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

78,842

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

856

24

188,597

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

488,043

by: bb

29 Aug 2025, 13:27

ER

Does |a b| = 1 ? (1) |a 4| = 2 (2) |b 4| = 3

505-555 (Easy) | Absolute Values

505-555 (Easy) | Absolute Values hide tags

Bunuel

05 Sep 2023, 01:30

2

1

1,163

by: GMATinsight

05 Sep 2023, 06:52

ER

Does |a - b| = b - a? (1) a < b (2) ab < 0 and a^2*b = 1

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

10 Sep 2023, 08:00

2

1,356

by: KrishnanTN

10 Sep 2023, 10:27

ER

Does (x^2 - y^2)^(1/2) = x + y?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

02 Oct 2017, 23:50

4

2

1,950

by: kaulshanx

07 Oct 2017, 09:30

ER

Does (x − y)^2 = 100 ? (1) x^2 + y^2 = 52 (2) x + y = 2

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

04 Aug 2020, 22:55

13

7

3,449

by: youcouldsailaway

05 Nov 2023, 08:32

ER

Does (x + y)² + (x – y)² = 170?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

zahraf

11 Jun 2015, 23:07

3

4

3,514

by: bumpbot

31 Oct 2017, 16:16

ER

Does (x + y)^2 + (x - y)^2 = 170? (1) x^2 + y^2= 85 (2) x = y + 1

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

15 Oct 2019, 23:31

1

1,613

by: chetan2u

16 Oct 2019, 03:52

ER

Does (x + a)^2 = y^2?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

15 Jan 2015, 07:02

3

5

2,588

by: Raksat

21 Nov 2017, 13:02

ER

Does (a – 2)(b + 4) = 8?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

divyadamahe

20 Jan 2019, 22:45

9

11

2,919

by: bumpbot

05 Aug 2021, 18:35

ER

Dodgers stadium, which is rectangular in shape, currently has one par

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

20 Nov 2020, 01:15

8

5

2,164

by: Pallavi2020

21 Nov 2020, 11:22

ER

Do the two circles with centers X and Y touch each other externally?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

03 Jul 2018, 11:06

4

3

1,640

by: bumpbot

07 Aug 2019, 20:42

ER

Do the rectangle ABCD and the square EFGH have the same area?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

filipembribeiro

01 Jun 2021, 04:00

4

2

2,848

by: bumpbot

17 Jul 2023, 00:06

ER

Do the points P and Q lie on the same circle with center (0,0)?

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

11 Aug 2019, 05:40

3

1

2,345

by: vinayakvaish

11 Aug 2019, 06:44

ER

Do the diagonals of a quadrilateral ABCD bisect each other

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

mydreammba

28 Apr 2012, 06:51

8

13

9,265

by: qlx

30 Apr 2014, 09:19

ER

Do some cosmetic surgeons in the town of Eyrie Rock charge

Sub 505 (Easy) | Non-Math Related

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

Bunuel

15 Jan 2024, 08:00

7

3

2,795

by: bumpbot

13 Mar 2026, 10:48

ER

Do more than 50% of the children in a certain group have

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

cmugeria

10 Sep 2010, 15:29

30

7

14,623

by: bumpbot

14 Sep 2024, 23:15

ER

Do integers p and t have the same number of different prime factors?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

04 Oct 2022, 01:30

4

5

2,237

by: bumpbot

12 Sep 2024, 13:22

ER

Do at least 60 percent of the students in Pats class walk to school?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

1, 2

Bunuel

21 Oct 2015, 21:43

68

20

30,341

by: bumpbot

23 Mar 2025, 03:19

ER

Do at least 40 percent of the students enrolled at Sunshine Elementary

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

09 Jun 2025, 00:30

3

2

521

by: Dereno

09 Jun 2025, 23:46

ER

Do at least 24 percent of Loral business school students aspire to do

705-805 (Hard) | Fractions and Ratios, Percent and Interest Problems

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

Bunuel

21 Apr 2021, 06:30

9

3

2,129

by: bumpbot

29 Apr 2026, 07:33

ER

Do at least 20 percent of the people in country X who are over the age

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

22 Jun 2022, 07:00

4

6

2,860

by: Bunuel

05 Jan 2026, 11:58

ER

Do at least 20 percent of the organization members who are over 40

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

10 Jun 2025, 00:30

7

3

720

by: ManifestDreamMBA

10 Jun 2025, 23:51

ER

Do at least 20 percent of Amity school students aspire to do masters

655-705 (Hard) | Percent and Interest Problems

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

Bunuel

20 Jan 2026, 03:45

4

563

by: iamjatinagrawal

15 Feb 2026, 01:06

ER

Division R of Company Q has 1,000 employees. What is the average (arit

Sub 505 (Easy) | Statistics and Sets Problems, Word Problems

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

getzgetzu

01 Dec 2005, 00:34

47

6

22,826

by: bumpbot

29 Mar 2026, 06:05

ER

Distribution D consists of five different numbers. What is the standar

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

17 Oct 2020, 13:46

3

1,225

by: MathRevolution

18 Oct 2020, 02:58

ER

Distance between Smith's house and office is D km. On Monday, Smith tr

655-705 (Hard) | Distance and Speed Problems

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

Bunuel

06 Dec 2019, 05:35

7

4

3,820

by: bumpbot

10 Jan 2024, 12:31

ER

Did United States carriers use more than 10 billion gallons of jet fue

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

31 Dec 2020, 01:33

5

5,360

by: bumpbot

08 Jul 2025, 06:09

ER

Did the XYZ Corporation have higher sales in 1988 or in 1989? Assume

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

17 Oct 2017, 08:16

3

5,900

by: bumpbot

11 Jun 2020, 04:53

ER

Did the sum of the prices of three shirts exceed $60?

