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

183

15

83,634

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of May 2026

1, 2

Bunuel

01 Jan 2026, 05:45

862

24

191,716

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

491,677

by: bb

29 Aug 2025, 13:27

What is the difference between the lengths of diagonals of

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

bmwhype2

15 Nov 2007, 08:43

48

14

12,672

by: bumpbot

19 Jul 2023, 12:51

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Around the World in 80 Questions (Day 2): If 3^(-k/2) > 1/81

655-705 (Hard) | Exponents, Inequalities

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

Bunuel

18 Jul 2023, 08:00

76

12

5,878

by: BottomJee

19 Jul 2023, 05:41

ER

Is x*y^2 < 0? (1) |x| = -x (2) y^3 = 8

655-705 (Hard) | Absolute Values, Inequalities

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

GMATBusters

27 Apr 2020, 06:24

8

7

2,820

by: Bunuel

19 Jul 2023, 03:24

ER

A circle with center (1, 0) and radius 2 lies in the coordinate plane

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

09 Sep 2018, 08:51

12

4

6,523

by: bumpbot

19 Jul 2023, 03:16

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Common Mistakes in Geometry Questions - Exercise Question #1

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

EgmatQuantExpert

07 Aug 2018, 04:09

30

16

15,485

by: bumpbot

18 Jul 2023, 23:15

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

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

kamathimanshu

27 Jun 2021, 23:43

37

9

13,960

by: gmatophobia

18 Jul 2023, 23:00

ER

A parallelogram is drawn in the xy-coordinate plane. Is the parallelog

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

29 Sep 2021, 01:00

9

11

4,850

by: hdsinghdang

18 Jul 2023, 22:54

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For all integers i, f(i) = i(i-1). What is the value of f(x)?

705-805 (Hard) | Algebra, Functions and Custom Characters

705-805 (Hard) | Algebra, Functions and Custom Characters hide tags

Helium

03 Aug 2018, 09:12

3

5

2,220

by: bumpbot

18 Jul 2023, 16:26

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How many intersects with x-axis does y = x^2 + 2qx + r have ?

655-705 (Hard) | Algebra, Coordinate Plane

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

Bunuel

29 Mar 2017, 05:31

24

9

4,264

by: bumpbot

18 Jul 2023, 16:23

ER

In a certain museum gift shop, did sales of calendars account for 15

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

30 Dec 2020, 22:00

1

3

1,837

by: bumpbot

18 Jul 2023, 15:57

ER

What is the value of xy?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

12 Jul 2014, 16:09

40

9

8,499

by: bumpbot

18 Jul 2023, 11:44

ER

In xy-coordinate plane, lines j and k intersect at the point (5, 0)

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

BrentGMATPrepNow

10 Jun 2017, 14:20

49

12

8,685

by: Spanda3285

18 Jul 2023, 08:58

ER

The total charge to rent a car for one day from Company J consists of

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Silviax

15 Sep 2020, 05:15

13

7

9,964

by: bumpbot

18 Jul 2023, 05:37

ER

In the diagram above, triangle WXY intersects rectangle JKLM at points

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

22 Jul 2019, 08:00

41

17

7,993

by: bumpbot

18 Jul 2023, 02:53

ER

Around the World in 80 Questions (Day 1): If k is a positive integer

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

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

Bunuel

17 Jul 2023, 08:00

41

11

8,747

by: pintukr

18 Jul 2023, 02:06

ER

Any decimal that has a finite number of nonzero digits is a terminatin

505-555 (Easy) | Fractions and Ratios

505-555 (Easy) | Fractions and Ratios hide tags

Bunuel

31 Aug 2016, 05:43

6

7

4,933

by: bumpbot

17 Jul 2023, 07:03

ER

In the diagram above, AC = AB, and angle DAB = angle DBC. What is the

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

09 Apr 2015, 07:23

20

10

38,476

by: bumpbot

17 Jul 2023, 04:54

Is product of integers m and n positive? 1) m+ n is positive 2) m-n is

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

TheUltimateWinner

18 Jul 2019, 08:16

2

1,408

by: bumpbot

17 Jul 2023, 04:51

ER

Do the rectangle ABCD and the square EFGH have the same area?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

filipembribeiro

01 Jun 2021, 04:00

4

2

2,909

by: bumpbot

17 Jul 2023, 00:06

ER

In 2012, the marked price of an electric vehicle was $50,000 and it

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

07 Jun 2023, 01:30

4

2

2,105

by: AkankshaUniyal

16 Jul 2023, 23:26

ER

The percent of employees participated in A program is 80% of the total

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

15 Jun 2023, 08:00

4

2

1,131

by: Nabneet

16 Jul 2023, 22:43

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If k is a line in the xy-plane, what is the slope of k ?

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

anilnandyala

28 Oct 2010, 08:58

8

3

14,720

by: bumpbot

16 Jul 2023, 21:46

ER

A circle is inscribed in equilateral triangle XYZ, which is itself

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Pritishd

14 Sep 2017, 03:35

15

4

3,677

by: bumpbot

16 Jul 2023, 14:59

ER

If the length of the side of the inscribed square measures 12 inches

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

13 Oct 2021, 01:30

7

5

3,015

by: bumpbot

16 Jul 2023, 13:07

ER

What is the area of the circle with center C, shown above?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Mani2879

02 Sep 2018, 02:42

13

4

3,931

by: bumpbot

16 Jul 2023, 12:57

ER

At a retail shop, the price of a pencil was $0.20 more than the price

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

22 Oct 2018, 00:25

2

4

2,113

by: bumpbot

16 Jul 2023, 08:56

ER

A list contains several different integers. Is the product of all the

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

06 Dec 2016, 07:12

1

5

2,394

by: JeffTargetTestPrep

16 Jul 2023, 07:54

ER

What is the median of the 5 consecutive integers?

