GMAT Club Forum

ER

Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

Bunuel

25 Oct 2022, 08:11

127

11

56,786

by: Bunuel

12 May 2025, 05:54

ER

100 Hardest and easiest questions for DS as of June 2025

1, 2

Bunuel

21 Aug 2015, 03:42

827

23

178,359

by: Bunuel

02 Sep 2024, 23:51

ER

DS Question Directory by Topic and Difficulty

bb

07 Mar 2012, 08:58

1,483

0

471,986

by: bb

07 Mar 2012, 08:58

ER

If x = u^2 - v^2, y = 2uv and z = u^2 + v^2, and if x = 11,

805+ Level | Algebra

805+ Level | Algebra hide tags

1, 2

vogelleblanc

27 Nov 2013, 23:26

867

35

128,506

by: bumpbot

01 Dec 2024, 09:29

ER

If y ≠ 1, is x = 1 ? (1) x^2 + y^2 = 1 (2) y = 1 - x

655-705 Level | Algebra

655-705 Level | Algebra hide tags

1, 2

MDK

11 Oct 2013, 11:50

512

21

92,856

by: bumpbot

17 Oct 2024, 04:44

ER

If x is a positive number less than 10, is z greater than the average

655-705 Level | Algebra

655-705 Level | Algebra hide tags

Bunuel

20 Feb 2014, 01:15

375

19

46,436

by: bumpbot

27 Jan 2025, 22:22

ER

Martha bought several pencils. If each pencil was either a

555-605 Level | Algebra, Word Problems

555-605 Level | Algebra, Word Problems hide tags

1, 2

Bull78

01 Sep 2010, 10:02

359

26

60,392

by: bumpbot

13 Apr 2025, 17:46

ER

If t and x are integers, what is the value of x?

605-655 Level | Algebra

605-655 Level | Algebra hide tags

surupab

07 Apr 2016, 10:04

302

17

53,585

by: bumpbot

07 Nov 2024, 11:12

ER

If x^2 = y^2, is true that x > 0 ? (1) x = 2y+1 (2) y <= -1

705-805 Level | Algebra, Inequalities

705-805 Level | Algebra, Inequalities hide tags

1, 2, 3

burnttwinky

20 May 2012, 19:02

264

43

46,541

by: bumpbot

26 Feb 2025, 03:21

ER

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

555-605 Level | Algebra

555-605 Level | Algebra hide tags

bulletpoint

20 Oct 2013, 06:32

256

11

64,204

by: bumpbot

02 Jan 2025, 10:47

ER

Is 2x - 3y < x^2 ? (1) 2x - 3y = -2 (2) x > 2 and y > 0

655-705 Level | Algebra, Inequalities

655-705 Level | Algebra, Inequalities hide tags

metallicafan

07 Sep 2010, 13:15

247

14

38,673

by: Bunuel

08 Jun 2025, 10:07

ER

If integers x, y and z are greater than 1 what is the value

655-705 Level | Algebra

655-705 Level | Algebra hide tags

arjtryarjtry

04 Aug 2008, 11:05

227

18

58,770

by: bumpbot

23 Jan 2025, 19:07

ER

If b and c are constants for which the quadratic equation x^2+bx+c=0

555-605 Level | Algebra, Roots

555-605 Level | Algebra, Roots hide tags

broilerc

05 May 2016, 08:41

220

12

45,802

by: bumpbot

03 Feb 2025, 05:46

ER

Of the shares of stock owned by a certain investor, 30

505-555 Level | Algebra, Word Problems

505-555 Level | Algebra, Word Problems hide tags

BabySmurf

25 Jan 2014, 02:16

186

7

53,672

by: bumpbot

06 Nov 2024, 05:10

ER

If 0 < x < y, what is the value of (x + y)^2/(x- y)^2?

555-605 Level | Algebra, Exponents

555-605 Level | Algebra, Exponents hide tags

Val1986

23 Mar 2013, 21:49

182

8

69,712

by: bumpbot

05 Mar 2025, 14:00

ER

If a, b, and c are integers, what is the value of a?

505-555 Level | Algebra

505-555 Level | Algebra hide tags

snowbirdskier

05 Dec 2008, 20:25

173

14

44,375

by: bumpbot

28 Dec 2024, 03:11

ER

Is x^2 equal to xy? (1) x^2 y^2 = (x + 5)(y - 5) (2) x = y

555-605 Level | Algebra

555-605 Level | Algebra hide tags

dobinnoli

15 Dec 2009, 23:28

172

12

32,444

by: Bunuel

01 Oct 2024, 23:59

ER

If 2 < x < 4, what is the median of the numbers 0, 5, x, 1,

555-605 Level | Algebra, Statistics and Sets Problems

555-605 Level | Algebra, Statistics and Sets Problems hide tags

1, 2

bgribble

30 Nov 2013, 11:54

165

23

48,461

by: bumpbot

06 Jul 2025, 10:58

ER

If n is an integer between 2 and 100 and if n is also the square of an

605-655 Level | Algebra, Number Properties

605-655 Level | Algebra, Number Properties hide tags

Bunuel

23 Feb 2014, 07:51

148

11

33,596

by: bumpbot

20 Nov 2024, 10:27

ER

If x and y are greater than 0, is x = 1 ?

