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

79,135

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

188,766

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

488,356

by: bb

29 Aug 2025, 13:27

ER

A gym that sold only individual and family memberships charged $500

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

26 Jun 2022, 20:30

2

1,616

by: bumpbot

29 Apr 2026, 04:15

ER

Brady, Charlie, and Daryl play on the same baseball team. The number o

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

20 Nov 2022, 12:45

1

2

916

by: bumpbot

29 Apr 2026, 05:53

ER

A contractor was hired to build a house for $132,000, consisting of

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

ExpertsGlobal5

04 Mar 2026, 20:00

8

3

552

by: Siddharth17

29 Apr 2026, 07:54

ER

GMAT CLUB OLYMPICS: Odyssey runs from the Trojan Horse, which does not

805+ (Hard) | Distance and Speed Problems

805+ (Hard) | Distance and Speed Problems hide tags

Bunuel

19 Aug 2021, 08:00

51

6

10,896

by: bumpbot

29 Apr 2026, 07:55

ER

$20,000 was deposited into bank, with interest compounded quarterly.

655-705 (Hard) | Percent and Interest Problems

655-705 (Hard) | Percent and Interest Problems hide tags

frombelarus

19 Apr 2020, 11:41

16

4

3,763

by: bumpbot

29 Apr 2026, 09:29

ER

A, B, C and D are in Arithmetic Progression, what is the num

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

JayPatadiya

04 Aug 2019, 07:36

5

4

2,792

by: bumpbot

30 Apr 2026, 02:29

ER

If xФy = (2x - y)/(2y - x), where x ≠ 2y, then is a≠b > b≠a ?

805+ (Hard) | Functions and Custom Characters, Inequalities

805+ (Hard) | Functions and Custom Characters, Inequalities hide tags

gmatprep2011

16 Apr 2011, 06:28

11

5,495

by: bumpbot

30 Apr 2026, 02:40

ER

In a certain international contest the winners received only gold and

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

13 May 2021, 00:15

5

4

2,086

by: bumpbot

30 Apr 2026, 02:50

ER

A poplar tree was 3 feet high when it was planted on January 1, 1970.

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

23 May 2020, 05:39

11

4

6,531

by: bumpbot

30 Apr 2026, 21:58

ER

A function f(x) is defined as f(x) = x + x2 for an integer x. If a is

805+ (Hard) | Functions and Custom Characters, Number Properties

805+ (Hard) | Functions and Custom Characters, Number Properties hide tags

Bunuel

03 Jun 2020, 23:02

15

5

3,241

by: bumpbot

02 May 2026, 02:16

ER

All of the seats in a lecture hall are arranged in 15 rows.

505-555 (Easy) | Sequences, Word Problems

505-555 (Easy) | Sequences, Word Problems hide tags

fozzzy

17 Sep 2013, 01:40

5

4

6,217

by: bumpbot

03 May 2026, 13:59

ER

How long did it take Ms. Nkalubo to drive her family nonstop from her

605-655 (Medium) | Distance and Speed Problems

605-655 (Medium) | Distance and Speed Problems hide tags

Bunuel

12 Feb 2019, 00:47

7

3

2,052

by: bumpbot

05 May 2026, 22:48

ER

10 + 11 + 12 +...+ x = 5106 What is x?

