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

176

15

78,762

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

856

24

188,548

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

487,977

by: bb

29 Aug 2025, 13:27

ER

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

555-605 (Medium) | Inequalities, Number Properties

555-605 (Medium) | Inequalities, Number Properties hide tags

gayathri

09 Oct 2013, 08:17

68

12

20,713

by: bumpbot

22 May 2024, 04:05

ER

If cb < ab < 0, is |c - a| = |c| - |a|?

705-805 (Hard) | Absolute Values, Inequalities

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

Bunuel

01 Jul 2019, 08:00

68

12

10,418

by: bumpbot

29 May 2024, 08:43

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If the integer y > 6, is x^3y > 56? (1) 4 < x^2 ≤ 9 (2) x^3 + x > x^3

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

18 Mar 2020, 10:41

11

12

3,897

by: bumpbot

31 May 2024, 12:17

ER

If x^2y=z^3, is z^3 > 0?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Mbawarrior01

18 Nov 2016, 00:07

76

12

27,175

by: Bunuel

02 Jun 2024, 13:37

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If f(x) = 100 - x^2, is f(a) > f(b)? (1) a^2 > b^2 (2) a/b > 1

605-655 (Medium) | Algebra +2 tags

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

kiran120680

06 Mar 2019, 21:34

29

12

8,143

by: bumpbot

10 Jun 2024, 05:24

ER

If x represents the number of positive factors of integer y, is x odd

655-705 (Hard) | Multiples and Factors

655-705 (Hard) | Multiples and Factors hide tags

aadikamagic

02 Oct 2014, 20:39

123

12

19,065

by: bumpbot

23 Jun 2024, 23:40

ER

If k is a positive integer and m is the product of the first 40 positi

605-655 (Medium) | Exponents +2 tags

605-655 (Medium) | Exponents, Multiples and Factors, Number Properties hide tags

Bunuel

10 Jul 2018, 21:37

20

12

4,538

by: bumpbot

30 Jun 2024, 22:59

ER

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

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

03 Sep 2019, 23:01

7

12

4,510

by: bumpbot

08 Jul 2024, 17:04

ER

If y is a positive integer is root(y) an integer?

605-655 (Medium) | Number Properties, Roots

605-655 (Medium) | Number Properties, Roots hide tags

rxs0005

26 Jan 2011, 06:17

76

12

15,284

by: bumpbot

21 Jul 2024, 06:18

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For real numbers, A, B, C, and D on the number line

805+ (Hard) | Absolute Values +2 tags

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

idinuv

04 Jan 2014, 23:57

74

12

10,805

by: bumpbot

10 Aug 2024, 01:17

ER

If x and y are integers such that x < y < 0 what is x - y?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

shawndx

08 Mar 2012, 22:04

59

12

24,604

by: bumpbot

16 Aug 2024, 05:07

ER

Is 3x+7y an integer?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Anasayaydah

03 Nov 2019, 19:13

8

12

3,084

by: bumpbot

18 Aug 2024, 01:18

ER

A committee of 2 people is to be formed from a group of 8

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

MichelleSavina

22 Jan 2011, 03:06

118

12

24,013

by: bumpbot

29 Aug 2024, 21:17

ER

If x and y are both integers greater than 1, is xy>100 ?

805+ (Hard) | Multiples and Factors, Number Properties

805+ (Hard) | Multiples and Factors, Number Properties hide tags

Bunuel

26 Jul 2018, 21:12

85

12

11,613

by: bumpbot

06 Sep 2024, 09:59

ER

At a certain wedding, the bar served only beer and wine. If 320 people

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

shasadou

12 Sep 2015, 12:30

40

12

10,823

by: bumpbot

19 Sep 2024, 02:36

ER

In a taste test conducted for coffee brands X and Y, if each of the 1,

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

02 Oct 2015, 01:43

12

9,642

by: bumpbot

23 Sep 2024, 08:17

ER

If x and y are positive integers, is the product xy even ?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

krishan

29 Jan 2009, 05:47

131

12

45,210

by: bumpbot

24 Sep 2024, 11:59

ER

The ages of all children in Group A are the same, and the ages of all

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

22 Aug 2019, 07:09

4

12

2,657

by: bumpbot

25 Sep 2024, 06:21

ER

If m is divisible by 3, how many prime factors does m have?

705-805 (Hard) | Multiples and Factors, Number Properties

705-805 (Hard) | Multiples and Factors, Number Properties hide tags

LM

26 Jan 2012, 06:36

15

12

7,593

by: bumpbot

28 Sep 2024, 07:42

ER

If the sum of the digits of the positive two-digit number x is 4, what

555-605 (Medium) | Arithmetic, Fractions and Ratios

555-605 (Medium) | Arithmetic, Fractions and Ratios hide tags

enigma123

18 Dec 2017, 23:52

26

12

21,876

by: bumpbot

02 Oct 2024, 04:49

ER

Is (a - k)/(b - k) > (a + k)/(b + k) ? (1) a > b > k (2) k > 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

bagdbmba

31 Jul 2013, 10:50

33

12

7,064

by: bumpbot

07 Oct 2024, 20:22

ER

If x and y are positive integers, is (2 + x)/(3 + y) greater

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

fozzzy

04 May 2017, 04:07

90

12

22,005

by: bumpbot

09 Oct 2024, 19:03

ER

The product of integers a, b, c, and d is 120. What is the value of in

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Bunuel

17 Sep 2015, 01:16

16

12

5,300

by: bumpbot

10 Oct 2024, 09:45

ER

If n is an integer, is n + 1 odd?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

30 Jul 2012, 02:15

23

12

41,959

by: bumpbot

18 Oct 2024, 02:04

ER

If xy + z = z, is |x - y| > 0 ? (1) x ≠ 0 (2) y = 0

555-605 (Medium) | Absolute Values, Inequalities

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

zaarathelab

01 Jan 2018, 02:27

100

12

20,411

by: bumpbot

22 Oct 2024, 10:42

ER

Is quadrilateral ABCD a parallelogram? (1) AC = BD

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

DHAR

07 Mar 2023, 08:12

25

12

8,340

by: bumpbot

23 Oct 2024, 04:49

ER

What is the mode of the list above?

