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

490,918

by: bb

29 Aug 2025, 13:27

ER

Is the positive integer x divisible by 6?

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Bunuel

31 Mar 2016, 00:59

1

4,753

by: TeamGMATIFY

31 Mar 2016, 04:58

ER

A recipe calls for 2/3 cup of butter to make a batch of cook

555-605 (Medium) | Fractions and Ratios

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

aja1991

12 Mar 2014, 02:56

5

2

5,784

by: prashant212

08 Apr 2016, 12:47

ER

What is the area of equilateral triangle ABC?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

23 Jan 2015, 07:37

7

11

5,289

12 Apr 2016, 14:59

ER

If x is a nonzero integer less than 36, is 36/x even?

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

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

Bunuel

11 Apr 2016, 04:10

1

3

2,822

by: CV7585

13 Apr 2016, 23:50

ER

If x and y are integers, is xy greater than 0? 1) x2 is greater than

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

13 Apr 2016, 05:29

1

5

3,238

by: sameerspice

14 Apr 2016, 19:00

ER

Is positive integer z an odd integer?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

13 Apr 2016, 06:09

4

2,477

by: stonecold

15 Apr 2016, 05:07

ER

If x is an integer, is 3x odd?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

12 Apr 2016, 02:24

1

5

2,421

16 Apr 2016, 02:42

ER

Line p lies on a coordinate plane. What is the area of the region boun

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

Bunuel

26 Jan 2015, 05:38

14

6

6,044

19 Apr 2016, 15:43

ER

If s=t^2, where t is a positive integer, what is the value of s?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

19 Apr 2016, 03:06

2

2,819

by: y4nkee

20 Apr 2016, 23:37

ER

What is the units digit of the product of the two positive integers x

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

18 Apr 2016, 08:20

1

3

2,207

by: y4nkee

20 Apr 2016, 23:45

ER

If XY, PQ, and RS represent unique two-digit integers, what is the uni

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

20 Apr 2016, 00:59

4

2,480

by: y4nkee

21 Apr 2016, 00:12

ER

If rs ≠ 0, is 1/r + 1/s =

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

gmatpapa

24 Jan 2011, 04:40

2

3

3,169

23 Apr 2016, 13:16

ER

If |r| > |s|, is r > s?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

sairam595

24 Apr 2016, 03:06

28

2

6,742

by: Abhishek009

24 Apr 2016, 03:35

ER

If z is a positive integer, is z divisible by 480?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

24 Apr 2016, 11:55

2

2,585

by: Balajikarthick1990

24 Apr 2016, 22:51

ER

What is the average of numbers a and b?

555-605 (Medium) | Statistics and Sets Problems

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

AVINASH77

21 Apr 2016, 13:09

5

3

2,245

25 Apr 2016, 06:22

ER

If a and b are integers and ab ≠ 0, what is the units digit of ab?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

21 Apr 2016, 00:44

5

2,167

25 Apr 2016, 06:28

ER

What is the units digit of 3^n?

555-605 (Medium) | Exponents, Number Properties

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

Bunuel

22 Apr 2016, 04:41

2

4,153

by: Icecream87

26 Apr 2016, 05:02

ER

If S is a set of consecutive integers, what is the sum of th

Sub 505 (Easy) | Statistics and Sets Problems

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

jlgdr

20 Sep 2013, 17:09

3

5,444

by: lalania1

26 Apr 2016, 19:35

ER

892,132,24x If x represents the units digit of the number a

555-605 (Medium) | Multiples and Factors

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

atalpanditgmat

14 Jun 2013, 11:39

4

5,405

by: Lastlap2016

26 Apr 2016, 22:56

ER

If n and q are positive integers, what is the units digit of q?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

21 Apr 2016, 00:32

2

5

3,331

by: Balajikarthick1990

27 Apr 2016, 04:19

ER

Stations M and N are connected by two separate, straight and parallel

555-605 (Medium) | Work and Rate Problems

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

geometric

28 Apr 2016, 13:59

4

1

4,956

28 Apr 2016, 14:24

ER

In the x-y plane, did y=ax2+bx+c intersect with x-axis?

