Data Sufficiency (DS)

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

Guides & Resources

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bb

23 Aug 2026, 13:03

1.6k

1

496,431

by: bb

23 Aug 2026, 13:01

If x and z are positive integers and xz = 24 what is the ratio of x to

555-605 (Medium) | Exponents, Number Properties

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

Bunuel

07 Jan 2018, 23:10

1

1,387

08 Jan 2018, 01:46

If the average (arithmetic mean) of x and y is positive, is x > 0?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

08 Jan 2018, 01:08

1

1,413

by: Sasindran

08 Jan 2018, 01:24

ER

If xy/5 is an integer, is x divisible by 5?

555-605 (Medium) | Multiples and Factors

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

Bunuel

25 Dec 2016, 02:39

3

5

2,705

by: MathRevolution

07 Jan 2018, 13:54

ER

What is the ratio of 30 gigabyte digital music players sold to 40 giga

555-605 (Medium) | Fractions and Ratios

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

Bunuel

01 Jan 2018, 10:40

1

1,617

07 Jan 2018, 09:35

ER

If the average (arithmetic mean) of x and y is positive, is x positive

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

05 Jan 2018, 01:11

1

1,117

by: GMATBusters

05 Jan 2018, 08:38

ER

If x and y are different prime numbers, is x = 5?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

01 Jan 2018, 10:46

5

1,794

by: MathRevolution

04 Jan 2018, 23:31

If j is an integer, is k an integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

03 Jan 2018, 21:15

1

2

1,374

04 Jan 2018, 01:51

Is it true that x > y? (1) The average (arithmetic mean) of x and 10

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

01 Jan 2018, 10:41

2

4

1,518

by: cksidharthan

03 Jan 2018, 20:32

Over the past year, did the number of male students in the school incr

555-605 (Medium) | Fractions and Ratios

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

Bunuel

03 Jan 2018, 08:31

3

1,567

03 Jan 2018, 10:50

If x and z are positive integers and xz = 24 what is the ratio of x to

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

02 Jan 2018, 23:56

2

1,285

by: AkshdeepS

03 Jan 2018, 02:34

If j is positive number, is k a positive number?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

02 Jan 2018, 01:37

1

2

2,131

03 Jan 2018, 00:45

The ratio of two quantities of boxes, a and b, is 4 to 5. If each of

555-605 (Medium) | Fractions and Ratios

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

Bunuel

01 Jan 2018, 10:47

2

1,599

by: r24350

01 Jan 2018, 23:45

Is the integer z odd? (1) z is positive. (2) The average (arithmetic

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

01 Jan 2018, 10:45

1

1,615

01 Jan 2018, 10:54

If x + y = z where x, y and z are positive integers, what is the ratio

555-605 (Medium) | Fractions and Ratios

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

Bunuel

01 Jan 2018, 01:33

1

1,560

01 Jan 2018, 04:57

If the average (arithmetic mean) of 6 numbers is 30, what is the avera

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

01 Jan 2018, 01:34

1

1,929

01 Jan 2018, 02:39

ER

Is x/3 < x?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

BillyZ

21 Mar 2017, 20:02

2

6

4,528

31 Dec 2017, 14:43

What is the value of the integer t ? (1) Each of the integers 2, 3, an

555-605 (Medium) | Multiples and Factors

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

Bunuel

31 Dec 2017, 12:24

1

1,416

by: Piyush0489

31 Dec 2017, 13:38

ER

If a is a positive integer and y = 3.2 x 10^a, what is the value of y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

AkshdeepS

29 Dec 2017, 10:17

1

3

1,571

29 Dec 2017, 10:39

What is the ratio of a to b? (1) a – b +2c = 1 (2) 3a – 8b – 2c = –1

505-555 (Easy) | Fractions and Ratios

505-555 (Easy) | Fractions and Ratios hide tags

Bunuel

28 Dec 2017, 21:34

1

2,231

29 Dec 2017, 04:39

If q is an integer, is q odd? (1) q/3 is an integer. (2) 3q is an int

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

28 Dec 2017, 21:56

1

3,021

29 Dec 2017, 03:44

If m + p = 26, what is the value of mp ? (1) The ratio of m : p is 6 :

505-555 (Easy) | Fractions and Ratios

505-555 (Easy) | Fractions and Ratios hide tags

Bunuel

28 Dec 2017, 21:57

1

1,606

29 Dec 2017, 03:41

If r and s are nonzero integers, is r/s an integer ?

555-605 (Medium) | Algebra, Number Properties

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

Bunuel

05 Sep 2017, 04:52

3

2

1,811

by: QuantMadeEasy

28 Dec 2017, 21:36

ER

If r and s are consecutive even integers, is r greater than s ?

