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

79,884

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

858

24

189,014

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

488,724

by: bb

29 Aug 2025, 13:27

ER

What is the value of b – 2c ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

23 Jun 2017, 08:27

3

2,523

by: KanishkM

19 Feb 2019, 01:08

ER

The graph shows the exports by the state of Ohio in 2006 and 2007. By

705-805 (Hard) | Graphs and Illustrations

705-805 (Hard) | Graphs and Illustrations hide tags

Sajjad1994

01 Oct 2019, 09:55

6

1

2,523

by: stne

25 Oct 2019, 10:14

ER

X grams of a solution containing 20 percent P (by weight) is mixed

655-705 (Hard) | Statistics and Sets Problems

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

Abhi077

27 Oct 2018, 07:00

9

3

2,523

by: bumpbot

30 Dec 2024, 01:28

ER

Is a < -1?

655-705 (Hard) | Absolute Values, Inequalities

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

chetan2u

02 Nov 2017, 09:51

3

5

2,522

by: amanvermagmat

11 Dec 2017, 05:44

ER

Is 16 contained in the set S?

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

MathRevolution

22 Aug 2016, 20:00

3

5

2,521

by: bumpbot

06 Jun 2018, 03:03

ER

If x^y = 1 then what is the value of x?

655-705 (Hard) | Exponents

655-705 (Hard) | Exponents hide tags

BrentGMATPrepNow

16 Sep 2018, 09:07

11

6

2,521

by: bumpbot

29 Mar 2025, 14:57

The number of ways of inviting

805+ (Hard) | Combinations

805+ (Hard) | Combinations hide tags

sritamasia

27 Nov 2021, 14:46

6

4

2,521

by: ektalakra

20 Aug 2025, 01:40

ER

If –8 < k < 8, is k < –2 ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

14 Mar 2017, 03:45

5

8

2,520

by: bumpbot

21 Apr 2021, 06:24

ER

On account of Diwali, Maha Electronics(ME) is offering a bumper sale o

805+ (Hard) | Percent and Interest Problems, Word Problems

805+ (Hard) | Percent and Interest Problems, Word Problems hide tags

EncounterGMAT

24 Sep 2019, 01:12

13

4

2,520

by: bumpbot

24 Jul 2023, 05:18

ER

What is the units digit of a^{4b} + 2

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

chetan2u

03 May 2016, 04:41

6

2

2,520

by: bumpbot

05 Jan 2025, 05:58

ER

In the XY plane. What is the slope of line L?

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Chethan92

20 Jan 2019, 08:59

7

3

2,519

by: Diwakar003

25 Jan 2019, 12:44

ER

What is the value of 10y + 17z ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

07 Feb 2020, 06:13

1

4

2,519

by: CrackverbalGMAT

12 Feb 2020, 01:57

ER

If m > 2, is m^(1/2) an integer?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

26 Mar 2021, 01:30

9

6

2,518

by: bumpbot

16 Jun 2024, 04:46

ER

If n and m are positive integers, is n + m even?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

06 Dec 2016, 07:09

2

2,517

by: bumpbot

14 Apr 2021, 14:40

ER

a/5 + 5/a > 2 ?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

pk123

23 Aug 2015, 04:29

8

7

2,516

by: bumpbot

29 Oct 2019, 16:18

ER

If s + t = 10, what is the value of q – r? (1) r = s (2) tq – sr + s

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

25 Jul 2018, 21:39

3

2,516

by: Basshead

24 Nov 2020, 05:06

ER

If a, b, and c are three different numbers, then what is the value of

805+ (Hard) | Fractions and Ratios

805+ (Hard) | Fractions and Ratios hide tags

Bunuel

28 Oct 2021, 01:30

8

3

2,516

by: AashishGautam

07 Jun 2022, 19:46

ER

A set of Manhattan Review practice questions for all sections of the

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

18 Oct 2016, 23:56

2

2,515

by: s1d1

19 Oct 2016, 13:04

ER

In triangle PQR, if the length of all the three sides are distinct int

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

GMATWhizTeam

07 Apr 2020, 23:44

4

8

2,515

by: GMATWhizTeam

07 Apr 2020, 07:44

ER

What is the value of j if h is k% of j?

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

Bunuel

22 Jan 2016, 10:30

4

3

2,514

by: bumpbot

13 Jun 2020, 04:57

ER

A certain customer at a restaurant calculates his tip by adding a cons

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

07 Sep 2021, 05:27

3

2,514

by: bumpbot

24 Mar 2024, 05:08

ER

What is the value of odd positive integer m?

555-605 (Medium) | Multiples and Factors

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

Bunuel

13 Dec 2016, 11:11

6

2,513

by: KrishnakumarKA1

23 Aug 2018, 23:04

ER

If p and j are integers, is tp > tj?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

14 Mar 2017, 02:58

2

2,513

by: BrentGMATPrepNow

29 Aug 2021, 08:19

ER

If p and q are positive integers, can the fraction p/q be expressed as

655-705 (Hard) | Multiples and Factors

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

Bunuel

29 Aug 2019, 06:44

7

4

2,513

by: Bunuel

18 Oct 2024, 08:52

ER

If AB = 2AD. What is the area of rectangle ABCD?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

