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

78,619

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

188,458

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

487,839

by: bb

29 Aug 2025, 13:27

ER

If x and y are both prime, is x*y = 323?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

06 Apr 2015, 07:29

28

10

5,528

by: bumpbot

13 Nov 2025, 10:07

ER

What does (1 + m)(1 m + m^2 m^3) = ? (1) m^6 = 64 (2) m^-3 = -1/8

655-705 (Hard) | Algebra, Exponents

655-705 (Hard) | Algebra, Exponents hide tags

Bunuel

21 Mar 2022, 05:08

8

2

1,908

by: bumpbot

13 Nov 2025, 09:25

ER

How many students scored less than the class average on a test?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

13 Nov 2025, 01:47

3

2

613

by: dhruva09

13 Nov 2025, 08:30

ER

Mr. Kip has been selected in the chorus group. What is the percent of

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

Bunuel

12 Jan 2022, 09:00

5

3

2,625

by: bumpbot

13 Nov 2025, 07:43

ER

Out of a group of 100 people, how many speak both Spanish and French?

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

26 Nov 2019, 01:26

7

3

2,916

by: Bunuel

13 Nov 2025, 07:30

ER

Every man in a certain class either belongs to group A, belongs to gro

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

29 Sep 2015, 05:06

35

5

10,471

by: bumpbot

13 Nov 2025, 06:52

ER

If two printing machines work simultaneously at their respective

555-605 (Medium) | Work and Rate Problems

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

Bunuel

27 Feb 2024, 02:30

8

3

2,156

by: bumpbot

13 Nov 2025, 05:19

ER

Anne must randomly select one ball from a bag. What is the probability

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

Bunuel

10 Nov 2022, 11:59

2

1,555

by: bumpbot

13 Nov 2025, 04:45

ER

There are 300 people in a conference hall. Each person is either an en

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

19 Apr 2022, 07:11

8

3

2,424

by: bumpbot

13 Nov 2025, 04:39

ER

If the average (arithmetic mean) annual income for a group of people

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

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

Bunuel

25 Jan 2018, 23:54

12

5

4,296

by: bumpbot

13 Nov 2025, 04:19

ER

Members of a wrestling team were weighed twice. Was the standard devia

705-805 (Hard) | Statistics and Sets Problems

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

Bunuel

02 Jun 2018, 13:46

45

7

6,534

by: bumpbot

13 Nov 2025, 00:03

ER

If n is an integer between 2 and 100 and if n is also the square of

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

01 Oct 2022, 03:40

21

2

7,290

by: nurbijoy

12 Nov 2025, 22:00

ER

How many burritos did Daves Wraps sell today?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

12 Nov 2025, 00:26

3

558

by: Missinga

12 Nov 2025, 20:52

ER

Janet purchased a house and later sold it at a price that was greater

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

09 Aug 2023, 05:00

29

4

12,693

by: bumpbot

12 Nov 2025, 12:53

ER

GMAT Club Olympics 2024 (Day 9): There are n teams in Group A

805+ (Hard) | Combinations

805+ (Hard) | Combinations hide tags

Bunuel

18 Jul 2024, 07:00

43

15

6,580

by: bumpbot

12 Nov 2025, 11:54

ER -1

If Machine B and Machine C work together at their constant individual

605-655 (Medium) | Work and Rate Problems

605-655 (Medium) | Work and Rate Problems hide tags

Bunuel

27 Jan 2015, 07:41

51

16

11,980

by: bumpbot

12 Nov 2025, 07:16

ER

What is the units digit of the three-digit integer N ?

655-705 (Hard) | Multiples and Factors, Number Properties

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

Bunuel

07 Sep 2015, 22:45

59

16

9,784

by: Stella5200

11 Nov 2025, 21:23

ER

For positive integers x and y, x=19!+y. Is x a prime number?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

18 Apr 2017, 05:12

15

4

4,613

by: pappal

11 Nov 2025, 12:25

ER

How many girls are members of both the Diving Team and the Swim Team?

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

11 Nov 2025, 00:43

4

3

644

by: pappal

11 Nov 2025, 11:47

ER

A downtown theater sells each of its floor seats for a certain price

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

11 Nov 2025, 00:42

2

458

by: Dereno

11 Nov 2025, 11:22

ER

Aaron traveled d1 miles between city A and city B at a speed

705-805 (Hard) | Distance and Speed Problems

705-805 (Hard) | Distance and Speed Problems hide tags

Bunuel

28 Nov 2022, 09:15

11

2

2,064

by: bumpbot

11 Nov 2025, 10:19

ER

At a certain sales agency, each salesperson receives a monthly base

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

08 Aug 2017, 23:58

8

4

4,084

by: bumpbot

11 Nov 2025, 10:08

ER

Twenty percent of all the sheets of paper in the tray of Printer A are

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

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

Bunuel

17 Mar 2020, 10:00

28

5

4,950

by: bumpbot

11 Nov 2025, 09:56

ER

Two dressmakers, Sue and Anne, sewed costumes for a local theater prod

655-705 (Hard) | Work and Rate Problems

655-705 (Hard) | Work and Rate Problems hide tags

Bunuel

29 Oct 2015, 01:28

37

7

7,763

by: bumpbot

11 Nov 2025, 07:20

ER

Two hedge funds reported their performance for the last fiscal year.