655-705 (Hard) | Inequalities, Number Properties

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

Bunuel

17 Dec 2017, 01:35

3

8

3,420

28 Dec 2017, 07:28

ER

If a + b = 20, then what is the value of c − d?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

13 Dec 2015, 05:57

6

8

5,305

28 Dec 2017, 06:11

ER

If x and y are different positive integers, what is the value of x? (

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

25 Mar 2015, 04:03

2

3

2,977

28 Dec 2017, 05:56

If the average (arithmetic mean) of five positive numbers is 30, how

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

28 Dec 2017, 00:28

1

2,017

28 Dec 2017, 04:26

A carton contains 30 pens, of which 20 are blue ink pens and 10 are

505-555 (Easy) | Fractions and Ratios

505-555 (Easy) | Fractions and Ratios hide tags

Bunuel

27 Dec 2017, 01:15

3

2,064

27 Dec 2017, 18:30

Is the average (arithmetic mean) of a and b greater than 30?

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

27 Dec 2017, 03:28

1

2

1,847

27 Dec 2017, 07:26

If V = 10x/(3y) and y ≠ 0, what is the value of V ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

20 Dec 2017, 06:28

3

2

1,865

by: dineshril

26 Dec 2017, 08:40

Is the average (arithmetic mean) of positive integers n and p greater

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

25 Dec 2017, 01:22

1

1,326

25 Dec 2017, 17:45

In triangle JKM, if JK = x, KM = y, and JM = z, which of the three ang

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

25 Dec 2017, 05:35

1

2

1,713

25 Dec 2017, 15:57

ER

If k is an integer, what is the value of k?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

24 Mar 2015, 04:44

5

10

4,941

25 Dec 2017, 09:28

What is the length of diagonal d in the rectangle above?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

24 Dec 2017, 01:26

2

1,748

24 Dec 2017, 10:16

For a certain set of n numbers, where n > 2, is the average (arithmeti

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

24 Dec 2017, 01:23

1

1,635

24 Dec 2017, 05:08

ER

How many computers did Michael, a salesman for the computer

605-655 (Medium) | Percent and Interest Problems

605-655 (Medium) | Percent and Interest Problems hide tags

nelz007

01 Nov 2012, 02:12

4

2

5,880

by: chetan2u

23 Dec 2017, 09:03

ER

What is the value of (n + 1)^2?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

01 Jun 2016, 04:30

4

7,231

21 Dec 2017, 19:13

ER

Machines X and Y run simultaneously at their respective

Sub 505 (Easy) | Work and Rate Problems

Sub 505 (Easy) | Work and Rate Problems hide tags

enigma123

15 Mar 2012, 03:37

8

5

10,002

by: rcaraujo20

21 Dec 2017, 17:00

ER

if | r | != 1 is integer r even 1 r is not positive 2 2r

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

rxs0005

16 Apr 2014, 01:13

6

11

4,365

21 Dec 2017, 14:06

ER

Is x/p(p^2 + q^2 + r^2) = xp + yq + zr ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

20 Dec 2017, 06:18

2

2,008

21 Dec 2017, 11:34

ER

If a and b are positive integers, is the ratio of a to b equal to 2:1?

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

21 Dec 2017, 04:20

3

1,395

21 Dec 2017, 10:41

ER

Can a circle be drawn so that its circumference includes all four vert

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Sajjad1994

21 Dec 2017, 03:33

2

1,678

21 Dec 2017, 10:31

Is x divisible by 9?

555-605 (Medium) | Multiples and Factors, Remainders

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

Bunuel

07 Feb 2016, 10:49

1

3

4,065

18 Dec 2017, 22:57

ER

Is m+10 positive?

Poor Quality

Poor Quality hide tags

sandysilva

18 Dec 2017, 02:58

7

1,878

by: sandysilva

18 Dec 2017, 07:58

Is xy <= 6 ? (1) 1 <= x <= 2 and 4 <= y <= 6 (2) x + y = 7

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

16 Dec 2017, 01:46

3

6

2,762

18 Dec 2017, 03:06

ER

What is the ratio of area of triangle BOC to area of triangle AOC ,

555-605 (Medium) | Coordinate Plane, Geometry

555-605 (Medium) | Coordinate Plane, Geometry hide tags

chetan2u

17 Dec 2017, 05:17

3

3,073

17 Dec 2017, 22:04

ER

In the figure above, what is the value of x + y?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Sajjad1994

17 Dec 2017, 01:23

4

2,519

17 Dec 2017, 09:12

ER

CMAT scores are calculated as per the following rule 1) Raw score is c

505-555 (Easy) | Fractions and Ratios +2 tags

505-555 (Easy) | Fractions and Ratios, Number Properties, Word Problems hide tags

GMATinsight

17 Dec 2017, 06:50

3

2,526

by: roykabir772

17 Dec 2017, 07:48

ER

If x ≠ 0, what is the value of (x^p/x^q)^3 ? (1) p - q = 1 (2) x = 4

505-555 (Easy) | Exponents

505-555 (Easy) | Exponents hide tags

Bunuel

16 Dec 2017, 01:51

2

2,729

16 Dec 2017, 09:18

ER

If x, y, and z are three integers, are they consecutive integers?

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

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

Bunuel

10 Dec 2017, 00:51

2

6

2,301

by: dineshril

14 Dec 2017, 11:26

ER

If n is an integer and n^3 is between 1 and 100, inclusive, what is

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

meshell

10 Aug 2011, 13:56

3

14

5,594