Data Sufficiency (DS)

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

Guides & Resources

Guides & Resources hide tags

bb

23 Aug 2026, 13:03

1.6k

1

496,538

by: bb

23 Aug 2026, 13:01

What is the value of x ? (1) x = 5 (2) x = 5 or x = 6

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

10 Sep 2019, 00:31

1

2

1,094

10 Sep 2019, 02:23

What is the value of |w| ? (1) w^2 = 16 (2) |w| = -w

555-605 (Medium) | Absolute Values, Algebra

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

Bunuel

10 Sep 2019, 00:41

1

3

1,983

10 Sep 2019, 01:47

ER

Is y a positive number? (1) 33y > 44y (2) y + 1 is positive.

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

14 Aug 2019, 01:27

4

1,402

10 Sep 2019, 01:46

ER

A fishing boat receives $1.50 for each tuna it brings back to port and

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

14 Aug 2019, 01:26

3

1,140

10 Sep 2019, 01:36

ER

What is the cube root of z? (1) The 5th root of z is 243. (2) The 25

Sub 505 (Easy) | Roots

Sub 505 (Easy) | Roots hide tags

Bunuel

14 Aug 2019, 01:22

5

3,636

10 Sep 2019, 01:23

ER

If m is an integer, is m - 1 even? (1) m + 3 is an even integer.

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

14 Aug 2019, 01:19

3

3,431

10 Sep 2019, 00:55

ER

For which type of investment, A or B, is the annual rate of return gre

Sub 505 (Easy) | Percent and Interest Problems

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

Bunuel

14 Aug 2019, 01:08

1

3

1,896

10 Sep 2019, 00:52

ER

What percent of a group of numbers are integers greater than 70?

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

14 Aug 2019, 00:52

5

3

2,149

10 Sep 2019, 00:45

ER

At a given school, the number of students enrolled in neither an

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

souvonik2k

03 Apr 2018, 11:49

3

2,099

10 Sep 2019, 00:36

ER

A researcher collected n readings from a scientific experiment. Is the

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

06 Sep 2019, 10:55

3

2

1,108

09 Sep 2019, 03:10

Is a > b ? (1) The arithmetic mean of a and b is 25. (2) The geometric

555-605 (Medium) | Statistics and Sets Problems

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

Sajjad1994

06 Sep 2019, 07:33

1

1,652

by: firas92

09 Sep 2019, 00:48

In triangle PQR, if PQ = x, QR = x + 3, and PR = y, which one of the

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

06 Sep 2019, 10:55

1

1,420

by: firas92

09 Sep 2019, 00:43

ER

If y = –x, then is y > –1 ? (1) x^4 > x^2 (2) x^3 < x^2

605-655 (Medium) | Exponents, Number Properties

605-655 (Medium) | Exponents, Number Properties hide tags

Sajjad1994

06 Sep 2019, 06:29

1

1,477

by: ccooley

08 Sep 2019, 12:31

ER

What is the value of x + y^2 ? (1) x + y = 7 (2) x^2 + y^2 = 25

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Sajjad1994

06 Sep 2019, 07:24

1

2

1,583

by: ccooley

08 Sep 2019, 12:20

ER

What number is 25 percent of x ? (1) 50 percent of x is 50. (2) 9/100

Sub 505 (Easy) | Percent and Interest Problems

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

Sajjad1994

06 Sep 2019, 06:47

1

2

1,770

by: ccooley

08 Sep 2019, 12:14

Is x^3 – 6x2 + 11x – 6 > 0? (1) 2 < x < 3 (2) 1 ≤ x < 2

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

12 Jul 2019, 02:25

4

6

1,719

by: stne

08 Sep 2019, 04:37

ER

If q > 1, what is the value of integer q?

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

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

Bunuel

25 Dec 2016, 02:35

20

12

3,642

07 Sep 2019, 09:42

Which one of the expressions x^2y and x^2/y is greater? (1) y > x (2)

655-705 (Hard) | Algebra, Inequalities

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

Sajjad1994

05 Sep 2019, 06:17

1

3

1,800

by: Sajjad1994

07 Sep 2019, 08:19

What is the value of (x + 3y - 10z)/(a + 3b - 10c) ?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

06 Sep 2019, 10:51

4

1

1,323

07 Sep 2019, 02:10

ER

Is m^2n + mn^2 = 0 ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

14 Jul 2015, 00:55

23

18

5,116

07 Sep 2019, 01:56

Is (a - b) + (c - b)/d > 0 ? (1) a + c < 2b (2) d < 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

