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

496,398

by: bb

23 Aug 2026, 13:01

ER

In the triangle above, what is the length of the side BC?

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LM

10 Apr 2010, 04:50

1

6

5,631

21 Oct 2017, 08:56

ER

If x, y and z are real numbers, is y – z < x – z?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

26 Feb 2017, 09:16

10

4

8,334

by: BrentGMATPrepNow

19 Oct 2017, 16:03

ER

Is a/b < 2?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Creeper300

07 Nov 2010, 13:41

3

2

3,348

19 Oct 2017, 04:08

ER

In the figure above, if DE is parallel to , what is the sum

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

banksy

15 Feb 2011, 08:04

3

4

5,147

18 Oct 2017, 08:35

ER

If the average (arithmetic mean) of 5 numbers is 30, what is the stand

555-605 (Medium) | Statistics and Sets Problems

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

MathRevolution

17 Oct 2017, 03:24

1

1,791

17 Oct 2017, 03:27

ER

We have a condition that a < b < c. What is the solution of a^2 + b^2

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MathRevolution

11 Oct 2017, 06:43

3

1,225

15 Oct 2017, 06:10

ER

Of the students who attend a library, each student either likes

555-605 (Medium) | Statistics and Sets Problems

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

nkmungila

11 Oct 2017, 21:58

4

1

5,113

11 Oct 2017, 22:03

What is the value of |x - y|?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

10 Oct 2017, 00:55

3

2,270

by: shushman14

11 Oct 2017, 13:53

If the product of 7 consecutive integers is not zero, is the product

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

05 Oct 2017, 04:47

2

6

2,523

by: pra1785

11 Oct 2017, 10:38

ER

What is the surface area of a certain rectangle solid?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

MathRevolution

06 Mar 2016, 03:59

3

5

2,738

10 Oct 2017, 03:37

ER

If x is an integer and x > 1, is x equal to 13?

505-555 (Easy) | Multiples and Factors

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

nkmungila

10 Oct 2017, 00:17

1

2,496

10 Oct 2017, 00:22

What is the value of positive integer x?

Sub 505 (Easy) | Multiples and Factors +2 tags

Sub 505 (Easy) | Multiples and Factors, Number Properties, Remainders hide tags

Bunuel

09 Oct 2017, 00:11

1

2

2,978

by: kaulshanx

09 Oct 2017, 10:19

Is the area of the triangle ABC ≥ 24 ? 1) Two of the Sides of the tri

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

GMATinsight

08 Oct 2017, 21:36

1

1,781

by: jedit

08 Oct 2017, 21:56

If x is an integer, is (3x - y)^(1/2) = (2x - 2y)^(1/2) ?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

02 Oct 2017, 00:01

5

2,217

by: Raksat

07 Oct 2017, 10:25

ER

If x is an integer, is (3x - y)^(1/2) = (2x - 2y)^(1/2) ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

02 Oct 2017, 04:42

2

3

1,747

by: Raksat

07 Oct 2017, 10:14

ER

Does (x^2 - y^2)^(1/2) = x + y?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

02 Oct 2017, 23:50

4

2

2,016

by: kaulshanx

07 Oct 2017, 09:30

If 18 < x < 68, is the integer x even?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

09 Mar 2016, 13:06

1

5

2,092

by: tejas0999

06 Oct 2017, 23:41

If m is a positive integer, is 13 a factor of m?

555-605 (Medium) | Multiples and Factors

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

Bunuel

06 Oct 2017, 05:49

2

4

1,777

by: atulindia

06 Oct 2017, 10:26

ER

Does b = 2b - a ?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

02 Oct 2017, 23:49

2

5

2,225

by: Shobhit7

05 Oct 2017, 21:34

ER

A merchant discounted the sale price of a coat and the sale price of

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

goalsnr

05 Oct 2017, 05:14

46

8

20,439

05 Oct 2017, 05:15

ER

If x and y are positive integers, what is the remainder when 5^x is

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

17 Jun 2015, 06:02

11

8

5,047

04 Oct 2017, 07:15

ER

Is k + k < k?

