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

176

15

78,676

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

854

24

188,501

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

487,902

by: bb

29 Aug 2025, 13:27

ER

What results if the number x is rounded to the nearest hundred?

705-805 (Hard) | Arithmetic, Fractions and Ratios

705-805 (Hard) | Arithmetic, Fractions and Ratios hide tags

Jp27

24 Apr 2024, 00:38

32

9

8,060

by: bumpbot

24 Aug 2025, 06:07

ER

Rounded to the nearest unit, x=?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

rohan2345

19 Feb 2019, 06:09

16

5

2,769

by: bumpbot

24 Aug 2025, 06:04

ER

If x > 0, y > 0, and a ≠ y, is (x − a)/(y − a) < x/y ?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

Bunuel

06 Oct 2021, 06:30

12

4

3,349

by: bumpbot

23 Aug 2025, 04:41

ER

A group of 9 people is traveling in two taxis from one

705-805 (Hard) | Combinations

705-805 (Hard) | Combinations hide tags

bhandariavi

20 Mar 2011, 16:20

72

17

13,956

by: bumpbot

22 Aug 2025, 02:41

ER

If x and y are positive, is 3x > 7y? (1) x > y + 4 (2) -5x < -14y

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

mehdiov

05 Nov 2018, 00:25

44

6

24,044

by: bumpbot

21 Aug 2025, 15:58

ER

Is n(n+1)(n+2) divisible by 24?

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

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

PrepTap

07 May 2015, 00:08

63

10

17,586

by: bumpbot

21 Aug 2025, 12:08

ER

What will be the value of a/b ? Given that a and b are

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

GMATBaumgartner

17 Oct 2012, 04:01

135

12

14,657

by: bumpbot

21 Aug 2025, 12:04

ER

Is the integer r divisible by 3?

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

jimmyjamesdonkey

08 Apr 2015, 03:39

58

12

33,247

by: bumpbot

21 Aug 2025, 00:16

ER

Of the 800 sweaters in a certain store, 150 are red. How

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

jairus

14 Jun 2023, 16:40

129

17

49,777

by: bumpbot

19 Aug 2025, 21:42

ER

The number A can be expressed as p x q, where p and q are positive int

555-605 (Medium) | Number Properties, Remainders

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

EgmatQuantExpert

21 Nov 2018, 03:58

21

5

6,489

by: bumpbot

19 Aug 2025, 20:06

ER

If x is a non-zero integer (40 + 24)/x is an integer?

605-655 (Medium) | Multiples and Factors

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

Bunuel

29 Oct 2015, 01:23

10

9

3,776

by: bumpbot

19 Aug 2025, 17:47

ER

Jazz and blues recordings accounted for 6 percent of the $840 million

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

16 Jun 2016, 05:45

116

13

34,544

by: bumpbot

19 Aug 2025, 07:45

ER

If a loan of P dollars, at an interest rate of r percent...

555-605 (Medium) | Percent and Interest Problems, Word Problems

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

NeverSurrender

11 Oct 2013, 03:29

292

19

62,933

by: bumpbot

19 Aug 2025, 07:37

ER

A certain bakery sells rye bread in 16-ounce loaves and

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

fiendex

06 Feb 2012, 07:57

20

7

17,773

by: bumpbot

18 Aug 2025, 10:36

ER

What is the ratio of the amount, by weight, of Metal A to Metal B in A

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

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

guddo

30 May 2024, 11:02

24

12

6,515

by: Bunuel

16 Aug 2025, 01:35

ER

If ab ≠ 0; is a/b > 0 ? (1) |a*b| = a*b (2) |a| + |b| = |a + b |

605-655 (Medium) | Absolute Values, Inequalities

605-655 (Medium) | Absolute Values, Inequalities hide tags

contactakanksha

03 Mar 2020, 05:37

9

5

3,449

by: Bunuel

14 Aug 2025, 06:41

ER

If machine M is required to make 3000 items and machine N is required

655-705 (Hard) | Work and Rate Problems

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

LevanKhukhunashvili

12 Jul 2018, 04:08

38

10

6,937

by: bumpbot

13 Aug 2025, 02:42

ER

The probability that event A occurs is 0.4 and the probability that

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

MathRevolution

16 Sep 2017, 07:32

34

13

9,276

by: bumpbot

13 Aug 2025, 01:46

ER

What is the greatest common divisor of two positive integers a and b?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

