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

176

15

78,662

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

188,481

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

487,876

by: bb

29 Aug 2025, 13:27

ER

There are three different ways to score in basketball. A successful

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

27 Jun 2024, 01:30

41

10

7,587

by: bumpbot

23 Apr 2026, 08:45

ER

A car traveled a distance of d miles in t minutes at an average rate

505-555 (Easy) | Distance and Speed Problems

505-555 (Easy) | Distance and Speed Problems hide tags

Bunuel

23 May 2020, 09:14

28

7

12,231

by: bumpbot

23 Apr 2026, 09:09

ER

A small factory that produces only upholstered chairs and sofas uses 1

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

26 Jun 2018, 05:50

22

6

12,511

by: bumpbot

23 Apr 2026, 09:50

ER

In a certain Italian recipe book, every recipe that includes oregano

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

Bunuel

27 Jun 2024, 01:30

17

4

1,283

by: bumpbot

23 Apr 2026, 10:08

ER

A community theater sold tickets for the same show in January and in

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

22 Apr 2026, 19:00

4

2

110

by: BongBideshini

23 Apr 2026, 10:46

ER

Yesterday it rained in Baronia. Did it rain in Dukia?

655-705 (Hard) | Non-Math Related

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

Bunuel

21 May 2016, 03:47

64

7

15,354

by: Bunuel

23 Apr 2026, 11:01

ER

From 1994 to 1995, the revenue of a company increased x percent. From

705-805 (Hard) | Percent and Interest Problems

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

Bunuel

03 Jan 2021, 11:19

14

8

5,661

by: bumpbot

23 Apr 2026, 23:03

ER

In the coordinate plane, a triangle has points (4,6), (8,6), and (x,y)

605-655 (Medium) | Coordinate Plane, Geometry

605-655 (Medium) | Coordinate Plane, Geometry hide tags

Bunuel

23 May 2018, 22:53

15

4

4,265

by: dhairya18

23 Apr 2026, 23:51

ER

Cars Y and Z travel side-by-side at the same rate of speed along paral

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

Bunuel

06 Mar 2023, 00:15

131

12

18,170

by: bumpbot

24 Apr 2026, 00:07

ER

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

655-705 (Hard) | Combinations

655-705 (Hard) | Combinations hide tags

Bunuel

24 May 2024, 01:30

12

5

2,589

by: bumpbot

24 Apr 2026, 01:32

ER

What is the average (arithmetic mean) of a sequence of N consecutive

605-655 (Medium) | Sequences

605-655 (Medium) | Sequences hide tags

Bunuel

22 Sep 2023, 01:30

9

2

2,251

by: GrandGG

24 Apr 2026, 05:30

ER

Elena, Marco, and Sofia each had one folder to copy to an external

655-705 (Hard) | Non-Math Related, Word Problems

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

Bunuel

12 Apr 2026, 19:00

5

11

375

by: BPranav7

24 Apr 2026, 09:34

ER

At a small architecture firm, the average (arithmetic mean) age of the

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

23 Apr 2026, 19:00

1

3

109

by: BongBideshini

24 Apr 2026, 21:24

ER

At a water-treatment facility, a pump was used to fill an empty

555-605 (Medium) | Work and Rate Problems

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

Bunuel

23 Apr 2026, 19:00

3

97

by: BongBideshini

24 Apr 2026, 21:30

ER

10 children have ordered a total of 17 hamburgers, and each child has

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

14 Jan 2021, 01:15

8

9

2,808

by: Tanpok

25 Apr 2026, 04:04

ER

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

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

11 Nov 2019, 04:23

20

4

6,858

by: bumpbot

25 Apr 2026, 05:28

ER

A company sells item X and Y at different discount before the Christma

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

23 Jul 2022, 13:30

2

1,106

by: bumpbot

25 Apr 2026, 05:35

ER

At a certain animal shelter, there are nine dogs available for

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

Bunuel

06 Feb 2023, 07:43

50

17

8,605

by: Peterparker2

25 Apr 2026, 05:36

ER

During a wedding season, two event venues, Cedar Hall and Willow Hall

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

22 Apr 2026, 19:00

3

133

by: Edskore

25 Apr 2026, 08:21

ER

Two cyclists are racing up a mountain at different constant rates. Cyc

605-655 (Medium) | Distance and Speed Problems

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

Bunuel

24 Aug 2016, 07:22

20

7

4,946

by: bumpbot

25 Apr 2026, 09:31

ER

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

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

Bunuel

06 Dec 2023, 02:30

5

3

1,891

by: Bunuel

25 Apr 2026, 23:49

ER

At a shipping center, every package in a certain batch is either

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

19 Apr 2026, 19:00

4

3

146

by: Bunuel

26 Apr 2026, 01:00

ER

At a community arts festival, each of the 72 volunteers was assigned

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

19 Apr 2026, 19:00

4

3

151

by: Bunuel

26 Apr 2026, 02:30

ER

Georges Gas Station gets fuel from two different fuel suppliers

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

19 Jan 2026, 03:45

3

2

398

by: Edskore

26 Apr 2026, 05:25

ER

A certain number of books are to be divided by students. If the number

605-655 (Medium) | Multiples and Factors +2 tags

605-655 (Medium) | Multiples and Factors, Remainders, Word Problems hide tags

Bunuel

19 Oct 2021, 01:30

2

4

2,086

by: bumpbot

26 Apr 2026, 11:08

ER

SliceCo, a company that sells knives, is structured so that each of it

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

bumpbot

17 Jun 2019, 08:24

9

8

3,688

by: bumpbot

18 Sep 2024, 11:26

ER

In xy-plane,does line with equation y=3x+1 contain the point (p,q)?

