GMAT Data Sufficiency (DS) Forum - Free Practice Questions

ER

Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

Bunuel

25 Oct 2022, 08:11

183

15

83,484

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of May 2026

1, 2

Bunuel

01 Jan 2026, 05:45

862

24

191,627

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

491,540

by: bb

29 Aug 2025, 13:27

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

41

7

7,519

by: Adit_

10 May 2026, 08:14

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

5,527

by: bumpbot

10 May 2026, 06:13

ER

Sheldon left his house at 8:30 a.m. and drove to his friend's house

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

Bunuel

03 Aug 2023, 10:00

167

17

31,841

by: Bunuel

10 May 2026, 05:40

ER

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

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

gmatt1476

21 Sep 2019, 16:20

76

9

15,898

by: AbhishekP220108

10 May 2026, 05:14

ER

At the beginning of a show, a lottery representative put one hundred b

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

Lucky2783

09 Apr 2015, 03:19

90

12

9,082

by: rish_dutton

10 May 2026, 05:02

ER

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

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

Bunuel

07 May 2026, 19:00

4

3

376

by: Bunuel

10 May 2026, 04:15

ER

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

2

3

342

by: Bunuel

10 May 2026, 03:00

ER

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

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

Bunuel

06 May 2026, 19:00

7

4

401

by: Bunuel

10 May 2026, 02:30

ER

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

4

3

378

by: Bunuel

10 May 2026, 01:15

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

45

9

13,991

by: bumpbot

09 May 2026, 23:54

ER

During a one day sale, a store sold each sweater of a certain type for

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

netcaesar

12 Dec 2018, 05:06

118

17

44,866

by: bumpbot

09 May 2026, 23:38

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

4,478

by: bumpbot

09 May 2026, 22:02

ER

Each car at a certain dealership is either blue or white. What is the

Sub 505 (Easy) | Fractions and Ratios, Word Problems

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

parkhydel

28 Apr 2020, 04:12

31

6

13,425

by: IshmaelJN

09 May 2026, 15:21

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

53

4

7,130

by: bumpbot

09 May 2026, 11:01

ER

Two men, A and B, are assigned to complete a piece of work. A and B st

555-605 (Medium) | Work and Rate Problems

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

Bunuel

05 Jul 2017, 00:44

13

5

3,759

by: bumpbot

09 May 2026, 07:31

ER

Are all travelers who show symptoms of Kasparian-Yamanaka Syndrome

555-605 (Medium) | Non-Math Related

555-605 (Medium) | Non-Math Related hide tags

Bunuel

16 Jan 2024, 10:30

10

7

4,587

by: bumpbot

09 May 2026, 06:38

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

47

11

5,825

by: bumpbot

09 May 2026, 06:16

ER

An airport screens bags for forbidden items and an alarm is supposed

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

Bunuel

27 May 2024, 01:30

20

2

2,999

by: crimson_noise

09 May 2026, 06:13

ER

Cathy was born less than 10 years ago and Karen is at least 22 years

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

13 Jul 2020, 03:47

11

5

2,789

by: bumpbot

09 May 2026, 05:18

ER

Elena left Riverton and drove to Lakehurst, which is 420

805+ (Hard) | Distance and Speed Problems

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

Bunuel

01 May 2026, 11:24

7

504

by: VibhuAnurag

09 May 2026, 03:05

ER

The table below shows the numbers of four pastry box types sold by

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

05 May 2026, 19:00

6

4

416

by: Bunuel

09 May 2026, 02:45

ER

Solomon leases space for his barber shop, and his landlord has

605-655 (Medium) | Percent and Interest Problems

605-655 (Medium) | Percent and Interest Problems hide tags

guddo

30 May 2024, 11:01

66

7

7,912

by: bumpbot

09 May 2026, 00:53

ER

A conveyor belt moves bottles at a constant speed of 120 centimeters

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

Bunuel

25 Oct 2015, 09:05

329

18

51,009

by: bumpbot

08 May 2026, 11:47

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

59

26

8,990

by: bumpbot

08 May 2026, 08:45

ER

What is the numerical value of the second term in the following sequen

Sub 505 (Easy) | Sequences

Sub 505 (Easy) | Sequences hide tags

Bunuel

01 Jun 2022, 06:00

1

2

1,609

by: bumpbot

08 May 2026, 08:17

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

17,375

by: bumpbot

08 May 2026, 08:12

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

5

589

by: Mathewseldo

08 May 2026, 03:12

ER

At a certain car dealership, what percent of the cars both weigh more

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

Bunuel

04 May 2026, 19:00

1

5

305

by: Bunuel

08 May 2026, 02:00

ER

List A is split into two sub-lists B and C. All the elements of list B

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

RenB

11 Aug 2023, 21:58

6

2

2,260

by: bumpbot

07 May 2026, 22:05

ER

If m and n are positive integers, is m + n divisible by 4 ?

