GMAT Club Forum

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

Bunuel

25 Oct 2022, 08:11

127

11

56,884

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

178,386

by: Bunuel

02 Sep 2024, 23:51

ER

DS Question Directory by Topic and Difficulty

bb

07 Mar 2012, 08:58

1,483

0

472,009

by: bb

07 Mar 2012, 08:58

ER

If sqrt(n) is a positive integer, what is the value of n?

555-605 Level | Inequalities, Number Properties

555-605 Level | Inequalities, Number Properties hide tags

gayathri

16 Jan 2005, 16:49

67

12

19,842

by: bumpbot

22 May 2024, 04:05

ER

If n and p are integers, is p > 0?

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

gvogelei

26 Apr 2006, 07:43

49

12

21,280

by: bumpbot

02 Mar 2025, 01:12

ER

Is the square root of (x - 5)^2 = 5 - x ? (1) -x|x| > 0 (2) 5 - x > 0

605-655 Level | Absolute Values, Inequalities

605-655 Level | Absolute Values, Inequalities hide tags

1, 2

jjhko

13 Jan 2007, 11:52

311

21

50,698

by: bumpbot

09 Jul 2024, 11:19

Is y < (x + z)/2 ? (1) y - x < z - y (2) z - y > (z - x)/2

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

nick_sun

16 Apr 2007, 01:09

17

6

15,793

by: bumpbot

13 May 2023, 02:44

ER

If n is an integer, is -3x^n positive?

505-555 Level | Exponents +2 tags

505-555 Level | Exponents, Inequalities, Number Properties hide tags

ninomoi

15 May 2007, 02:03

12

10

8,563

by: bumpbot

27 Mar 2025, 09:54

ER

Is x between 0 and 1? (1) x is between -1/2 and 3/2 (2) 3/4 is 1/4

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

jimmyjamesdonkey

23 Sep 2007, 11:38

32

10

35,001

by: variablecapital

07 Sep 2023, 06:58

ER

Is ((x-3)^2)^(1/2) = 3-x? (1) x ≠ 3 (2) -x|x| > 0

605-655 Level | Absolute Values, Inequalities

605-655 Level | Absolute Values, Inequalities hide tags

1, 2, 3

gmatnub

24 Apr 2008, 17:42

1,185

46

181,886

by: bumpbot

13 Jul 2024, 00:59

ER

Are x and y both positive? (1) 2x - 2y = 1 (2) x/y > 1

655-705 Level | Inequalities

655-705 Level | Inequalities hide tags

1, 2, 3, 4

Manbehindthecurtain

03 May 2008, 09:11

997

63

186,800

by: bumpbot

14 Jul 2024, 17:24

ER

Is m + z > 0 (1) m - 3z > 0 (2) 4z - m > 0

605-655 Level | Inequalities

605-655 Level | Inequalities hide tags

1, 2

kman

11 Feb 2009, 17:20

647

29

121,854

by: SomeOneUnique

01 Nov 2024, 18:30

ER

If x, y and z are positive numbers, is z between x and y?

605-655 Level | Inequalities

605-655 Level | Inequalities hide tags

1, 2

vcbabu

04 Jun 2009, 11:42

547

25

104,822

by: bumpbot

01 Feb 2025, 01:32

ER

Is x > y ? (1) ax > ay (2) a^2*x > a^2*y

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

Jivana

10 Aug 2009, 18:21

81

14

30,941

by: bumpbot

24 Jun 2024, 14:32

ER

If a < y < z < b, is |y - a | < |y - b | ?

705-805 Level | Absolute Values, Inequalities

705-805 Level | Absolute Values, Inequalities hide tags

yezz

18 Aug 2009, 18:47

367

17

35,885

by: bumpbot

04 Apr 2025, 12:24

ER

Is |x| = y - z ? (1) x + y = z (2) x < 0

555-605 Level | Absolute Values, Inequalities

555-605 Level | Absolute Values, Inequalities hide tags

DenisSh

04 Oct 2009, 23:26

504

14

64,328

by: bumpbot

09 Aug 2024, 15:17

ER

On the number line shown, is zero halfway between r and s ?

