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

176

15

78,674

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

854

24

188,494

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

487,889

by: bb

29 Aug 2025, 13:27

ER

Is x < w ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

[email protected]

10 Jul 2016, 02:52

112

10

38,807

by: Maria240895chile

19 Apr 2023, 07:14

ER

If x and y are integers, is x an even integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

anilnandyala

09 Jan 2011, 08:45

52

5

19,548

by: totaltestprepNick

23 Feb 2026, 13:45

ER

On Jane's credit card account, the average daily balance for 30-day

705-805 (Hard) | Statistics and Sets Problems, Word Problems

705-805 (Hard) | Statistics and Sets Problems, Word Problems hide tags

anilnandyala

07 Jun 2019, 04:04

419

18

51,757

by: ExpertsGlobal5

30 Nov 2025, 22:26

ER

If k is a 3 digit positive number, what is the hundred digit

655-705 (Hard) | Fractions and Ratios

655-705 (Hard) | Fractions and Ratios hide tags

anilnandyala

09 Nov 2010, 06:19

161

11

21,905

by: bumpbot

17 Sep 2025, 00:37

ER

A certain jar contains only b black marbles, w white marbles and r red

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

anilnandyala

16 Nov 2010, 06:43

291

17

45,569

by: bumpbot

27 Apr 2025, 06:06

ER

In the table above, is z = 20q ?

605-655 (Medium) | Arithmetic

605-655 (Medium) | Arithmetic hide tags

anilnandyala

02 Nov 2010, 06:21

77

10

19,269

by: bumpbot

30 Mar 2025, 14:59

ER

If 243^x*463^y = n, where x and y are positive integers

655-705 (Hard) | Exponents

655-705 (Hard) | Exponents hide tags

anilnandyala

02 Oct 2010, 04:44

148

7

23,394

by: bumpbot

26 Oct 2024, 08:39

ER

Is triangle ABC isosceles?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

anilnandyala

09 Dec 2010, 07:22

97

11

11,579

by: bumpbot

23 Oct 2024, 04:55

ER

The symbol # represents one of the four arithmetic operation

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

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

anilnandyala

09 Jan 2011, 08:49

61

8

27,981

by: bumpbot

26 Jun 2024, 08:04

ER

In the figure, ABC is an equilateral triangle, and DAB is a right

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

anilnandyala

01 Dec 2010, 06:29

84

11

28,428

by: bumpbot

07 Oct 2023, 07:45

ER

If k is a line in the xy-plane, what is the slope of k ?

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

anilnandyala

28 Oct 2010, 08:58

8

3

14,629

by: bumpbot

16 Jul 2023, 21:46

ER

A trip coordinator bought a certain number of $47 tickets

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

anin

20 Jun 2010, 15:19

35

7

8,796

by: bumpbot

14 Aug 2023, 10:12

Is x an even integer ? (1) x is the sum of all positive integers rang

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

AnisMURR

08 Oct 2020, 09:39

5

1,940

by: bumpbot

27 Nov 2023, 11:10

ER

Is X an even integer ?

Poor Quality

Poor Quality hide tags

AnisMURR

12 Oct 2020, 10:58

4

5

1,202

by: VoltAmpere

15 Oct 2020, 17:49

ER

If |2x-1| < 5, is |x|<2 ?

655-705 (Hard) | Absolute Values, Inequalities

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

AnisMURR

19 Dec 2018, 02:12

6

5

1,810

by: energetics

20 Apr 2019, 15:32

ER

If x^3 < x^2, is x > 0 ?

605-655 (Medium) | Absolute Values, Inequalities

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

AnisMURR

15 Dec 2018, 04:01

6

3

1,844

by: chetan2u

15 Dec 2018, 19:40

ER

If x^3 < x^2, is x < 0 ?

605-655 (Medium) | Absolute Values, Inequalities

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

AnisMURR

31 Oct 2018, 01:45

1

3

1,846

by: GMATinsight

31 Oct 2018, 20:24

ER

Is x < 0 ? (1) x^2 < 0.5 (2) |x - 0.1| = 0.05

555-605 (Medium) | Absolute Values, Inequalities

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

AnisMURR

29 Oct 2018, 07:12

2

1,487

by: Archit3110

29 Oct 2018, 09:42

ER

Are at least 20% of the people in City H who are at least 30

705-805 (Hard) | Percent and Interest Problems

705-805 (Hard) | Percent and Interest Problems hide tags

anjanapadmaraj4

11 Aug 2011, 07:28

36

12

9,175

by: Adit_

23 Feb 2026, 23:58

ER

If xy < 3, is x < 3 ?

655-705 (Hard) | Absolute Values, Inequalities

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

Ankit04041987

18 Jun 2012, 02:23

11

10

6,353

by: CEdward

02 Feb 2021, 14:59

ER

Is x^3 > 1? (1) x > -2 (2) 2x – (b – c) < c – (b – 2)

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

ankita1211

10 Aug 2018, 01:08

13

3

5,934

by: bumpbot

14 Dec 2025, 00:20

ER

A certain electronic memory game is played by answering equa

Poor Quality

Poor Quality hide tags

ankitD

09 Feb 2013, 04:54

1

5

3,002

by: IanStewart

10 Feb 2013, 07:24

ER

During a 7-year period the profits of Midas, Inc. changed by

555-605 (Medium) | Percent and Interest Problems

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

ankithakhu

28 Mar 2010, 01:57

19

12

7,082

by: bumpbot

13 May 2024, 10:25

ER

A certain student sold exactly 40% of all the tickets sold

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

AnkitK

15 Jun 2011, 11:26

17

14

8,002

by: bumpbot

16 Jul 2025, 01:03

ER

If y and z are nonzero integers, is the square of (y + z) even?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

