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

83,824

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

863

24

191,833

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

491,824

by: bb

29 Aug 2025, 13:27

ER

If x is positive integer. Is (x - 1)(x + 1) divisible by 24?

655-705 (Hard) | Multiples and Factors

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

Smita04

24 Aug 2023, 09:55

17

3

7,248

by: bumpbot

19 Dec 2021, 18:29

ER

Are all of the numbers in a certain list of 20 numbers equal?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

16 Aug 2019, 02:31

3

4

1,566

by: bumpbot

19 Dec 2021, 07:10

ER

Each week John earns X dollars per hour for the first 40

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

rite2deepti

25 Nov 2010, 05:56

6

3

9,278

by: bumpbot

18 Dec 2021, 23:36

ER

What is the remainder when x^4 + y^4 divided by 5?

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

1, 2

mdfrahim

04 Jul 2009, 23:08

37

24

13,400

by: bumpbot

18 Dec 2021, 20:00

ER

Was Lisa's salary at least twice as much as Julie's annual

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

TheBigCheese

28 Jan 2012, 06:11

13

8

12,061

by: bumpbot

18 Dec 2021, 03:20

ER

What is the value of the odd integer x? (1) 18 < 2x < 30 (2) 33 < 3x <

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

17 Dec 2021, 02:30

1

1,277

by: ElninoEffect

17 Dec 2021, 04:04

ER

If a and b are positive integers, is 4a + 3b divisible by 12?

655-705 (Hard) | Algebra, Multiples and Factors

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

Bunuel

03 Dec 2019, 01:24

7

4

2,969

by: bumpbot

16 Dec 2021, 13:18

ER

A manager needs to schedule a 2-hour planning meeting with himself and

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

08 Dec 2021, 04:00

1

1,057

by: JerryAtDreamScore

16 Dec 2021, 12:24

ER

The 250 students enrolled ABC university are taking undergraduate cour

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

Bunuel

08 Dec 2021, 04:30

3

1

1,281

by: JerryAtDreamScore

16 Dec 2021, 12:22

ER

A box is filled with cookies ranging in weight from 3.2 grams to 3.8

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

08 Dec 2021, 07:30

1

4,446

by: JerryAtDreamScore

16 Dec 2021, 12:01

ER

The function of the relationship between the cost (c) and the revenue

555-605 (Medium) | Fractions and Ratios

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

BillyZ

23 Feb 2017, 17:49

11

2

3,130

by: JerryAtDreamScore

16 Dec 2021, 11:49

ER

The price of a gallon of milk in 1990 was ten percent higher than it

555-605 (Medium) | Fractions and Ratios

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

Bunuel

01 Dec 2021, 07:00

2

4

4,346

by: aishu0091

16 Dec 2021, 07:34

ER

Lines k and m lie in xy plane. Is the slope of line k less than the sl

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

08 Dec 2021, 05:30

1

1,756

by: stne

16 Dec 2021, 06:14

ER

If k is an integer and M and D are the least common multiple and the

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

Bunuel

21 Mar 2018, 05:21

21

7

2,685

by: bumpbot

16 Dec 2021, 06:00

ER

How many square tiles, each with a side length of n, are needed to com

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

16 Dec 2021, 02:30

2

2,135

by: Vatsal7794

16 Dec 2021, 04:30

ER

P is a positive integer. How many positive integers are factors of P

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

ARIEN3228

31 May 2020, 10:29

4

7

4,564

by: bumpbot

15 Dec 2021, 20:33

ER

Is m > 0? (1) |m|/2 = 2 (2) m^3 = 64

Sub 505 (Easy) | Absolute Values, Algebra

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

Bunuel

25 Jul 2016, 10:18

4

5

4,575

by: bumpbot

14 Dec 2021, 22:36

ER

What is the greatest possible value of x?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

sushi600

14 Dec 2021, 13:54

2

3

1,856

by: Kinshook

14 Dec 2021, 14:33

ER

What is the volume of a cube with edge e?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

rxs0005

26 Nov 2010, 07:24

2

3

3,580

by: bumpbot

14 Dec 2021, 00:38

ER

If, on a coordinate plane, point A has the coordinates

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Bull78

25 Jul 2010, 12:53

8

11

5,293

by: abhishekmayank

14 Dec 2021, 00:14

ER

At how many points does the graph of a quadratic equation cut x axis

555-605 (Medium) | Algebra, Coordinate Plane

555-605 (Medium) | Algebra, Coordinate Plane hide tags

GMATinsight

19 Oct 2017, 05:39

28

4

4,357

by: js1986

13 Dec 2021, 22:54

ER

The hexagon has a center A and the length of AB is 4. What is the peri

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

08 Dec 2021, 08:30

1

965

by: Charli08

13 Dec 2021, 20:37

ER

In a certain class of 120 students there are 20 boys that don't have b

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

nislam

30 Nov 2021, 10:41

3

1

1,201

by: Bunuel

10 Dec 2021, 23:30

ER

If p and q are distinct lines in the xy coordinate system such that th

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

Bunuel

10 Dec 2021, 02:30

2

1

1,546

by: truplayer257

10 Dec 2021, 19:55

ER

Is xy > 24? 1) y > x/3+ 2 2) y < x/2 + 1

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Russ19

10 Dec 2021, 07:56

6

1

1,117

by: IanStewart

10 Dec 2021, 08:28

ER

Is a positive? (1) |a| = |a - 5| (2) |a| = 2.5

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

Bunuel

24 Nov 2021, 08:00

2

3

2,500

by: iamcabbage

09 Dec 2021, 01:02

ER

What is the proportion of women in Austria?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