705-805 Level | Absolute Values, Inequalities

705-805 Level | Absolute Values, Inequalities hide tags

1, 2

DenisSh

12 Oct 2009, 01:00

1,143

36

120,641

by: aronbhati

22 Dec 2024, 02:40

ER

Is |x - y| > |x| - |y|? (1) y < x (2) xy < 0

655-705 Level | Absolute Values, Inequalities

655-705 Level | Absolute Values, Inequalities hide tags

1, 2, 3

study

17 Nov 2009, 04:52

1,483

48

212,881

by: bumpbot

06 Jul 2025, 15:40

ER

If x ≠ 0, is x^2/|x| < 1? (1) x < 1 (2) x > −1

555-605 Level | Absolute Values, Inequalities

555-605 Level | Absolute Values, Inequalities hide tags

1, 2

zaarathelab

14 Dec 2009, 01:03

144

26

24,248

by: bumpbot

24 Apr 2024, 06:29

ER

If y>=0, What is the value of x? (1) |x-3|>=y (2) |x-3|<=-y

705-805 Level | Absolute Values, Inequalities

705-805 Level | Absolute Values, Inequalities hide tags

ugimba

09 Jan 2010, 14:17

274

14

42,834

by: KarishmaB

25 Apr 2025, 02:21

ER

If xyz > 0, is x > 0? (1) xy > 0 (2) xz > 0

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

DestinyChild

10 Jan 2010, 19:31

139

18

46,211

by: bumpbot

31 Jan 2024, 03:40

ER

If x ≠ -y is (x - y)/(x + y) > 1? (1) x > 0 (2) y < 0

705-805 Level | Inequalities

705-805 Level | Inequalities hide tags

1, 2

jusjmkol740

03 Mar 2010, 07:22

241

26

53,431

by: bumpbot

05 Nov 2024, 14:19

ER

If zt < -3, is z < 4 ? (1) z < 9 (2) t < -4

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

msand

08 Apr 2010, 13:30

35

9

16,316

by: bumpbot

17 Jan 2024, 03:40

ER

If x + y > 0, is x > |y|? (1) x > y (2) y < 0

655-705 Level | Absolute Values, Inequalities

655-705 Level | Absolute Values, Inequalities hide tags

bibha

07 May 2010, 22:05

104

7

20,774

by: bumpbot

20 Nov 2024, 12:08

ER

If m > 0 and n > 0, is (m + x)/(n + x) > m/n?

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

LM

10 May 2010, 09:32

209

16

30,782

by: bumpbot

21 Apr 2025, 20:39

ER

If -2x > 3y, is x negative? (1) y > 0 (2) 2x + 5y - 20 = 0

705-805 Level | Inequalities

705-805 Level | Inequalities hide tags

dimitri92

23 May 2010, 00:35

143

11

24,332

by: bumpbot

29 May 2025, 01:51

ER

Are positive integers p and q both greater than n ?

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

zisis

14 Jul 2010, 13:40

96

10

21,001

by: bumpbot

17 Jun 2025, 11:29

ER

Is x/3 + 3/x > 2 (1) x < 3 (2) x > 1

805+ Level | Inequalities

805+ Level | Inequalities hide tags

DenisSh

16 Jul 2010, 00:06

118

17

18,493

by: bumpbot

07 Jul 2025, 10:01

ER

If k does not equal 0, 1 or -1, is 1/k > 0 (1) 1/(k-1) > 0

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

Bull78

10 Aug 2010, 12:05

79

14

29,469

by: bumpbot

03 Jun 2025, 23:27

ER

Is x > 0 ? (1) xy > 0 (2) x + y > 0

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

Bull78

10 Aug 2010, 14:58

15

7

7,917

by: bumpbot

19 Nov 2024, 15:52

ER

If ax + b = 0, is x > 0 ? (1) a + b > 0 (2) a - b > 0

655-705 Level | Inequalities

655-705 Level | Inequalities hide tags

1, 2, 3

uzzy12

24 Aug 2010, 17:41

1,043

46

142,509

by: bumpbot

17 Jan 2025, 19:34

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

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

38,682

by: Bunuel

08 Jun 2025, 10:07

ER

Is w greater than 1? (1) w + 2 > 0 (2) w^2 > 1

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

aiming4mba

07 Sep 2010, 14:13

118

17

40,515

by: bumpbot

24 Apr 2025, 09:58

ER

If x and y are integers and x > 0, is y > 0?

