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

79,238

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

188,839

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

488,466

by: bb

29 Aug 2025, 13:27

ER

At a certain company event, the snack table offered only sandwiches

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

29 Apr 2025, 06:51

4

6

1,496

by: Bunuel

24 May 2025, 03:06

ER

How many miles long is the route from Danton to Griggston?

Sub 505 (Easy) | Distance and Speed Problems

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

Bunuel

21 May 2025, 00:30

4

5

743

by: Bunuel

24 May 2025, 12:40

ER

If y<>2xz, what is the value of 2xz + yz/2xz-y ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Kinshook

20 Nov 2019, 09:50

4

2,130

by: bumpbot

27 May 2025, 06:59

If x is positive integer greater than 1, what is the remainder

655-705 (Hard) | Multiples and Factors

655-705 (Hard) | Multiples and Factors hide tags

ChandlerBong

21 Mar 2023, 10:29

4

3

1,913

by: bumpbot

28 May 2025, 05:13

ER

How long would it take Sue to paint the room?

Sub 505 (Easy) | Work and Rate Problems

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

Bunuel

03 Jun 2025, 00:30

4

3

760

by: Ayeka

03 Jun 2025, 19:31

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If a^3*b^4*c^5<0, is abc<0?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

MathRevolution

25 Nov 2016, 02:25

4

2,500

by: bumpbot

04 Jun 2025, 16:00

ER

If m and n are positive decimals smaller than 1, is m + n > 1?

605-655 (Medium) | Fractions and Ratios

605-655 (Medium) | Fractions and Ratios hide tags

Bunuel

08 May 2023, 06:30

4

5

1,983

by: Bunuel

05 Jun 2025, 12:04

ER

If r and s are positive integers, is the least common multiple of r

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

23 May 2023, 06:30

4

2

1,331

by: bumpbot

05 Jun 2025, 19:51

Is a/b > c/b?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

QuantMadeEasy

15 Feb 2020, 08:43

4

3

1,323

by: bumpbot

09 Jun 2025, 14:58

ER

Of the books that are standing upright along the top shelf of a bookca

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

15 Oct 2022, 09:00

4

2

2,006

by: bumpbot

09 Jun 2025, 21:08

ER

A 500-gallon cistern is filled to half its capacity with water.

Sub 505 (Easy) | Work and Rate Problems

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

Bunuel

10 Jun 2025, 00:30

4

3

755

by: ManifestDreamMBA

10 Jun 2025, 23:54

A group of six employees, including Lisa, participated in a weekly cod

655-705 (Hard) | Statistics and Sets Problems

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

siddhantvarma

11 Jun 2025, 09:52

4

1

753

by: stne

12 Jun 2025, 11:37

ER

In a certain Asian studies class, the number of students that have not

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

05 May 2021, 04:00

4

3

2,057

by: bumpbot

13 Jun 2025, 22:00

ER

In a company, an employee's salary in thousands of dollars, d, is dire

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

16 Feb 2023, 01:47

4

2

2,111

by: bumpbot

16 Jun 2025, 11:02

ER

Ten colored marbles are placed in a bowl. Each of the marbles is one

Sub 505 (Easy) | Probability

Sub 505 (Easy) | Probability hide tags

Bunuel

16 Jun 2025, 00:30

4

3

619

by: Dereno

16 Jun 2025, 11:08

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The average (arithmetic mean) of integers r, s, t, u, and v is 100. Ar

655-705 (Hard) | Inequalities, Word Problems

655-705 (Hard) | Inequalities, Word Problems hide tags

Bunuel

11 Jul 2017, 02:52

4

6,665

by: Bro102

19 Jun 2025, 21:56

ER

A truck and a van leave the same location at the same time traveling

Sub 505 (Easy) | Distance and Speed Problems

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

Bunuel

02 Apr 2018, 22:05

4

3

2,088

by: bumpbot

21 Jun 2025, 12:55

ER

In 2022, 8 percent of the cars produced by a certain factory were

655-705 (Hard) | Percent and Interest Problems

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

Redmaster2

23 Jun 2025, 02:40

4

1

758

by: shwetakoshija

23 Jun 2025, 22:56

ER

When a club with x members conducts a membership drive using a certain

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

31 Aug 2015, 10:36

4

2,198

by: bumpbot

24 Jun 2025, 12:24

ER

After an attempted breakout at Folsom State Prison, the warden lines

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

27 Mar 2023, 01:30

4

1,635

by: bumpbot

25 Jun 2025, 10:03

ER

If f(x) = x + x and z = y^2, is f(z) = y^2 + y?

655-705 (Hard) | Algebra, Functions and Custom Characters

655-705 (Hard) | Algebra, Functions and Custom Characters hide tags

Bunuel

06 Sep 2023, 05:00

4

2

1,662

by: amansoni5

03 Jul 2025, 00:57

ER

If P and Q are positive integers, then is (P+2)(Q-1) an even number?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

12 Mar 2023, 06:53

4

2

1,756

by: bumpbot

04 Jul 2025, 04:17

ER

In 2001, Joe paid 5.1 percent of his income in taxes. In 2002, did Joe

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

28 Apr 2021, 06:00

4

2

1,337

by: bumpbot

08 Jul 2025, 14:59

ER

If $6,000 invested for one year at x percent simple annual interest

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

Bunuel

19 Jan 2018, 10:48

4

2

3,196

by: bumpbot

08 Jul 2025, 23:30

ER

Is n an even integer ? (1) 3n is even (2) 5n is even

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

18 May 2023, 09:30

4

3

1,405

by: bumpbot

10 Jul 2025, 17:42

ER

Working together without a break, Jermaine and Crystal can do a job in

Sub 505 (Easy) | Statistics and Sets Problems

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

Bunuel

05 May 2019, 23:32

4

3

3,003

by: bumpbot

13 Jul 2025, 10:55

ER

At a given time, what was the ratio of the number of sailboats to the

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

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

Bunuel

13 Jul 2025, 22:00

4

2

805

by: Missinga

14 Jul 2025, 00:47

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Is m divisible by 14 ? (1) The greatest common factor of m and 42 is 6

