GMAT Data Sufficiency (DS) Forum - Free Practice Questions

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

Bunuel

25 Oct 2022, 08:11

179

15

79,937

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

858

24

189,032

by: bumpbot

16 Sep 2025, 06:05

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DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,759

by: bb

29 Aug 2025, 13:27

ER

If x is greater than 105 percent of w, is x > 25?

605-655 (Medium) | Inequalities, Percent and Interest Problems

605-655 (Medium) | Inequalities, Percent and Interest Problems hide tags

Bunuel

29 Nov 2017, 00:33

12

8

3,024

by: bumpbot

11 May 2026, 04:50

ER

w, x, y, and z are integers. If z > y > x > w, is |w| > x^2

805+ (Hard) | Absolute Values, Inequalities

805+ (Hard) | Absolute Values, Inequalities hide tags

1, 2

enigma123

01 Dec 2011, 01:52

305

30

46,149

by: Bunuel

01 May 2026, 09:17

ER

If xФy = (2x - y)/(2y - x), where x ≠ 2y, then is a≠b > b≠a ?

805+ (Hard) | Functions and Custom Characters, Inequalities

805+ (Hard) | Functions and Custom Characters, Inequalities hide tags

gmatprep2011

16 Apr 2011, 06:28

11

5,510

by: bumpbot

30 Apr 2026, 02:40

ER

If f is the function defined by f(x) = 27x for x ≥ 0 and f(x) = x^4 fo

605-655 (Medium) | Functions and Custom Characters, Inequalities

605-655 (Medium) | Functions and Custom Characters, Inequalities hide tags

Bunuel

28 Apr 2021, 06:30

7

2,473

by: hjhhuhuhu

04 Apr 2026, 00:24

How many cards does Adam have currently?

505-555 (Easy) | Inequalities, Word Problems

505-555 (Easy) | Inequalities, Word Problems hide tags

abhiramkrishna

25 Mar 2026, 08:40

3

319

by: Archit3110

01 Apr 2026, 03:01

ER

If S is the sum of the first n positive integers, what is the value of

605-655 (Medium) | Inequalities, Statistics and Sets Problems

605-655 (Medium) | Inequalities, Statistics and Sets Problems hide tags

1, 2

abhi758

08 May 2010, 02:11

192

21

31,275

by: juliansorre

26 Mar 2026, 12:43

ER

If 20 Swiss Francs is enough to buy 9 notebooks and 3 pencils, is 40

805+ (Hard) | Inequalities, Word Problems

805+ (Hard) | Inequalities, Word Problems hide tags

1, 2

Hussain15

15 Jan 2010, 10:01

437

29

57,681

by: bumpbot

04 Mar 2026, 21:59

ER

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

555-605 (Medium) | Inequalities, Statistics and Sets Problems

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

Bunuel

25 Jun 2012, 03:03

181

14

41,130

by: totaltestprepNick

04 Mar 2026, 11:26

ER

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

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

1, 2

rohitgoel15

05 Jun 2019, 05:52

335

22

79,694

by: totaltestprepNick

01 Mar 2026, 14:18

ER

Is xy < 6 (1) x < 3 and y < 2 (2) 1/2 < x < 2/3 and y^2 < 64

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

sacmanitin

21 Sep 2019, 17:08

211

19

38,051

by: totaltestprepNick

01 Mar 2026, 14:16

ER

If x and y are positive, is x < 10 < y?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

01 Oct 2012, 05:17

165

16

43,172

by: totaltestprepNick

01 Mar 2026, 14:15

ER

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

555-605 (Medium) | Absolute Values, Inequalities

555-605 (Medium) | Absolute Values, Inequalities hide tags

DenisSh

01 Jun 2021, 03:27

533

14

67,147

by: totaltestprepNick

28 Feb 2026, 14:43

ER

Is 5^k less than 1,000? (1) 5^(k+1) > 3,000 (2) 5^(k-1) = 5^k - 500

555-605 (Medium) | Exponents, Inequalities

555-605 (Medium) | Exponents, Inequalities hide tags

Walkabout

26 Dec 2012, 04:41

320

16

43,721

by: totaltestprepNick

28 Feb 2026, 14:29

ER

If n is a positive integer, is (1/10)^n < 0.01?

555-605 (Medium) | Exponents, Inequalities

555-605 (Medium) | Exponents, Inequalities hide tags

tkaelle

16 Mar 2012, 10:04

217

18

48,820

by: totaltestprepNick

28 Feb 2026, 14:29

ER

Is 5^(x+2)/25<1 ?