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

13 Jun 2023, 04:00

3

2

1,870

by: JeffTargetTestPrep

16 Jul 2023, 07:49

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If k is an integer, is k even? (1) k > 1 (2) k^2 is an even integer

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

23 May 2020, 04:25

1

3

3,654

by: JeffTargetTestPrep

16 Jul 2023, 07:48

ER

In the figure above, what is the area of region PQRST ? (1) PQ = RS (

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

1, 2

Bunuel

09 Jul 2021, 00:33

168

26

36,539

by: Bunuel

16 Jul 2023, 03:49

ER

The relationship between the cost (c) and time (t) is given by the equ

605-655 (Medium) | Algebra, Word Problems

605-655 (Medium) | Algebra, Word Problems hide tags

MathRevolution

27 Jun 2018, 01:59

6

2,049

by: bumpbot

15 Jul 2023, 09:58

ER

Is p > q? (1) p^3 > q^3 (2) p - q > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

02 Oct 2020, 00:00

5

3

1,631

by: bumpbot

15 Jul 2023, 05:20

ER

What is the area of the triangle PQR?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

14 Sep 2018, 01:41

7

3

2,659

by: Praful_0810

15 Jul 2023, 04:52

ER

Is a < b? (1) a^b < b^a (2) a/b > 1

705-805 (Hard) | Exponents, Inequalities

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

Bunuel

09 Mar 2016, 13:01

11

5

2,556

by: bumpbot

15 Jul 2023, 04:22

ER

The total number of students attending Almeida County Elementary Schoo

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

nislam

21 Jun 2022, 01:31

12

4

1,677

by: bumpbot

15 Jul 2023, 01:27

ER

In the figure shown, the circle has center O and radius 50

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

1, 2

ajit257

03 Jan 2011, 18:18

48

21

26,333

by: bumpbot

14 Jul 2023, 23:08

ER

What is the value of x? (1) x^(-2x) = 1 (2) x^x = 1

655-705 (Hard) | Exponents

655-705 (Hard) | Exponents hide tags

Bunuel

02 Jun 2023, 03:45

1

4

1,389

by: Bunuel

14 Jul 2023, 12:06

ER

Is x > 3y ? (1) x/y > 3 (2) y > 7

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

20 Mar 2023, 01:30

6

3

1,994

by: rzmogrovejo

14 Jul 2023, 11:15

ER

If 0 < ab < ac, is a negative? (1) c < 0 (2) b > c

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

14 Jul 2023, 01:30

8

4

1,897

by: 8.toastcrunch

14 Jul 2023, 10:01

ER

N is a positive integer. Is n the square of an integer?

655-705 (Hard) | Exponents

655-705 (Hard) | Exponents hide tags

MathRevolution

20 Jan 2016, 21:48

33

11

7,877

by: bumpbot

14 Jul 2023, 09:12

ER

If x and y are both positive, is x greater than 4?

705-805 (Hard) | Coordinate Plane, Inequalities

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

Bunuel

11 Sep 2015, 02:01

58

10

8,051

by: bumpbot

14 Jul 2023, 05:54

ER

What is the average weight of all the students in the class?

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

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

Bunuel

30 Nov 2022, 02:30

3

2,509

by: AritraKundu

13 Jul 2023, 21:34

ER

Is the triangle depicted above isosceles?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Asifpirlo

22 Aug 2013, 01:58

14

10

7,589

by: bumpbot

13 Jul 2023, 20:47

ER

What is the total number of employees in the personnel and data proces

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

13 Jul 2023, 23:50

5

3,417

by: amishag

13 Jul 2023, 18:24

ER

If a and b are nonzero integers, is a^b an integer?

805+ (Hard) | Exponents +2 tags

805+ (Hard) | Exponents, Inequalities, Number Properties hide tags

Bunuel

21 Jan 2020, 01:22

24

14

9,800

by: bumpbot

13 Jul 2023, 16:24

ER

Is xy= -1? (1) x=y (2) y=1

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

BDSunDevil

22 May 2012, 10:50

11

3

5,822

by: bumpbot

13 Jul 2023, 14:21

If X is a positive integer, is X odd? (1) X = 16*Y + 5, where Y is a

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

amanvermagmat

02 Apr 2018, 05:06

5

2,320

by: bumpbot

13 Jul 2023, 07:22

ER

Is p > q? (1) p/q > 1 (2) (p - q)/q > (p - q)/p

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

raashiedm

01 Mar 2018, 14:25

22

6

7,849

by: bumpbot

13 Jul 2023, 05:40

ER

If x3 + yz > 0, is xy3z2 > 0? (1) y > 0 > z (2) x > 0

555-605 (Medium) | Exponents, Inequalities

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

CareerGeek

17 Jul 2019, 04:42

7

5

3,943

by: bumpbot

13 Jul 2023, 04:12

ER

If x = n!+1, is x a prime number?

705-805 (Hard) | Multiples and Factors

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

chetan2u

06 May 2016, 23:26

6

3,030

by: bumpbot

12 Jul 2023, 17:53