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

179

15

79,088

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

857

24

188,734

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,300

by: bb

29 Aug 2025, 13:27

ER

If X = 373p * 426q, where p and q are positive integers, what is the u

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Kritisood

13 Apr 2020, 08:08

12

2

2,775

by: bumpbot

24 Oct 2024, 05:59

ER

Is w an integer? (1) 3w is an odd number. (2) 2w is an even number.

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

10 May 2020, 05:30

9

6

8,449

by: bumpbot

24 Oct 2024, 19:40

ER

If a, b, c, and d are all positive integers, is c divisible by a/d?

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

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

mniyer

22 Dec 2013, 11:02

22

11

4,729

by: bumpbot

24 Oct 2024, 20:47

ER

A workshop runs on Wednesday, Thursday and Friday.

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

25 Oct 2024, 01:30

3

1

1,090

by: Nitish1103

25 Oct 2024, 05:28

ER

If during a sale, a pet store sells twice as many dogs as it sells cat

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

24 Oct 2024, 00:26

2

1

876

by: ParthM011

25 Oct 2024, 07:07

ER

On Halloween, Céilidh distributed candy to the trick-or-treaters who

705-805 (Hard) | Fractions and Ratios

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

N22J

25 Oct 2024, 06:38

11

7

3,121

by: Armaan209

25 Oct 2024, 23:49

ER

The new Moulant Diet requires adherents to limit their daily intake of

805+ (Hard) | Fractions and Ratios, Word Problems

805+ (Hard) | Fractions and Ratios, Word Problems hide tags

Bunuel

25 Jan 2018, 23:57

5

4

2,174

by: m7runner

26 Oct 2024, 01:12

If x and y are non zero numbers less than 1 is (y^4 - x^4)>(y^3 - x^5)

805+ (Hard) | Absolute Values, Inequalities

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

a70

14 Aug 2018, 04:16

54

11

8,193

by: bumpbot

26 Oct 2024, 01:26

ER

In order for a nursery to meet the conditions of its insurance there

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

25 Oct 2024, 01:30

4

3

1,457

by: tgsankar10

26 Oct 2024, 02:12

ER

If 243^x*463^y = n, where x and y are positive integers

655-705 (Hard) | Exponents

655-705 (Hard) | Exponents hide tags

anilnandyala

02 Oct 2010, 04:44

148

7

23,451

by: bumpbot

26 Oct 2024, 08:39

ER

In the coordinate plane, circle C has radius r and its center is at po

705-805 (Hard) | Coordinate Plane, Geometry

705-805 (Hard) | Coordinate Plane, Geometry hide tags

rakshitsood21

04 Sep 2020, 11:36

15

4

3,653

by: bumpbot

26 Oct 2024, 22:28

ER

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

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

naaga

25 Feb 2011, 08:15

37

9

15,696

by: bumpbot

26 Oct 2024, 23:00

ER

If x and y are integers, is x + y 1 divisible by 3?

Sub 505 (Easy) | Remainders

Sub 505 (Easy) | Remainders hide tags

Bunuel

11 May 2022, 09:00

6

5

2,106

by: bumpbot

27 Oct 2024, 01:09

ER

If x is a positive integer, is x even? (1) The remainder of (x^2-1)/4

Sub 505 (Easy) | Number Properties, Remainders

Sub 505 (Easy) | Number Properties, Remainders hide tags

Bunuel

11 Aug 2021, 06:00

5

3,187

by: bumpbot

27 Oct 2024, 01:23

ER

In the xy-coordinate plane, line A is defined by the equation j*x-y=-7

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

Tornikea

01 Sep 2015, 08:30

162

12

15,596

by: bumpbot

27 Oct 2024, 01:26

ER

What is the remainder when x^2 - y^2 is divided by 3?

