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

488,734

by: bb

29 Aug 2025, 13:27

ER

If n is an even integer less than 24, is x an odd integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

12 Apr 2016, 02:25

4

2,374

by: Pretz

08 Sep 2016, 02:56

ER

Is |xy| ≥ 1?

555-605 (Medium) | Absolute Values, Inequalities

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

Rca

18 Oct 2014, 08:33

4

2

2,865

06 Sep 2016, 04:22

ER

Is 3 < sqrt of x < 5 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

sara86

25 Dec 2015, 08:10

3

4

2,474

by: maliyeci

25 Aug 2016, 02:10

A and B are two integers. Is A-7B Even?

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

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

stonecold

03 Aug 2016, 04:57

1

3

2,241

by: stonecold

24 Aug 2016, 02:16

ER

What is the median of 15 integers?

555-605 (Medium) | Statistics and Sets Problems

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

stunn3r

25 Jun 2013, 05:30

4

12

7,399

24 Aug 2016, 00:56

ER

Is c equal to the median of the 3 positive integers a, b, c

555-605 (Medium) | Statistics and Sets Problems

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

rxs0005

14 Jan 2011, 16:25

3

8

4,700

23 Aug 2016, 04:06

ER

A certain packing box contains books between 50 to 60. How many books

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

quantman3

10 Nov 2011, 20:09

3

6

4,274

22 Aug 2016, 01:09

ER

Daniel rides to school each day on a path that takes him first to a

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

01 Jul 2016, 04:22

2

4

2,327

18 Aug 2016, 10:30

ER

If n is a positive integer, what is the value of n?

555-605 (Medium) | Multiples and Factors

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

EBITDA

31 Jul 2016, 08:23

2

9

2,823

01 Aug 2016, 00:17

ER

If X and Y are both integers different from zero, what is the value of

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

20 Jul 2016, 11:42

6

1,983

by: shravan2025

30 Jul 2016, 09:13

ER

If P and Q are both positive, what is the value of P?

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

30 Jul 2016, 03:06

2

3,505

by: shashank1tripathi

30 Jul 2016, 05:09

ER

How much water (in grams) should be added to a 35%-solution of acid to

555-605 (Medium) | Mixture Problems

555-605 (Medium) | Mixture Problems hide tags

abhi758

17 Aug 2009, 08:09

37

7

21,287

30 Jul 2016, 02:33

ER

A circle and a straight line are drawn on the same coordinate graph.

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

27 Aug 2022, 03:19

4

8

3,374

by: LogicGuru1

19 Jul 2016, 10:56

ER

If X and Y are positive integers, is X greater than Y?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

18 Jul 2016, 08:26

2

1,702

by: jasimuddin

18 Jul 2016, 21:49

ER

What is the value of a^2 - 2a + b^2?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

EBITDA

12 Jul 2016, 09:26

2

15

2,267

by: HARRY113

12 Jul 2016, 21:14

ER

Is abc = 2?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

13 Nov 2014, 09:40

6

5

4,369

by: manojach87

12 Jul 2016, 18:35

ER

Tom was born on October 28th. On what day of the week was he born?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

07 Mar 2016, 11:36

1

5

2,840

by: rhine29388

01 Jul 2016, 03:11

ER

If Tom invest $x April at a constant monthly interest rate of y percen

555-605 (Medium) | Percent and Interest Problems

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

MathRevolution

26 Jun 2016, 18:29

1

3

2,297

by: Divyadisha

29 Jun 2016, 13:55

ER

ABC and PQR are both triangles. Is the area of triangle ABC

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

nafishasan60

06 Feb 2012, 01:27

5

6

15,117

27 Jun 2016, 10:55

ER

x equals to y% of what number? (1) x = 3y (2) 6y + 2x = 56x/14

555-605 (Medium) | Percent and Interest Problems

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

craky

27 Jan 2011, 02:38

5

5,202

by: Nightfury14

24 Jun 2016, 11:44

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

3,341

20 Jun 2016, 22:41

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

9,947

19 Jun 2016, 09:33

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

3,986

14 Jun 2016, 20:52

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

1,941

09 Jun 2016, 20:45

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

2,190

by: CounterSniper

31 May 2016, 00:43

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

2,221

by: adiagr

30 May 2016, 22:21

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

10,826

by: shwetagoyal121

19 May 2016, 05:19

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

7,188

11 May 2016, 16:14

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

4,928

28 Apr 2016, 14:24

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

3,319

by: Balajikarthick1990

27 Apr 2016, 04:19

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

5,381

by: Lastlap2016

26 Apr 2016, 22:56

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

4,121

by: Icecream87

26 Apr 2016, 05:02

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

2,153

25 Apr 2016, 06:28

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

2,235

25 Apr 2016, 06:22

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

2,570

by: Balajikarthick1990

24 Apr 2016, 22:51

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

6,716

by: Abhishek009

24 Apr 2016, 03:35

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

3,149

23 Apr 2016, 13:16

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

2,798

by: y4nkee

20 Apr 2016, 23:37

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

2,397

16 Apr 2016, 02:42

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

3,223

by: sameerspice

14 Apr 2016, 19:00

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

2,810

by: CV7585

13 Apr 2016, 23:50

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

5,770

by: prashant212

08 Apr 2016, 12:47

ER

Is xy < 0 ? (1) 4|x| + 2|y| = 0 (2) 7|x| + 5|y| = 0

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

Rock750

28 Apr 2013, 15:10

3

5

3,286

24 Mar 2016, 05:33

ER

n is a positive number; z – 15 is also a positive number; is z/n less

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

16 Mar 2016, 11:33

3

1,714

by: nipunjain14

17 Mar 2016, 22:55

ER

Is rs = rx − 2 ?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Asifpirlo

21 Aug 2013, 17:51

3

4,250

by: mvictor

17 Mar 2016, 18:44

ER

What is the area of the trapezoid?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

GMATDemiGod

08 Dec 2015, 11:38

4

2,924

by: Vinayprajapati

15 Mar 2016, 22:51

ER

Does x = y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

31 Jan 2016, 08:23

2

4

2,609

by: Donnie84

03 Feb 2016, 19:52

ER

x+y)/Z>0 is x<0? (1) x<y (2) z<0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

MHIKER

14 Jun 2011, 07:43

16

3

6,793

13 Jan 2016, 08:36

ER

At the end of year X, was the number of self-employed men mo

555-605 (Medium) | Percent and Interest Problems

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

fozzzy

06 Jul 2013, 03:25

1

3

3,562

09 Jan 2016, 14:49

ER

If s and t are the roots of x^2 + bx + c = 0, then |s − t| = ?

555-605 (Medium) | Absolute Values, Algebra

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

chetan2u

31 Dec 2015, 20:30

1

3

3,140