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

79,896

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

189,018

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

488,735

by: bb

29 Aug 2025, 13:27

Last year company A's revenue from the product was how many dollars

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

eggybezos

09 Mar 2024, 13:06

39

11

10,784

by: nihilre

11 Nov 2025, 14:08

ER

Is p > q? (1) p/q = 8/7 (2) p^2 > q^2

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

talismaaniac

17 Nov 2017, 07:56

27

4

12,256

by: bumpbot

11 Nov 2025, 13:13

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

2,173

by: bumpbot

11 Nov 2025, 05:57

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

18,937

by: bumpbot

09 Nov 2025, 23:41

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

2,613

by: Bunuel

08 Nov 2025, 10:59

ER

Is mp greater than m?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

GetThisDone

10 Oct 2012, 11:09

60

19

15,411

by: Bunuel

07 Nov 2025, 06:25

ER

A jar holds 12 balls, each of which is colored white, black, gray, or

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

Bunuel

05 Nov 2025, 23:58

3

2

575

by: asingh91

07 Nov 2025, 00:40

ER

If Q is a positive odd integer, find the remainder when Q is divided b

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

rheam25

08 Feb 2020, 05:35

12

2

3,437

by: bumpbot

06 Nov 2025, 10:51

ER

A pharmacy offers customers both a patented and a generic version of a

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

05 Oct 2020, 01:15

3

2,587

by: sanjitscorps18

06 Nov 2025, 06:30

ER

Is −3 ≤ x ≤ 3 ? (1) x^2 + y^2 = 9 (2) x^2 + y ≤ 9

605-655 (Medium) | Algebra, Inequalities

605-655 (Medium) | Algebra, Inequalities hide tags

gmatt1476

21 Sep 2019, 16:44

155

13

19,475

by: bumpbot

06 Nov 2025, 05:53

ER

By abc we denote a three digit number with digits a, b, and c. Is abc

605-655 (Medium) | Multiples and Factors, Number Properties

605-655 (Medium) | Multiples and Factors, Number Properties hide tags

Bunuel

18 Mar 2015, 05:19

10

9

8,559

by: Bunuel

05 Nov 2025, 04:17

ER

For Company A, by what percent did profit increase this year over last

605-655 (Medium) | Percent and Interest Problems

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

Bunuel

11 Oct 2024, 01:30

13

5

2,547

by: bumpbot

03 Nov 2025, 14:51

ER

Two jugs, J and K , contain water. The capacity of jug J is 20 percent

605-655 (Medium) | Percent and Interest Problems

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

Bunuel

20 Feb 2024, 02:30

8

2,904

by: yasserp

02 Nov 2025, 11:08

ER

Can the positive integer n be written as the sum of two different posi

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

12 Feb 2014, 02:14

202

18

36,096

by: bumpbot

02 Nov 2025, 03:09

ER

In Monroe School, 30 members of the faculty coach boysíor girlsí sport

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

28 Dec 2017, 21:55

8

2

2,697

by: bumpbot

01 Nov 2025, 01:51

ER

Jim and Heather are in a line to purchase tickets for a music concert.

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

07 Jan 2015, 07:44

12

5

4,769

by: bumpbot

30 Oct 2025, 18:38

ER -1

Train A started from Station X toward Station Y traveling at

605-655 (Medium) | Distance and Speed Problems

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

guddo

30 May 2024, 11:04

151

9

12,746

by: architectodicta

30 Oct 2025, 08:31

ER

Brand W nut mix contains 24% cashews by weight, and Brand X

605-655 (Medium) | Mixture Problems

605-655 (Medium) | Mixture Problems hide tags

BrentGMATPrepNow

29 Apr 2018, 07:58

35

8

7,212

by: bumpbot

30 Oct 2025, 06:03

ER

Is the product of the range and median of the set of 10

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

Kaushik786

13 Mar 2021, 22:24

13

4

2,104

by: bumpbot

29 Oct 2025, 12:25

ER

What is the value of x? (x^2 + 3)^2 - 11(x^2 + 3) + 28 = 0

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

mikemcgarry

11 Sep 2014, 13:57

7

4

5,391

by: bumpbot

28 Oct 2025, 10:17

ER

A total of $80, 000 was invested for one year. Part of this amount ear

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

28 Apr 2021, 05:30

2

3

2,137

by: bumpbot

28 Oct 2025, 07:55

ER

A type of candy comes in two flavors, sweet and sour, and in two color

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

28 Oct 2025, 00:18

4

2

670

by: Dereno

28 Oct 2025, 06:25

ER

Kylie invested a certain amount of money at r% yearly interest

605-655 (Medium) | Percent and Interest Problems

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

Bunuel

04 Aug 2023, 05:00

87

8

25,591

by: bumpbot

27 Oct 2025, 22:55

ER

Peter works as a teaching assistant and gets paid on a weekly basis.