Sub 505 (Easy) | Remainders

Sub 505 (Easy) | Remainders hide tags

manishuol

29 Apr 2013, 13:08

9

8

4,100

by: bumpbot

27 Oct 2024, 01:38

If a jar of candies is divided among 3 children, how many candies did

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

duahsolo

25 Oct 2016, 16:13

11

4

3,584

by: bumpbot

27 Oct 2024, 03:35

ER

What is the remainder when positive integer n is divided by 3?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

03 Sep 2022, 04:28

1

2

2,349

by: bumpbot

27 Oct 2024, 04:56

ER

What does the number x equal? (1) The quotient when the number is div

505-555 (Easy) | Remainders

505-555 (Easy) | Remainders hide tags

Bunuel

15 Jul 2019, 00:42

2

1,772

by: bumpbot

27 Oct 2024, 05:19

In the xy-coordinate plane, how many points of intersection with the

655-705 (Hard) | Coordinate Plane, Graphs and Illustrations

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

agathe1910

03 Aug 2023, 03:19

9

3

2,283

by: bumpbot

27 Oct 2024, 06:26

ER

What is the greatest common divisor of the integers z and x?

655-705 (Hard) | Multiples and Factors

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

Bunuel

20 Apr 2022, 01:30

3

2

1,378

by: bumpbot

27 Oct 2024, 12:22

ER

A jar contains 30 coins, of which 20 are nickels and 10 are dimes. If

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

01 Sep 2016, 03:55

3

4

5,590

by: bumpbot

28 Oct 2024, 04:32

ER

If x, y, and z are integers, what is the remainder when xyz is divided

605-655 (Medium) | Multiples and Factors, Remainders

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

Bunuel

18 Apr 2016, 01:17

11

5,775

by: bumpbot

28 Oct 2024, 20:40

ER

If m is a positive integer, what is the remainder when 2^m is divided

605-655 (Medium) | Exponents, Remainders

605-655 (Medium) | Exponents, Remainders hide tags

Bunuel

24 Sep 2018, 06:07

6

3

3,571

by: bumpbot

28 Oct 2024, 20:44

ER

Is y an integer? (1) y^3 is an integer (2) 3y is an integer

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

subhajeet

10 Feb 2012, 05:21

40

6

18,863

by: bumpbot

29 Oct 2024, 00:57

ER

Should a holistic approach be used to measure academic success?

Sub 505 (Easy) | Non-Math Related

Sub 505 (Easy) | Non-Math Related hide tags

guddo

14 Aug 2024, 07:08

3

2

3,233

by: pierjoejoe

29 Oct 2024, 08:39

ER

The cost, c and the revenue, r are related via the equation

555-605 (Medium) | Fractions and Ratios

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

MathRevolution

11 Jan 2018, 01:42

10

3

4,390

by: bumpbot

29 Oct 2024, 09:07

ER

What is the value of |x| x ? (1) x 0 (2) |x| > 0

505-555 (Easy) | Absolute Values

505-555 (Easy) | Absolute Values hide tags

Bunuel

06 Sep 2021, 01:30

16

7

3,541

by: bumpbot

29 Oct 2024, 22:48

ER

Is mn<10?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Srav

11 Oct 2015, 00:23

64

12

13,854

by: bumpbot

29 Oct 2024, 23:17

ER

If x + y is an integer, is y an integer?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

BANON

01 Mar 2012, 08:39

21

10

15,266

by: bumpbot

29 Oct 2024, 23:23

ER

Flasks M and N contain m and n liters of water respectively. Half of t

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

BrentGMATPrepNow

10 Jun 2019, 05:56

5

7

2,069

by: KanikaJain

29 Oct 2024, 23:32

ER

How many of the numbers x, y, and z are positive if each of

655-705 (Hard) | Arithmetic, Number Properties

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

Carcass

12 Jun 2013, 03:50

18

9

14,627

by: bumpbot

29 Oct 2024, 23:37

ER

Of the leopards at a certain zoo, 20% are both spotted and mature. If

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

Bunuel

18 Jun 2024, 01:30

4

5

2,259

by: pradeepbhuyan

30 Oct 2024, 07:45

ER

Does 2x + 8 = 12 ? (1) 2x + 10 = 14 (2) 3x + 8 = 14

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

02 Aug 2018, 04:52

7

6

28,560

by: bumpbot

30 Oct 2024, 08:55

ER

If M is a set of consecutive even integers, is 0 in set M ?