chetan2u

20 Jan 2015, 12:59

14

5

5,779

by: bumpbot

11 Aug 2025, 17:11

ER

What is the value of a positive integer x? (1) x has exactly two disti

705-805 (Hard) | Multiples and Factors

705-805 (Hard) | Multiples and Factors hide tags

Bunuel

26 Sep 2018, 05:35

6

8

3,252

by: Pranavsawant

11 Aug 2025, 16:57

ER

Is the positive integer n a multiple of 24 ?

555-605 (Medium) | Multiples and Factors, Number Properties

555-605 (Medium) | Multiples and Factors, Number Properties hide tags

MHIKER

23 Feb 2011, 00:35

169

12

37,724

by: bumpbot

11 Aug 2025, 05:46

ER

In an election for class president, each of 32 students vote

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

enigma123

25 Mar 2014, 15:49

13

7

11,143

by: bumpbot

10 Aug 2025, 13:40

ER

Last year, if Elena spent a total of $720 on newspapers, magazines

505-555 (Easy) | Percent and Interest Problems

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

Bunuel

13 Jan 2014, 01:54

60

8

22,338

by: bumpbot

10 Aug 2025, 05:48

ER

A box contains orange, green and blue balls. If one ball is chosen at

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

02 Jun 2020, 09:15

9

7

3,928

by: bumpbot

08 Aug 2025, 22:54

ER

What is the 1st term in sequence S ?

Sub 505 (Easy) | Sequences

Sub 505 (Easy) | Sequences hide tags

vivek_dj

04 Mar 2004, 10:54

26

13

10,691

by: bumpbot

08 Aug 2025, 13:28

ER

Is the positive integer X divisible by 21?

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

Bunuel

14 Mar 2016, 07:47

38

15

11,744

by: bumpbot

07 Aug 2025, 10:56

ER

On the x-y coordinate grid, are points A(m, n) and B(r, t) equidistant

505-555 (Easy) | Absolute Values, Coordinate Plane

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

Bunuel

25 May 2020, 05:03

9

5

2,888

by: bumpbot

06 Aug 2025, 10:20

ER

A certain computer company produces two different monitors, P and Q.

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

GMATinsight

22 Apr 2020, 00:46

58

5

18,741

by: GmatKnightTutor

06 Aug 2025, 04:55

ER

Does the product jkmn equal 1?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

paki

07 Oct 2022, 08:18

13

8

16,103

by: bumpbot

05 Aug 2025, 10:17

ER

Is a < b ? (1) |a - b| < |b| (2) a < 0

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

17 Dec 2019, 01:55

25

14

5,949

by: bumpbot

05 Aug 2025, 07:46

ER

Data Sufficiency Pack 2, Question 2) Is A > B?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

EMPOWERgmatRichC

01 Nov 2015, 17:33

9

7

3,621

by: bumpbot

05 Aug 2025, 07:12

ER

In a sequence of 13 consecutive integers, all of which are

805+ (Hard) | Multiples and Factors, Sequences

805+ (Hard) | Multiples and Factors, Sequences hide tags

dimitri92

02 Jul 2013, 14:05

43

14

14,356

by: bumpbot

04 Aug 2025, 23:17

ER

25 integers are written on a board. Are there at least two consecutive

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

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

Bunuel

08 Apr 2015, 05:27

40

15

10,088

by: bumpbot

03 Aug 2025, 13:32

ER

What is the value of x? (1) x = 1/x^2 (2) |x| = 1/x

555-605 (Medium) | Absolute Values, Algebra

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

Bunuel

01 Jul 2018, 23:40

32

10

6,895

by: bumpbot

02 Aug 2025, 20:29

ER

Five coffee-chicory blends - J, K, L, M, and N - are all priced

705-805 (Hard) | Non-Math Related +2 tags

705-805 (Hard) | Non-Math Related, Statistics and Sets Problems, Word Problems hide tags

