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

78,738

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

188,532

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

487,953

by: bb

29 Aug 2025, 13:27

ER

When 55 is divided by 3x the remainder is 2x. What is the value of x?

705-805 (Hard) | Number Properties, Remainders

705-805 (Hard) | Number Properties, Remainders hide tags

1, 2

Bunuel

23 Jan 2015, 07:36

54

23

10,703

by: bumpbot

07 Jan 2022, 12:26

ER

If p and q are negative, is p/q > 1

805+ (Hard) | Absolute Values, Inequalities

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

rxs0005

07 Feb 2011, 07:08

54

13

17,129

by: bumpbot

27 Nov 2022, 09:10

ER

Is ABCD rectangular

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

1, 2

skamal7

20 Jul 2013, 09:46

54

22

11,380

by: bumpbot

05 Feb 2023, 00:14

ER

Two cars start moving simultaneously in different directions from poin

805+ (Hard) | Distance and Speed Problems

805+ (Hard) | Distance and Speed Problems hide tags

desaichinmay22

08 Dec 2014, 06:16

54

12

9,389

by: bumpbot

06 May 2023, 12:28

ER

For the four-digit number ABCD , where A, B, C, and D all

805+ (Hard) | Arithmetic, Number Properties

805+ (Hard) | Arithmetic, Number Properties hide tags

fluke

15 May 2011, 15:01

54

12

13,399

by: bumpbot

02 Aug 2023, 07:38

ER

Circle C is in the xy-plane, what is the area of the circle?

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

jitendra

25 Aug 2010, 04:46

54

11

10,854

by: bumpbot

08 Sep 2023, 08:05

ER

Is line y = kx + b tangent to circle x^2 + y^2 = 1 ?

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

manulath

06 Jun 2012, 11:33

54

9

13,946

by: bumpbot

12 Oct 2023, 02:04

ER

Is p > q (1) 2p/3 < 3q/8 (2) 7p/11 < 4q/5

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

ShankSouljaBoi

15 Aug 2020, 20:07

54

6

7,482

by: Bunuel

08 Dec 2023, 00:52

ER

What is the distance between a and b on the number line?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

Bunuel

01 Apr 2012, 01:51

54

18

28,397

by: bumpbot

20 Dec 2023, 03:35

ER

If x is a positive three-digit integar what is the tens digit of x

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

HarveyKlaus

14 Aug 2016, 11:10

54

14

17,434

by: bumpbot

19 Jan 2024, 08:08

ER

For positive integers n and m (n>m), is the average (arithmetic mean)

805+ (Hard) | Number Properties, Statistics and Sets Problems

805+ (Hard) | Number Properties, Statistics and Sets Problems hide tags

BillyZ

25 Mar 2017, 15:41

54

8

7,759

by: bumpbot

25 Aug 2024, 22:26

ER

What is the value of prime number p ? (1) p+8 is prime.

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

BillyZ

07 Feb 2017, 18:57

54

13

7,394

by: bumpbot

24 Sep 2024, 00:34

ER

If n is an integer, is n even?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

26 Aug 2012, 03:12

54

9

36,777

by: bumpbot

18 Oct 2024, 02:05

ER

In the figure above, the shaded region represents the front of an upri

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

gmatt1476

21 Sep 2019, 18:44

54

11

13,738

by: bumpbot

21 Oct 2024, 20:58

ER

In the figure above, is quadrilateral PQRS a parallelogram?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

gluon

21 Jul 2015, 03:04

54

10

24,374

by: bumpbot

23 Oct 2024, 04:52

If x and y are non zero numbers less than 1 is (y^4 - x^4)>(y^3 - x^5)

805+ (Hard) | Absolute Values, Inequalities

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

a70

14 Aug 2018, 04:16

54

11

8,175

by: bumpbot

26 Oct 2024, 01:26

ER

Is |x y| < |x| + |y|?