AnkitK

04 May 2011, 18:20

15

12

12,966

by: Bunuel

22 Jun 2025, 10:54

ER

What is the value of (a! + b!)(c! + d!)?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

AnkitK

29 Aug 2019, 07:19

52

13

12,253

by: bumpbot

18 Jun 2025, 10:10

ER

In the figure ,small circel with radius r intersects larger

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

AnkitK

11 May 2011, 23:45

51

13

18,166

by: bumpbot

27 Jul 2022, 21:23

triangle A has one side of lenght x. if x^4=81 what is the

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

AnkitK

08 May 2011, 05:39

29

15

14,365

by: KavyaVijay

20 Aug 2021, 12:16

ER

If x and y are both integers, which is larger, x^x or y^y?

655-705 (Hard) | Exponents, Inequalities

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

AnkitK

23 Jul 2011, 02:25

4

7

4,983

by: Bunuel

08 Sep 2013, 06:04

ER

If x and y are distinct positive integers, what is the value

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

ankitmania

18 Jul 2010, 08:11

48

6

13,076

by: bumpbot

17 May 2025, 07:16

ER

Is x > 7?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

ankur1901

11 Jan 2014, 00:11

2

2,270

by: bumpbot

29 Mar 2017, 06:13

ER

Tim can buy a certain computer for $800 at a local store,

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

AnkurGMAT20

12 Jan 2024, 09:15

43

7

10,651

by: bumpbot

26 Dec 2025, 01:11

ER

Generally, not every person who has reserved a seat on a commercial

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

AnkurGMAT20

07 Jan 2024, 22:06

27

5

8,582

by: Bunuel

25 Nov 2025, 00:14

ER

If a contestant on a radio show answers a question correctly

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

AnkurGMAT20

30 Aug 2024, 09:58

12

2

4,653

by: bumpbot

03 Nov 2025, 13:22

ER

For a certain store last month, the ratio of earnings to expenses was

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

AnkurGMAT20

12 Jan 2024, 09:26

8

3

4,512

by: bumpbot

22 May 2025, 05:23

ER

Of the members of a certain health club, 30 percent are wome

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

ankurjohar

24 Jun 2013, 12:08

33

9

8,348

by: bumpbot

05 Feb 2025, 04:24

A company paid a total of $28,000 for software licenses

805+ (Hard) | Percent and Interest Problems

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

ankushsambare

05 Oct 2025, 00:54

9

3

689

by: dnl240

05 Oct 2025, 01:52

ER

What is the value of a? (1) |a|−|b|=0 (2) |a|+|b|=0

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

ANMKGMAT2018

19 Sep 2018, 02:40

16

3

5,416

by: bumpbot

21 Dec 2025, 06:29

ER

If |x² + 3x – 7| = 3, is x prime?

805+ (Hard) | Absolute Values +2 tags

805+ (Hard) | Absolute Values, Algebra, Inequalities hide tags

anmolmakkarz17

31 Oct 2019, 11:28

16

7

4,028

by: bumpbot

05 Aug 2025, 09:08

ER

If a and b are constants such that a < b, is the graph of x on the

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

anmolmakkarz17

03 Nov 2019, 12:04

6

7

2,736

by: bumpbot

12 Nov 2023, 19:35

ER

If 0 < x < 1 and m=(1/2^n)

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

anmolmakkarz17

06 Nov 2019, 04:05

15

5

2,039

by: wickedvikram

25 May 2023, 00:38

ER

In the figure above, ABCDEF is a regular hexagon with

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

anmolmakkarz17

01 Nov 2019, 10:42

13

5

5,627

by: KarishmaB

15 Jul 2020, 23:55

ER

Henry purchased three items during a sale. He received a 20% discount

555-605 (Medium) | Percent and Interest Problems

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

annaleroy

08 Mar 2015, 13:22

123

16

35,535

by: bumpbot

12 Feb 2025, 10:48

If Y does not equal 0, is X= 0?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Annecee

26 May 2019, 10:28

6

9

2,741

by: minustark

02 Mar 2020, 16:24

ER

If Chris saved $400 of his earnings last month, How much did Chris ear

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

annusngh

30 Mar 2017, 04:35

3

5

2,251

by: bumpbot

03 Sep 2024, 11:55

If set B is a subset of Set A, how many elements are in set

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

anon1

28 Nov 2012, 22:15

11

15,581

by: PrashantPonde

26 Jan 2013, 00:41

ER

If t is a positive integer and 3*10^t > 15,000, what is t?

605-655 (Medium) | Exponents, Inequalities

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

anooo31

06 May 2018, 01:58

8

6

3,041

by: bumpbot

16 Jun 2025, 09:03

ER

If rt ≠ 0, is qt > sr? (1) q/r < s/t (2) rt < 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

anooo31

02 May 2018, 23:29

25

8

4,304

by: bumpbot

08 Jun 2024, 23:12

ER

An unknown number of coins have been scattered on a table.

805+ (Hard) | Percent and Interest Problems

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

AnthonyUnique

19 Jun 2019, 02:50

14

4

2,234

by: bumpbot

10 Jul 2024, 07:57

ER

If y and z are integers, is y*(z + 1) odd? (1) y is odd (2)

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

anticipation

06 Sep 2010, 07:39

21

12

19,418

by: bumpbot

16 Feb 2025, 19:12