Data Sufficiency (DS)

02 Oct 2025, 01:36

7!! ER

100 Hardest and easiest questions for DS as of October 2025

1, 2

Bunuel

21 Aug 2015, 03:42

842

24

183,704

16 Sep 2025, 06:05

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DS Question Directory by Topic and Difficulty

bb

07 Mar 2012, 08:58

1,506

0

480,542

by: bb

07 Mar 2012, 08:58

7!!

505-555 Level | Algebra

505-555 Level | Algebra hide tags

dabaobao

05 Apr 2019, 09:09

1

839

by: dabaobao

05 Apr 2019, 09:12

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Poor Quality

Poor Quality hide tags

eswarchethu135

03 Jan 2019, 20:34

6

5

1,137

by: fskilnik

05 Jan 2019, 17:11

7!! ER

505-555 Level | Inequalities, Number Properties

505-555 Level | Inequalities, Number Properties hide tags

Bunuel

22 Feb 2016, 04:38

13

7

3,943

25 Nov 2018, 00:49

7!! ER

What is the value of X?

605-655 Level | Algebra, Number Properties

605-655 Level | Algebra, Number Properties hide tags

chetan2u

12 Jun 2018, 08:45

2

3

1,632

by: LevanKhukhunashvili

13 Jun 2018, 03:46

7!!

Sub 505 Level | Multiples and Factors

Sub 505 Level | Multiples and Factors hide tags

CAMANISHPARMAR

03 Apr 2018, 10:59

2

3

1,876

by: MT1988

05 Apr 2018, 09:46

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505-555 Level | Algebra

505-555 Level | Algebra hide tags

Bunuel

14 Apr 2015, 04:48

4

8

2,370

30 Oct 2017, 06:10

7!! ER

555-605 Level | Geometry

555-605 Level | Geometry hide tags

Bunuel

22 Aug 2017, 01:43

2

2,169

by: septwibowo

22 Aug 2017, 04:17

7!! ER

505-555 Level | Algebra

505-555 Level | Algebra hide tags

vikasp99

23 Feb 2017, 20:52

1

3

1,566

17 Jun 2017, 10:40

7!! ER

555-605 Level | Algebra

555-605 Level | Algebra hide tags

harish1986

14 Oct 2015, 10:22

10

8

2,848

by: origen87

30 Mar 2017, 10:32

7!! ER

555-605 Level | Algebra, Exponents

555-605 Level | Algebra, Exponents hide tags

Reni

26 Jul 2014, 10:03

3

2

2,387

29 Mar 2017, 06:24

7!! ER

505-555 Level | Algebra

505-555 Level | Algebra hide tags

Bunuel

06 Nov 2016, 09:16

3

5

2,252

by: jkolachi

04 Jan 2017, 16:48

7!! ER

Sub 505 Level | Algebra

Sub 505 Level | Algebra hide tags

Bunuel

28 Oct 2015, 07:12

2

4

1,870

by: Skywalker18

28 Oct 2015, 18:54

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555-605 Level | Algebra

555-605 Level | Algebra hide tags

sanjoo

14 Feb 2014, 09:27

4

3,044

by: taransambi

14 Aug 2014, 06:36

7!! ER

What is the value of x, if x is even?

605-655 Level | Algebra, Number Properties

605-655 Level | Algebra, Number Properties hide tags

GMATWhizTeam

08 Oct 2021, 10:09

6

3

3,515

10 Feb 2025, 15:32

7!! ER

What is the value of x, if x is an integer?

705-805 Level | Inequalities

705-805 Level | Inequalities hide tags

Bunuel

02 Sep 2016, 05:23

12

3

3,041

15 Aug 2023, 22:38

7!! ER

What is the value of x, if x is an integer?

555-605 Level | Algebra

555-605 Level | Algebra hide tags

Bunuel

21 Jul 2021, 09:00

2

1,488

by: KSBGC

21 Jul 2021, 10:11

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What is the value of x, if x is an integer?

Poor Quality

Poor Quality hide tags

kawal27

30 Sep 2020, 01:25

1

897

30 Sep 2020, 01:29

7!! ER

What is the value of X, if X and Y are two distinct integers and their

705-805 Level | Number Properties

705-805 Level | Number Properties hide tags

Bunuel

14 Mar 2016, 08:07

12

4

18,006

15 Aug 2025, 13:19

7!!

