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

178

15

78,898

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

857

24

188,632

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

488,112

by: bb

29 Aug 2025, 13:27

ER

Does the product jkmn equals 1?

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

enigma123

31 Mar 2014, 01:29

7

5

5,480

by: SaquibHGMATWhiz

22 Nov 2022, 08:13

ER

If x is a negative number, what is the value of x?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

goodyear2013

29 Mar 2014, 16:05

36

4

25,017

by: bumpbot

18 Dec 2023, 23:29

ER

In a recent survey, twenty families reported their incomes for 1995.

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

goodyear2013

29 Mar 2014, 06:31

100

12

20,914

by: bumpbot

21 Aug 2025, 21:46

ER

If x is a nonzero number, which of the three numbers x, 1/x

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

goodyear2013

29 Mar 2014, 09:47

33

8

12,944

by: bumpbot

16 Oct 2024, 23:55

ER

Can the positiveve integer x be expressed as the product of

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

enigma123

27 Mar 2014, 03:51

4

2

2,547

by: bumpbot

12 Feb 2024, 10:26

ER

In an election for class president, each of 32 students vote

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

enigma123

25 Mar 2014, 15:49

13

7

11,149

by: bumpbot

10 Aug 2025, 13:40

ER

To earn grade B in her class Deepthi must have an average

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cumulonimbus

22 Mar 2014, 00:46

6

11

4,221

by: Bunuel

29 Aug 2022, 11:10

ER

If N is a two-digit even integer, is N < 20?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

sanjoo

20 Mar 2014, 02:34

47

14

11,833

by: bumpbot

13 Oct 2022, 09:19

ER

A dental licensure exam requires a 75% minimum score in orde

805+ (Hard) | Fractions and Ratios, Word Problems

805+ (Hard) | Fractions and Ratios, Word Problems hide tags

goodyear2013

21 Jul 2021, 07:31

158

17

19,898

by: bumpbot

17 Dec 2025, 02:26

ER

If set T was derived from set S when all elements of set S w

555-605 (Medium) | Statistics and Sets Problems

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

dennis14

26 Feb 2023, 13:15

9

11

6,618

by: Bunuel

26 Feb 2023, 13:15

ER

A recipe calls for 2/3 cup of butter to make a batch of cook

555-605 (Medium) | Fractions and Ratios

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

aja1991

12 Mar 2014, 02:56

5

2

5,754

by: prashant212

08 Apr 2016, 12:47

ER

If the ratio of cupcakes to cakes to peanut butter balls in

505-555 (Easy) | Fractions and Ratios

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

MelanieMa

11 Mar 2014, 17:47

6

5

5,717

by: siddharth30

06 Oct 2022, 15:46

ER

Is the square root of x is an integer?

605-655 (Medium) | Exponents

605-655 (Medium) | Exponents hide tags

sanjoo

08 Mar 2014, 07:22

38

11

9,421

by: bumpbot

26 Dec 2024, 20:13

ER

What is the value of xy?

805+ (Hard) | Exponents, Number Properties

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

swati007

06 Mar 2014, 00:03

49

10

10,319

by: bumpbot

20 Jan 2026, 02:01

ER

If rs ≠ 0, is 1/r + 1/s = 4 ? (1) r + s = 4rs (2) r = s

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

04 Mar 2014, 00:23

39

10

16,493

by: totaltestprepNick

28 Feb 2026, 09:14

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In triangle ABC above, what is the length of side BC?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

04 Mar 2014, 00:20

154

19

44,397

by: bumpbot

30 Apr 2024, 05:59

ER

If 2 different representatives are to be selected at random from a gro

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

Bunuel

04 Mar 2014, 00:17

553

19

59,757

by: Rickooreoisb

07 Jan 2026, 21:57

ER

What is the measure of angle x in the figure provided, if BF

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

sanjoo

02 Mar 2014, 13:26

4

5

4,220

by: bumpbot

20 Apr 2023, 05:01

ER

Given 2m^2 + n^2 = 27, what is the value of m?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Anasarah

29 Mar 2018, 21:17

7

6

5,879

by: SalahT

15 Aug 2021, 08:05

ER

Is the product of three consecutive integers negative?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

28 Feb 2014, 04:14

27

10

10,390

by: bumpbot

25 Aug 2023, 01:54

ER

Is 1/(a - b) > b - a ? (1) a < b (2) 1 < |a - b|

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

28 Feb 2014, 04:09

546

16

61,464

by: bumpbot

04 Jul 2025, 00:27

ER

In the fraction x/y, where x and y are positive integers, what is the

655-705 (Hard) | Functions and Custom Characters

655-705 (Hard) | Functions and Custom Characters hide tags

Bunuel

04 Jan 2021, 04:02

221

12

36,884

by: bumpbot

28 Feb 2026, 01:38

ER

If x is an integer, is y an integer?