605-655 (Medium) | Arithmetic, Sequences

605-655 (Medium) | Arithmetic, Sequences hide tags

huongguyen

15 Oct 2021, 20:19

22

5

3,717

by: bumpbot

06 May 2026, 07:47

ER

Every game of chess that Artem played this month resulted in a win, a

505-555 (Easy) | Fractions and Ratios, Word Problems

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

Bunuel

23 Mar 2022, 07:30

5

4

2,374

by: bumpbot

06 May 2026, 19:33

ER -1

Kevin rented a car for a cost of c dollars

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

NextstopISB

02 Apr 2025, 10:29

7

4

2,122

by: Adit_

07 May 2026, 02:35

ER

Consider this set of 5 Integers. {7, C, A, T, 23} What is the Sum of

555-605 (Medium) | Statistics and Sets Problems

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

sandykathuria3

29 Nov 2019, 11:19

4

7

1,512

by: bumpbot

07 May 2026, 07:03

ER

Of 100 dogs at an animal shelter, some are doxin and the

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

rxs0005

10 Nov 2010, 04:47

16

10

3,657

by: bumpbot

07 May 2026, 08:47

ER

In a basketball game, both Heather and Irene scored 30 baske

655-705 (Hard) | Percent and Interest Problems, Word Problems

655-705 (Hard) | Percent and Interest Problems, Word Problems hide tags

kevincan

10 Apr 2026, 13:23

4

5

475

by: Mathewseldo

08 May 2026, 03:12

ER

Working together at their constant rates, A and B can fill

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

ksharma12

09 Nov 2012, 05:16

72

12

17,226

by: bumpbot

08 May 2026, 08:12

ER

GMAT Club Olympics 2024 (Day 2): Of the 100 flowers in a garden, 3/4

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

1, 2

Bunuel

09 Jul 2024, 07:00

55

26

8,602

by: bumpbot

08 May 2026, 08:45

ER

12 Days of Christmas GMAT Competition - Day 1: After closing the

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

16 Dec 2024, 09:00

44

11

5,505

by: bumpbot

09 May 2026, 06:16

ER

If the mean of set S is 20, what is the median of set S ?

805+ (Hard) | Statistics and Sets Problems

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

vijaisingh2001

24 Feb 2017, 10:03

52

4

7,050

by: bumpbot

09 May 2026, 11:01

ER

Is the range of numbers {a, b, c, d, e} greater than 10?

555-605 (Medium) | Statistics and Sets Problems

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

whiplash2411

11 Oct 2010, 14:50

8

7

4,392

by: bumpbot

09 May 2026, 22:02

ER

If the price of a magazine is to be doubled, by what percent

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

sky

08 Jul 2010, 04:04

42

9

13,785

by: bumpbot

09 May 2026, 23:54

ER

At a certain university recreation center, a member can receive a 30-m

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

gmatt1476

21 Sep 2019, 16:20

71

9

15,620

by: AbhishekP220108

10 May 2026, 05:14

ER

Simon and Tara, who live in Neighborhood Z, wish to watch a movie toge

Sub 505 (Easy) | Non-Math Related

Sub 505 (Easy) | Non-Math Related hide tags

GMATF685

16 Nov 2023, 22:17

15

3

5,365

by: bumpbot

10 May 2026, 06:13

ER

1/3 of golfers also play tennis, 3/5 of tennis players also surf. 4/7

805+ (Hard) | Fractions and Ratios +2 tags

805+ (Hard) | Fractions and Ratios, Overlapping Sets, Probability hide tags

NikkiL

01 Jan 2021, 00:29

40

7

7,423

by: Adit_

10 May 2026, 08:14

ER

During a penalty-scored trivia challenge, Sophia worked through a set

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

10 May 2026, 19:00

1

3

42

by: Bunuel

11 May 2026, 01:30

ER

A warehouse manager recorded the weights of all the crates in one

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

10 May 2026, 19:00

1

2

43

by: Bunuel

11 May 2026, 02:30

ER

Is this a rt triangle

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Poor Quality hide tags

agnok

20 Jul 2010, 08:26

1

5

3,353

by: trunksli

20 Aug 2010, 21:34

ER

If n and k are integers greater than 0. What is the remainder when (n

655-705 (Hard) | Number Properties, Out of Scope - Too Hard

655-705 (Hard) | Number Properties, Out of Scope - Too Hard hide tags

shrouded1

17 Sep 2010, 07:38

10

6

7,703

by: shrouded1

17 Sep 2010, 07:43

ER

Given a set {x, y, z}, if the first term in the data set

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Poor Quality hide tags

v1rok

08 Aug 2012, 05:04

3

5

13,225

by: shrouded1

28 Oct 2010, 03:37

ER

a^2+b^2=6, a+b=? 1. b-a=2 2. a=-b

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Poor Quality hide tags

Creeper300

07 Nov 2010, 00:56

1

5

3,645

by: KarishmaB

07 Nov 2010, 07:14

ER

What is the volume of a cardboard box with sides a, b, and c ?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