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

19 Oct 2020, 00:15

8

7

2,159

by: bumpbot

11 Nov 2025, 05:57

ER

In the graph above, A, B, and C represent the sales of major soft drin

655-705 (Hard) | Fractions and Ratios

655-705 (Hard) | Fractions and Ratios hide tags

Bunuel

20 Dec 2015, 06:29

9

2

5,016

by: bumpbot

11 Nov 2025, 04:55

ER

If the median and the average (arithmetic mean) of 4 different numbers

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

25 Jan 2024, 02:30

4

2,195

by: bumpbot

10 Nov 2025, 21:01

ER

Adam and Bill, each working at his own constant rate, are simultaneous

555-605 (Medium) | Work and Rate Problems

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

Bunuel

21 Mar 2017, 05:18

6

5

2,942

by: bumpbot

10 Nov 2025, 18:22

ER

Is mn < m/n ? (1) mn is a positive integer (2) n is a negative number

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

13 Apr 2022, 07:00

9

4

3,913

by: bumpbot

10 Nov 2025, 15:06

ER

Is the area of circle X greater than the area of circle Y?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

29 Sep 2015, 21:29

6

7

7,875

by: bumpbot

10 Nov 2025, 08:45

ER

If no bulk purchase discount applies, what is the price of 13 oranges

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

16 Apr 2025, 00:30

5

6

1,156

by: tanishapriya96

10 Nov 2025, 07:25

ER

If there are 400 women at College X and 200 students live off-campus

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

Bunuel

13 Apr 2022, 06:30

21

6

3,754

by: bumpbot

10 Nov 2025, 07:11

ER

Samir’s income is Rs. 9,360. Is Rahul’s income equal to Rs. 7,200?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

28 Jul 2021, 06:00

1

4

1,616

by: bumpbot

10 Nov 2025, 06:19

ER

Paul, a painter, paints only flowers or cats in his notebook.

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

13 Feb 2023, 02:30

5

2

1,512

by: bumpbot

10 Nov 2025, 05:10

ER

Joe uses three different modes of transportation to travel a total of

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

09 Nov 2025, 22:46

1

426

by: Dereno

10 Nov 2025, 03:24

ER

Mr. Jones spends $ 25 on movie tickets for a party of adults and child

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

09 Nov 2025, 22:45

2

1

510

by: Dereno

10 Nov 2025, 03:12

ER

Certain word is written on a paper. What is the number of ar

605-655 (Medium) | Combinations

605-655 (Medium) | Combinations hide tags

Bunuel

26 Jul 2014, 16:12

82

10

18,876

by: bumpbot

09 Nov 2025, 23:41

ER

If the average (arithmetic mean) of 100 numbers is 50, what is the

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

20 Nov 2023, 02:27

2

1,953

by: bumpbot

09 Nov 2025, 18:40

ER

Q is a set of 7 integers. m and n are two of the numbers in Q. Excludi

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

13 Apr 2021, 13:15

2

4

1,954

by: bumpbot

09 Nov 2025, 17:57

ER

Is the sum of the prices of the 3 books that Shana bought less than $4

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

22 Jun 2018, 02:04

211

17

36,260

by: chetan2u

09 Nov 2025, 10:08

ER

S and T are two water pumps that run at constant rates. If pump T pump

655-705 (Hard) | Work and Rate Problems

655-705 (Hard) | Work and Rate Problems hide tags

Bunuel

26 Jun 2015, 02:51

43

12

9,555

by: bumpbot

09 Nov 2025, 08:38

ER

Of the 66 people in a certain auditorium, at most 6 people

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

16 Jul 2012, 04:49

309

16

43,654

by: findingmyself

09 Nov 2025, 08:19

ER

Each member in a club with 90 members voted for exactly one of 4

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

17 Nov 2022, 13:43

3

2

1,647

by: bumpbot

09 Nov 2025, 06:08

ER

Of the students in a certain school, 65 percent are enrolled in an art

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

02 Aug 2024, 01:31

6

5

2,077

by: anshumanmalliwal

08 Nov 2025, 23:43

ER

Is the standard deviation of list X equal to 0? (1) The average (ari

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

02 Jun 2021, 08:30

2

2,975

by: bumpbot

08 Nov 2025, 12:37

ER

GMAT Club Olympics 2024 (Day 6): At the Olympics, each trainer in the

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

15 Jul 2024, 07:00

26

17

6,024

by: bumpbot

08 Nov 2025, 12:03

ER

If a candy manufacturer makes a new candy consisting of a core compose

605-655 (Medium) | Mixture Problems

605-655 (Medium) | Mixture Problems hide tags

Bunuel

08 Nov 2024, 01:30

10

3

2,576

by: Bunuel

08 Nov 2025, 10:59

ER

The average of five number is 16. Is the sum of the two largest number

705-805 (Hard) | Statistics and Sets Problems

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

Bunuel

01 Feb 2022, 02:30

9

3

2,215

by: bumpbot

08 Nov 2025, 10:31

ER

Of all the sheets of paper in the tray of Printer A, 20% are removed

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

06 Apr 2022, 02:30

12

3

3,147

by: bumpbot

08 Nov 2025, 03:30

ER

The nth term, where n > 1, in a sequence S of positive integers is def

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

19 Nov 2019, 01:39

21

8

6,064

by: bumpbot

08 Nov 2025, 03:07