GMAT Data Sufficiency (DS) Forum - Free Practice Questions

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Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

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Bunuel

25 Oct 2022, 08:11

189

15

89,272

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of June 2026

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1, 2

Bunuel

01 Jan 2026, 05:45

872

24

194,349

by: bumpbot

16 Sep 2025, 06:05

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DS Question Directory by Topic and Difficulty

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bb

23 Aug 2026, 13:03

1.6k

1

496,538

by: bb

23 Aug 2026, 13:01

ER

How many integers are there between integers i and k, inclusive?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

29 Aug 2019, 23:39

4

10

4,954

by: Bunuel

31 Aug 2019, 07:24

ER

Is s = r?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

11 Aug 2016, 06:57

6

5

4,777

by: bumpbot

31 Aug 2019, 07:11

What percent of a group of 10 turtles do not have spots?

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

Sajjad1994

30 Aug 2019, 10:58

2

1,193

by: Mohammadmo

30 Aug 2019, 19:38

What is the value of x^1/2 = ? (1) x = 100

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Sajjad1994

30 Aug 2019, 10:00

1

2

1,133

by: sumi747

30 Aug 2019, 10:47

If y is an integer, is y < -5 ? (1) y^2 > 25 (2) y^3 < -25

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

30 Aug 2019, 06:23

6

1,526

by: bebs

30 Aug 2019, 08:04

If v and w are integers, is v > w?

555-605 (Medium) | Exponents, Inequalities

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

Bunuel

29 Aug 2019, 06:59

2

1,422

by: Eternal

30 Aug 2019, 04:50

In the figure above, if a = b and XZ is a straight line, what is the v

Sub 505 (Easy) | Geometry

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Sajjad1994

29 Aug 2019, 08:24

2

3,063

by: Mohammadmo

29 Aug 2019, 12:49

Pat bought a new car for P dollars and sold it later for M dollars. Th

555-605 (Medium) | Percent and Interest Problems

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Bunuel

29 Aug 2019, 01:09

9

11

3,183

by: snoep

29 Aug 2019, 12:33

ER

What is the value of x in the triangle above?

Sub 505 (Easy) | Geometry

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Bunuel

29 Aug 2019, 05:50

1

6

2,672

by: Kinshook

29 Aug 2019, 10:29

ER

If k is an integer, is k even?

555-605 (Medium) | Number Properties

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Bunuel

29 Aug 2019, 06:32

2

6

1,504

by: bebs

29 Aug 2019, 09:46

If e, f, g, and h are positive numbers, and f ≠ h, is e/f < g/h ?

555-605 (Medium) | Inequalities

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Bunuel

29 Aug 2019, 07:02

1

1,126

by: Archit3110

29 Aug 2019, 09:04

What is the average (arithmetic mean) of a and b?

Sub 505 (Easy) | Statistics and Sets Problems

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Bunuel

29 Aug 2019, 06:49

1

1,465

by: Archit3110

29 Aug 2019, 08:36

ER

If n is an integer such that 107 < n < 117, what is the value of n?

505-555 (Easy) | Remainders

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Bunuel

29 Aug 2019, 06:43

1

2

1,644

by: EncounterGMAT

29 Aug 2019, 08:32

ER

What is the value of n in the list above?

605-655 (Medium) | Statistics and Sets Problems

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Bunuel

29 Aug 2019, 06:48

2

1,613

by: IanStewart

29 Aug 2019, 08:05

What is the value of m1 + n2 ?

555-605 (Medium) | Algebra

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Bunuel

29 Aug 2019, 06:53

2

1,033

by: ManjariMishra

29 Aug 2019, 07:33

If u < v < w and x < y < z, is v < y?

505-555 (Easy) | Inequalities

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Bunuel

28 Aug 2019, 02:57

5

9

2,187

by: globaldesi

28 Aug 2019, 12:15

If d1 and d2 are the numbers of defective items in production runs yie

505-555 (Easy) | Fractions and Ratios

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

Bunuel

26 Aug 2019, 23:18

6

7

2,338

by: rishab0507

27 Aug 2019, 12:22

ER

If 0 < mn < ms, is m negative? (1) n < 0 (2) n > s

555-605 (Medium) | Inequalities

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EncounterGMAT

27 Aug 2019, 01:17

2

1,023

by: ccooley

27 Aug 2019, 11:59

ER

In the figure above, if AB is parallel to DE and DE = 2, what is the

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

18 Sep 2018, 21:52

6

7

3,090

by: TheNightKing

27 Aug 2019, 08:28

8 people: A, B, C, D, E, F, G, H - are sitting around a circular table

705-805 (Hard) | Word Problems

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amanvermagmat

24 Feb 2018, 00:44

2

20,624

by: DeeptiManyaExpert

27 Aug 2019, 03:11

ER

In a museum X, a total entrance fee is $x plus $z each person greater

605-655 (Medium) | Inequalities

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MathRevolution

10 Feb 2016, 21:59

4

6

2,987

by: KarishmaB

26 Aug 2019, 21:45

ER

Is 3x + y = 333? (1) x - y = 33 (2) x/y = 1/3

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

26 Aug 2019, 00:24

2

1,726

by: ccooley

26 Aug 2019, 12:54

ER

If x and y are positive integers, is

555-605 (Medium) | Fractions and Ratios, Inequalities

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mikemcgarry

14 May 2013, 11:21

14

5

5,074

by: MathRevolution

25 Aug 2019, 09:33

ER

Is |a - b| < |a| + |b|? (1) a/b <0 (2) a^2b < 0

655-705 (Hard) | Absolute Values, Inequalities

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

DHAR

03 Aug 2017, 09:35

12

6

4,273

by: Kinshook

24 Aug 2019, 01:43

ER

Is 7^(x + 2)/49 > 1 ?