655-705 (Hard) | Statistics and Sets Problems

655-705 (Hard) | Statistics and Sets Problems hide tags

Bunuel

20 Aug 2018, 04:35

28

12

5,610

by: bumpbot

23 Oct 2024, 11:13

ER

In the xy-coordinate plane, line A is defined by the equation j*x-y=-7

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

Tornikea

01 Sep 2015, 08:30

162

12

15,578

by: bumpbot

27 Oct 2024, 01:26

ER

Is mn<10?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Srav

11 Oct 2015, 00:23

64

12

13,840

by: bumpbot

29 Oct 2024, 23:17

ER

There were initially no black marbles in a jar. Subsequently

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

marcodonzelli

29 Nov 2012, 04:11

37

12

15,960

by: bumpbot

07 Nov 2024, 05:45

ER

Is a even? (1) 2a is even. (2) a^(1/2) is even.

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

cyberjadugar

28 May 2023, 11:29

24

12

8,705

by: bumpbot

24 Nov 2024, 00:47

ER

Working together at their constant rates, A and B can fill

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

ksharma12

09 Nov 2012, 05:16

71

12

17,179

by: bumpbot

29 Nov 2024, 11:05

ER

Lines m and n lie in the xy-plane and intersect at the point (-2; 4).

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

dreambeliever

30 Nov 2011, 21:37

93

12

19,292

by: bumpbot

30 Nov 2024, 04:01

ER

A museum sold 30 tickets on Saturday. Some of the tickets

655-705 (Hard) | Inequalities, Word Problems

655-705 (Hard) | Inequalities, Word Problems hide tags

BDSunDevil

11 Jun 2012, 08:14

31

12

12,153

by: bumpbot

30 Nov 2024, 23:06

ER

What is the remainder when the positive integer x is divided

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

ricokevin

06 Sep 2014, 09:04

88

12

34,674

by: bumpbot

01 Dec 2024, 23:02

ER

Is the product of a and b equal to 1?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

02 Oct 2019, 05:42

42

12

12,682

by: bumpbot

07 Dec 2024, 05:24

ER

How many different factors does the integer n have?

555-605 (Medium) | Multiples and Factors, Number Properties

555-605 (Medium) | Multiples and Factors, Number Properties hide tags

sagarsabnis

27 Jul 2015, 08:44

48

12

14,239

by: bumpbot

13 Dec 2024, 03:05

ER

An empty swimming pool with a capacity of 100,000 liters is to be fill

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

bipolarbear

14 Aug 2009, 21:08

20

12

10,174

by: zjhon

14 Dec 2024, 14:57

ER

How likely is a bird to be classified as positive?

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Anichka

16 Nov 2012, 01:56

12

7,976

by: bumpbot

20 Dec 2024, 00:15

ER

12 Days of Christmas GMAT Competition - Day 8: The parking fee at

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

25 Dec 2024, 09:00

38

12

3,487

by: IssacChan

26 Dec 2024, 05:37

ER

If x and y are prime numbers, is x(y + 3) odd? (1) x < 3 (2) y > 33

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

29 Nov 2018, 02:26

9

12

4,730

by: bumpbot

29 Dec 2024, 10:30

ER

If x 1, what is the value of (-|x| - 1)/(x - 1) ?

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

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

Bunuel

14 May 2018, 01:08

68

12

9,341

by: bumpbot

01 Jan 2025, 20:03

ER

If it takes 3.5 hours for Mathew to row a distance of X miles up the

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

Bunuel

29 Dec 2019, 12:17

22

12

5,852

by: bumpbot

07 Jan 2025, 04:18

ER

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

555-605 (Medium) | Absolute Values, Inequalities

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

Nanobotstv

26 Sep 2016, 20:03

40

12

15,210

by: bumpbot

12 Jan 2025, 09:46

ER

A pumpkin patch contains x pumpkins that weigh 10 pounds each and y

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

24 Jul 2015, 00:52

19

12

8,479

by: bumpbot

14 Jan 2025, 08:20

ER

Is m < 0? (1) -m = |-m| (2) m^2 = 9

655-705 (Hard) | Absolute Values, Inequalities

655-705 (Hard) | Absolute Values, Inequalities hide tags

seekmba

26 Oct 2023, 09:18

109

12

24,585

by: bumpbot

23 Jan 2025, 12:59

ER

If j and k are integers and jk = 12, what is the value of k ?

655-705 (Hard) | Arithmetic, Number Properties

655-705 (Hard) | Arithmetic, Number Properties hide tags

archit25

05 Sep 2015, 04:17

27

12

13,234

by: bumpbot

28 Jan 2025, 10:29

ER

For positive integers p and q, p/q when expressed as a decimal, is a t

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

GMATBusters

13 Oct 2018, 10:14

12

3,138

by: bumpbot

31 Jan 2025, 10:29

ER

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

555-605 (Medium) | Algebra, Roots

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

broilerc

05 May 2016, 08:41

223

12

46,971

by: bumpbot

03 Feb 2025, 05:46

ER

Is x^2 greater than x? (1) x^2 is greater than 1 (2) x is greater than

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

26 Jan 2022, 05:58

138

12

42,977

by: ShreyashGupta188

05 Feb 2025, 06:20