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

28 Feb 2014, 04:01

50

7

22,191

by: totaltestprepNick

04 Mar 2026, 10:51

ER

Events A and B are independent and have equal probabilities

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

goodyear2013

28 Feb 2014, 07:22

137

16

29,046

by: bumpbot

20 May 2025, 06:34

ER

Is |n| < 1 ? (1) n^x - n < 0 (2) x^(-1) = -2

655-705 (Hard) | Absolute Values +2 tags

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

faceharshit

04 Jun 2020, 22:30

129

8

23,659

by: bumpbot

16 Aug 2024, 03:22

ER

In the xy-coordinate plane, the graph of y=x^2-kx-6, where

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

tr1

29 Oct 2017, 20:52

151

11

38,350

by: bumpbot

18 Jan 2026, 05:06

ER

If d is a positive integer, is d^1/2 an integer?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

26 Feb 2014, 02:26

34

5

19,304

by: bumpbot

27 Dec 2025, 01:56

ER

For a certain set of n numbers, where n > 1, is the average (arithmeti

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

26 Feb 2014, 02:24

137

14

30,920

by: ankushsambare

14 Apr 2026, 02:16

ER

In the sequence S of numbers, each term after the first two terms is

605-655 (Medium) | Sequences

605-655 (Medium) | Sequences hide tags

Bunuel

26 Feb 2014, 02:21

228

15

43,270

by: bumpbot

14 Sep 2025, 11:04

ER

At a golf driving range, a computer automatically records th

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amy888

24 Feb 2014, 18:36

3

5,276

by: bumpbot

13 Feb 2021, 23:22

ER

If p, m, and n are positive integers, n is odd, and p = m^2

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

maniac

24 Feb 2014, 08:58

25

9

5,854

by: AliEjaz01

01 Jan 2026, 10:41

ER

Carlotta can drive from her home to her office by one of two

Sub 505 (Easy) | Distance and Speed Problems

Sub 505 (Easy) | Distance and Speed Problems hide tags

seabhi

24 Feb 2014, 06:56

23

4

18,860

by: bumpbot

12 May 2024, 23:21

ER

A family-size box of cereal contains more cereal and costs m

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

seabhi

24 Feb 2014, 06:42

3

14,702

by: bumpbot

25 Jan 2023, 18:22

ER

The charge for a telephone call between City R and City S is

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

seabhi

24 Feb 2014, 06:46

21

4

13,091

by: BadukMagician

04 Aug 2025, 05:31

ER

If Fran jumps straight up off the floor and lands on her fee

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

24 Feb 2014, 02:20

66

7

14,303

by: bumpbot

19 Oct 2024, 09:44

ER

If x < y, is x^2 < y^2 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

24 Feb 2014, 01:59

34

6

9,564

by: bumpbot

25 Feb 2025, 11:54

ER

If k = (n + 2)(n - 2), where n is an integer value greater

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

msbandi4321

06 Jun 2021, 14:20

329

15

73,910

by: bumpbot

07 Apr 2025, 09:46

ER

Is the area of a certain square greater than the area of a c

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

sanjoo

23 Feb 2014, 09:23

6

4

3,202

by: bumpbot

22 Dec 2018, 16:21

ER

If n is an integer between 2 and 100 and if n is also the square of an

605-655 (Medium) | Algebra, Number Properties

605-655 (Medium) | Algebra, Number Properties hide tags

Bunuel

23 Feb 2014, 07:51

161

11

36,753

by: totaltestprepNick

23 Feb 2026, 16:12

ER

If x, y and z are positive, is x = y/z^2 ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

23 Feb 2014, 07:50

7

4

14,966

by: bumpbot

15 May 2024, 19:14

ER

A bookstore that sells used books sells each of its paperbac

555-605 (Medium) | Algebra, Word Problems

555-605 (Medium) | Algebra, Word Problems hide tags

Bunuel

23 Feb 2014, 07:48

69

10

37,289

by: totaltestprepNick

02 Mar 2026, 08:11

ER

If kmn ≠ 0, is x/m*(m^2 + n^2 + k^2) = xm + yn + zk?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

23 Feb 2014, 07:41

164

8

29,185

by: KanikaJain

21 Oct 2024, 04:08

ER

What is the area of triangle ABC ?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

yvette726

23 Jun 2015, 23:07

28

7

11,730

by: bumpbot

04 Nov 2023, 05:35

ER

Sue purchased several identical brooms at Gigamart.

555-605 (Medium) | Percent and Interest Problems

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

guerrero25

21 Feb 2014, 06:52

6

3

8,977

by: MHIKER

12 Nov 2020, 15:23

ER

If t ≠ 0, is r greater than zero?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

20 Feb 2014, 01:19

56

7

19,024

by: totaltestprepNick

28 Feb 2026, 14:49

ER

If x is a positive number less than 10, is z greater than the average

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

20 Feb 2014, 01:15

386

19

49,047

by: bumpbot

27 Jan 2025, 22:22

ER

[y] denotes the greatest integer less than or equal to y. Is d < 1?

555-605 (Medium) | Algebra, Functions and Custom Characters

555-605 (Medium) | Algebra, Functions and Custom Characters hide tags

Bunuel

20 Feb 2014, 01:14

366

14

48,513

by: bumpbot

16 Apr 2026, 09:43

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

27,352

by: bumpbot

28 Sep 2025, 16:11

ER

If xy = - 6, what is the value of xy(x+y)?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

29 Oct 2021, 10:56

224

19

57,169

by: bumpbot

19 Dec 2025, 09:13

ER

The circular base of an above-ground swimming pool lies in

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

1, 2

Bunuel

18 Feb 2014, 03:50

108

20

33,486

by: saepenulla

17 Oct 2025, 06:40