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

79,071

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

188,728

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

488,287

by: bb

29 Aug 2025, 13:27

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What is the slope of the line L ?

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shivanigs

11 Sep 2012, 22:30

8

4

11,385

by: Bunuel

12 Sep 2012, 02:13

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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

19,557

by: alphabeta1234

01 Aug 2012, 18:44

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

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IanStewart

09 Jan 2012, 23:38

2

4

3,279

by: mydreammba

13 Jan 2012, 21:45

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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

9,090

by: SonyGmat

09 Jan 2012, 14:45

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

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TrueLie

02 May 2011, 03:06

3

12

4,965

by: amit2k9

04 May 2011, 07:50

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

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spacelandprep

07 Mar 2011, 11:14

2

10

4,802

by: spacelandprep

08 Mar 2011, 16:25

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

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Hussain15

28 Jun 2009, 05:04

5

3

8,217

by: IanStewart

18 Feb 2011, 12:50

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

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rxs0005

21 Dec 2010, 16:33

3

4

3,756

by: tirupatibalaji

24 Dec 2010, 06:56

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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

4,308

by: KarishmaB

23 Nov 2010, 09:26

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

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Creeper300

07 Nov 2010, 00:56

1

5

3,643

by: KarishmaB

07 Nov 2010, 07:14

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

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v1rok

08 Aug 2012, 05:04

3

5

13,223

by: shrouded1

28 Oct 2010, 03:37

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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

7,701

by: shrouded1

17 Sep 2010, 07:43

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Is this a rt triangle

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agnok

20 Jul 2010, 08:26

1

5

3,349

by: trunksli

20 Aug 2010, 21:34

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A community center recorded the number of evening workshops it held in

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

07 May 2026, 19:00

1

2

67

by: BongBideshini

08 May 2026, 09:09

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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

54

26

8,579

by: bumpbot

08 May 2026, 08:45

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

555-605 (Medium) | Work and Rate Problems

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ksharma12

09 Nov 2012, 05:16

72

12

17,209

by: bumpbot

08 May 2026, 08:12

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At a food bank, volunteers packed delivery boxes in only two sizes

555-605 (Medium) | Statistics and Sets Problems

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Bunuel

07 May 2026, 19:00

2

72

by: BongBideshini

08 May 2026, 07:56

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At a home decor shop, 12 lamps were on display on Sunday evening, and

555-605 (Medium) | Percent and Interest Problems +2 tags

555-605 (Medium) | Percent and Interest Problems, Statistics and Sets Problems, Word Problems hide tags

Bunuel

06 May 2026, 19:00

2

90

by: BongBideshini

08 May 2026, 03:28

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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

444

by: Mathewseldo

08 May 2026, 03:12

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Avas desk drawer contains only blue, green, and silver tokens

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

06 May 2026, 19:00

1

3

109

by: BongBideshini

08 May 2026, 03:12

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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

67

8

15,566

by: nbharti

07 May 2026, 12:06

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

805+ (Hard) | Word Problems

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rxs0005

10 Nov 2010, 04:47

16

10

3,647

by: bumpbot

07 May 2026, 08:47

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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

1,493

by: bumpbot

07 May 2026, 07:03

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Kevin rented a car for a cost of c dollars

805+ (Hard) | Word Problems

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NextstopISB

02 Apr 2025, 10:29

5

4

2,108

by: Adit_

07 May 2026, 02:35

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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

2,364

by: bumpbot

06 May 2026, 19:33

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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

21

5

3,693

by: bumpbot

06 May 2026, 07:47

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

605-655 (Medium) | Distance and Speed Problems

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Bunuel

12 Feb 2019, 00:47

6

3

2,030

by: bumpbot

05 May 2026, 22:48

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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

6,209

by: bumpbot

03 May 2026, 13:59

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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

3,233

by: bumpbot

02 May 2026, 02:16

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

Sub 505 (Easy) | Word Problems

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Bunuel

23 May 2020, 05:39

11

4

6,520

by: bumpbot

30 Apr 2026, 21:58

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

2,071

by: bumpbot

30 Apr 2026, 02:50

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

5,491

by: bumpbot

30 Apr 2026, 02:40

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

805+ (Hard) | Sequences

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JayPatadiya

04 Aug 2019, 07:36

5

4

2,788

by: bumpbot

30 Apr 2026, 02:29

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$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

3,754

by: bumpbot

29 Apr 2026, 09:29

ER

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

805+ (Hard) | Distance and Speed Problems

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Bunuel

19 Aug 2021, 08:00

51

6

10,894

by: bumpbot

29 Apr 2026, 07:55

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

705-805 (Hard) | Word Problems

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ExpertsGlobal5

04 Mar 2026, 20:00

8

3

542

by: Siddharth17

29 Apr 2026, 07:54

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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

912

by: bumpbot

29 Apr 2026, 05:53

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

1,598

by: bumpbot

29 Apr 2026, 04:15

ER

What is the sum of the terms in a certain sequence of consecutive inte

605-655 (Medium) | Sequences

605-655 (Medium) | Sequences hide tags

Bunuel

26 May 2021, 02:01

5

3

2,745

by: GrandGG

28 Apr 2026, 05:53

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When Oswaldo was promoted, he expected his salary to increas

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

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

kevincan

20 Mar 2026, 04:11

2

452

by: adconsectetur

27 Apr 2026, 09:35

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A shipping company has two departments, one for standard shipping and

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

20 Nov 2023, 02:30

5

2

2,371

by: bumpbot

27 Apr 2026, 09:20

ER

If the terms of a sequence with even integers are a1, a2, a3, . . . ,

655-705 (Hard) | Sequences

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Bunuel

26 May 2016, 11:09

9

6

4,332

by: bumpbot

27 Apr 2026, 04:40

ER

20 percent of the households in Ruterberg have pets. If 15 percent of

555-605 (Medium) | Overlapping Sets

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Bunuel

13 Dec 2024, 01:30

4

3

1,913

by: bumpbot

26 Apr 2026, 23:48

ER

Julian had five indoor potted plants, each of which - in order to

705-805 (Hard) | Non-Math Related

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HarshitaV

24 Nov 2025, 09:46

14

3

1,688

by: Harsh_

26 Apr 2026, 11:43

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Of the 40 researchers at a certain company, 60 percent work on project

555-605 (Medium) | Overlapping Sets

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guddo

24 Jan 2024, 02:39

30

9

8,354

by: Harsh_

26 Apr 2026, 11:11

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In the sequence T, the first term is the non-zero number a, and each

805+ (Hard) | Sequences

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Bunuel

06 Dec 2023, 02:30

5

3

1,964

by: Bunuel

25 Apr 2026, 23:49

ER

How many parking spaces are occupied in a certain parking lo

505-555 (Easy) | Word Problems

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fozzzy

11 Sep 2013, 06:22

4

2

3,193

by: bumpbot

25 Apr 2026, 11:07

ER

Fifty percent of all the students attending a school on a certain day

605-655 (Medium) | Word Problems

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Bunuel

11 Nov 2019, 04:23

20

4

6,953

by: bumpbot

25 Apr 2026, 05:28

ER

If a number n is pulled out of a hat at random

555-605 (Medium) | Probability

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HKD1710

15 Jan 2017, 08:54

5

2

2,449

by: bumpbot

24 Apr 2026, 12:29

ER

A collector plans to take 4 of his cars to an auto show. How many cars

655-705 (Hard) | Combinations

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Bunuel

24 May 2024, 01:30

13

5

2,662

by: bumpbot

24 Apr 2026, 01:32