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

Orange08

11 Sep 2010, 15:05

98

12

27,455

by: hgodhani

15 Feb 2025, 19:36

ER

If r, s, and w are positive numbers such that w = 60r + 80s

605-655 Level | Inequalities

605-655 Level | Inequalities hide tags

udaymathapati

12 Sep 2010, 07:25

43

6

17,540

by: bumpbot

25 Mar 2025, 09:23

ER

Is x^4 + y^4 > z^4? (1) x^2 + y^2 > z^2 (2) x + y > z

805+ Level | Inequalities

805+ Level | Inequalities hide tags

ksharma12

19 Sep 2010, 23:51

240

18

39,116

by: bumpbot

27 Apr 2025, 06:27

ER

Is x - y + 1 greater than x + y - 1 ? (1) x > 0 (2) y < 0

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

1, 2

Michmax3

30 Sep 2010, 22:11

151

27

47,633

by: bumpbot

29 Nov 2024, 00:09

ER

Is y – x positive? (1) y > 0 (2) x = 1 – y

605-655 Level | Inequalities

605-655 Level | Inequalities hide tags

satishreddy

28 Oct 2010, 17:44

54

17

17,032

by: bumpbot

24 Mar 2025, 08:43

ER

If x and y are positive. is y< 2 ? (1) x > 2y (2) x < y + 2

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

tatane90

04 Nov 2010, 15:56

107

8

17,587

by: bumpbot

09 Jun 2025, 20:09

ER

If x - y > 10, is x - y > x + y ? (1) x = 8 (2) y = -20

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

vrajesh

21 Nov 2010, 16:44

48

9

17,158

by: bumpbot

24 Mar 2025, 08:51

ER

If w + x < 0, is w - y > 0 ? (1) x + y < 0 (2) y < x < w

605-655 Level | Inequalities

605-655 Level | Inequalities hide tags

gmatbull

04 Dec 2010, 06:33

123

17

27,429

by: Shrey1

23 May 2024, 04:44

ER

The numbers x and y are not integers. The value of x is closest to whi

605-655 Level | Inequalities, Number Properties

605-655 Level | Inequalities, Number Properties hide tags

ezinis

04 Jan 2011, 13:52

152

9

28,487

by: bumpbot

25 Nov 2024, 09:15

ER

Is (x + 1)/(x - 3) < 0 ? (1) -1 < x < 1 (2) x^2 - 4 < 0

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

Lolaergasheva

11 Feb 2011, 02:57

326

18

81,333

by: bumpbot

04 Oct 2024, 06:37

ER

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

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

MHIKER

12 Apr 2011, 06:16

28

12

23,098

by: bumpbot

10 Jul 2023, 21:16

ER

Is xy > 0? (1) x - y > -2 (2) x - 2y < -6

655-705 Level | Inequalities

655-705 Level | Inequalities hide tags

1, 2

MHIKER

05 Jun 2011, 05:06

929

38

160,305

by: Bunuel

03 Feb 2025, 23:47

ER

Is m ≠ n ? (1) m + n < 0 (2) mn < 0

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

akhileshgupta05

27 Jun 2011, 21:17

106

19

28,421

by: bumpbot

13 Mar 2024, 05:04

ER

If a, b, and c are positive integers, is b between a and c?

505-555 Level | Arithmetic, Inequalities

505-555 Level | Arithmetic, Inequalities hide tags

jmehrabi

29 Jan 2012, 16:41

54

9

18,110

by: bumpbot

09 Mar 2025, 01:48

ER

On the number line, the distance between x and y is greater than the

655-705 Level | Inequalities

655-705 Level | Inequalities hide tags

jj97cornell

03 Feb 2012, 14:32

440

19

91,139

by: bumpbot

15 Apr 2025, 03:24

ER

Is x less than 20?

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

enigma123

20 Mar 2012, 09:07

94

14

43,608

by: bumpbot

16 Oct 2024, 06:58

ER

Is x + y < 1 ? (1) x < 8/9 (2) y < 1/8

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

dddmba2012

23 Mar 2012, 13:39

79

9

25,372

by: bumpbot

26 Mar 2025, 08:18

ER

If x is positive, is x > 3 ? (1) (x - 1)^2 > 4 (2) (x - 2)^2 > 9

605-655 Level | Inequalities

605-655 Level | Inequalities hide tags

1, 2

rohitgoel15

16 Apr 2012, 09:42

325

22

76,997

by: bumpbot

06 Feb 2025, 07:43

ER

Is m > k? (1) 3m > 3k (2) 2m > 2k

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

rpamecha

21 Apr 2012, 15:27

6

3

12,919

by: bumpbot

12 Jan 2023, 00:29

Data Sufficiency (DS)