555-605 Level | Algebra

555-605 Level | Algebra hide tags

PhillyBound

13 Aug 2011, 17:09

142

10

42,126

by: bumpbot

10 Mar 2025, 03:59

ER

If wx = y, then what is the value of xy?

555-605 Level | Algebra

555-605 Level | Algebra hide tags

jonblazon

31 Dec 2010, 04:51

134

11

34,492

by: bumpbot

14 Oct 2024, 23:04

ER

555-605 Level | Algebra, Word Problems

555-605 Level | Algebra, Word Problems hide tags

broilerc

06 May 2016, 09:20

131

10

32,847

by: bumpbot

31 May 2024, 09:41

ER

What is the value of a^4 - b^4 ?

605-655 Level | Algebra

605-655 Level | Algebra hide tags

itspinky

04 Sep 2009, 17:56

125

13

23,225

by: bumpbot

25 Apr 2025, 01:44

ER

Is st = t ? (1) s = st (2) t = ts

505-555 Level | Algebra

505-555 Level | Algebra hide tags

sidmaken

07 Jun 2014, 13:04

117

13

35,173

by: bumpbot

19 Jan 2024, 03:13

ER

If v and w are different integers, does v = 0? (1) vw = v^2 (2) w = 2

555-605 Level | Algebra

555-605 Level | Algebra hide tags

zerotoinfinite2006

10 Oct 2010, 09:36

103

18

20,575

by: bumpbot

20 Nov 2024, 10:08

ER

R = 1 + 2xy + x^2y^2, what is the value of xy?

555-605 Level | Algebra

555-605 Level | Algebra hide tags

satishreddy

14 Oct 2010, 20:56

101

14

42,251

by: bumpbot

20 Nov 2024, 11:44

ER

If n is an integer and x^n – x^(-n) = 0, what is the value of x ?

655-705 Level | Algebra, Exponents

655-705 Level | Algebra, Exponents hide tags

DeeptiM

05 Sep 2011, 12:17

99

9

19,775

by: bumpbot

09 Jul 2024, 04:47

ER

Pat is reading a book that has a total of 15 chapters. Has Pat read at

655-705 Level | Algebra, Word Problems

655-705 Level | Algebra, Word Problems hide tags

prude_sb

15 Jan 2007, 21:12

93

14

20,008

by: Adarsh_24

28 Nov 2024, 04:54

ER

Is it true that x > 0?

605-655 Level | Algebra

605-655 Level | Algebra hide tags

viktorija

30 Nov 2014, 16:40

83

14

13,999

by: bumpbot

13 Oct 2024, 04:30

ER

If x ≠ 0 and x^2z – 4xy + y = 0, what is the value of z ?

705-805 Level | Algebra

705-805 Level | Algebra hide tags

Bunuel

23 May 2020, 08:28

74

8

10,198

by: bumpbot

22 Jun 2024, 20:39

ER

Is a > b ? (1) a/b = 7/10 (2) a = 70/100*b

605-655 Level | Algebra, Inequalities

605-655 Level | Algebra, Inequalities hide tags

Maude

25 Aug 2010, 02:11

69

11

13,175

by: bumpbot

20 Nov 2024, 12:21

ER

Does x + y = 5 ? (1) 4x + y = 17 (2) x + 4y = 8

Sub 505 Level | Algebra

Sub 505 Level | Algebra hide tags

gmatJP

15 Jun 2010, 01:13

63

13

30,228

by: bumpbot

21 May 2025, 22:07

If m and n are positive integers and mn = k, is m + n = k + 1?

555-605 Level | Algebra, Number Properties

555-605 Level | Algebra, Number Properties hide tags

carbazzy

07 Aug 2019, 15:34

62

8

16,802

by: bumpbot

13 Jan 2024, 20:08

ER

If both x and y are nonzero numbers, what is the value of y/x?

505-555 Level | Algebra

505-555 Level | Algebra hide tags

Bunuel

09 Jan 2014, 06:52

62

16

26,114

by: Aakash3697

17 Apr 2021, 12:31

ER

If a > 0, b > 0 and c > 0, is a(b - c) = 0?

555-605 Level | Algebra

555-605 Level | Algebra hide tags

tejal777

21 Aug 2009, 19:24

61

13

26,535

by: bumpbot

19 Oct 2024, 09:19

ER

A bookstore that sells used books sells each of its paperbac

505-555 Level | Algebra, Word Problems

505-555 Level | Algebra, Word Problems hide tags

Bunuel

23 Feb 2014, 07:48

61

9

34,522

by: DanTheGMATMan

18 Apr 2024, 14:01

ER

If |n + 5| = 5, what is the value of n?