What is the value of x-z?

505-555 Level | Algebra

505-555 Level | Algebra hide tags

TheUltimateWinner

18 Apr 2021, 09:47

1

936

by: ramlala

18 Apr 2021, 11:29

7!! ER

What is the value of x-y? (1) (3^x)(9^y) = 81 (2) (5^x)(5^y

555-605 Level | Exponents

555-605 Level | Exponents hide tags

Bunuel

30 Mar 2023, 06:45

2

1

830

by: GMATinsight

30 Mar 2023, 07:02

7!!

What is the value of x-y? (1) x + y = 11 (2) 4x - 4y = 8

505-555 Level | Algebra

505-555 Level | Algebra hide tags

Russ19

30 Aug 2020, 07:59

4

3

1,804

by: abhijitpatil

30 Aug 2020, 09:43

7!! ER

What is the value of x^8

505-555 Level | Algebra

505-555 Level | Algebra hide tags

Stardust Chris

23 Feb 2015, 09:56

1

3

1,713

by: Kinshook

10 Jul 2019, 22:00

7!! ER

What is the value of x^6/(x^2+1)?

655-705 Level | Absolute Values, Algebra

655-705 Level | Absolute Values, Algebra hide tags

Bunuel

02 Oct 2017, 23:59

10

6

3,776

21 Dec 2023, 22:28

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What is the value of x^6 + x^(-6) ?

Poor Quality

Poor Quality hide tags

alphonsa

18 Aug 2014, 08:09

3

2

2,507

18 Aug 2014, 09:31

7!! ER

What is the value of x^5? (1) x^2 = 9 (2) x^3 >9

505-555 Level | Algebra

505-555 Level | Algebra hide tags

Bunuel

03 Sep 2019, 23:01

7

12

4,406

08 Jul 2024, 17:04

7!! ER

What is the value of x^5? (1) x^2 = 426 (2) x^9 < 23

555-605 Level | Exponents, Inequalities

555-605 Level | Exponents, Inequalities hide tags

Bunuel

08 Feb 2021, 05:30

6

2

1,793

20 Mar 2022, 09:13

7!! ER

What is the value of x^5?

505-555 Level | Algebra, Inequalities

505-555 Level | Algebra, Inequalities hide tags

Bunuel

23 Nov 2017, 05:51

5

3

2,264

by: PranavChadha

20 Apr 2022, 01:32

7!! ER

What is the value of x^4y^2 - x^4y^2 ?

555-605 Level | Algebra

555-605 Level | Algebra hide tags

Bunuel

24 Mar 2015, 04:48

5

8

4,530

by: fskilnik

22 Oct 2018, 12:42

7!! ER

What is the value of x^4 y^4 ? (1) x^2 y^2 = 32 (2) x y = 4

605-655 Level | Algebra

605-655 Level | Algebra hide tags

Bunuel

27 Dec 2023, 02:30

3

2

1,111

by: Aryaa03

28 Dec 2023, 04:31

7!! ER

What is the value of x^3y^2 + 2098/(xy^2) + 1/x -x^y, given x, and y

805+ Level | Algebra

805+ Level | Algebra hide tags

Bunuel

28 Jan 2021, 01:15

12

4

1,848

by: rsrighosh

14 Apr 2021, 07:12

7!! ER

What is the value of x^3?

Sub 505 Level | Absolute Values, Algebra

Sub 505 Level | Absolute Values, Algebra hide tags

Bunuel

17 Feb 2016, 03:33

21

12

12,442

15 Mar 2025, 02:07

7!! ER

What is the value of x^3 − y^3?

Sub 505 Level | Algebra

Sub 505 Level | Algebra hide tags

Bunuel

19 Apr 2017, 07:56

2

1,779

by: rohit8865

19 Apr 2017, 08:28

7!! ER

What is the value of x^3 + y^3? (1) x + y = 0 (2) x^2 - y^2 = 0

555-605 Level | Algebra

555-605 Level | Algebra hide tags

Bunuel

30 May 2023, 09:45

1

815

by: TheBipedalHorse

30 May 2023, 10:54

7!! ER

What is the value of x^3 + y^3?