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

26 Oct 2015, 09:45

97

17

31,338

by: bumpbot

13 Sep 2025, 17:32

ER

Did the seller earn a profit?

655-705 (Hard) | Percent and Interest Problems

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

MahmoudFawzy

16 Apr 2019, 04:29

6

8

2,364

by: bumpbot

28 Jan 2026, 02:38

ER

Did the quantity of bacteria in an experiment increase by at least 15%

605-655 (Medium) | Percent and Interest Problems

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

Bunuel

11 Jun 2022, 16:30

8

3

2,101

by: Aboyhasnoname

22 Jun 2025, 09:33

ER

Did the price of energy rise last year? (1) If the price of energy

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

13 Mar 2025, 00:30

3

2

854

by: Dereno

13 Mar 2025, 23:00

ER

Did the price of a bushel of peanuts increase during every week of 199

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

11 Aug 2019, 05:37

1

780

by: Kinshook

11 Aug 2019, 07:23

ER

Did the population of Town C increase by at least 100 percent from the

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

parkhydel

28 Apr 2020, 08:23

137

11

25,330

by: bumpbot

18 Dec 2025, 09:40

ER

Did the population of Country S increase by less than 20 percent from

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

27 Oct 2022, 01:30

1

986

by: SaquibHGMATWhiz

27 Oct 2022, 07:06

ER

Did the population of Country S increase by less than 20 percent from

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

15 Oct 2022, 08:09

1

2

2,429

by: ssajjad03

10 Jan 2025, 20:58

ER

Did the population of Country P increase by more than 25% from 2000 to

Sub 505 (Easy) | Arithmetic +2 tags

Sub 505 (Easy) | Arithmetic, Fractions and Ratios, Percent and Interest Problems hide tags

EMPOWERgmatRichC

27 Oct 2024, 10:37

16

4

4,790

by: bumpbot

28 Nov 2025, 09:49

ER

Did the majority of voters polled claim that they planned to vote for

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

02 Oct 2025, 00:48

4

3

496

by: Ayeka

02 Oct 2025, 21:19

ER

Did Suzy pay less than a total of $p dollars for the phone? (1) The pr

505-555 (Easy) | Percent and Interest Problems, Word Problems

505-555 (Easy) | Percent and Interest Problems, Word Problems hide tags

Bunuel

10 Oct 2018, 04:51

4

6

2,456

by: bumpbot

31 Dec 2022, 02:12

ER

Did Sanna save at least 20 percent higher last month than what she did

705-805 (Hard) | Percent and Interest Problems

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

ExpertsGlobal5

18 Feb 2026, 20:00

2

3

490

by: ExpertsGlobal5

21 Feb 2026, 09:15

ER

Did Sally pay less than x dollars, including sales tax, for her

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

16 Dec 2014, 05:28

19

4

12,031

by: Saurav1408

14 Dec 2025, 23:35

ER

Did one of the 3 members of a certain team sell at least 2 raffle tick

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

saurabhkhatrinitk

18 Jul 2019, 00:24

179

13

40,257

by: shwetakoshija

27 Mar 2026, 11:13

ER

Did more than half of the men on the committee wear blue?

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

Bunuel

23 May 2025, 00:30

2

484

by: shishimaru

23 May 2025, 01:14

ER

Did Jon complete a journey of 40 kilometers in less time than it took

Sub 505 (Easy) | Distance and Speed Problems

Sub 505 (Easy) | Distance and Speed Problems hide tags

Bunuel

13 May 2025, 00:30

2

454

by: kingbucky

13 May 2025, 11:02

ER

Did John save at least 18 percent less in February than in January ?

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

15 Oct 2024, 01:30

9

1

1,296

by: tgsankar10

16 Oct 2024, 03:05

ER

Did John pay less than a total of $d dollars for the phone?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

21 Apr 2021, 07:30

1

1,327

by: TestPrepUnlimited

24 Apr 2021, 14:04

ER

Did John go to the beach yesterday? (1) If John goes to the beach, he

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

16 Oct 2017, 01:44

6

7

4,703

by: bumpbot

20 Sep 2025, 04:48

ER

Did Jennifer spend more than x dollars at her favorite sushi

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

13 Feb 2025, 01:30

5

4

1,316

by: Whoisdmx15

13 Feb 2025, 22:40

ER

Did Jeff record more sales revenue this month than Dan did?

605-655 (Medium) | Percent and Interest Problems

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

HarveyS

08 Apr 2014, 16:47

56

7

9,919

by: bumpbot

11 Jun 2025, 08:27

ER

Did it take Pei more than 2 hours to walk a distance of 10 miles along

605-655 (Medium) | Distance and Speed Problems

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

1, 2

neeraj.kaushal

08 May 2008, 20:28

211

20

48,282

by: bumpbot

27 Jan 2026, 05:34

ER

Did it take a certain ship less than 3 hours to travel 9 kilometers?

555-605 (Medium) | Distance and Speed Problems

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

Bunuel

23 Jun 2015, 02:16

32

9

11,493

by: bumpbot

01 Jul 2025, 05:47