Sub 505 (Easy) | Exponents, Inequalities

Sub 505 (Easy) | Exponents, Inequalities hide tags

Bunuel

25 Jun 2012, 03:07

93

11

32,659

by: totaltestprepNick

28 Feb 2026, 14:26

ER

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

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

1, 2

eddyed911

05 Feb 2011, 09:33

643

24

64,536

by: totaltestprepNick

28 Feb 2026, 09:51

ER

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

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

dimitri92

23 May 2010, 00:35

151

11

26,429

by: totaltestprepNick

28 Feb 2026, 09:46

ER

If y is greater than 110 percent of x, is y greater than 75 ?

555-605 (Medium) | Inequalities, Percent and Interest Problems

555-605 (Medium) | Inequalities, Percent and Interest Problems hide tags

1, 2

Bunuel

17 Jan 2014, 02:29

133

24

36,868

by: totaltestprepNick

28 Feb 2026, 09:45

ER

If a < x < b and c < y < d, is x < y ? (1) a < c (2) b < c

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

28 Mar 2012, 09:54

42

13

18,176

by: totaltestprepNick

28 Feb 2026, 09:43

ER

Is xy > 5? (1) 1 <= x <= 3 and 2 <= y <= 4 (2) x + y = 5

505-555 (Easy) | Algebra, Inequalities

505-555 (Easy) | Algebra, Inequalities hide tags

Bunuel

23 Jan 2014, 03:26

53

12

26,526

by: totaltestprepNick

28 Feb 2026, 09:43

ER

If n and k are positive integers, is (n + k)^(1/2) > 2n^(1/2)?

505-555 (Easy) | Inequalities, Roots

505-555 (Easy) | Inequalities, Roots hide tags

Walkabout

26 Dec 2012, 05:31

284

18

56,820

by: totaltestprepNick

28 Feb 2026, 09:20

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

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

nick_sun

20 Oct 2019, 03:21

18

6

16,852

by: totaltestprepNick

28 Feb 2026, 09:20

ER

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

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Walkabout

06 Dec 2012, 04:59

82

13

35,750

by: totaltestprepNick

28 Feb 2026, 09:19

ER

Is x a negative number? (1) 9x > 10x (2) x + 3 is positive

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

06 Aug 2012, 03:11

20

16

23,431

by: totaltestprepNick

28 Feb 2026, 09:18

ER

Is p = q? (1) p + q = 2 (2) pq > 0

555-605 (Medium) | Algebra, Inequalities

555-605 (Medium) | Algebra, Inequalities hide tags

Bunuel

26 Sep 2022, 11:03

1

4

2,279

by: iamjatinagrawal

28 Feb 2026, 03:38

ER

If x is equal to one of the numbers 1/4, 3/8, or 2/5, what is the valu

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

24 Sep 2018, 08:31

30

4

15,814

by: Adit_

25 Feb 2026, 06:15

ER

If x is an integer, is x|x|<2^x ?

Sub 505 (Easy) | Absolute Values +2 tags

Sub 505 (Easy) | Absolute Values, Algebra, Inequalities hide tags

1, 2

cucrose

17 Jan 2007, 16:27

140

26

57,230

by: poojaarora1818

24 Feb 2026, 11:32

ER

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

705-805 (Hard) | Absolute Values, Inequalities

705-805 (Hard) | Absolute Values, Inequalities hide tags

yezz

17 Oct 2019, 04:57

395

17

37,989

by: nandini14

24 Feb 2026, 07:55

ER

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

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

09 Jul 2012, 04:49

306

16

57,455

by: totaltestprepNick

23 Feb 2026, 13:19

ER

If xy 0, is x^3 + y^3 > 0 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

1, 2

Bunuel

24 Jun 2018, 11:23

351

21

46,859

by: totaltestprepNick

23 Feb 2026, 13:16

ER

Is k + m < 0 ? (1) k < 0 (2) km > 0

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

nalinnair

22 May 2016, 22:36

29

7

18,870

by: totaltestprepNick

23 Feb 2026, 13:13

ER

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

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

1, 2, 3

uzzy12

24 Aug 2010, 17:41

1.1k

47

146,109

by: crimson_noise

22 Feb 2026, 20:58

ER

Mrs. K is paid at a reduced rate for contracts completed

705-805 (Hard) | Arithmetic +2 tags

705-805 (Hard) | Arithmetic, Inequalities, Percent and Interest Problems hide tags

