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

79,481

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

858

24

188,950

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

488,626

by: bb

29 Aug 2025, 13:27

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Data Sufficiency Butler: 2 Questions Every Day

1, 2

Bunuel

17 May 2026, 21:47

467

39

161,320

by: Bunuel

17 May 2026, 21:48

ER

What was the ratio of the number of shares of stock X to shares of

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

20 Jan 2025, 01:30

2

4

1,242

by: bumpbot

17 May 2026, 20:42

ER

A beverage company prepared two batches of sports drink, Batch A and B

555-605 (Medium) | Mixture Problems

555-605 (Medium) | Mixture Problems hide tags

Bunuel

17 May 2026, 19:00

1

27

by: ankushsambare

17 May 2026, 20:22

ER

A home-goods warehouse inspected a shipment of ceramic mugs for

555-605 (Medium) | Overlapping Sets, Probability

555-605 (Medium) | Overlapping Sets, Probability hide tags

Bunuel

17 May 2026, 19:00

1

21

by: ankushsambare

17 May 2026, 20:19

ER

Daily temperatures were recorded for a certain period of time. Did at

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

17 Jun 2022, 19:30

1

2

1,304

by: bumpbot

17 May 2026, 10:31

ER

What is the value of 5x^2 + 4x - 1 ? (1) x(x + 2) = 0 (2) x = 0

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

23 Sep 2018, 21:52

14

6

13,776

by: Bunuel

17 May 2026, 04:29

If a, b, c, d are four integers such that a < b < c < d, Is d-c = c-b

705-805 (Hard) | Number Properties, Statistics and Sets Problems

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

amanvermagmat

28 Jun 2018, 11:41

7

3

2,619

by: bumpbot

17 May 2026, 04:00

In an election four parties A, B, C and D contested for a post. 40% of

705-805 (Hard) | Statistics and Sets Problems

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

Adityachopra1

05 Aug 2023, 00:35

2

4

2,072

by: bumpbot

17 May 2026, 01:51

ER

Q is a set of integers and 11 is in Q. Let Q denote any element in the

705-805 (Hard) | Multiples and Factors, Statistics and Sets Problems

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

Bunuel

30 Jun 2022, 15:15

4

2

1,533

by: bumpbot

17 May 2026, 01:48

ER

What is the sum of the terms in a sequence of consecutive integers?

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

Bunuel

19 May 2021, 06:00

1

3

2,851

by: bumpbot

15 May 2026, 22:06

There are some boys and girls present in a class apart from teacher,

555-605 (Medium) | Arithmetic, Combinations

555-605 (Medium) | Arithmetic, Combinations hide tags

amanvermagmat

05 Jun 2018, 11:52

22

2

6,080

by: bumpbot

15 May 2026, 07:08

In a class, teacher decides to choose two students for a certain exper

555-605 (Medium) | Arithmetic, Combinations

555-605 (Medium) | Arithmetic, Combinations hide tags

amanvermagmat

05 Jun 2018, 11:56

21

4

7,803

by: bumpbot

15 May 2026, 07:07

ER

At a science quiz, Team Atlas consisted of Elena, Hugo, and Liam, and

555-605 (Medium) | Statistics and Sets Problems, Word Problems

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

Bunuel

14 May 2026, 19:00

2

116

by: SS990

14 May 2026, 23:05

ER

How long will it take a truck to drive from Cornwall to West?