TehJay

22 Nov 2010, 19:55

4

4,310

by: KarishmaB

23 Nov 2010, 09:26

ER

If 8 < k < 8, is k < 2 ?

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rxs0005

21 Dec 2010, 16:33

3

4

3,759

by: tirupatibalaji

24 Dec 2010, 06:56

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Are two triangles congruent? (I) They are both equilateral

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Poor Quality hide tags

Hussain15

28 Jun 2009, 05:04

5

3

8,224

by: IanStewart

18 Feb 2011, 12:50

ER

Is x > sqrt(3)? (1) 3^(x) = sqrt(27) (2)x^3 + x^5 + x^7

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Poor Quality hide tags

spacelandprep

07 Mar 2011, 11:14

2

10

4,805

by: spacelandprep

08 Mar 2011, 16:25

ER

What is value of the fraction x/y? 1) x-y = 14 2) 2x = 5y

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Poor Quality hide tags

TrueLie

02 May 2011, 03:06

3

12

4,967

by: amit2k9

04 May 2011, 07:50

ER

In the figure above, what is the ratio of the area of triangle ABC to

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SonyGmat

08 Jan 2012, 04:59

2

9

9,091

by: SonyGmat

09 Jan 2012, 14:45

ER

Is |x-2|+|x+2|<4?

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Poor Quality hide tags

IanStewart

09 Jan 2012, 23:38

2

4

3,280

by: mydreammba

13 Jan 2012, 21:45

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If sets X and Y have an equal number of elements, does set X have a

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enigma123

23 Nov 2011, 13:58

26

7

19,561

by: alphabeta1234

01 Aug 2012, 18:44

ER

What is the slope of the line L ?

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shivanigs

11 Sep 2012, 22:30

8

4

11,386

by: Bunuel

12 Sep 2012, 02:13

ER

If f(x) = 2^x + 2^-2, and x is an integer

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gmatbull

06 Dec 2012, 05:07

3

2,496

by: mikemcgarry

07 Dec 2012, 12:05

ER

Is square root of a positive integer x an integer?

705-805 (Hard) | Multiples and Factors, Number Properties

705-805 (Hard) | Multiples and Factors, Number Properties hide tags

summer101

03 Jun 2013, 07:14

37

2

9,779

by: Bunuel

05 Jun 2013, 03:07

ER

Three machines, K, M, and P, working simultaneously and

Sub 505 (Easy) | Work and Rate Problems

Sub 505 (Easy) | Work and Rate Problems hide tags

rajman41

01 Jun 2012, 21:01

10

3

6,156

by: Bunuel

01 Jul 2013, 00:03

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

4,993

by: Bunuel

08 Sep 2013, 06:04

ER

p and q are different two-digit prime numbers with the same

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

cvsmech

28 Sep 2011, 14:06

41

9

33,899

by: Bunuel

08 Sep 2013, 07:00

ER

By what percent is the time taken by 12 men to complete a pa

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tabsang

28 Dec 2012, 05:49

10

6

4,912

by: fmomen01

22 Oct 2013, 07:14

ER

Let denote a mathematical operation. Is it true that x y

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conty911

25 Apr 2012, 22:35

4

3

6,558

by: Bunuel

30 Oct 2013, 07:59

ER

What is the value of b ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

avohden

22 Oct 2013, 22:00

5

3,074

by: Bunuel

01 Dec 2013, 07:21