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

79,219

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

188,824

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

488,450

by: bb

29 Aug 2025, 13:27

ER

What is the numerical value of

805+ (Hard) | Algebra, Fractions and Ratios

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

TheUltimateWinner

10 Feb 2020, 11:07

6

8

2,534

by: bumpbot

05 Aug 2022, 09:34

ER

GMAT Club World Cup 2022 (DAY 7): If a, b, c, and d are distinct

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

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

Bunuel

19 Jul 2022, 08:00

29

19

3,929

by: gmatophobia

04 Aug 2022, 23:40

ER

If xy 0, which quadrant is point (x, y) in?

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

Bunuel

13 Apr 2022, 09:00

2

1,777

by: Nirmesh83

04 Aug 2022, 20:49

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If a is less than 80% of b, is a less than 50?

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

11 Feb 2020, 01:17

8

9

3,557

by: bumpbot

04 Aug 2022, 18:47

ER

If the number of members in the club C is 100, what is the value of x?

655-705 (Hard) | Statistics and Sets Problems

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

sunny91

11 Nov 2017, 05:31

6

4

3,184

by: bumpbot

04 Aug 2022, 17:41

ER

What is the value of x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

23 Jul 2015, 02:45

6

8

2,890

by: bumpbot

04 Aug 2022, 06:01

ER

How many rectangular cereal boxes can be shipped in a certain cardboar

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

06 Jul 2022, 04:00

3

1

2,160

by: rahulp11

04 Aug 2022, 04:13

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

6

4

2,784

by: san10789

04 Aug 2022, 03:22

ER

Is |x + y| < |x| + |y|? (1) |x| ≠ |y| (2) |x – y| > |x + y|

555-605 (Medium) | Absolute Values, Inequalities

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

BabySmurf

05 Feb 2019, 04:35

80

8

9,089

by: bumpbot

04 Aug 2022, 00:53

ER

Is BG > EC?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

05 Feb 2015, 09:09

14

5

5,685

by: bumpbot

03 Aug 2022, 23:59

ER

Is 2m 3n equal to 0 ? (1) 2|m| 3|n| = 0 (2) m/n is positive.

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

Bunuel

03 Aug 2022, 12:45

1

1,028

by: av1901

03 Aug 2022, 13:51

ER

Daniel, Carl, and Todd working together can load a moving van in 8 hou

Sub 505 (Easy) | Work and Rate Problems

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

Bunuel

03 Aug 2022, 11:30

3

1

1,348

by: av1901

03 Aug 2022, 13:23

ER

What is the fifth number in a particular series of numbers, if the ten

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

Bunuel

03 Aug 2022, 09:30

1

1,272

by: GMATinsight

03 Aug 2022, 09:45

ER

Is the perimeter of equilateral triangle T greater than the perimeter

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

rxs0005

22 Sep 2010, 09:45

16

6

12,452

by: bumpbot

03 Aug 2022, 08:38

ER

If p q and r are integers, is p+q+r> 0 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Carcass

19 Apr 2012, 03:20

21

7

6,451

by: bumpbot

03 Aug 2022, 05:42

ER

How many books are there on a certain shelf? (1) If four books are re

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

03 Aug 2022, 03:30

1

2,530

by: Rabab36

03 Aug 2022, 03:54

ER

If x and y are consecutive even integers, is x > y ?

555-605 (Medium) | Inequalities, Number Properties

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

Bunuel

30 Dec 2020, 10:46

4

5

3,458

by: bumpbot

03 Aug 2022, 02:47

ER

If x = 54^n and y = 89^n and z =x*y. What is the units digit of z?

655-705 (Hard) | Exponents, Number Properties

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

Bunuel

04 Feb 2021, 08:00

6

3

1,497

by: bumpbot

02 Aug 2022, 20:31

Is the positive integer X a prime number? (1) X is a factor of anothe

555-605 (Medium) | Multiples and Factors

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

amanvermagmat

06 Aug 2018, 10:52

2

1,500

by: bumpbot

02 Aug 2022, 18:23

ER

If x and y are integers, is x^2-y^2 odd?