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RockySinha

03 Oct 2017, 11:47

2

1

2,543

03 Oct 2017, 11:55

ER

What is the sum of 7 consecutive integers?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

24 Jun 2016, 03:20

1

3

4,644

by: Madhavi1990

03 Oct 2017, 11:21

ER

If m is a positive integer greater than 1 can m be expressed

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

BN1989

14 Mar 2012, 05:36

2

4

5,495

03 Oct 2017, 09:58

ER

If sequence S has 100 terms, what is the 83rd term of S?

Sub 505 (Easy) | Sequences

Sub 505 (Easy) | Sequences hide tags

Bunuel

02 Jun 2016, 11:52

3

10

8,296

by: santro789

03 Oct 2017, 08:27

If y ≠ 0 and z ≠ 0, what is the value of x/(yz) ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

02 Oct 2017, 23:54

2

1

1,561

by: niks18

03 Oct 2017, 03:18

ER

If a and b are integers, Is b = 0? (1) a = ab – 1 (2) a is NOT equa

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

GMATinsight

03 Oct 2017, 00:35

1

2

1,692

by: Nikkb

03 Oct 2017, 00:52

ER

If x is not equal to 1, then is y equal to zero?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

fitzpratik

02 Oct 2017, 20:52

1

2,350

02 Oct 2017, 20:55

ER

Is the positive integer N a prime number?

555-605 (Medium) | Multiples and Factors

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

pushpitkc

30 Sep 2017, 10:26

2

2,713

01 Oct 2017, 14:09

ER

If a and b are non-negative integers and a/b is an integer, is b divis

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Bunuel

05 Dec 2016, 03:03

2

3

2,531

01 Oct 2017, 13:36

ER

A, B, C, and D are points on a line in that order. If AD = 13, what is

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

fitzpratik

29 Sep 2017, 18:20

2

2,938

01 Oct 2017, 13:29

ER

Is the range of the integers 6, 3, y, 4, 5, and x greater th

555-605 (Medium) | Statistics and Sets Problems

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

TomB

05 Mar 2012, 14:39

33

12

26,369

01 Oct 2017, 11:24

If 3x + 2y = -2z, what is x? (1) x – y – z = 10 (2) x + y + z = -2

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

22 Jun 2017, 23:48

3

4

3,556

by: Nikkb

01 Oct 2017, 06:01

ER

If ab = c what is the value of bc?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

rxs0005

25 Jan 2011, 07:12

2

3

3,306

30 Sep 2017, 21:28

What is the number of factors of X

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

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

GGMU

04 Sep 2016, 04:16

3

4

2,494

29 Sep 2017, 10:50

ER

Is the prime number p equal to 3

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

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

joylive

11 Nov 2012, 08:56

3

4,299

28 Sep 2017, 08:05

ER

If p and q are positive integers such that pq has exactly 4 unique pos

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

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

BillyZ

27 Mar 2017, 01:35

29

5

4,865

27 Sep 2017, 01:07

ER

If (xy)^(1/2) = 3, what is the value of x ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

17 Sep 2017, 03:04

1

8

2,141

26 Sep 2017, 21:11

What is x - y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

25 Sep 2017, 23:52

1

1,587

by: pushpitkc

25 Sep 2017, 23:59

What is the value of |m|?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

25 Sep 2017, 00:01

1

1,595

by: pushpitkc

25 Sep 2017, 03:03

Is xy = x^2 ? (1) x + y < 0 (2) xy < 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

24 Sep 2017, 23:53

2

6

2,258

by: kunalsinghNS

25 Sep 2017, 02:57

ER

What is the value of positive number a?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

08 Dec 2016, 13:58

2

4

2,089

25 Sep 2017, 00:42

What is the value of a^4 – b^4 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

03 Sep 2017, 06:25

5

4

2,149

by: sasyaharry

24 Sep 2017, 11:08

ER

Is (6a + x^2)^(1/2) = a + x?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

10 Sep 2017, 21:53

2

4

2,109

by: testcracker

23 Sep 2017, 22:59

Is 10x > x^10 ? (1) x is a positive number. (2) x^2 – 1 < 0

655-705 (Hard) | Exponents, Inequalities

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

Bunuel

21 Sep 2017, 05:03

3

6

2,703

by: Mo2men

22 Sep 2017, 05:18

What is the value of x^2 – y^2 ?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

24 Jun 2017, 08:34

3

4

2,195

by: scabr

22 Sep 2017, 00:30

If x and y are integers, what is the ratio of 3y to x?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

01 Jun 2016, 04:32

4

10

4,290