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

78,761

by: thisisakr

16 Apr 2026, 11:46

ER

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 xy < zy < 0, is y positive? 1. x < z 2. x is negative

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

shasadou

08 Jan 2016, 09:41

62

16

15,574

by: jamiedimonn

16 Dec 2024, 05:54

ER

If m, n, and p are integers, is m + n odd?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

ichauhan.gaurav

26 Jun 2013, 09:33

62

15

20,821

by: bumpbot

02 Jan 2025, 10:45

ER

Hollywood starlets Ashlee and Britnee each has an entourage

705-805 (Hard) | Combinations

705-805 (Hard) | Combinations hide tags

RohitKalla

22 Jul 2011, 11:40

62

8

9,978

by: bumpbot

20 Feb 2025, 09:39

ER

State X has a sales tax rate of k percent on all purchases and State Y

555-605 (Medium) | Percent and Interest Problems

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

gmatt1476

21 Sep 2019, 16:40

62

9

13,969

by: Bunuel

13 Apr 2025, 06:28

ER

How many gallons of water should be added to make the

805+ (Hard) | Mixture Problems

805+ (Hard) | Mixture Problems hide tags

MichelleSavina

22 Jan 2011, 09:33

62

17

12,623

by: bumpbot

27 Apr 2025, 01:26

ER

If x and y are positive, is x^3 > y? (1) x^(1/2) > y (2) x > y

655-705 (Hard) | Exponents +2 tags

655-705 (Hard) | Exponents, Inequalities, Roots hide tags

udaymathapati

25 Jan 2022, 05:38

62

10

17,608

by: bumpbot

21 May 2025, 11:36

ER

For Manufacturer M, the cost C of producing X units of its

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

anandsebastin

01 Jul 2013, 22:51

62

12

25,756

by: bumpbot

30 May 2025, 09:23

ER

In the xy-coordinate system, do any points on line k lie in quadrant I

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

enigma123

15 Feb 2012, 17:10

62

14

18,289

by: bumpbot

02 Jun 2025, 07:45

ER

In the figure above, what is the perimeter of ΔPQR ?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

gmatt1476

21 Sep 2019, 18:40

62

6

15,304

by: bumpbot

19 Jul 2025, 01:46

ER

If a and b are positive itegers, what is the value of a + b?

505-555 (Easy) | Multiples and Factors, Number Properties

505-555 (Easy) | Multiples and Factors, Number Properties hide tags

Stiv

02 Jul 2012, 03:47

62

8

16,278

by: bumpbot

19 Jul 2025, 15:43

ER

A store sells two types of birdfeeder: Alphas and Bravos.

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Maxswe

09 Dec 2012, 13:38

62

11

8,286

by: wang3022

29 Jul 2025, 02:11

ER

a, b, c, and d are positive integers. If (a + b)(c d) = r, where

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

sambam

16 Jan 2013, 14:31

62

11

18,242

by: bumpbot

30 Jul 2025, 15:09

ER

Integers x and y are both positive, and x > y. How many different com

705-805 (Hard) | Combinations

705-805 (Hard) | Combinations hide tags

Bunuel

07 May 2015, 03:18

62

7

10,505

by: bumpbot

09 Sep 2025, 18:34

ER

If m and n are positive integers, is root (n-m) an integer?

505-555 (Easy) | Roots

505-555 (Easy) | Roots hide tags

RSOHAL

21 Dec 2015, 10:51

62

4

14,694

by: bumpbot

23 Sep 2025, 21:37

ER

12 Days of Christmas GMAT Competition 2025 - Day 3: An inspection cart

605-655 (Medium) | Distance and Speed Problems

605-655 (Medium) | Distance and Speed Problems hide tags

1, 2, 3, 4

Bunuel

17 Dec 2025, 09:00

62

65

1,850

by: ravi1522

18 Dec 2025, 08:52

ER

Economists work with supply and demand curves that show the price P

655-705 (Hard) | Coordinate Plane, Word Problems

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

Fish181

07 Apr 2024, 11:03

62

6

12,357

by: bumpbot

01 Jan 2026, 07:50

ER

What is the value of the integer p ?