605-655 (Medium) | Multiples and Factors

605-655 (Medium) | Multiples and Factors hide tags

Carcass

27 Jul 2017, 05:33

441

17

39,949

by: Bunuel

07 May 2026, 20:05

ER

The average bill at Veracruz Restaurant yesterday was $50 pe

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

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

kevincan

01 Apr 2026, 03:31

7

6

538

by: AbhishekP220108

07 May 2026, 10:35

ER

A chef mixes P ounces of 60% sugar solution with Q ounces of a 10% sug

605-655 (Medium) | Mixture Problems

605-655 (Medium) | Mixture Problems hide tags

Bunuel

05 May 2026, 08:29

86

18

14,892

by: Gmat860sanskar

07 May 2026, 09:34

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

3,718

by: bumpbot

07 May 2026, 08:47

ER

The twelve numbers shown represent, the ages, in years, of the twelve

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

10 May 2026, 12:42

5

4

6,550

by: bumpbot

07 May 2026, 08:11

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

1,566

by: bumpbot

07 May 2026, 07:03

ER

If p is an integer and p* = p^2 + 2, what is the value of integer k?

705-805 (Hard) | Functions and Custom Characters, Remainders

705-805 (Hard) | Functions and Custom Characters, Remainders hide tags

Bunuel

12 Sep 2017, 23:35

24

17

4,170

by: bumpbot

07 May 2026, 04:07

ER

A certain car dealership has two locations. Last month, an average (ar

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

17 Oct 2019, 01:57

11

2

6,377

by: bumpbot

07 May 2026, 03:45

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

8

4

2,209

by: Adit_

07 May 2026, 02:35

ER

At a delivery depot, some parcels currently loaded onto Van Cedar are

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

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

Bunuel

03 May 2026, 19:00

5

311

by: Bunuel

07 May 2026, 02:30

ER

A vending machine dispenses one drink at random from 48 drinks stocked

805+ (Hard) | Overlapping Sets, Probability

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

Bunuel

03 May 2026, 19:00

3

4

303

by: Bunuel

07 May 2026, 01:30

ER

Boats X and Y are moving towards each other in still water. They recei

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

Bunuel

06 May 2020, 22:39

9

6

3,652

by: bumpbot

06 May 2026, 23:16

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

2,466

by: bumpbot

06 May 2026, 19:33

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

23

5

3,858

by: bumpbot

06 May 2026, 07:47

ER -1

Mrs. Claus is selecting three reindeer from the herd for a special

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

Bunuel

10 May 2024, 01:30

28

10

3,912

by: bumpbot

06 May 2026, 07:03

ER

If the average (arithmetic mean) of four numbers is 10, how many of

705-805 (Hard) | Statistics and Sets Problems

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

AverageGuy123

27 Feb 2015, 21:22

23

6

15,267

by: bumpbot

06 May 2026, 00:44

ER

At a certain banquet, meals were served in only 2 locations. In the

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

guddo

24 Jan 2024, 03:53

71

9

10,516

by: RSaurastri

05 May 2026, 23:24

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

8

3

2,141

by: bumpbot

05 May 2026, 22:48

ER

A certain plumber charges $92 for each job completed in 4 hours or

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

26 Jun 2017, 02:31

168

16

39,647

by: bumpbot

05 May 2026, 12:25

ER

In four production runs (Runs 1 to 4), a quality inspector found

705-805 (Hard) | Statistics and Sets Problems

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

Bunuel

26 Apr 2026, 14:00

7

5

646

by: Bunuel

05 May 2026, 11:02

ER

A furniture manufacturer produced at least 3 cabinets each day for the

705-805 (Hard) | Statistics and Sets Problems

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

gracieguidotti

12 Jan 2024, 09:28

143

8

16,672

by: bumpbot

05 May 2026, 10:52