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

179

15

79,262

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

858

24

188,858

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

488,482

by: bb

29 Aug 2025, 13:27

ER

Is |x|+x>|x|? 1) x<y^2 2) x+y^2<0

555-605 (Medium) | Absolute Values, Inequalities

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

TheUltimateWinner

10 Mar 2019, 09:52

4

6

2,908

by: bumpbot

20 Nov 2021, 02:30

ER

Does Meadow Park have a greater number of amphibians than reptiles wit

Sub 505 (Easy) | Arithmetic, Fractions and Ratios

Sub 505 (Easy) | Arithmetic, Fractions and Ratios hide tags

EMPOWERgmatRichC

06 Oct 2019, 21:24

14

6

3,708

by: bumpbot

22 Nov 2021, 20:59

ER

Line m passes through the origin. Line l is parallel to line m. What

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

Smita04

04 Apr 2019, 21:26

22

6

12,243

by: bumpbot

27 Nov 2021, 20:02

ER

A series of 5 numbers is 3, 4, 5, 5, x, is the range greater than 2?

805+ (Hard) | Statistics and Sets Problems

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

144144

06 Jun 2011, 11:53

13

6

5,800

by: bumpbot

03 Dec 2021, 08:06

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

19,950

by: bumpbot

06 Dec 2021, 09:43

ER

Are at least 10% of the employees at ABC Corporation who are

655-705 (Hard) | Statistics and Sets Problems

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

tusharGupta1

06 Dec 2013, 09:16

6

6,166

by: bumpbot

16 Dec 2021, 12:52

ER

Is (m^(1/n))^(1/2) an integer?

555-605 (Medium) | Algebra, Roots

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

prashanths

20 Jun 2019, 03:53

11

6

3,645

by: bumpbot

27 Dec 2021, 04:09

ER

The function SCI is defined as SCI(x, y) = z, where z is the sum of y

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

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

Bunuel

13 May 2020, 06:55

16

6

2,327

by: bumpbot

28 Dec 2021, 04:39

ER

Triangles ABC and DEF are similar. What percent of the area of triangl

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

06 Feb 2015, 07:33

12

6

12,123

by: bumpbot

29 Dec 2021, 08:28

ER

If a barrel contains only red and white balls, how many red balls are

505-555 (Easy) | Probability

505-555 (Easy) | Probability hide tags

Bunuel

27 Mar 2017, 04:59

2

6

3,394

by: Fdambro294

31 Dec 2021, 20:24

ER

Is ABC a right triangle? AB = 5; AC = 4. (1) BC = 3 (2) AC = CD

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

05 Nov 2017, 02:02

8

6

3,572

by: bumpbot

01 Jan 2022, 07:05

ER

How many students in a room are currently taking either geography or

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

Bunuel

01 Dec 2021, 08:00

3

6

1,997

by: KarishmaB

03 Jan 2022, 02:09

ER

What is the units digit of positive integer x? (1) Units digit of x^2

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

29 Dec 2021, 10:00

6

1,635

by: CrackverbalGMAT

05 Jan 2022, 22:45

ER

Is 10–6x<0?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

06 Feb 2015, 07:17

13

6

5,533

by: bumpbot

07 Jan 2022, 11:52

ER

If AB is a diameter of the circle shown, what is the area of the circl

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

22 Aug 2019, 04:16

8

6

3,878

by: bumpbot

09 Jan 2022, 20:10

ER

What does p equal?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

galiya

25 Jun 2012, 11:57

9

6

7,724

by: bumpbot

10 Jan 2022, 02:21

ER

If p > q, is p a negative number?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

rajthakkar

10 Jun 2015, 10:50

5

6

3,502

by: bumpbot

11 Jan 2022, 20:16

ER

Is x > y, where x and y are different non zero integers.

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

rajarshee

22 Sep 2015, 22:14

15

6

2,701

by: bumpbot

12 Jan 2022, 07:29

ER

For each customer, a yogurt shop charges a cents for the

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

gmatgambler

13 Jan 2014, 06:13

2

6

4,469

by: bumpbot

13 Jan 2022, 02:43

ER

A larger playground has a rectangular-shaped track shaded shown as abo

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

MathRevolution

07 Apr 2016, 06:11

4

6

2,601

by: bumpbot

13 Jan 2022, 08:03

ER

p>q, Is q negative?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

rajthakkar

08 Feb 2015, 01:16

3

6

3,486

by: bumpbot

14 Jan 2022, 01:30

ER

In the figure, ABCD is a trapezoid with BC//AD, AB = CE, BE//CG, and a

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

mikemcgarry

15 Jun 2016, 10:13

8

6

4,290

by: bumpbot

14 Jan 2022, 06:55

ER

Is x+y an even number?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Kushchokhani

16 Jan 2022, 04:16

15

6

3,986

by: Bunuel

16 Jan 2022, 04:16

ER

What is the remainder when the positive integer n is divided

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

udaymathapati

26 Sep 2010, 11:44

14

6

9,000

by: bumpbot

18 Jan 2022, 03:28

ER

What is y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

flower07

13 Dec 2013, 16:31

9

6

4,342

by: bumpbot

20 Jan 2022, 06:13

ER

What is the degree measure of the largest angle in ΔPQR ?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