Sub 505 (Easy) | Multiples and Factors, Number Properties

Sub 505 (Easy) | Multiples and Factors, Number Properties hide tags

Bunuel

14 Jun 2012, 03:04

62

15

51,240

by: totaltestprepNick

23 Feb 2026, 13:04

ER

If r, s, and t are nonzero integers, is r^5*s^3*t^4 negative

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

07 Jan 2014, 05:20

62

8

25,785

by: totaltestprepNick

23 Feb 2026, 13:15

ER

Water is pumped into a partially filled tank at a constant

Sub 505 (Easy) | Work and Rate Problems

Sub 505 (Easy) | Work and Rate Problems hide tags

Bunuel

06 Aug 2012, 03:09

62

7

39,561

by: totaltestprepNick

03 Mar 2026, 09:26

ER

An employee is paid 1.5 times the regular hourly rate for

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Walkabout

14 Dec 2012, 05:09

62

6

30,385

by: totaltestprepNick

03 Mar 2026, 10:06

ER

At the same time Sue began rolling a wheelbarrow from X to Y, Nancy

605-655 (Medium) | Distance and Speed Problems

605-655 (Medium) | Distance and Speed Problems hide tags

Bunuel

05 Jun 2015, 06:10

62

10

12,734

by: pappal

16 Apr 2026, 12:49

ER

Given k is a nonzero integer, is k > 0 ?

805+ (Hard) | Absolute Values, Inequalities

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

AkshdeepS

18 Sep 2016, 23:57

63

8

6,885

by: bumpbot

19 May 2021, 18:07

ER

Does the curve y=b(x-2)^2+c lie completely above the x-axis?

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

DHAR

31 Jul 2017, 11:47

63

12

9,880

by: bumpbot

25 May 2023, 00:37

ER

If 3^a*4^b = c, what is the value of b? (1) 5^a = 25 (2) c = 36

655-705 (Hard) | Algebra, Exponents

655-705 (Hard) | Algebra, Exponents hide tags

nusmavrik

10 Dec 2010, 01:00

63

16

13,448

by: bumpbot

20 Jun 2023, 06:36

ER

Is the sum of four particular integers even? (1) Two of the integers

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

26 Apr 2019, 02:01

63

11

20,049

by: bumpbot

30 Nov 2023, 07:39

ER

What is the three-digit number abc, given that a, b, and c

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

enigma123

23 May 2013, 04:47

63

8

25,486

by: bumpbot

20 Jul 2024, 06:44

ER

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

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

tejal777

16 Oct 2019, 05:52

63

13

27,893

by: bumpbot

19 Oct 2024, 09:19

ER

At a particular moment, a restaurant has x biscuits and y

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

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

Stiv

12 May 2012, 03:49

63

11

13,798

by: bumpbot

19 Oct 2024, 19:38

ER

Triangle ABC is inscribed in a rectangle ABEF forming two right triang

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

EgmatQuantExpert

28 Feb 2017, 03:58

63

15

7,345

by: bumpbot

23 Oct 2024, 05:52

ER

If x(x - 5)(x + 2) = 0, is x negative?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

vaivish1723

17 Jan 2010, 10:43

63

7

22,043

by: bumpbot

21 Nov 2024, 00:23

ER

If the three-digit integer x=”abc”, where a, b, and c

555-605 (Medium) | Fractions and Ratios

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

BDSunDevil

04 May 2012, 07:21

63

9

13,457

by: bumpbot

25 Jan 2025, 03:36

ER

What is the value of integer z?

655-705 (Hard) | Number Properties, Remainders

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

Bunuel

09 Feb 2015, 06:30

63

19

12,868

by: Bunuel

29 Jan 2025, 00:23

ER

Is k the square of an integer?