655-705 (Hard) | Absolute Values, Inequalities

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

venmic

08 Aug 2012, 22:08

54

15

9,693

by: bumpbot

13 Dec 2024, 04:13

ER

12 Days of Christmas GMAT Competition - Day 8: A certain five-letter

805+ (Hard) | Combinations

805+ (Hard) | Combinations hide tags

1, 2, 3

Bunuel

25 Dec 2024, 09:00

54

58

3,177

by: prashantthawrani

26 Dec 2024, 08:52

ER

What is the value of integer z?

655-705 (Hard) | Multiples and Factors +2 tags

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

Bunuel

08 Apr 2015, 04:52

54

14

8,698

by: bumpbot

08 Mar 2025, 12:25

ER

2/3 of all the people who attended a certain party arrived by 8:00 PM.

555-605 (Medium) | Fractions and Ratios

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

shasadou

10 Nov 2015, 12:00

54

9

15,580

by: bumpbot

10 Mar 2025, 18:00

ER

If b is the product of three consecutive positive integers c

555-605 (Medium) | Multiples and Factors

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

milind1979

18 Apr 2009, 20:43

54

15

21,338

by: bumpbot

09 Jun 2025, 20:13

ER

How many hours did it take Dale to drive from A-town to B-town?

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

shrive555

20 Dec 2011, 07:47

54

8

16,399

by: bumpbot

24 Jun 2025, 22:06

ER

What was the percentage change in the simple average profit per car

555-605 (Medium) | Percent and Interest Problems

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

amathews

14 Apr 2017, 17:52

54

7

9,861

by: Nipunh

11 Jul 2025, 21:17

ER

If m, n, and p are three-digit integers and m + n = p

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

monsama

25 Aug 2014, 03:42

54

15

11,267

by: bumpbot

17 Jul 2025, 03:06

ER

There is a set of consecutive even integers. What is the

605-655 (Medium) | Statistics and Sets Problems

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

Jinglander

10 Aug 2010, 08:20

54

10

10,330

by: bumpbot

25 Jul 2025, 11:43

ER

What is the probability of selecting a clean number from a s

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

1, 2

GMATT73

26 Oct 2005, 07:52

54

22

26,106

by: bumpbot

29 Aug 2025, 22:16

ER

Is zw positive? (1) z + w^3 = 20 (2) z is positive

Sub 505 (Easy) | Algebra, Inequalities

Sub 505 (Easy) | Algebra, Inequalities hide tags

Bunuel

06 Oct 2016, 05:12

54

11

21,377

by: bumpbot

25 Sep 2025, 20:42

ER

If Jack’s and Kate’s annual salaries in 1985 were each 10 percent high

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

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

RSOHAL

20 Dec 2015, 19:29

54

11

21,700

by: bumpbot

27 Sep 2025, 08:45

ER

If the average (arithmetic mean) of 4 numbers is 50, how man

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

20 Feb 2014, 01:11

54

7

27,339

by: bumpbot

28 Sep 2025, 16:11

ER

In the 30-day month of June, a motorcycle dealership sold a

705-805 (Hard) | Min-Max Problems, Word Problems

705-805 (Hard) | Min-Max Problems, Word Problems hide tags

dheeraj24

03 Jul 2014, 00:30

54

8

7,637

by: bumpbot

09 Oct 2025, 12:18

Out of total 36 students in a class, what percent of students passed

805+ (Hard) | Arithmetic, Min-Max Problems

805+ (Hard) | Arithmetic, Min-Max Problems hide tags

amanvermagmat

20 May 2018, 11:24

54

6

5,905

by: bumpbot

13 Dec 2025, 06:58

ER

If x and y are positive integers, is x an even integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

udaymathapati

08 Mar 2011, 13:18

54

6

14,125

by: bumpbot

28 Dec 2025, 04:06

ER

If f(x) and g(x) are two functions, what is the value of g(2)?

