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

488,319

by: bb

29 Aug 2025, 13:27

ER

If x is a positive integer, is x^2 divisible by 24?

505-555 (Easy) | Multiples and Factors

505-555 (Easy) | Multiples and Factors hide tags

QuantMadeEasy

06 Sep 2020, 09:52

2

3

1,569

10 Sep 2020, 17:06

ER

If 5w + 3v = 13, what is the value of vw ? (1) w > 0 (2) w/v = 2

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

13 Sep 2020, 03:00

2

3

3,023

13 Sep 2020, 03:42

ER

If m and n are positive integers, is m greater than n ?

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

15 Sep 2020, 04:30

3

4

3,694

by: Akp880

15 Sep 2020, 06:12

ER

In the xy – plane, what is the slope of line perpendicular

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

MichelleSavina

23 Jan 2011, 11:38

14

6

15,933

16 Sep 2020, 19:43

ER

If a + b + c = 50, what is the value of a ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

22 Feb 2018, 21:08

3

8

3,066

by: MathRevolution

18 Sep 2020, 05:59

ER

A box contains red, blue, yellow and orange balls in the ratio of 7:4:

555-605 (Medium) | Fractions and Ratios

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

Russ19

20 Sep 2020, 05:32

3

3,353

21 Sep 2020, 07:45

ER

Is x=1?

705-805 (Hard) | Fractions and Ratios

705-805 (Hard) | Fractions and Ratios hide tags

bagdbmba

18 Jun 2013, 09:16

48

3

5,147

22 Sep 2020, 01:01

ER

If k is a positive integer, is k an integer?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

gmatser1

23 Jun 2015, 01:01

11

7

3,468

22 Sep 2020, 09:40

ER

What is the remainder when a positive integer w is divided by 2?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

25 Oct 2016, 23:37

1

5

2,606

by: GMATinsight

02 Oct 2020, 00:20

ER

What is the charge per hour of the 1st year associate at a law firm?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

02 Oct 2020, 01:30

1

2

990

04 Oct 2020, 13:51

ER

Is uv > 0? (1) u^2v^3 < 0 (2) uv^2 < 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

05 Oct 2020, 02:45

2

4

2,962

by: MathRevolution

06 Oct 2020, 11:06

ER

x is a positive integer such as 0<x<22. Is x a perfect squar

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

SaidNassar1991

05 Oct 2020, 13:41

6

5

1,637

06 Oct 2020, 17:02

ER

Let u, v, and w denote the lengths of three separate line segments. In

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Bunuel

08 Oct 2020, 00:15

16

4

2,090

08 Oct 2020, 05:24

ER

If △ represents either ordinary division or ordinary multiplication

Sub 505 (Easy) | Arithmetic, Functions and Custom Characters

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

Bunuel

08 Oct 2020, 00:15

9

4

3,524

by: Akp880

08 Oct 2020, 05:41

ER

If a and b are integers, is ab > 0? (1) b = a (2) a > 2

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

btrg

16 Apr 2019, 09:10

2

4

1,985

by: chetan2u

14 Oct 2020, 05:46

ER

Cyclist A leaves point X at 12 noon and travels at constant velocity

555-605 (Medium) | Distance and Speed Problems

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

Bunuel

15 Oct 2019, 23:32

3

4

2,209

14 Oct 2020, 08:37

ER

Is X an even integer ?

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AnisMURR

12 Oct 2020, 10:58

4

5

1,210

by: VoltAmpere

15 Oct 2020, 17:49

ER

If integer x ≥ 1, is x an even number? (1) x^3 - x^2 - x is an even

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

17 Oct 2020, 13:52

2

1,455

18 Oct 2020, 06:45

ER

A saltwater solution completely fills a glass cylinder. If the solutio

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Yash12345

05 Sep 2015, 12:47

16

7

8,030

18 Oct 2020, 22:39

ER

What is the remainder when positive integer n, where n≥5, is divided b

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

TheUltimateWinner

19 Oct 2020, 08:07

3

4

1,640

19 Oct 2020, 22:28

ER

Is x/y = 1 ? (1) x^3/y^3 = 1 (2) x^2/y^2 = 1

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Niveditha28

19 Oct 2020, 05:47

3

4

1,521

by: MathRevolution

20 Oct 2020, 11:01

ER

What is the value of C + B? (1) A + B = C + D = E + F (2) (E + F) =

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

22 Oct 2020, 00:15

6

2,433

by: akadiyan

22 Oct 2020, 20:53

ER

If the length of arc ACB in the circle above is 5p, is the length of A

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

17 Oct 2020, 12:26

7

8

2,199

23 Oct 2020, 08:54

ER

If n is an integer, what is the remainder when 3+8n is divided by 6?

