2020, 22:55

ER

If xy ≠ 0, is 1/x +1/y = 16?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

blingbling

23 Nov 2014, 05:41

4

7,112

18 Feb 2020, 22:20

ER

Is a^4+b^4 less than 32?

805+ (Hard) | Algebra +2 tags

805+ (Hard) | Algebra, Inequalities, Min-Max Problems hide tags

diota2004

08 Dec 2017, 21:42

52

7

4,048

18 Feb 2020, 05:38

ER

What is the value of k - n ? (1) k^2 - n^2 = 0 (2) k = 11

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

18 Feb 2020, 03:43

4

3

2,514

by: shameekv1989

18 Feb 2020, 05:34

ER

Is z an even integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

chetan2u

30 Apr 2017, 03:37

6

8

2,915

17 Feb 2020, 23:52

ER

If z is an integer, is z even? (1) (z + 7)/3 = 2m + 1, where m is an

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

17 Feb 2020, 02:01

11

3,579

by: vthatha

17 Feb 2020, 23:12

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

Is a^2 - 2ab > 0 where a and b are non zero integers?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

17 Feb 2020, 05:15

1

838

17 Feb 2020, 08:42

ER

If a and b are positive integers, and x = 2*3*7*a, and y = 2*2*8*b the

655-705 (Hard) | Algebra, Number Properties

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

Bunuel

17 Feb 2020, 05:17

4

3

8,621

17 Feb 2020, 08:38

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

Is x < y ? (1) a < x < b (2) a < b < y

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

17 Feb 2020, 05:21

1

1,474

17 Feb 2020, 06:26

ER

Is 10 − ax = bx ? (1) a and b are prime numbers. (2) x is an integer.

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

17 Feb 2020, 05:00

1

1,138

17 Feb 2020, 05:54

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

1,983

17 Feb 2020, 00:31

ER

In a survey report, each surveyed man was assigned a gender code of

555-605 (Medium) | Statistics and Sets Problems

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

Raxit85

10 Feb 2020, 23:03

3

2,295

by: newyork2012

16 Feb 2020, 17:24

ER

Every member of Meg’s immediate family agrees to share equally the cos

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

14 Feb 2020, 01:55

8

10

2,226

16 Feb 2020, 14:26

ER

If m is an integer, is 2^m greater than 5^m?

655-705 (Hard) | Exponents, Inequalities

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

QuantMadeEasy

14 Feb 2020, 21:36

4

3

1,112

by: Bunuel

16 Feb 2020, 09:56

ER

If y is an integer, and y

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

GMATBusters

15 Feb 2020, 19:35

3

10

2,978

by: bM22

16 Feb 2020, 07:12

ER

Is abc < 0?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

GMATBusters

15 Feb 2020, 19:32

3

11

2,241

by: bM22

16 Feb 2020, 07:04

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

3,415

15 Feb 2020, 01:14

ER

What is the value of (2x - 5)^3 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

10 Feb 2020, 05:22

2

3

4,623

by: Bunuel

14 Feb 2020, 06:11

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

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

2,740

14 Feb 2020, 02:14

ER

Does x – y = 0 ? (1) x/y > 0 (2) x^2 = y^2

605-655 (Medium) | Algebra, Inequalities

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

Bunuel

11 Jul 2019, 01:34

7

5

2,282

by: RawJoker

14 Feb 2020, 01:02

ER

Is Circle J centered on the origin? (1) Point (x, 0) is on Circle J.

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

13 Feb 2020, 01:36

5

8

2,635

by: madgmat2019

13 Feb 2020, 23:56

ER

What is the value of 10y + 17z ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

07 Feb 2020, 06:13

1

4

2,513

by: CrackverbalGMAT

12 Feb 2020, 01:57

ER

If m and n are positive integers, is m/n an integer?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

QuantMadeEasy

12 Feb 2020, 01:37

1

1,285

by: chetan2u

12 Feb 2020, 00:52

In the figure above, what is the value of c?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

QuantMadeEasy

11 Feb 2020, 22:00

1

944

by: rajatchopra1994

11 Feb 2020, 22:37

Is the sum of a pair of integers (a, b) odd?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Raxit85

10 Feb 2020, 23:09

1

989

by: georgioskonst

11 Feb 2020, 17:19

ER

Is x > 9? (1) x^2 + 3x = 28 (2) 9x = 5x − 28

505-555 (Easy) | Algebra, Inequalities

505-555 (Easy) | Algebra, Inequalities hide tags

Bunuel

27 Feb 2018, 21:16

2

4

3,876

11 Feb 2020, 13:08

ER

What is the value of |x|? (1) The average (arithmetic mean) of x^2 and

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

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

Bunuel

26 Dec 2017, 00:12

6

3

2,138

11 Feb 2020, 13:04

What is the value of 5^x?

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

Raxit85

11 Feb 2020, 01:11

2

3

1,098

by: shameekv1989

11 Feb 2020, 12:25

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

If a,b and c are positive integers where a is greater than b and c=(a)

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

gmatyodha

07 Feb 2020, 01:38

20

3

1,649

by: MathRevolution

11 Feb 2020, 11:12

ER

If a, b and c are distinct positive integers, what is the value of (a

805+ (Hard) | Exponents

805+ (Hard) | Exponents hide tags

Bunuel

06 Aug 2017, 00:57

16

9

4,230

by: ScottTargetTestPrep

10 Feb 2020, 17:55

ER

Is a greater than b ? b2 > a3 |b| > |a|

655-705 (Hard) | Absolute Values, Inequalities

655-705 (Hard) | Absolute Values, Inequalities hide tags

CAMANISHPARMAR

10 Feb 2020, 01:52

2

1

3,139

10 Feb 2020, 14:19

ER

Nurse Joe recorded the weights of each of the five babies born yesterd

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

10 Feb 2020, 05:05

1

1,239

10 Feb 2020, 14:09

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

3,555

by: Archit3110

10 Feb 2020, 10:55

ER

Is x^2 greater than x ? (1) x^2 is greater than 2x (2) 2x^2 is greater

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

10 Feb 2020, 05:00

5

1

3,069

10 Feb 2020, 05:22

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

1,922

by: Archit3110

10 Feb 2020, 03:00

ER

The number of hardcover books at bookstore X is 67.5% of all the books

555-605 (Medium) | Percent and Interest Problems, Word Problems

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

Bunuel

07 Feb 2020, 02:54

9

2,630

by: madgmat2019

09 Feb 2020, 22:20

ER

At least 10 cars have tinting window and fog light. 40% cars which hav

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

MathRevolution

14 Jun 2016, 09:06

9

4

3,117