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

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

Bunuel

10 Jul 2017, 04:37

54

8

8,093

by: bumpbot

28 Jan 2026, 02:06

ER

Marcia's bucket can hold a maximum of how many liters of wat

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Walkabout

26 Dec 2012, 06:03

54

11

24,166

by: totaltestprepNick

25 Feb 2026, 15:29

ER

If a, b, and c are positive numbers such that a is b percent

605-655 (Medium) | Percent and Interest Problems

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

kingflo

20 Jul 2013, 07:08

54

7

25,626

by: bumpbot

09 Mar 2026, 03:10

ER

GMAT Club Olympics 2024 (Day 9): Train A and Train B each departed

655-705 (Hard) | Distance and Speed Problems

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

1, 2, 3, 4

Bunuel

18 Jul 2024, 07:00

54

73

6,792

by: bumpbot

14 Mar 2026, 03:55

ER

Printing presses, Press A and Press B, are used to print the daily edi

555-605 (Medium) | Work and Rate Problems

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

gmatophobia

30 Dec 2023, 02:05

54

5

11,368

by: bumpbot

20 Mar 2026, 06:58

ER

What is the value of the integer n? (1) n(n + 2) = 15 (2) (n

555-605 (Medium) | Algebra, Exponents

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

ajit257

10 Jul 2013, 01:54

55

7

35,695

by: akshayk

14 Jul 2017, 12:41

ER

If a, b and c are integers and a < b < c. Are a, b, c consecutive

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

stonecold

17 Aug 2016, 07:26

55

5

14,234

by: Bunuel

19 Nov 2017, 23:33

Triangles ABC and DEF are similar right triangles. If the hypotenuse

805+ (Hard) | Algebra, Geometry

805+ (Hard) | Algebra, Geometry hide tags

giobas

01 Mar 2017, 11:41

55

6

9,794

by: gmatophobia

18 Nov 2022, 23:08

ER

In the figure above, QRS is a straight line and QR = PR. Is

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

JJ2014

06 Mar 2023, 00:11

55

7

21,049

by: bumpbot

20 Jan 2023, 07:38

ER

The two-digit positive integer s is the sum of the two-digit positive

805+ (Hard) | Arithmetic

805+ (Hard) | Arithmetic hide tags

Evaaaaaa

18 Dec 2017, 23:50

55

9

8,131

by: bumpbot

22 Jan 2023, 01:23

ER

Is the slope of Line 1 positive?

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

26 Feb 2015, 06:40

55

12

10,433

by: bumpbot

28 Mar 2023, 04:37

ER

If the vertices of a triangle have coordinates (x,1), (5,1)

705-805 (Hard) | Coordinate Plane, Geometry

705-805 (Hard) | Coordinate Plane, Geometry hide tags

slingfox

22 Apr 2012, 02:22

55

5

16,018

by: bumpbot

09 May 2023, 12:59

ER

For the triangle shown, where A, B and C are all points on a circle

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

1, 2

enigma123

14 Jul 2021, 13:00

55

23

36,095

by: bumpbot

29 Jul 2023, 23:26

ER

If mn ≠ 0, is m > n? (1) 1/m < 1/n (2) m^2 > n^2

705-805 (Hard) | Inequalities, Number Properties

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

BillyZ

22 May 2017, 08:35

55

13

13,679

by: bumpbot

02 Sep 2023, 10:08

ER

What is the circumference of the circle above with center O?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Walkabout

26 Dec 2012, 04:59

55

11

26,054

by: bumpbot

15 Oct 2023, 10:09

ER

Of all the houses on Kermit Lane, 20 have front porches, 20

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

LalaB

09 Oct 2013, 03:29

55

11

22,667

by: bumpbot

23 Sep 2024, 09:48

ER

In the number 13,52#,@ and # represent distinct digits.

805+ (Hard) | Arithmetic, Multiples and Factors

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

godot53

10 Apr 2017, 06:03

55

4

7,246

by: bumpbot

02 Oct 2024, 13:49

ER

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

505-555 (Easy) | Arithmetic, Inequalities

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

jmehrabi

29 Jan 2012, 16:41

55

9

19,073

by: bumpbot

09 Mar 2025, 01:48