Sub 505 Level | Algebra

Sub 505 Level | Algebra hide tags

vikasp99

21 Feb 2017, 19:58

4

3

4,847

03 Sep 2019, 09:48

7!! ER

What is the value of x^3 + y^3 ? (1) x + y = 7 (2) x^2 + y^2 = 25

555-605 Level | Algebra

555-605 Level | Algebra hide tags

Bunuel

06 Sep 2019, 10:55

8

2

1,939

by: CrackverbalGMAT

05 Sep 2020, 04:26

7!! ER

What is the value of x^3 ?

Sub 505 Level | Number Properties, Roots

Sub 505 Level | Number Properties, Roots hide tags

Bunuel

21 Dec 2021, 02:30

1

1,665

by: ElninoEffect

21 Dec 2021, 05:06

7!! ER

What is the value of x^3 - y^3 ?

555-605 Level | Algebra

555-605 Level | Algebra hide tags

vivaslluis

10 Oct 2010, 03:46

16

9

5,340

by: law258

18 Sep 2016, 10:07

7!! ER

What is the value of x^3 - y^3

655-705 Level | Algebra

655-705 Level | Algebra hide tags

Bunuel

09 Dec 2015, 08:43

5

3

2,380

10 Oct 2021, 04:09

7!! ER

What is the value of x^2yz + xy^2z + xyz^2 ?

505-555 Level | Algebra

505-555 Level | Algebra hide tags

rraggio

15 Sep 2010, 07:38

5

12,537

02 Oct 2020, 03:16

7!! ER

What is the value of x^2+ 5x +4?

Poor Quality

Poor Quality hide tags

nkimidi7y

05 Sep 2012, 12:30

4

15

5,213

by: AbhiJ

31 Oct 2012, 12:56

7!! ER

What is the value of x^2/y? (1) x^2y = 4 (2) y^2 = 4

505-555 Level | Algebra

505-555 Level | Algebra hide tags

Bunuel

10 Oct 2023, 01:30

4

1,601

by: albertmercu19

19 Dec 2023, 10:30

7!! ER

What is the value of x^2 y^2?

555-605 Level | Absolute Values, Algebra

555-605 Level | Absolute Values, Algebra hide tags

Bunuel

25 Jul 2016, 10:12

13

6

3,960

17 Jul 2017, 06:06

7!! ER

What is the value of x^2 y^2 ? (1) x + y = 12 (2) xy = 35

555-605 Level | Algebra

555-605 Level | Algebra hide tags

Bunuel

13 May 2022, 01:30

3

1

931

by: zhanbo

13 May 2022, 04:00

7!! ER

What is the value of x^2 − y^2 ? (1) (x - y)^2 = 9 (2) x + y = 6

555-605 Level | Algebra

555-605 Level | Algebra hide tags

carcass

27 Jul 2017, 08:09

126

13

26,294

13 May 2025, 23:46

7!! ER

What is the value of x^2 − 5x?

655-705 Level | Algebra

655-705 Level | Algebra hide tags

Chembeti

03 Mar 2012, 21:26

3

4,086

10 Feb 2021, 05:01

7!! ER

What is the value of x^2 + y^2 + xy ?

655-705 Level | Algebra

655-705 Level | Algebra hide tags

Bunuel

29 Nov 2022, 02:30

3

2

1,153

by: gmatophobia

29 Nov 2022, 03:03

7!! ER

What is the value of x^2 + y^2 ?

555-605 Level | Algebra

555-605 Level | Algebra hide tags

maxLRok

23 Nov 2012, 07:29

7

6

6,247

07 Oct 2022, 08:44

7!! ER

What is the value of x^2 + y^2 ?

605-655 Level | Algebra

605-655 Level | Algebra hide tags

Bunuel

11 Nov 2019, 04:48

5

3

2,490

03 Jul 2021, 02:53

7!! ER

What is the value of x^2 + y^2 ?

555-605 Level | Algebra

555-605 Level | Algebra hide tags

krazo

04 Oct 2010, 18:06

2

6

4,203