555-605 (Medium) | Exponents, Inequalities

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

Bunuel

16 Dec 2017, 02:00

3

4

2,553

by: firas92

23 Aug 2019, 19:39

ER

The official height of a skyscraper is equal to the elevation of the

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

22 Aug 2019, 22:41

5

3

2,093

by: WizakoBaskar

23 Aug 2019, 07:59

If a and b are two consecutive integers, then which is smaller.

605-655 (Medium) | Algebra +2 tags

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Bunuel

12 Jul 2019, 01:46

7

4

1,988

by: Sourav6797

22 Aug 2019, 04:58

ER

At a particular school, 60 male students play sports. How many male st

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

Bunuel

06 Apr 2016, 02:11

11

8

3,798

by: bumpbot

20 Aug 2019, 09:32

ER

x, y are non zero integers: Is x^y < y^x

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

prep

02 Nov 2012, 14:22

2

3

3,521

by: bumpbot

20 Aug 2019, 09:19

ER

If n is an integer, is n|n| > n^3? (1) n < -1 (2) n = -11

505-555 (Easy) | Absolute Values +2 tags

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Bunuel

20 Aug 2019, 02:05

1

3

2,496

by: Kinshook

20 Aug 2019, 06:05

What is the tenths digit of decimal X?

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

vidhya16

01 Sep 2012, 10:53

1

3

4,246

by: bumpbot

19 Aug 2019, 13:48

ER

Is angle M = 90?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Xin Cho

18 Aug 2019, 08:38

1

5

2,245

by: Xin Cho

19 Aug 2019, 10:41

ER

How many people contributed to the Charity Y ? (1) The average contrib

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

19 Nov 2018, 00:03

3

1,636

by: BrentGMATPrepNow

19 Aug 2019, 07:32

Three friends contributed some funds for a party. What was the amount

505-555 (Easy) | Fractions and Ratios

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

Bunuel

05 Jul 2017, 00:38

2

6

3,188

by: bumpbot

19 Aug 2019, 02:37

If the average of 5 numbers is 75, what is the range of the numbers? 1

555-605 (Medium) | Statistics and Sets Problems

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

TheUltimateWinner

17 Aug 2019, 23:14

1

1,753

by: LeoN88

17 Aug 2019, 23:34

What is the area of the quadrilateral with vertices A, B, C, and D?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

sidjain93

17 Aug 2019, 14:28

1

1,721

by: eakabuah

17 Aug 2019, 15:47

What is the value of 3x^2 + 2x – 1 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

17 Sep 2017, 03:53

1

3

4,045

by: bumpbot

15 Aug 2019, 21:48

ER

Is the average (arithmetic mean) of 10 distinct integers greater than

555-605 (Medium) | Statistics and Sets Problems

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

EMPOWERgmatRichC

27 Oct 2015, 21:54

6

7

3,955

by: pulak1988

15 Aug 2019, 19:15

In a lecture hall, what is the ratio of the number of women to the num

Sub 505 (Easy) | Fractions and Ratios, Word Problems

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

Bunuel

15 Aug 2019, 00:52

2

2,020

by: Kinshook

15 Aug 2019, 09:33

ER

In triangle ABC, if AB = a, BC = b + 1/2, and AC = b, which of the

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apblanker

16 Sep 2017, 06:04

3

5

3,452

by: Sayon

15 Aug 2019, 05:01

ER

what is the value of x+y?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

GMATBusters

31 Jul 2019, 11:53

4

2

2,253

by: CrackverbalGMAT

14 Aug 2019, 04:10

ER

Is the perimeter of a triangle greater than 100?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

MathRevolution

17 Jan 2016, 21:44

4

2,862

by: TheNightKing

13 Aug 2019, 16:26

If |x|=|y|=3, what is x/y?

555-605 (Medium) | Absolute Values +2 tags

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chetan2u

14 Jul 2018, 01:15

6

3

2,335

by: bumpbot

13 Aug 2019, 09:14

ER

is p^3 + q^5 > r^3?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Abhi077

12 Aug 2019, 00:25

3

4

1,637

by: unraveled

12 Aug 2019, 20:40

Are two triangles congruent?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

10 Aug 2017, 03:31

6

3

5,529

by: bumpbot

12 Aug 2019, 01:25

ER

The radii of two circles are 2 inches and 4 inches, respecti

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

atalpanditgmat

16 Jun 2013, 04:47

7

16

4,413

by: bumpbot

11 Aug 2019, 22:35

ER

In the Figure above, O is the center of a semicircle, and p

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

NateTheGreat11

05 Sep 2013, 10:00

5

4,031

by: bumpbot

11 Aug 2019, 18:55

Did the price of a bushel of peanuts increase during every week of 199

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

11 Aug 2019, 05:37

1

838

by: Kinshook

11 Aug 2019, 07:23

Do the points P and Q lie on the same circle with center (0,0)?

555-605 (Medium) | Coordinate Plane

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Bunuel

11 Aug 2019, 05:40

3

1

2,443

by: vinayakvaish

11 Aug 2019, 06:44

ER

A number w with two digits to the right of the decimal point is multip

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Xin Cho

08 Aug 2019, 11:55

8

6

2,156

by: IanStewart

10 Aug 2019, 07:51