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

178

15

79,031

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

188,701

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

488,229

by: bb

29 Aug 2025, 13:27

ER

In the figure above, if PR is a line segment, what is the sum of the

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

17 Dec 2014, 07:56

10

3

7,430

by: bumpbot

19 Mar 2025, 19:11

ER

What is the ratio of the number of bottles of Brand X to bottles of

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

19 Mar 2025, 00:30

1

3

618

by: GMATinsight

19 Mar 2025, 23:12

ER

If x and y are positive integers, is x divisible by 3?

655-705 (Hard) | Multiples and Factors

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

Bunuel

07 Nov 2019, 02:45

20

6

7,221

by: bumpbot

19 Mar 2025, 23:19

ER

After a one-piece circular tablecloth of maximum possible area was cut

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

23 May 2020, 08:37

15

5

6,603

by: Tableclothlinen

20 Mar 2025, 01:14

ER

A painter wishes to paint a house turquoise. To make the color, he sel

555-605 (Medium) | Mixture Problems

555-605 (Medium) | Mixture Problems hide tags

Bunuel

02 Feb 2015, 07:22

55

10

13,270

by: bumpbot

20 Mar 2025, 02:43

ER

Is |4m - 3n| > |3m - n| + |m - 2n| ?

805+ (Hard) | Absolute Values, Inequalities

805+ (Hard) | Absolute Values, Inequalities hide tags

Bunuel

06 Jul 2014, 10:11

154

17

16,237

by: bumpbot

20 Mar 2025, 05:49

ER

Jack picked 76 apples. Of these, he sold 4y apples to Juanita and 3t a

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

26 Apr 2019, 02:34

37

12

22,052

by: bumpbot

20 Mar 2025, 07:26

ER

If x^3*y = 24, what is the value of x^3*y^3 - x^2*y^2? (1) x^2*y^2 =

705-805 (Hard) | Algebra, Exponents

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

Bunuel

19 Jun 2018, 02:07

16

3

3,872

by: AnushkaTanwar

20 Mar 2025, 10:01

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

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

1, 2

Bunuel

24 Jun 2018, 11:13

144

27

40,457

by: bumpbot

20 Mar 2025, 19:11

ER

Richard's Roto-Rooter service has budgeted $5,000 to spend on

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

20 Mar 2025, 00:30

2

4

704

by: TC97

20 Mar 2025, 23:52

ER

Of the 3,600 registered voters in Smith County who took part in the

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

20 Mar 2025, 00:30

5

7

1,080

by: TC97

21 Mar 2025, 00:43

ER

What is the first term of an arithmetic progression of positive intege

705-805 (Hard) | Sequences

705-805 (Hard) | Sequences hide tags

Bunuel

25 Sep 2019, 05:34

8

9

6,465

by: bumpbot

21 Mar 2025, 07:49

ER

If p1 and p2 are the populations and r1 and r2 are the numbers of repr

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

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

Bunuel

18 Sep 2012, 03:26

112

17

32,045

by: Bunuel

21 Mar 2025, 08:29

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Jody and Dianne went on a cross-county hike of over 1 mile. Which one

555-605 (Medium) | Distance and Speed Problems

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

Bunuel

21 Mar 2025, 00:30

6

2

874

by: Dereno

21 Mar 2025, 11:37

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The number of calories Dave burns, D, by running for x minutes at

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

21 Mar 2025, 00:30

10

2

1,742

by: Dereno

21 Mar 2025, 11:57

ER

When 100 mice were injected with a certain chemical, some developed in

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

31 Jul 2023, 01:30

3

1,727

by: bumpbot

22 Mar 2025, 06:41

ER

What is the value of the integer x? (1) x is a prime number (2) 31 ≤ x

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

23 Sep 2018, 21:05

3

4

9,890

by: totaltestprepNick

22 Mar 2025, 14:37

ER

Can the positive integer p be expressed as the product of two integers

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

1, 2

Bunuel

27 Dec 2009, 05:49

128

21

51,424

by: totaltestprepNick

22 Mar 2025, 14:41

ER

For any positive integer x, the 2-height of x is defined to be the

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

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

Bunuel

26 Oct 2015, 09:58

646

19

73,030

by: bumpbot

23 Mar 2025, 00:06

ER

Z is a five-digit number as shown above, Is Z^2 divisible by 36?

705-805 (Hard) | Multiples and Factors, Remainders

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

Bunuel

28 Jan 2022, 02:30

15

3

2,811

by: bumpbot

23 Mar 2025, 01:39

ER

Do at least 60 percent of the students in Pats class walk to school?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

1, 2

Bunuel

21 Oct 2015, 21:43

68

20

30,351

by: bumpbot

23 Mar 2025, 03:19

ER

If ⊙ denotes a mathematical operation, does x⊙y = y⊙x for all x and y?