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

BullRunner

28 Jun 2018, 20:48

12

2

3,747

by: stoned

11 Apr 2022, 00:32

ER

At a souvenir shop, all posters are priced equally and all

505-555 (Easy) | Multiples and Factors

505-555 (Easy) | Multiples and Factors hide tags

bulletpoint

15 Oct 2013, 08:04

116

12

39,359

by: bumpbot

11 Sep 2023, 17:36

ER

What is the value of x^2 - y^2?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

bulletpoint

20 Oct 2013, 06:32

258

11

65,564

by: bumpbot

02 Jan 2025, 10:47

ER

On a trolley ride around an amusement park, a child traveler

555-605 (Medium) | Distance and Speed Problems

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

bulletpoint

14 Oct 2013, 08:47

489

9

71,301

by: bumpbot

30 May 2025, 03:08

ER

Quick Sell Outlet sold a total of 40 televisions, each of

655-705 (Hard) | Statistics and Sets Problems

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

1, 2

bulletpoint

14 Oct 2013, 08:51

625

22

84,199

by: egmat

26 Sep 2025, 03:28

ER

If, on a coordinate plane, point A has the coordinates

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Bull78

25 Jul 2010, 12:53

8

11

5,246

by: abhishekmayank

14 Dec 2021, 00:14

ER

Is x > 0 ? (1) xy > 0 (2) x + y > 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bull78

10 Aug 2010, 14:58

15

7

8,501

by: bumpbot

19 Nov 2024, 15:52

ER

If k does not equal 0, 1 or -1, is 1/k > 0 (1) 1/(k-1) > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bull78

10 Aug 2010, 12:05

80

14

31,442

by: bumpbot

03 Jun 2025, 23:27

ER

Martha bought several pencils. If each pencil was either a

555-605 (Medium) | Algebra, Word Problems

555-605 (Medium) | Algebra, Word Problems hide tags

1, 2

Bull78

01 Sep 2010, 10:02

390

26

63,902

by: totaltestprepNick

03 Mar 2026, 13:50

ER

A cafe has a lunch special with a base price of $5.00.

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

BukrsGmat

09 Aug 2012, 23:30

11

3

4,885

by: dd29

15 Sep 2014, 03:40

ER

Is y!/x! an integer?

Poor Quality

Poor Quality hide tags

BukrsGmat

13 Jul 2012, 04:17

7

10

7,601

by: akshayk

13 Jun 2017, 22:34

ER

What is value of x - y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

BukrsGmat

06 Apr 2013, 11:04

3

8

4,870

by: Bunuel

30 Oct 2017, 11:52

ER

A library uses the overdue-fee schedule shown below to

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

BukrsGmat

13 Jul 2012, 04:59

7

3

6,943

by: bumpbot

08 Oct 2025, 10:24

ER

If x#0, is 1/x + 1/y = 4 ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

buguy7

31 May 2013, 05:56

5

3

3,122

by: bumpbot

08 Mar 2023, 09:08

ER

Given an integer a, a rectangle's adjacent sides measure (a + 2) inche

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

buan15

05 Aug 2020, 00:38

10

4

2,841

by: Kinshook

05 Aug 2020, 09:50

ER

If 15 is a factor of p as well as q, is 15 the highest common factor?

705-805 (Hard) | Multiples and Factors

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

buan15

18 Jun 2020, 09:39

22

6

3,920

by: licrolicro

01 May 2025, 14:33

ER

If 0 < a < b, is b - a < 0.00003?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

btrg

16 Apr 2019, 09:23

2

974

by: ghostSatyendra

16 Apr 2019, 21:41

For positive integer a, is the expression [m](a - 4)(a^2 + 5a + 6[/m]

555-605 (Medium) | Algebra, Coordinate Plane

555-605 (Medium) | Algebra, Coordinate Plane hide tags

btrg

18 Apr 2019, 09:48

3

1,323

by: medic19

23 Apr 2019, 04:54

ER

Taps P, Q and R fill identical tasks at different constant rates. Tap

Poor Quality

Poor Quality hide tags

btrg

25 Apr 2019, 08:03

2

1

918

by: IanStewart

25 Apr 2019, 09:03

ER

Is k < 0? (1) |2k + 5| = 3k + 1 (2) |k - 2| = 7k

Poor Quality

Poor Quality hide tags

btrg

16 Apr 2019, 20:25

11

5

2,768

by: Bunuel

21 Oct 2019, 20:38

ER

In the circle above, length of chord PR is 40 units. What is the circu

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

btrg

16 Apr 2019, 00:41

5

2

1,775

by: Shishou

19 May 2020, 13:10

ER

If a and b are integers, is ab > 0? (1) b = a (2) a > 2

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

btrg

16 Apr 2019, 09:10

2

4

1,980

by: chetan2u

14 Oct 2020, 05:46

ER

If p and q are non-zero integers and |p| + |q| = 25, what is pq?

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

btrg

16 Apr 2019, 09:14

6

3

2,289

by: bumpbot

03 Feb 2022, 09:09

The total manufacturing cost of product P is equal to the sum of produ

605-655 (Medium) | Percent and Interest Problems

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

btrg

16 Apr 2019, 09:29

3

2,367

by: bumpbot

08 Aug 2023, 05:19