06 Sep 2019, 10:56

3

1

1,656

07 Sep 2019, 00:01

Is (x – 2)(x – 3) > 0 ? (1) x < 2 (2) x < 3

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

06 Sep 2019, 10:56

2

1

790

06 Sep 2019, 23:44

If x^2 – y^2 = 15, is x + y > x – y ? (1) x – y = 5 (2) x + y = 3

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

06 Sep 2019, 10:56

2

1,284

by: Kinshook

06 Sep 2019, 19:35

In the figure, is the quadrilateral ABCD a square? (1) x = y = z = p

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

06 Sep 2019, 10:55

1

1,000

06 Sep 2019, 12:33

What is the average score of the test takers on a test? (1) Exactly ha

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

06 Sep 2019, 10:56

1

1,570

06 Sep 2019, 11:50

Is x > y ? (1) x = y + 1 (2) x + y = 1

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

06 Sep 2019, 10:56

1

834

06 Sep 2019, 11:42

What is the area of the equilateral triangle shown in the figure?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

06 Sep 2019, 10:56

1

955

06 Sep 2019, 11:35

If the value of (x – y)(x + y) is 15, then what is the value of x/y ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

06 Sep 2019, 10:56

1

1,327

06 Sep 2019, 11:27

What is the value of ab + bc ? (1) b = a + c (2) b = 3

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

06 Sep 2019, 10:57

1

1,461

06 Sep 2019, 11:23

In figure, ABC is a triangle. What is the length of side AB ?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

06 Sep 2019, 10:57

1

1,594

06 Sep 2019, 11:17

Is x = y ? (1) (x + y)(1/x + 1/y) = 4 (2) x – 100 = y – 100

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

06 Sep 2019, 10:55

1

1,384

06 Sep 2019, 11:11

Is the product of two numbers x and y a prime number?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

06 Sep 2019, 11:00

1

1,417

by: charlie23

06 Sep 2019, 11:11

Is x greater than y ? (1) x = 2y (2) y = 2k

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Sajjad1994

06 Sep 2019, 06:26

1

1,369

by: Bombsante

06 Sep 2019, 10:07

ER

On each lab that René completed he received either 100 points or 85 po

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

14 Apr 2015, 04:49

9

11

5,652

06 Sep 2019, 04:24

ER

If a and b are integers and |b| < a, is (a^2 + b^2)^(1/2) =

805+ (Hard) | Absolute Values +2 tags

805+ (Hard) | Absolute Values, Algebra, Number Properties hide tags

freedom128

09 Sep 2019, 04:07

8

6

2,278

by: Prasannathawait

05 Sep 2019, 05:04

If b does not equal 0, what is the value of 4a/(3b)?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

04 Sep 2019, 23:14

3

8

2,768

by: exc4libur

05 Sep 2019, 03:59

ER

What is the volume of the solid if e

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

EncounterGMAT

04 Sep 2019, 22:39

2

3

1,687

05 Sep 2019, 01:28

What is the value of x? (1) 5x - 3 = 7 (2) x/10 = 1/5

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

GMATBusters

04 Dec 2018, 07:10

5

4,377

by: TheNightKing

04 Sep 2019, 17:06

ER

If a, b, and c are consecutive 2-digit positive integers in that order

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

MathRevolution

09 Aug 2018, 01:30

8

6

1,920

04 Sep 2019, 11:58

ER

Is the positive Integer x a perfect square? 1) Sum of all factors of

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

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

GMATinsight

19 Jan 2018, 07:30

6

3,626

by: CrackverbalGMAT

03 Sep 2019, 23:22

ER

How long does it take to drive from the factory to the warehouse?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

02 Sep 2019, 23:19

5

10

2,433

03 Sep 2019, 22:38

ER

What is the value of x^3 + y^3?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

vikasp99

21 Feb 2017, 19:58

4

3

5,061

03 Sep 2019, 09:48

ER

Is ABCD a rectangle? (1) ∠ADC = 90° (2) AD = BC

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

02 Aug 2018, 01:33

5

4

4,609

03 Sep 2019, 06:32

For a charity, each of m people pledged to run 25 kilometers in a fund

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Sajjad1994

29 Aug 2019, 06:28

3

2

1,230

by: Sajjad1994

03 Sep 2019, 05:39

ER

Mr Tolstoy bought 100 CDs at $x and sold them at $y. Did Mr

555-605 (Medium) | Percent and Interest Problems

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

udaymathapati

31 Oct 2010, 06:19

2

6

4,121

03 Sep 2019, 03:35

ER

What is the equation of the line L?

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

vaibhav1221

02 Sep 2019, 00:14

4

12

2,859

by: vanam52923

02 Sep 2019, 23:10

ER

Is the probability of choosing a student in class X who has scored

655-705 (Hard) | Fractions and Ratios, Probability

655-705 (Hard) | Fractions and Ratios, Probability hide tags

chetan2u

27 Nov 2017, 09:12

6

2,987

by: prakhar992

02 Sep 2019, 10:18

What is 20 percent of x? (1) Sixty percent of 50/x is less than 2x.

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Sajjad1994

29 Aug 2019, 01:17

2

6,692