AbhayPrasanna

05 Feb 2026, 10:50

28

16

9,568

by: bumpbot

05 Feb 2026, 08:56

ER

If y > 0, is y greater than x ? (1) 3x = 2y (2) x + y = 5

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

19 Sep 2022, 04:56

5

2

2,443

by: JayBKK

30 Jan 2026, 06:07

ER

Is n less than 1? (1) n is less than 0.01 percent of 10,000. (2) n is

505-555 (Easy) | Inequalities, Percent and Interest Problems

505-555 (Easy) | Inequalities, Percent and Interest Problems hide tags

parkhydel

28 Apr 2020, 05:14

26

3

27,464

by: bumpbot

25 Jan 2026, 23:32

ER

If p and q are positive integers, is p > q?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

pushkarajnjadhav

22 Aug 2017, 13:33

9

3

4,261

by: bumpbot

25 Jan 2026, 00:19

ER

If r and s are negative, is r/s less than 1 ?

705-805 (Hard) | Algebra, Inequalities

705-805 (Hard) | Algebra, Inequalities hide tags

enigma123

07 Mar 2012, 16:24

29

7

6,802

by: bumpbot

25 Jan 2026, 00:04

ER

Is n negative?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

gmatpapa

19 Apr 2011, 05:54

12

8

5,542

by: bumpbot

24 Jan 2026, 23:49

ER

((x+y+1)/(x+y))((x+z+2)/(x+z))((x+w+3)/(x+w))>8?

805+ (Hard) | Algebra, Inequalities

805+ (Hard) | Algebra, Inequalities hide tags

fskilnik

26 Mar 2019, 10:15

6

2

1,570

by: bumpbot

23 Jan 2026, 23:16

ER

If x^3(x^2+y^2)=z^2, is xyz=0?

705-805 (Hard) | Algebra, Inequalities

705-805 (Hard) | Algebra, Inequalities hide tags

fskilnik

25 Feb 2019, 16:03

4

2

1,691

by: bumpbot

23 Jan 2026, 22:49

ER

If x is an integer, what is the value of x? (1) x^2 - 4x + 3

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

1, 2

dimitri92

04 Aug 2012, 00:59

969

25

102,702

by: bumpbot

23 Jan 2026, 08:22

ER

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

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

MathRevolution

21 Mar 2016, 04:31

36

15

13,480

by: egmat

22 Jan 2026, 23:23

ER

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

555-605 (Medium) | Absolute Values, Inequalities

555-605 (Medium) | Absolute Values, Inequalities hide tags

Carcass

01 Nov 2018, 03:30

47

5

13,000

by: egmat

22 Jan 2026, 04:34

ER

Is x < y^2 ?

705-805 (Hard) | Absolute Values +2 tags

705-805 (Hard) | Absolute Values, Inequalities, Number Properties hide tags

RonPurewal

25 Jul 2017, 00:50

27

7

4,074

by: bumpbot

18 Jan 2026, 01:46

ER

Is x^5 > x^4? (1) x^3 > x (2) 1/x < x

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

1, 2

aadikamagic

03 Oct 2022, 05:10

154

25

20,492

by: Bunuel

18 Jan 2026, 01:45

ER

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

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

1, 2

Walkabout

16 Jun 2021, 10:08

605

32

98,222

by: bumpbot

17 Jan 2026, 07:17

ER

Is x > 10^10 ? (1) x > 2^34 (2) x = 2^35

605-655 (Medium) | Exponents, Inequalities

605-655 (Medium) | Exponents, Inequalities hide tags

1, 2

dvinoth86

20 Feb 2012, 18:55

317

28

51,320

by: bumpbot

16 Jan 2026, 08:55

ER

P, Q, R, S, X, Y are real numbers such that P < X < Q and R < Y < S.

705-805 (Hard) | Algebra, Inequalities

705-805 (Hard) | Algebra, Inequalities hide tags

amanvermagmat

21 Jun 2018, 21:59

8

3

1,746

by: bumpbot

13 Jan 2026, 23:57

ER

Are negative integers s and t both less than t? 1) s < r+t 2)[m][fract

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

GMATBusters

21 May 2018, 09:04

8

9

2,148

by: bumpbot

13 Jan 2026, 00:50

ER

If n is an integer, xy does not equal zero, and x^n = y^n, what is

705-805 (Hard) | Exponents, Inequalities

705-805 (Hard) | Exponents, Inequalities hide tags

Bunuel

10 Jun 2018, 05:19

11

4

3,226

by: bumpbot

13 Jan 2026, 00:38