555-605 (Medium) | Arithmetic, Functions and Custom Characters

555-605 (Medium) | Arithmetic, Functions and Custom Characters hide tags

Bunuel

10 Aug 2017, 01:41

225

14

27,521

by: GMATinsight

23 Mar 2025, 04:54

ER

A conveyor belt moves bottles at a constant speed of 120 centimeters

555-605 (Medium) | Distance and Speed Problems

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

Bunuel

25 Oct 2015, 09:05

320

18

50,607

by: bumpbot

23 Mar 2025, 09:51

ER

Four friends go to Macys for shopping and buy a top each. Three of th

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

15 Apr 2015, 04:55

77

14

11,332

by: bumpbot

23 Mar 2025, 17:29

ER

A certain store sells a case of milk for x dollars. If the store

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

24 Mar 2025, 00:30

4

927

by: Dereno

24 Mar 2025, 10:56

ER

A retailer sells only radios and clocks. If there are currently

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

24 Mar 2025, 00:30

8

3

1,165

by: Dereno

24 Mar 2025, 11:21

ER

Machine R and machine S work at their respective constant rates. How

Sub 505 (Easy) | Work and Rate Problems

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

Bunuel

24 Jun 2018, 21:19

119

11

32,732

by: bumpbot

24 Mar 2025, 13:16

ER

If y is positive, what is the value of x?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

22 Aug 2017, 01:43

3

4

2,637

by: bumpbot

24 Mar 2025, 14:28

ER

Set S consists of n consecutive integers, where n > 1. What is the

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

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

Bunuel

04 Jun 2015, 04:22

34

10

9,267

by: bumpbot

24 Mar 2025, 23:37

ER

Is k^2 + k – 2 > 0?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

29 Oct 2017, 02:03

7

8

2,972

by: bumpbot

24 Mar 2025, 23:40

ER

In a colony, there are 75 families, each having at most 3 breeds of

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

15 Aug 2024, 01:30

5

4

2,264

by: Bunuel

24 Mar 2025, 23:47

ER

Machines A, B, and C produced identical bottles at different constant

505-555 (Easy) | Work and Rate Problems

505-555 (Easy) | Work and Rate Problems hide tags

Bunuel

25 Mar 2025, 00:30

3

4

626

by: Abhiswarup

25 Mar 2025, 08:30

ER

What is the value of the positive integer n ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

03 Jan 2014, 06:17

39

10

19,921

by: bumpbot

25 Mar 2025, 08:59

ER

What distance did Jane travel? (1) Bill traveled 40 miles in 40 minute

Sub 505 (Easy) | Distance and Speed Problems

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

Bunuel

23 Sep 2018, 21:17

18

4

10,399

by: bumpbot

25 Mar 2025, 09:23

ER

Is a < b < c ? (1) a - 1 < b < c + 1 (2) a + 1 < b < c - 1

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

19 Apr 2023, 11:15

4

2

1,228

by: bumpbot

25 Mar 2025, 17:44

ER

If the tick marks shown on the line above are equally spaced, what is

655-705 (Hard) | Graphs and Illustrations

655-705 (Hard) | Graphs and Illustrations hide tags

Bunuel

30 Aug 2019, 06:29

18

2

5,742

by: bumpbot

26 Mar 2025, 03:25

ER

Company Q has 18,000 employees, 40 percent of whom are married. What

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

07 Dec 2023, 02:30

4

2

1,855

by: bumpbot

26 Mar 2025, 07:39

ER

Is the value of n closer to 50 than to 75 ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

18 Nov 2022, 10:16

57

11

18,635

by: bumpbot

26 Mar 2025, 07:55

ER

If machine X ran continuously at a uniform rate to fill a production

505-555 (Easy) | Work and Rate Problems

505-555 (Easy) | Work and Rate Problems hide tags

Bunuel

26 Mar 2025, 00:30

3

5

647

by: Dereno

26 Mar 2025, 10:51

ER

What distance does Jim travel from his home to the supermarket?

Sub 505 (Easy) | Distance and Speed Problems

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

Bunuel

26 Mar 2025, 00:30

4

5

684

by: Dereno

26 Mar 2025, 10:59

ER

Is the average score of the students in the 3 classes together equal

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

18 May 2022, 04:00

8

2

1,686

by: bumpbot

26 Mar 2025, 12:17

ER

If n is an integer greater than 1 is 3^n-2^n divisible by 35

805+ (Hard) | Exponents +2 tags

805+ (Hard) | Exponents, Multiples and Factors, Number Properties hide tags

1, 2

Bunuel

28 Apr 2022, 06:57

320

29

29,324

by: bumpbot

27 Mar 2025, 05:12

ER

If p and q are integers, is (p + q)/2 an integer? (1) p < 17 (2) p = q

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

07 May 2021, 05:54

2

4

6,393

by: bumpbot

27 Mar 2025, 07:18

ER

In Madison School, 120 students are members of the chess club or drama

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

27 Mar 2025, 00:30

1

465

by: GMATinsight

27 Mar 2025, 07:35

ER

Each week, Jesse is paid x dollars per hour for the first 40 hours

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

27 Mar 2025, 00:30

6

5

1,132

by: Dereno

27 Mar 2025, 11:22

ER

805+ (Hard) | Arithmetic +2 tags

805+ (Hard) | Arithmetic, Functions and Custom Characters, Inequalities hide tags

Bunuel

21 Dec 2023, 07:00

4

3

3,593

by: Bunuel

27 Mar 2025, 11:36

ER

The operation denoted by the symbol # is defined for all real numbers

505-555 (Easy) | Functions and Custom Characters

505-555 (Easy) | Functions and Custom Characters hide tags

Bunuel

15 Jul 2019, 00:16

2

3

2,167

by: Ertucinar

27 Mar 2025, 13:16

ER

If j is an integer, is k an integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

08 Jan 2018, 07:38

3

5

1,977

by: bumpbot

27 Mar 2025, 22:55

ER

What is the least possible common multiple of positive integers x and

555-605 (Medium) | Multiples and Factors

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

Bunuel

15 Dec 2016, 04:42

8

4

4,028

by: RakshitaR

28 Mar 2025, 02:33

ER

If y is an integer such that 2 < y < 100 and if y is also the square

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

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

Bunuel

14 Jan 2015, 02:35

14

6

6,307

by: bumpbot

28 Mar 2025, 10:08