Sub 505 (Easy) | Sequences

Sub 505 (Easy) | Sequences hide tags

Bunuel

02 Aug 2018, 04:55

23

4

13,350

by: bumpbot

30 Oct 2024, 08:58

ER

Is 2x > 2y ? (1) x > y (2) 3x > 3y

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

06 Oct 2016, 01:21

33

14

20,436

by: bumpbot

31 Oct 2024, 01:16

ER

If p and q are positive, is p/q less than 1?

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

nycgirl212

06 Jul 2016, 19:10

34

7

35,186

by: bumpbot

31 Oct 2024, 02:16

ER

A real number N is of the form p/q, where p and q are both distinct po

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

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

amanvermagmat

21 Jul 2018, 10:54

5

3

2,094

by: bumpbot

31 Oct 2024, 03:55

ER

In the quilting pattern shown above, a small square has its vertices o

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

AbdurRakib

01 Jul 2016, 05:43

126

14

25,249

by: bumpbot

31 Oct 2024, 09:52

ER

Is x - x^2 > y - y^2 ? (1) x > y (2) x^2 > y^2

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

06 Dec 2019, 05:50

19

10

16,008

by: bumpbot

01 Nov 2024, 02:40

Given a sequence: a1, a2, a3, ... a20, a21

705-805 (Hard) | Sequences

705-805 (Hard) | Sequences hide tags

nahid78

15 Aug 2022, 08:54

9

4

2,094

by: pierjoejoe

01 Nov 2024, 08:15

ER

If x+2/y = 3, is xy an integer?

705-805 (Hard) | Algebra, Number Properties

705-805 (Hard) | Algebra, Number Properties hide tags

mau5

19 May 2013, 07:50

13

10

4,884

by: bumpbot

01 Nov 2024, 09:26

ER

Is m + z > 0 (1) m - 3z > 0 (2) 4z - m > 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

1, 2

kman

26 Apr 2018, 02:47

657

29

125,288

by: SomeOneUnique

01 Nov 2024, 18:30

ER

Is abc/d an integer if a, b, c, and d are positive integers? (1) (a +

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Kritisood

19 Jul 2020, 08:29

16

10

5,963

by: bumpbot

01 Nov 2024, 23:26

ER

On Monday, Nicole spent $780 on fifty-two collectors comic books.

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

23 Oct 2024, 01:30

4

3

1,687

by: Bunuel

02 Nov 2024, 09:45

ER

What is the ratio between A and B?

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

20 Jul 2016, 11:40

2

5,653

by: Cowtommi

02 Nov 2024, 12:52

ER

Jerry took a total of 10 tests, some in June and some in July last

505-555 (Easy) | Statistics and Sets Problems

505-555 (Easy) | Statistics and Sets Problems hide tags

Bunuel

04 Nov 2024, 01:45

4

1

1,264

by: cdrectenwald

04 Nov 2024, 06:23

ER

In order to make the national tennis team, Matt

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

jogeshanand

23 Jun 2014, 22:02

88

16

13,295

by: bumpbot

04 Nov 2024, 07:21

ER

What percentage of the agents at Best Be Safe insurance company sell

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

19 Dec 2019, 03:39

11

3

5,236

by: srik410

04 Nov 2024, 08:02

Paul participates in an archery competition. He can attempt either one

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

siddhantvarma

03 Nov 2024, 03:03

6

4

1,460

by: gmatophobia

04 Nov 2024, 08:27