23 May 2020, 07:05

6

5,535

by: JITESHSINGH

21 Jan 2022, 03:20

ER

Set S contains the elements {– 4, x, 0, 17, 1}. What is the median of

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

22 Dec 2015, 00:30

3

6

4,557

by: bumpbot

22 Jan 2022, 04:45

In the recent election, candidate A received x and candidate

555-605 (Medium) | Percent and Interest Problems

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

eladshush

04 Oct 2010, 06:21

4

6

4,733

by: bumpbot

25 Jan 2022, 08:44

ER

If w and c are integers is w > 0 ? (1) w + c > 50 (2)

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

ajit257

16 Dec 2010, 05:28

8

6

14,086

by: bumpbot

29 Jan 2022, 14:58

ER

In the figure, l, m, and k are straight lines. Are the lines l and m

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

09 Aug 2019, 02:25

6

2,756

by: bumpbot

06 Feb 2022, 05:20

ER

If |x^2 + y^2 + z^2| < 4, is |x^2 + z^2| < 1 ?

705-805 (Hard) | Absolute Values, Inequalities

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

Bunuel

14 Aug 2017, 01:59

12

6

3,151

by: bumpbot

07 Feb 2022, 19:26

ER

What is the value of z? Image (NOTE: Figure not drawn to scale.) (1)

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

02 Feb 2022, 04:30

8

6

3,285

by: stne

16 Feb 2022, 07:58

ER

In a class with 12 children, q of the children are girls.

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

ksharma12

20 Apr 2010, 17:40

8

6

5,032

by: bumpbot

18 Feb 2022, 09:54

ER

There are two types of rolls on a counter, plain rolls and seeded roll

Sub 505 (Easy) | Algebra, Word Problems

Sub 505 (Easy) | Algebra, Word Problems hide tags

prav04

06 Dec 2018, 08:34

4

6

6,156

by: bumpbot

20 Feb 2022, 06:33

ER

If production on line A increased 5% from 2006 to 2007, and if product

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

01 Oct 2015, 01:45

5

6

8,447

by: bumpbot

21 Feb 2022, 13:42

ER

If ab = 3, is a > b ? (1) b ≤ 1.5 (2) a ≥ 2

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

12 Aug 2020, 01:57

9

6

2,730

by: bumpbot

24 Feb 2022, 08:01

ER

Is x/y > 0? (1) x/(x + y) > 0 (2) y/(x + y) > 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

29 Jan 2020, 01:51

8

6

4,446

by: kungfury42

24 Feb 2022, 11:48

ER

Is x < 45^{45}? 1) x < 45! 2) x <67!/22!

555-605 (Medium) | Exponents, Inequalities

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

Russ19

06 Dec 2021, 06:01

21

6

2,496

by: IanStewart

08 Mar 2022, 10:19

ER

If n is a positive integer is n + 4 divisible by 8?

555-605 (Medium) | Multiples and Factors

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

Bunuel

12 Oct 2016, 01:43

2

6

3,384

by: bumpbot

10 Mar 2022, 06:05

ER

If r and t are positive integers, is rt even?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

msand

04 Jul 2013, 06:48

10

6

15,777

by: bumpbot

10 Mar 2022, 07:48

ER

A logo consists of an equilateral triangle and a semicircle that both

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

27 Oct 2021, 05:00

2

6

2,954

by: Sushen

10 Mar 2022, 17:14

ER

If n > 2 and n^4 - 5n^2 + 4 = 20h, is h an integer?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Bunuel

13 Aug 2020, 00:02

11

6

5,153

by: bumpbot

22 Mar 2022, 05:59

ER

If x^2 + 12x − k = 0, is x = 4? (1) (x + 16) is a factor of x^2 + 12x

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

16 Mar 2021, 01:30

16

6

2,390

by: bumpbot

22 Mar 2022, 10:11

ER

In Quadrilateral WXYZ, is XY perpendicular to YZ?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

13 Nov 2019, 02:15

6

7,413

by: bumpbot

23 Mar 2022, 03:11

ER

Is y a positive number? (1) 2x + y > 27 (2) x – 3y < 24

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

13 Feb 2021, 09:13

9

6

4,871

by: bumpbot

27 Mar 2022, 00:20

ER

Each number in the arrangement above is obtained from the two nearest

505-555 (Easy) | Arithmetic

505-555 (Easy) | Arithmetic hide tags

Bunuel

18 Dec 2014, 07:05

11

6

6,147

by: bumpbot

05 Apr 2022, 10:26

If |x| > 5, is |x - 5| = 5 - x

505-555 (Easy) | Absolute Values, Inequalities

505-555 (Easy) | Absolute Values, Inequalities hide tags

ezhilkumarank

07 Aug 2010, 17:57

16

6

5,414

by: bumpbot

07 Apr 2022, 07:46

ER

p is an integer; n is an integer; and p/n is an integer. Is p/n odd?

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

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

Bunuel

08 Feb 2018, 23:40

8

6

4,900

by: bumpbot

08 Apr 2022, 02:48

ER

If A and C are points in a plane, C is the center of circle

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

macjas

27 May 2012, 09:36

26

6

8,933

by: bumpbot

11 Apr 2022, 02:12

ER

If each side of a parallelogram has a length of 6, what is the area of

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

29 Oct 2015, 01:19

8

6

3,985

by: bumpbot

11 Apr 2022, 02:36