655-705 (Hard) | Multiples and Factors

655-705 (Hard) | Multiples and Factors hide tags

Bunuel

23 Sep 2022, 06:08

4

3

1,689

by: bumpbot

16 Jul 2025, 06:28

ER

In a certain box of of widgets there are only brass widgets and iron

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

15 Jul 2025, 22:00

4

438

by: Souradeep17

16 Jul 2025, 19:05

ER

Was the price of a certain stereo in March greater than its price in

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

15 Jul 2025, 22:00

4

5

547

by: shaliny

16 Jul 2025, 23:51

ER

Is x^3 < x? (1) 1/x > x (2) x^2 > x

655-705 (Hard) | Absolute Values, Inequalities

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

GMATinsight

07 Dec 2021, 01:17

4

3

1,610

by: bumpbot

17 Jul 2025, 17:39

ER

A worker is hired for 6 days. He is paid $2 more for each day of work

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

17 Jul 2025, 22:00

4

590

by: Souradeep17

18 Jul 2025, 11:47

ER

What was the percentage of defective items produced at a factory?

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

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

Bunuel

17 Jul 2025, 22:00

4

3

824

by: Missinga

18 Jul 2025, 20:13

ER

A rectangular floor that is 4 meters wide is to be completely covered

Sub 505 (Easy) | Geometry, Min-Max Problems

Sub 505 (Easy) | Geometry, Min-Max Problems hide tags

Bunuel

09 Dec 2014, 07:49

4

3

14,599

by: bumpbot

19 Jul 2025, 22:48

ER

Cerenity and Jas rented a jet ski for an afternoon. The rental fee for

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

25 Apr 2018, 23:30

4

6

2,074

by: GMATinsight

20 Jul 2025, 07:53

What is the value of the integer P?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

twoface07

13 Aug 2022, 22:48

4

3

2,704

by: bumpbot

24 Jul 2025, 04:23

ER

In a fleet of 70 cars that are either black or white.

555-605 (Medium) | Fractions and Ratios, Word Problems

555-605 (Medium) | Fractions and Ratios, Word Problems hide tags

Bunuel

27 Jul 2025, 22:00

4

1

501

by: agrasan

27 Jul 2025, 23:55

ER

A marzipan factory has two machines producing marzipan. Every day, the

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

23 Jan 2023, 02:30

4

2

1,351

by: bumpbot

28 Jul 2025, 09:43

ER

Set A = {a, b, c} and has a median of b. Is the average of a and c gre

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

10 Aug 2018, 03:43

4

9

5,008

by: bumpbot

28 Jul 2025, 11:09

ER

On a particular tour at the zoo, the ratio of the number of men to the

605-655 (Medium) | Fractions and Ratios, Word Problems

605-655 (Medium) | Fractions and Ratios, Word Problems hide tags

Bunuel

24 Apr 2025, 00:30

4

1,163

by: agrasan

28 Jul 2025, 22:17

ER

What was the average number of miles per gallon of gasoline for a car

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

29 Jul 2025, 22:00

4

557

by: Missinga

30 Jul 2025, 08:15

ER

P and Q have few marbles. How many marbles does P have?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

03 Aug 2025, 22:00

4

565

by: Souradeep17

04 Aug 2025, 18:36

ER

Is |a| + |b| >|a + b| ? (1) |ab| > ab (2) a/b < 0

505-555 (Easy) | Absolute Values, Inequalities

505-555 (Easy) | Absolute Values, Inequalities hide tags

Bunuel

17 Nov 2021, 05:00

4

2

1,956

by: bumpbot

05 Aug 2025, 10:01

ER

Find the value of x? (1) |x|^|x} = |x| (2) x ≠ |x|

555-605 (Medium) | Absolute Values, Exponents

555-605 (Medium) | Absolute Values, Exponents hide tags

GMATinsight

25 Jun 2020, 04:33

4

7

2,311

by: bumpbot

05 Aug 2025, 10:11

ER

If Harry's age is exactly three times Bill's age, what is Harry's age?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

04 Aug 2025, 22:00

4

643

by: Dereno

05 Aug 2025, 23:12

ER

Team A and Team B will combine into a new team called Team C. If Team

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Raisakatyal

14 Oct 2021, 05:58

4

2

2,179

by: bumpbot

09 Aug 2025, 12:37

ER

What is the ratio of the number of jeeps to the number of vans produce

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

10 Aug 2025, 22:00

4

3

466

by: Missinga

11 Aug 2025, 21:04

ER

Jonathan would like to visit one of the 12 gyms in his area. If he

Sub 505 (Easy) | Probability

Sub 505 (Easy) | Probability hide tags

Bunuel

18 Apr 2023, 01:30

4

3

3,480

by: Nikkz99

13 Aug 2025, 03:29

ER

I, …, E, …, M, …, S, …, K, …, W, … Z The frequencies of the appearance

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

MathRevolution

22 Dec 2017, 06:45

4

2,692

by: DonBosco7

17 Aug 2025, 03:25

ER

If j is a positive integer, is (j^3-27)^2(j^3+1)^3 odd?

555-605 (Medium) | Algebra, Number Properties

555-605 (Medium) | Algebra, Number Properties hide tags

Bunuel

12 Oct 2015, 22:24

4

6

3,165

by: bumpbot

18 Aug 2025, 10:31