555-605 (Medium) | Algebra, Number Properties

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

jsphcal

05 Sep 2017, 01:08

63

8

13,101

by: bumpbot

25 Feb 2025, 09:44

ER

If a and b are consecutive positive integers, and ab = 30x

705-805 (Hard) | Multiples and Factors

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

Maxirosario2012

30 Nov 2013, 19:37

63

7

9,034

by: bumpbot

23 Mar 2025, 07:46

ER

Is p^2q > pq^2? (1) pq < 0 (2) p < 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Manhnip

18 May 2021, 10:50

63

16

21,000

by: bumpbot

16 Apr 2025, 01:47

ER

Is x > 0? (1) |x + 3| = 4x – 3 (2) |x + 1| = 2x – 1

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

yezz

15 Aug 2009, 14:48

63

10

14,413

by: bumpbot

15 Jun 2025, 22:44

ER

What was the median of the daily numbers of phone calls received at a

505-555 (Easy) | Statistics and Sets Problems

505-555 (Easy) | Statistics and Sets Problems hide tags

houston1980

01 Jul 2023, 09:44

63

3

16,150

by: bumpbot

20 Jul 2025, 09:18

ER

Given that a, b, c, and, d are non-negative integers, is the

655-705 (Hard) | Algebra, Number Properties

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

enigma123

09 May 2020, 12:09

63

12

17,119

by: bumpbot

21 Jul 2025, 02:09

ER

At a charity fundraiser, 180 of the guests had a house both

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

calreg11

20 Apr 2012, 17:36

63

19

27,654

by: bumpbot

09 Aug 2025, 01:02

ER

Is n(n+1)(n+2) divisible by 24?

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

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

PrepTap

07 May 2015, 00:08

63

10

17,592

by: bumpbot

21 Aug 2025, 12:08

ER

At a certain fruit stand, oranges cost $0.35 each and grapefruits cost

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

najanapat

22 Feb 2024, 15:10

63

6

12,109

by: bumpbot

06 Sep 2025, 19:51

ER

If xy 0, is x^y > 0 ?

655-705 (Hard) | Exponents +2 tags

655-705 (Hard) | Exponents, Inequalities, Roots hide tags

Bunuel

20 Jul 2014, 11:23

63

11

11,919

by: bumpbot

16 Sep 2025, 06:24

ER

If Pei ordered a total of 63 bottles of cola, root beer, and ginger

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

NoHalfMeasures

04 Jun 2014, 23:30

63

6

17,330

by: egmat

24 Sep 2025, 00:53

ER

In what ratio should Solution 1 and Solution 2 be mixed to

555-605 (Medium) | Mixture Problems

555-605 (Medium) | Mixture Problems hide tags

udaymathapati

31 Oct 2010, 05:20

63

11

17,010

by: bumpbot

05 Oct 2025, 10:38

ER

Two friends, X and Y start from two points M and N and move towards

705-805 (Hard) | Distance and Speed Problems

705-805 (Hard) | Distance and Speed Problems hide tags

1, 2

Bunuel

06 Jul 2017, 02:33

63

20

10,074

by: bumpbot

20 Nov 2025, 06:15

ER

In a gas sample, there are, rounded to the nearest order of magnitude

805+ (Hard) | Exponents, Word Problems

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

guddo

31 May 2025, 15:58

63

8

3,667

by: Bunuel

17 Jan 2026, 00:15

ER

A certain ride has 60 people standing in line awaiting admission. If

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

Bunuel

22 Mar 2017, 10:37

63

9

7,875

by: bumpbot

05 Feb 2026, 08:02

ER

40% of the dogs at a certain animal shelter have been microchipped. Ho

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

18 Jul 2019, 08:00

64

4

4,508

by: Mizar18

18 Jul 2019, 20:05

ER

Given that R is positive three-digit integer, what is the

805+ (Hard) | Fractions and Ratios

805+ (Hard) | Fractions and Ratios hide tags

kannn

22 Nov 2011, 03:04

64

17

11,603

by: bumpbot

10 Dec 2022, 07:21

ER

A trapezoid is symmetrical about a vertical center line. If

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

AbhiJ

27 Apr 2012, 12:26

64

18

12,427

by: bumpbot

24 Aug 2023, 02:26