GMATCoachBen

06 Feb 2024, 18:30

143

9

14,358

by: goaltop30mba

31 Jul 2025, 15:32

ER

What is the value of x? (1) √x^4 = 9 (2) √x^2 = -x

555-605 (Medium) | Algebra +2 tags

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

Bunuel

13 Aug 2018, 04:03

35

11

8,769

by: bumpbot

29 Jul 2025, 06:42

ER

Placerville's soccer team won one third of its first 18 games and one

555-605 (Medium) | Fractions and Ratios

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

d999

11 Mar 2020, 01:48

12

7

6,369

by: bumpbot

28 Jul 2025, 23:16

ER

a, b, and c are three integers such that a and b are less

705-805 (Hard) | Multiples and Factors, Number Properties

705-805 (Hard) | Multiples and Factors, Number Properties hide tags

Carcass

18 Apr 2012, 06:05

25

11

7,779

by: bumpbot

28 Jul 2025, 11:31

ER

A store sells only two types of shirts - branded and non-branded

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

souvik101990

20 Apr 2018, 01:34

17

10

5,076

by: bumpbot

28 Jul 2025, 04:48

ER

Bobby and his younger brother Johnny have the same birthday. Johnny's

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

03 Nov 2014, 09:31

116

7

12,887

by: bumpbot

27 Jul 2025, 05:38

ER

30 people in total attended an office party for a

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

mvivekc

15 Jul 2014, 23:42

49

16

14,490

by: bumpbot

27 Jul 2025, 04:50

ER

Is x a prime number? (2) y^2 = x (1) 2x/x^2 = 1

655-705 (Hard) | Algebra, Number Properties

655-705 (Hard) | Algebra, Number Properties hide tags

Bunuel

16 Feb 2015, 06:54

39

13

7,809

by: samriddhi1234

26 Jul 2025, 07:48

ER

A certain expressway has Exits J, K, L, and M, in that order. What is

505-555 (Easy) | Arithmetic, Coordinate Plane

505-555 (Easy) | Arithmetic, Coordinate Plane hide tags

Bunuel

30 Jul 2012, 02:12

71

6

30,759

by: bumpbot

26 Jul 2025, 04:47

ER

If a, b, and c are consecutive integers and 0 < a < b < c, is the prod

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Carcass

27 Jul 2017, 08:18

185

15

37,179

by: bumpbot

25 Jul 2025, 00:40

ER

How many cylindrical cans with a radius of 2 inches and a height of 6

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

damham17

22 Nov 2018, 04:01

72

6

12,106

by: Bunuel

23 Jul 2025, 14:23

ER

Was the average (arithmetic mean) sale price of a new home in region R

605-655 (Medium) | Statistics and Sets Problems

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

Carcass

09 Jun 2023, 11:33

64

12

11,745

by: Ayushi2000

22 Jul 2025, 14:41

ER

Is x > y? (1) x^2 > y (2) x – |y| > 0

505-555 (Easy) | Absolute Values, Inequalities

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

Bunuel

23 Mar 2016, 11:37

28

12

7,472

by: bumpbot

21 Jul 2025, 10:42

ER

Is x/y < xy ? (1) xy > 0 (2) y < -1

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

26 Jan 2021, 01:15

24

10

7,056

by: bumpbot

21 Jul 2025, 03:13

ER

Is x>0 ?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

BillyZ

11 May 2017, 02:34

13

14

6,438

by: bumpbot

21 Jul 2025, 03:11

ER

Is x < y?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Puneethrao

01 Nov 2013, 01:01

14

8

6,275

by: bumpbot

20 Jul 2025, 19:19