555-605 (Medium) | Distance and Speed Problems

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

Bunuel

09 May 2017, 03:02

8

5

2,832

by: bumpbot

14 May 2026, 22:59

ER

How many more first-time jobless claims were filed in week P than in

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

01 Jul 2018, 21:45

15

2

6,399

by: bumpbot

14 May 2026, 10:48

In a sequence S, each term, after the first term, is obtained by

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

TBT

15 Feb 2023, 21:36

10

3

3,329

by: bumpbot

13 May 2026, 10:01

ER

A certain shipment of identical cans of soup can be packed either into

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

29 Oct 2015, 01:26

13

4

4,092

by: bumpbot

13 May 2026, 08:55

ER

Lena and Marco are hired to paint a fence at a community park. If each

555-605 (Medium) | Work and Rate Problems

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

Bunuel

12 May 2026, 19:00

1

2

148

by: BongBideshini

13 May 2026, 06:46

ER

In a certain group of people, the average weight of the males is 170

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

07 Mar 2025, 01:30

2

871

by: bumpbot

13 May 2026, 02:26

ER

A bag contains a mixture of beans and pulses. To achieve 20 percent be

555-605 (Medium) | Mixture Problems

555-605 (Medium) | Mixture Problems hide tags

Bunuel

25 Jun 2017, 04:07

20

10

6,656

by: bumpbot

12 May 2026, 21:28

On the Celsius scale of temperature, water freezes at 0° and boils at

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Borrat

22 Mar 2026, 06:53

2

716

by: Borrat

12 May 2026, 06:35

ER

Sam and Darren were participating in a cycle race, with each of them

555-605 (Medium) | Distance and Speed Problems

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

Bunuel

27 Nov 2022, 10:15

2

1,477

by: bumpbot

11 May 2026, 23:13

ER

A can complete a piece of work in 10 days. How many days will B take

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

30 Jul 2024, 08:30

4

2

1,433

by: bumpbot

11 May 2026, 10:40

ER

What is the sum of the squares of the three consecutive terms of a geo

705-805 (Hard) | Algebra, Sequences

705-805 (Hard) | Algebra, Sequences hide tags

Bunuel

13 May 2020, 07:58

8

4

2,995

by: bumpbot

11 May 2026, 05:16

ER

Of the students in a certain math class, each student either is a math

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

12 Aug 2024, 01:30

8

4

1,624

by: bumpbot

10 May 2026, 08:51

ER -2

A team of workers including Tom and Dick work in the same office

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

23 Jan 2026, 09:15

2

3

526

by: VibhuAnurag

10 May 2026, 05:09

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

29

6

13,273

by: IshmaelJN

09 May 2026, 15:21

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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

12

5

3,690

by: bumpbot

09 May 2026, 07:31

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

2,914

by: crimson_noise

09 May 2026, 06:13

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

1,537

by: bumpbot

08 May 2026, 08:17

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

5

2

2,196

by: bumpbot

07 May 2026, 22:05

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

23

17

4,081

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

6,315

by: bumpbot

07 May 2026, 03:45

ER -1

Fairview department store bought a number of regular-

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

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

kevincan

20 Mar 2026, 14:25

5

8

465

by: Gmat860sanskar

04 May 2026, 09:31

ER

If an item is purchased x percent less than its retail price

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

13 May 2024, 01:30

5

2

1,269

by: bumpbot

03 May 2026, 02:40

ER

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

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

TBT

02 Mar 2023, 00:53

10

3

1,598

by: Bunuel

02 May 2026, 23:29

A red box contains 7 ropes, with an average length of 60 cm per rope,

805+ (Hard) | Arithmetic, Min-Max Problems

805+ (Hard) | Arithmetic, Min-Max Problems hide tags

amanvermagmat

07 May 2018, 23:47

91

4

9,784

by: bumpbot

02 May 2026, 10:44

ER

Zachary bought a house, refurbished it, and sold it. Buying and refurb

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

31 Mar 2025, 00:30

13

3

2,458

by: bumpbot

02 May 2026, 09:52

Brian works as a consultant. His only work comes from three companies

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

abhiramkrishna

01 May 2026, 10:50

4

1

226

by: dhruv23320

01 May 2026, 19:15

ER

40% of the dogs at a certain animal shelter have been microchipped. Ho

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

18 Jul 2019, 08:00

8

5

4,605

by: bumpbot

01 May 2026, 03:46

ER

Kate invested x dollars, where X 2 1,000, for one year in a new

605-655 (Medium) | Percent and Interest Problems

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

Bunuel

24 Mar 2024, 05:53

40

4

10,793

by: RSaurastri

01 May 2026, 02:01

ER

The ratio of blue collar workers to white collar workers at Company K

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

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

Bunuel

06 Jan 2020, 07:10

6

3

12,925

by: bumpbot

30 Apr 2026, 04:10

ER

If x_n = a^{(2n-1)}, where n is a positive integer then find sum of th

805+ (Hard) | Functions and Custom Characters +2 tags

805+ (Hard) | Functions and Custom Characters, Number Properties, Sequences hide tags

GMATinsight

27 May 2021, 08:45

5

3

1,642

by: bumpbot

30 Apr 2026, 02:18

ER

A shopkeeper decreased the price of an item by p percent and then

705-805 (Hard) | Percent and Interest Problems

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

Bunuel

21 Aug 2024, 01:30

10

5

1,514

by: bumpbot

29 Apr 2026, 22:47

ER

For all numbers p and q (where p 0 ), the operation $ is defined as

605-655 (Medium) | Functions and Custom Characters

605-655 (Medium) | Functions and Custom Characters hide tags

Bunuel

24 Jun 2022, 09:30

5

3

2,104

by: Bunuel

29 Apr 2026, 22:10

ER

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

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

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

Bunuel

21 Apr 2021, 06:30

9

3

2,198

by: bumpbot

29 Apr 2026, 07:33

What is the value of positive integer N? (1) Sum of N consecutive po

705-805 (Hard) | Arithmetic, Sequences

705-805 (Hard) | Arithmetic, Sequences hide tags

amanvermagmat

08 May 2018, 23:23

25

8

4,083

by: bumpbot

29 Apr 2026, 07:26

ER

Cyclist A leaves point X at 12 noon and travels at constant velocity

655-705 (Hard) | Distance and Speed Problems

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

Bunuel

14 Jan 2018, 06:45

13

7

5,004

by: bumpbot

29 Apr 2026, 07:20

ER

A group of 10 athletes was competing in a marathon race. If the range

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

07 Nov 2019, 03:23

6

3,776

by: bumpbot

29 Apr 2026, 06:56

ER

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

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

Bunuel

22 Sep 2023, 01:30

12

3

2,471

by: Tinytrotter

27 Apr 2026, 06:01