605-655 (Medium) | Multiples and Factors, Number Properties

605-655 (Medium) | Multiples and Factors, Number Properties hide tags

TheUltimateWinner

25 Oct 2020, 09:04

4

6

1,669

by: PRAJESH0133

26 Oct 2020, 10:44

ER

If x and y are positive integers, what is the remainder when

555-605 (Medium) | Exponents, Remainders

555-605 (Medium) | Exponents, Remainders hide tags

MathRevolution

25 May 2018, 02:38

10

8

3,426

27 Oct 2020, 10:05

ER

What is the value of x?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

audiogal101

29 Nov 2013, 04:06

3

5

2,933

28 Oct 2020, 09:07

ER

Is x positive? (1) 1/(x+1) < 1/(x-1) where x ≠ 1; x ≠ -1 (2) x is eve

655-705 (Hard) | Algebra, Inequalities

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

siddharthkapoor

19 Oct 2020, 03:22

5

6

1,789

by: Pankaj0901

29 Oct 2020, 11:25

ER

Is a/b > 0 ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Carcass

27 Feb 2012, 07:19

3

7

3,587

31 Oct 2020, 07:39

ER

If k is a positive integer, is k a prime number?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

04 Nov 2020, 05:45

2

1,346

05 Nov 2020, 15:46

ER

If x is an even integer, is x divisible by 6?

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

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

chetan2u

14 Jan 2018, 06:04

19

13

4,069

05 Nov 2020, 16:27

ER

When processing iron ore into stainless steel, high-purity oxygen

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rajatchopra1994

06 Nov 2020, 00:29

2

2,616

06 Nov 2020, 10:26

ER

What is the sum of the squares of x^2 and y^2?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

07 Nov 2020, 10:18

2

3

1,188

08 Nov 2020, 12:58

ER

If x < -1, is x+y/x+1 < x-y/x-1?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

BrentGMATPrepNow

10 Nov 2020, 09:07

1

3

1,476

by: BrentGMATPrepNow

10 Nov 2020, 17:34

ER

If x is a positive integer then find x? (1) x^2−5x+6=0 (2) x^2=3x

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

GMATinsight

26 Jan 2020, 05:44

7

1,902

12 Nov 2020, 07:38

ER

Is x > y? (1) x and y are both positive integers. (2) x/y > 1

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

joejoe4868

03 Feb 2019, 02:00

1

4

3,147

12 Nov 2020, 09:46

ER

Z=2a×5b×7c A positive integer Z can be expressed in terms of its prime

805+ (Hard) | Algebra, Exponents

805+ (Hard) | Algebra, Exponents hide tags

niteshwaghray

23 May 2017, 00:34

21

9

3,611

12 Nov 2020, 15:56

ER

The number 14x52y is divisible by 11.

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ProfChaos

15 Nov 2020, 08:00

1

6

1,431

15 Nov 2020, 12:04

ER

If x and y are integers, is x even? (1) (x + 2)(y^2 + 7) is even.

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

16 Nov 2020, 01:15

7

4

1,987

17 Nov 2020, 14:16

ER

Is x^2 - y^2 an even integer?

805+ (Hard) | Algebra +2 tags

805+ (Hard) | Algebra, Multiples and Factors, Number Properties hide tags

chetan2u

05 Jun 2016, 01:07

53

13

6,210

17 Nov 2020, 16:22

ER

In the triangle above, what is the measure of Angle YZX?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

14 May 2020, 07:18

4

5

4,450

by: SiddharthR

19 Nov 2020, 14:15

ER

If x, y and z are positive integers, can the value of (x + y

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

ProfChaos

19 Nov 2020, 20:03

4

1,221

by: ProfChaos

19 Nov 2020, 22:01

ER

What is the value of x?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

10 Nov 2014, 08:29

14

13

7,584

25 Nov 2020, 12:03

ER

Right now, a barrel of water is exactly 40% full of water. What is th

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

09 Apr 2015, 07:26

14

8

7,638

01 Dec 2020, 09:01

ER

If x+y=10^15, where x and y are positive integers, y=? (1) The sum of

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

MBA20

10 May 2019, 10:56

19

2

2,856

by: chetan2u

04 Dec 2020, 08:31

ER

A candy manufacturer decided to decrease the weight of each candy bar,

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

29 Jan 2016, 03:21

12

11

6,335

05 Dec 2020, 01:26

ER

If the average of four numbers is 35, how many of the numbers are less

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

28 Feb 2016, 11:47

6

4

5,009

05 Dec 2020, 17:23

ER

What is x? (1) |2x| = 6x 4 (2) |x| < 2

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WarriorWithin

11 Dec 2020, 04:37

3

5

1,789

by: wali786

11 Dec 2020, 13:08

ER

If a and b are positive integers, What is the value of tens digit of a

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Kritisood

22 Apr 2020, 08:28

7

9

3,722

by: Commendlionel

12 Dec 2020, 01:56

ER

Is a positive integer n greater than 1 divisible by 2?

505-555 (Easy) | Multiples and Factors

505-555 (Easy) | Multiples and Factors hide tags

MathRevolution

07 Mar 2017, 01:02

2

6

2,451

16 Dec 2020, 19:31

ER

If t is an integer, is t odd?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Hoozan

19 Dec 2020, 08:42

2

1,576