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

GMATBusters

06 Jun 2020, 19:16

1

11

2,904

by: bumpbot

25 Oct 2025, 23:00

Is the standard deviation of prices (per share) of 10 stocks less than

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

rohan2345

12 Jan 2019, 03:40

7

4

2,026

by: Amirgivehei

24 Oct 2025, 10:37

ER

The students in a certain class each joined a club: basketball club

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

02 Sep 2022, 05:33

1

3

2,168

by: Isha2204

24 Oct 2025, 00:48

ER

The table above shows the fees that must be paid to a car re

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

skiingforthewknds

28 Mar 2013, 04:09

15

3

5,563

by: bumpbot

23 Oct 2025, 15:49

ER

The Smiths take their children to a certain amusement park on exactly

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

GMATF685

16 Nov 2023, 10:30

18

5

6,784

by: Robo_123

22 Oct 2025, 09:42

ER

What should generally be expected if you venture into areas

605-655 (Medium) | Non-Math Related

605-655 (Medium) | Non-Math Related hide tags

guddo

14 Aug 2024, 09:31

50

7

6,999

by: Bunuel

22 Oct 2025, 06:29

ER

Maria walked along a track at an average speed of 100 meters per

605-655 (Medium) | Distance and Speed Problems

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

Bunuel

21 Oct 2025, 00:13

2

679

by: Dereno

21 Oct 2025, 04:20

ER

Julie opened a lemonade stand and sold lemonade in two diff

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

tim415

03 Nov 2012, 22:23

44

17

15,480

by: bumpbot

21 Oct 2025, 02:52

ER

Of the members in a certain club, 70 percent are women. Is the average

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

gmathero911

13 Apr 2024, 17:40

72

6

10,601

by: Bunuel

20 Oct 2025, 10:04

ER

In a survey of 150 persons, how many were both smokers and drinkers?

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

20 Oct 2025, 00:24

1

644

by: paragw

20 Oct 2025, 06:10

ER

If Simon paid 25 cents for each orange and 15 cents for each mango

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

20 Oct 2025, 00:23

1

533

by: paragw

20 Oct 2025, 05:52

ER

If 320 people attended the wedding and 200 attendees drank

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

atalpanditgmat

21 May 2013, 20:33

35

17

8,142

by: bumpbot

19 Oct 2025, 19:52

ER

A furniture store spent $440 to purchase two types of chairs

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

16 Apr 2026, 08:52

6

4

1,752

by: bot00078

19 Oct 2025, 03:21

ER

If k is a positive integer, is k^(1/2) an integer?

605-655 (Medium) | Multiples and Factors, Number Properties

605-655 (Medium) | Multiples and Factors, Number Properties hide tags

Bunuel

24 Dec 2017, 01:24

8

11

3,766

by: bumpbot

18 Oct 2025, 23:22

ER

Is 1/p > r/(r^2 + 2) ? (1) p = r (2) r > 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

tejal777

16 Oct 2019, 05:22

386

17

50,410

by: Bunuel

17 Oct 2025, 02:32

ER

What is the value of x^2 - 6x + 12? (1) (x - 2)(x - 4) = 0 (2) 7x - 3

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

06 May 2020, 21:34

14

9

5,775

by: bumpbot

16 Oct 2025, 12:21

ER

Is the total price of the three products more than $8.5?

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

31 Jan 2024, 02:30

5

4

1,691

by: bumpbot

16 Oct 2025, 10:58

ER

A group of students, each of whom has prepared a presentation, is

605-655 (Medium) | Combinations

605-655 (Medium) | Combinations hide tags

AbdurRakib

05 Jun 2016, 14:32

66

8

12,122

by: bumpbot

15 Oct 2025, 23:45

ER

Is d negative? (1) e + d = -12 (2) e – d < -12

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

jumli

10 Apr 2014, 07:10

65

14

17,885

by: bumpbot

14 Oct 2025, 09:02

ER

If n is an integer, is n + 1 a prime number?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

12 Jun 2013, 22:50

22

12

15,801

by: bumpbot

13 Oct 2025, 23:14

ER

Arun and Sylvia started running in the same direction

605-655 (Medium) | Distance and Speed Problems

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

MartyMurray

07 Mar 2026, 09:17

12

3

1,893

by: SamMenon

12 Oct 2025, 15:03

ER

If S is a set of four numbers x, y, z and w, is the range of the numbe

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

Bunuel

17 Sep 2017, 03:14

31

15

6,852

by: bumpbot

11 Oct 2025, 05:56

ER

If every member of set X {-14, -12, 17, 28, 41, Z} is multiplied by nu

605-655 (Medium) | Percent and Interest Problems, Statistics and Sets Problems

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

vjsharma25

27 Mar 2011, 00:07

46

12

20,561

by: bumpbot

11 Oct 2025, 03:03

ER

Harry, Davis and John had only $1 coins in their pockets when they wen

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

chand567

21 Dec 2018, 05:31

23

2

5,501

by: bumpbot

10 Oct 2025, 22:16

ER

Is the number of seconds required to travel d1 feet at r1

605-655 (Medium) | Distance and Speed Problems

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

1, 2

Walkabout

06 Dec 2012, 07:46

360

23

39,754

by: bumpbot

10 Oct 2025, 01:08

ER

If b is the product of three consecutive positive integers c, c + 1

605-655 (Medium) | Multiples and Factors

605-655 (Medium) | Multiples and Factors hide tags

gmatt1476

21 Sep 2019, 19:54

106

9

13,966

by: bumpbot

10 Oct 2025, 00:01

ER

If x is a positive integer, what is the value of (x + 24)^(1/2) - x

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

16 Jun 2016, 05:48

314

15

64,807

by: bumpbot

09 Oct 2025, 05:06