08 Jul 2021, 01:30

6

4

2,512

by: penco

08 Jul 2021, 05:38

ER

Helena invested $8000 in the Tallahassee City Bank at z% simple annual

Sub 505 (Easy) | Percent and Interest Problems, Word Problems

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

Bunuel

15 Jan 2020, 02:24

2

2,512

by: bumpbot

28 Aug 2023, 05:58

ER

What is the value of X? X is a three digit perfect square with the

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

firas92

17 Oct 2019, 00:24

3

2,512

by: bumpbot

03 Dec 2023, 07:59

ER

If the combined number of men and women who attended a certain

505-555 (Easy) | Fractions and Ratios

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

cnsih1532

03 Feb 2020, 04:45

3

5

2,510

by: QuantMadeEasy

03 Feb 2020, 23:30

ER

If S is a set of four numbers x, y, z and w, is the range of the numbe

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

17 Apr 2017, 01:18

1

3

2,510

by: bumpbot

28 Dec 2022, 06:59

ER

Is 1/a>1/b?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

MathRevolution

31 Dec 2016, 01:34

7

5

2,510

by: bumpbot

24 Mar 2023, 08:36

ER

What is the value of x – y? (1) x + 2y = 6 (2) x = y

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

05 Nov 2017, 01:53

2

2,509

by: Adityagmatclub

06 Nov 2017, 09:53

ER

If x 0, is 1 + x + x^2 + x^3 + x^4 + x^5 < 1/(1 - x) ?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

Bunuel

04 May 2021, 06:10

8

4

2,509

by: ganeshkmr16

19 Feb 2023, 09:16

There are 22 items on a restaurant menu. A menu item cannot contain

655-705 (Hard) | Non-Math Related

655-705 (Hard) | Non-Math Related hide tags

ADisHere

12 Jan 2025, 02:03

16

2

2,509

by: StanleyVu

01 Dec 2025, 01:29

ER

Is the average of ten integers greater than 10?

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

13 Feb 2018, 01:16

1

5

2,508

by: ScottTargetTestPrep

20 Feb 2018, 17:17

ER

What is the area of triangle EBC? (1) The area of ΔAED is 16. (2) Th

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

08 Apr 2021, 11:00

8

2

2,508

by: rvgmat12

24 Mar 2022, 00:25

ER

Is the integer n even ? (1) n^2 - 1 is odd (2) n^(1/2) is an integer

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

15 Oct 2022, 08:01

2

3

2,508

by: devarpanc

19 Oct 2024, 05:07

ER

If a is a positive integer, k and m are integers, and k > m, is a^k >

705-805 (Hard) | Exponents, Inequalities

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

Bunuel

28 Jan 2022, 02:21

10

2

2,508

by: bumpbot

04 Jun 2025, 15:45

ER

If a, b, and c are different integers, is (a − b)^c > 0 ?

605-655 (Medium) | Exponents, Inequalities

605-655 (Medium) | Exponents, Inequalities hide tags

Bunuel

28 Nov 2017, 23:29

4

2

2,507

by: BrentGMATPrepNow

06 Sep 2021, 07:41

ER

What is the median number of audience members attending a showing of a

555-605 (Medium) | Statistics and Sets Problems

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

EMPOWERgmatRichC

03 Oct 2019, 11:43

7

6

2,507

by: bumpbot

18 Jul 2024, 08:59

Is the positive square root of x an integer? (1) x = n^3 and n is a pe

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Carcass

05 Sep 2022, 04:37

12

8

2,507

by: Cowtommi

15 Sep 2024, 12:36

ER

If a clerk enters a total of 24 amounts on an MS-Office Excel sheet th

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

17 Oct 2018, 00:12

9

2

2,506

by: bumpbot

29 Mar 2020, 00:32

ER

In the XY-coordinate plane, is the product of slopes

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

Raxit85

21 Nov 2019, 01:35

3

2,506

by: AJ0784

18 Oct 2021, 23:45

ER

On a certain item, a discount of x% on the marked price gives a trader

805+ (Hard) | Percent and Interest Problems

805+ (Hard) | Percent and Interest Problems hide tags

Bunuel

02 Feb 2021, 01:15

8

3

2,506

by: bumpbot

18 Oct 2022, 12:35

ER

All the terms of a certain sequence x_1,x_2, ..., x_n

705-805 (Hard) | Sequences

705-805 (Hard) | Sequences hide tags

Bunuel

30 Nov 2022, 09:45

4

3

2,506

by: bumpbot

28 May 2024, 16:31

ER

What is the median of the series S_1, S_2, S_3,, S_n where

Poor Quality

Poor Quality hide tags

EBITDA

16 Jul 2016, 05:39

3

5

2,505

by: pallaviisinha

17 Jul 2016, 09:06

ER

GMAT Club Around The World!!! Is x^2 less than or equal to 10y^2?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

31 Dec 2020, 10:30

10

2,505

by: MakSha

03 Jan 2021, 13:22

ER

What is the total area of the figure, if the area of the shaded region

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

05 Sep 2018, 23:38

4

7

2,505

by: bumpbot

08 May 2021, 10:55

ER

If a^3*b^4*c^5<0, is abc<0?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

MathRevolution

25 Nov 2016, 02:25

4

2,505

by: bumpbot

04 Jun 2025, 16:00

ER

A used car reseller was paid a total of $5,000 for a used car. The res

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

16 Oct 2018, 02:18

6

3

2,505

by: GMATinsight

23 Jul 2025, 03:03

ER

Is X a number greater than zero?

Sub 505 (Easy) | Algebra, Number Properties

Sub 505 (Easy) | Algebra, Number Properties hide tags

Bunuel

30 Jul 2019, 23:20

3

2,504

by: TheNightKing

30 Dec 2019, 20:28