505-555 Level | Absolute Values, Algebra

505-555 Level | Absolute Values, Algebra hide tags

anandhimanshu85

14 May 2011, 06:33

60

8

24,720

by: bumpbot

09 Mar 2025, 05:37

ER

A craftsperson made 126 ornaments and put them all into boxes.

555-605 Level | Algebra, Word Problems

555-605 Level | Algebra, Word Problems hide tags

dcummins

26 Nov 2018, 02:28

59

7

11,348

by: kelly_jacques

08 Jul 2023, 08:39

ER

If the sum of the three different numbers is 54, what is the largest

505-555 Level | Algebra

505-555 Level | Algebra hide tags

geometric

15 Jan 2012, 23:50

55

9

31,254

by: bumpbot

24 Apr 2025, 01:04

ER

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

605-655 Level | Algebra

605-655 Level | Algebra hide tags

carcass

15 Sep 2012, 05:45

51

5

10,126

by: bumpbot

19 Oct 2024, 09:27

ER

If a, b, c, d, and e are integers and cde = 0, is d = 0 ? (1) abc = 3

505-555 Level | Algebra

505-555 Level | Algebra hide tags

Bunuel

12 Jun 2020, 06:40

49

13

22,686

by: bumpbot

27 Sep 2023, 08:03

ER

If m and n are integers and x>0, what is value of x^m + x^n?

505-555 Level | Algebra, Exponents

505-555 Level | Algebra, Exponents hide tags

newbornmuse

20 Jun 2014, 05:23

48

11

13,845

by: bumpbot

09 Mar 2025, 05:49

ER

If m and n are integers, what is the value of m + n ?

Sub 505 Level | Algebra

Sub 505 Level | Algebra hide tags

Bunuel

26 Apr 2019, 02:20

45

11

30,453

by: bumpbot

17 Sep 2024, 10:03

ER

For real numbers a and b, is it true that a = b?

Sub 505 Level | Algebra

Sub 505 Level | Algebra hide tags

yudiwan

25 Jul 2016, 18:25

43

16

19,114

by: rxb266

04 Jul 2023, 02:15

ER

What is the value of h ? (1) h^2 = 36 (2) h^2 + 12h = -36

Sub 505 Level | Algebra

Sub 505 Level | Algebra hide tags

A4G

03 Dec 2013, 17:15

43

13

28,739

by: bumpbot

11 Jan 2023, 07:18

ER

If x is a positive number, what is the value of x ? (1) |x – 2| = 1

505-555 Level | Absolute Values, Algebra

505-555 Level | Absolute Values, Algebra hide tags

tatane90

04 Nov 2010, 15:59

41

8

16,386

by: bumpbot

20 Nov 2024, 10:31

ER

If x = 1/2, is y equal to 1? (1) y^2(x + 1/2) = 1 (2) y(2x - 1) = 2x

505-555 Level | Algebra

505-555 Level | Algebra hide tags

pradeepss

09 Oct 2013, 20:05

40

6

26,267

by: bumpbot

27 Nov 2024, 01:44

If a rope is cut into three pieces of unequal length, what is the leng

505-555 Level | Algebra, Word Problems

505-555 Level | Algebra, Word Problems hide tags

mciatto

31 Aug 2003, 16:21

38

11

25,751

by: bumpbot

26 Jun 2024, 04:20

ER

If x is a negative number, what is the value of x?

Sub 505 Level | Algebra

Sub 505 Level | Algebra hide tags

goodyear2013

29 Mar 2014, 16:05

36

4

24,091

by: bumpbot

18 Dec 2023, 23:29

ER

If a certain positive two-digit number has tens' digit w and units' di

605-655 Level | Algebra

605-655 Level | Algebra hide tags

Bunuel

23 May 2020, 08:41

34

5

8,609

by: Bunuel

24 Nov 2024, 14:39

ER

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

505-555 Level | Algebra

505-555 Level | Algebra hide tags

Bunuel

23 Sep 2018, 21:30

33

5

17,295

by: KanikaJain

21 Oct 2024, 02:02

ER

If x is an integer, what is the value of x? (1) 1/5 < 1/(x + 1) < 1/2

555-605 Level | Algebra, Inequalities

555-605 Level | Algebra, Inequalities hide tags

jlgdr

18 Sep 2013, 15:38

33

12

14,452

by: bumpbot

07 Jul 2024, 01:30

ER

Is p + pz = p? (1) p = 0 (2) z = 0

Sub 505 Level | Algebra

Sub 505 Level | Algebra hide tags

Bunuel

04 Jun 2017, 06:11

32

7

20,497

by: nivivacious

29 Jan 2024, 20:04

Data Sufficiency (DS)