08 Dec 2021, 09:30

2

1,088

by: CosmicEnergy

09 Dec 2021, 00:00

ER

A car dealer has 40 cars, each of which is white, red, or blue in colo

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

08 Dec 2021, 10:00

2

1

1,679

by: Anurocks1233

08 Dec 2021, 12:22

ER

If a and b are constants, what is one solution of the equation (x + a)

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

29 Mar 2016, 03:08

13

3

9,371

by: BrentGMATPrepNow

08 Dec 2021, 11:29

ER

What is the area of the triangle ABC? (1) y^2 - 14y + 48 = 0

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

08 Dec 2021, 03:00

1

2

1,379

by: IanStewart

08 Dec 2021, 07:30

What is the area of the triangle ABC?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Vamshi8411

26 Jul 2012, 05:37

13

5

9,967

by: bumpbot

07 Dec 2021, 07:03

ER

Is |x| + |y| > |x - y| ?

605-655 (Medium) | Absolute Values, Inequalities

605-655 (Medium) | Absolute Values, Inequalities hide tags

Bunuel

06 Jun 2016, 04:10

21

9

3,813

by: bumpbot

07 Dec 2021, 01:59

ER

The figure above represents a rectangular plot of land that is to be d

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

11 Sep 2018, 02:36

3

3,090

by: Novice90

06 Dec 2021, 13:18

ER

What fraction of the square region in the figure above is shaded?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

fozzzy

27 Feb 2018, 10:41

24

6

20,026

by: bumpbot

06 Dec 2021, 09:43

ER

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

805+ (Hard) | Exponents

805+ (Hard) | Exponents hide tags

Bunuel

31 Aug 2018, 23:01

46

14

8,632

by: askelan

06 Dec 2021, 05:44

ER

Is 4m - 5n > m^2

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

rxs0005

25 Jan 2011, 06:51

5

5,585

by: bumpbot

06 Dec 2021, 02:55

ER

Internal angle bisectors of triangle ABC with right angle at B meet at

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

17 Nov 2021, 09:30

12

8

2,889

by: KarishmaB

05 Dec 2021, 21:27

ER

Is y a perfect square, where x and y are natural numbers?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

sritamasia

04 Dec 2021, 22:39

2

4

1,923

by: kaptainklutz

05 Dec 2021, 15:09

ER

If a = 2 and b is an integer, is [m]a^{44} < b^{11}[/m]?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

sritamasia

03 Dec 2021, 10:40

1

2

1,174

by: JerryAtDreamScore

05 Dec 2021, 15:04

ER

If these lines intersect at point C, is either m or p greate

705-805 (Hard) | Absolute Values, Coordinate Plane

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

WoundedTiger

04 Jan 2013, 04:37

16

11

5,738

by: bumpbot

05 Dec 2021, 05:25

ER

How many times does Mary get paid in a certain year X ?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

20 Feb 2018, 09:12

3

2,465

by: bumpbot

04 Dec 2021, 10:22

ER

A Software company has 40 programmers

Poor Quality

Poor Quality hide tags

sritamasia

03 Dec 2021, 09:34

5

3

1,110

by: BrentGMATPrepNow

04 Dec 2021, 07:02

ER

A man invested $P in a certain bank at the rate of r% per annum compou

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

01 Dec 2021, 04:30

1

2,605

by: stne

04 Dec 2021, 01:01

ER

In xy plane, line K passes through the points A(6, -7) and B(4, 5). Do

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Bunuel

02 Apr 2019, 03:26

6

2

3,241

by: bumpbot

03 Dec 2021, 19:23

ER

Is x greater than x^3 ?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

lumone

20 Apr 2014, 12:26

9

10

5,977

by: bumpbot

03 Dec 2021, 11:19

ER

If -3x > 4y, is x < 0? (1) y > 0 (2) 3x + 5y – 20 = 0

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

21 Apr 2017, 07:55

20

7

4,097

by: bumpbot

03 Dec 2021, 07:52

ER

What is the area of the parallelogram inscribed in a circle?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

ritula

24 Jun 2015, 07:23

14

19

11,249

by: bumpbot

03 Dec 2021, 03:57

ER

Two natural numbers a and b are such that a = 3b + b^2. Is 'a' a multi

655-705 (Hard) | Multiples and Factors

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

Bunuel

24 Nov 2021, 04:00

3

1,943

by: stne

02 Dec 2021, 11:45

ER

If P^2 + Q^2 =1, is P – Q =1?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

shivanigs

25 Aug 2012, 05:32

11

13

11,270

by: Bunuel

02 Dec 2021, 08:35

ER

If m = z^5, is m < 1? (1) 3 – (y– x) > x– (y– 3z) (2) z < 3

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

01 Dec 2021, 06:30

1

1,238

by: sahilvermani

02 Dec 2021, 06:56