GMAT Club Forum

ER

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

Bunuel

25 Oct 2022, 08:11

123

11

55,126

by: Bunuel

12 May 2025, 05:54

ER

100 Hardest and easiest questions for DS as of May 2025

1, 2

Bunuel

21 Aug 2015, 03:42

825

23

177,416

by: Bunuel

02 Sep 2024, 23:51

ER

DS Question Directory by Topic and Difficulty

bb

07 Mar 2012, 08:58

1,478

0

470,698

by: bb

07 Mar 2012, 08:58

ER

If m and n are integers, what is the value of m^4 + n^4? (1) n^3 = 27

Sub 505 Level | Algebra, Exponents

Sub 505 Level | Algebra, Exponents hide tags

AndrewN

26 Jul 2022, 07:08

3

4

1,476

by: ansh00700

12 Jun 2025, 02:16

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

245

14

38,385

by: Bunuel

08 Jun 2025, 10:07

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

61

13

30,067

by: bumpbot

21 May 2025, 22:07

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

124

13

22,975

by: bumpbot

25 Apr 2025, 01:44

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

31,113

by: bumpbot

24 Apr 2025, 01:04

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

358

26

60,074

by: bumpbot

13 Apr 2025, 17:46

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

42,036

by: bumpbot

10 Mar 2025, 03:59

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

13,743

by: bumpbot

09 Mar 2025, 05:49

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

59

8

24,543

by: bumpbot

09 Mar 2025, 05:37

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

69,589

by: bumpbot

05 Mar 2025, 14:00

ER

Each of the numbers w, x, y, and z is equal to either 0 or 1. What is

555-605 Level | Algebra

555-605 Level | Algebra hide tags

Bunuel

21 Oct 2019, 02:44

28

4

10,245

by: bumpbot

02 Mar 2025, 08:50

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

46,385

by: bumpbot

26 Feb 2025, 03:21

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

45,719

by: bumpbot

03 Feb 2025, 05:46

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

46,191

by: bumpbot

27 Jan 2025, 22:22

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

58,600

by: bumpbot

23 Jan 2025, 19:07

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

64,045

by: bumpbot

02 Jan 2025, 10:47

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

44,285

by: bumpbot

28 Dec 2024, 03:11

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

128,283

by: bumpbot

01 Dec 2024, 09:29

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

19,749

by: Adarsh_24

28 Nov 2024, 04:54

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

26,115

by: bumpbot

27 Nov 2024, 01:44

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

8,505

by: Bunuel

24 Nov 2024, 14:39

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

13,079

by: bumpbot

20 Nov 2024, 12:21

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

42,152

by: bumpbot

20 Nov 2024, 11:44

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

16,256

by: bumpbot

20 Nov 2024, 10:31

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

147

11

33,373

by: bumpbot

20 Nov 2024, 10:27

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

20,444

by: bumpbot

20 Nov 2024, 10:08

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

53,457

by: bumpbot

07 Nov 2024, 11:12

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

185

7

53,495

by: bumpbot

06 Nov 2024, 05:10

ER

What is the value of 5x^2 + 4x - 1 ? (1) x(x + 2) = 0 (2) x = 0

Sub 505 Level | Algebra

Sub 505 Level | Algebra hide tags

Bunuel

23 Sep 2018, 21:52

12

5

12,528

by: bumpbot

22 Oct 2024, 11:31

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

17,183

by: KanikaJain

21 Oct 2024, 02:02

ER

What is the average (arithmetic mean) of a, b, and c ?

505-555 Level | Algebra

505-555 Level | Algebra hide tags

Bunuel

10 Jul 2018, 21:29

28

6

15,984

by: KanikaJain

21 Oct 2024, 01:34

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

10,016

by: bumpbot

19 Oct 2024, 09:27

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

26,398

by: bumpbot

19 Oct 2024, 09:19

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

92,706

by: bumpbot

17 Oct 2024, 04:44

ER

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

505-555 Level | Algebra

505-555 Level | Algebra hide tags

SergeNew

02 Jan 2011, 14:08

17

5

6,685

by: bumpbot

15 Oct 2024, 21:15

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

34,331

by: bumpbot

14 Oct 2024, 23:04

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

13,906

by: bumpbot

13 Oct 2024, 04:30

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

32,153

by: Bunuel

01 Oct 2024, 23:59

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

30,265

by: bumpbot

17 Sep 2024, 10:03

ER

If 2x + 3y = 5, what is the value of x ?

Sub 505 Level | Algebra

Sub 505 Level | Algebra hide tags

jlgdr

01 Oct 2013, 15:25

5

3

10,315

by: bumpbot

13 Jul 2024, 01:39

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

19,622

by: bumpbot

09 Jul 2024, 04:47

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

14,202

by: bumpbot

07 Jul 2024, 01:30

ER

If s = (x + y)^2 and t = (x - y)^2, what is the value of 2^s/2^t ?

505-555 Level | Algebra, Exponents

505-555 Level | Algebra, Exponents hide tags

ThomasR22

06 Nov 2018, 13:31

16

3

6,431

by: bumpbot

02 Jul 2024, 03:43

A shirt and a pair of gloves cost a total of $41.70. How much does the

Sub 505 Level | Algebra

Sub 505 Level | Algebra hide tags

gmatzpractice

14 Jun 2018, 10:00

1

2

6,587

by: bumpbot

30 Jun 2024, 00:06

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

25,580

by: bumpbot

26 Jun 2024, 04:20

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

10,094

by: bumpbot

22 Jun 2024, 20:39

ER

555-605 Level | Algebra, Word Problems

555-605 Level | Algebra, Word Problems hide tags

broilerc

06 May 2016, 09:20

131

10

32,753

by: bumpbot

31 May 2024, 09:41

ER

If x is positive, what is the value of y ?

Sub 505 Level | Algebra

Sub 505 Level | Algebra hide tags

adkikani

23 May 2018, 18:40

6

7

10,029

by: bumpbot

21 May 2024, 08:35

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

34,362

by: DanTheGMATMan

18 Apr 2024, 14:01

ER

Is h^2 = h ? (1) h + h = h (2) h – h = h

Sub 505 Level | Algebra

Sub 505 Level | Algebra hide tags

plzdonotbugme

04 May 2013, 01:50

22

6

8,325

by: bumpbot

27 Feb 2024, 11:43

Data Sufficiency (DS)