605-655 (Medium) | Functions and Custom Characters

605-655 (Medium) | Functions and Custom Characters hide tags

MathRevolution

02 May 2016, 23:16

10

2

3,415

04 May 2016, 21:53

ER

Is the number of seconds required to travel d1 feet at r1

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

kajolnb

20 Jul 2011, 09:45

24

5

7,209

11 May 2016, 16:14

ER

Is x < y?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Lolaergasheva

16 May 2016, 19:34

5

3,040

by: pvikas

16 May 2016, 19:28

ER

If x + 3y − 3 = 0, what is the value of x?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

14 Feb 2016, 03:03

3

3,409

17 May 2016, 15:01

ER

If x and y are both positive integers, how much greater is x than y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

19 May 2016, 03:26

2

10,845

by: shwetagoyal121

19 May 2016, 05:19

ER

If the points A, B, and C are distinct, are line segments AB and AC th

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

12 Nov 2014, 10:03

4

6

7,372

19 May 2016, 13:05

ER

Triangle T has vertices of (-2,6), (6,2) and (0,k) where k

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

alphabeta1234

12 Jul 2012, 17:29

14

10

6,096

by: prabhakar09

19 May 2016, 19:12

ER

What is the length of the diagonal of rectangle ABCD?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

20 May 2016, 00:19

1

3

6,926

by: Alex75PAris

20 May 2016, 14:02

ER

# is one operation of addition, subtraction, multiplication, or divisi

Sub 505 (Easy) | Functions and Custom Characters

Sub 505 (Easy) | Functions and Custom Characters hide tags

MathRevolution

17 May 2016, 16:17

2

2,241

by: Abhishek009

22 May 2016, 02:06

ER

Is the standard deviation of the set (10-4x)

Poor Quality

Poor Quality hide tags

earnit

06 May 2015, 14:10

10

5

8,075

by: Kurtosis

24 May 2016, 13:36

ER

Is y^2>y*|y|?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

chetan2u

24 May 2016, 09:34

2

4

1,970

25 May 2016, 03:55

ER

Is the number y between 0.3 and 0.6 ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

avohden

24 Oct 2013, 17:24

1

4

5,670

by: chetan2u

27 May 2016, 05:56

ER

In an isosceles triangle PQR, how many degrees is ∠ P

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

27 May 2016, 09:09

1

3

2,952

by: Megan07

29 May 2016, 08:18

ER

Does s = 5 - t ? (1) t = 17 - 4s (2) s = 8 - 4t

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

30 May 2016, 13:51

2

2,237

by: adiagr

30 May 2016, 22:21

ER

Is r not equal to s?

555-605 (Medium) | Inequalities, Number Properties

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

Bunuel

30 May 2016, 13:55

3

2,205

by: CounterSniper

31 May 2016, 00:43

ER

2 circles have the same center and the smaller circle’s radius r is 5.

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

MathRevolution

29 May 2016, 20:54

3

4,661

01 Jun 2016, 06:38

ER

In a party, 70% of the people like at least one of two type of drinks:

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jyotibrata

26 Dec 2015, 03:48

7

5

2,659

05 Jun 2016, 03:18

ER

What is the measurement of A + B of a triangle shown as above figure?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

MathRevolution

01 Jun 2016, 06:44

1

2,302

05 Jun 2016, 05:48

ER

James and Andrea take a trip in Andrea's car.

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Poor Quality hide tags

Gnpth

14 Jul 2014, 09:55

7

5

6,935

by: Kurtosis

06 Jun 2016, 04:44

ER

If m is a positive integer less than 200, what is the greatest prime f

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MathRevolution

06 Jun 2016, 21:49

1

6

1,818

by: Daanu

08 Jun 2016, 11:58

ER

What is the value of x + y? (1) Line A || Line C (2) Line B || Line D

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

MathRevolution

07 Jun 2016, 19:03

2

4

1,959

09 Jun 2016, 20:45

ER

If x > 0, is y < 0?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

AbdurRakib

10 Jun 2016, 12:18

1

2

2,251

by: hsbinfy

11 Jun 2016, 00:57

ER

Is the sum of 6 integers odd?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

LM

19 Sep 2017, 09:21

4

3

4,005

14 Jun 2016, 20:52

ER

How many integers n are there such than v < n < w ?

555-605 (Medium) | Arithmetic, Number Properties

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

BN1989

14 Jun 2019, 03:47

42

5

9,981

19 Jun 2016, 09:33

ER

If x > 1, what is the value of x?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

melguy

02 Jun 2011, 18:35

5

6

3,624

19 Jun 2016, 09:47

ER

If P is an integer, is

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VenoMfTw

20 Jun 2016, 04:05

3

1,522

by: chetan2u

20 Jun 2016, 07:41

ER

Is B an integer? (1) B^3 is an integer

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

rxs0005

04 Feb 2012, 18:35

7

2

3,364