555-605 (Medium) | Multiples and Factors

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

fskilnik

06 Feb 2019, 15:40

4

3

1,340

by: bumpbot

02 Aug 2022, 18:09

ER

In the given Figure, what is the Area of the Equilateral triangle ABC?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

GMATBusters

29 Sep 2018, 10:24

15

8

3,914

by: bumpbot

02 Aug 2022, 15:56

ER

If two circles overlap each other, what is the area of that overlap?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

24 Mar 2020, 07:05

15

5

4,360

by: bumpbot

02 Aug 2022, 12:11

ER

Does the sum p + q + r + s equal 4? (1) (p + q)/(r + s) = 1 (2) p = q

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

12 Jul 2019, 00:00

1

3

1,518

by: bumpbot

02 Aug 2022, 08:11

ER

A function is expressed as f(x) = mx + c. Does f(p) f(q) equal p q

505-555 (Easy) | Functions and Custom Characters

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

Bunuel

02 Aug 2022, 04:45

1

1,180

by: Beppedeleo01

02 Aug 2022, 07:59

ER

Three circles with radii of 1, 2, and 3, lie on the same plane. Do any

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

29 Jul 2015, 15:42

31

5

7,148

by: bumpbot

02 Aug 2022, 07:49

ER

A store normally charges $0.85 per package of spaghetti, regardless of

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

23 Oct 2019, 02:17

3

2

2,107

by: bumpbot

02 Aug 2022, 05:34

ER

In the figure shown, the square ABCD is inscribed in the triangle EFG.

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

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

fskilnik

04 Feb 2019, 12:44

6

4

2,133

by: bumpbot

01 Aug 2022, 15:39

ER

If 3m = 4n^3, what are the values of m and n? (1) sqrt(m) =6 (2) n^

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Nanobotstv

19 May 2018, 05:20

4

2

6,087

by: bumpbot

01 Aug 2022, 10:51

ER

For a collection of measurements, the average value was found to be m.

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

02 Jan 2018, 23:54

2

3

1,988

by: bumpbot

01 Aug 2022, 10:44

On the x-y coordinate grid, are points A (x1, y1) and B (x2, y2) equid

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Kritisood

14 Mar 2020, 22:50

8

4

3,747

by: bumpbot

01 Aug 2022, 08:43

ER

If x is not equal to 1, is x^2/(x-1) greater than x?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

banksy

18 Feb 2011, 11:58

9

4

4,300

by: bumpbot

01 Aug 2022, 08:27

ER

What is the value of (a − c)^2? (1) ac = 1 (2) (a + c)^2 = 26

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

15 Jan 2020, 02:19

2

4

2,428

by: bumpbot

01 Aug 2022, 03:37

ER

Is the number x between 0.2 and 0.7 ? (1) 350x > 140 (2) 280x < 140

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

14 Jul 2021, 07:00

2

1,895

by: bumpbot

01 Aug 2022, 02:08

ER

Is r negative?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Helium

13 Nov 2018, 09:54

3

6

2,182

by: bumpbot

01 Aug 2022, 00:30

ER

How many pairs of shoes does Eileen have?

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

30 Jul 2022, 11:15

1

742

by: av1901

31 Jul 2022, 12:47

ER

What is the value of k?

655-705 (Hard) | Algebra, Inequalities

655-705 (Hard) | Algebra, Inequalities hide tags

Nevernevergiveup

25 Sep 2016, 06:52

31

10

9,251

by: bumpbot

31 Jul 2022, 09:12

ER

What is the value of xyz? (1) xy + 1 = 2 (2) yz 1 = 1

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

31 Jul 2022, 03:15

2

1

1,027

by: yashikaaggarwal

31 Jul 2022, 08:52

ER

If a typist at Company X can type 75 words per a minute, how many mist

Sub 505 (Easy) | Work and Rate Problems

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

Bunuel

31 Jul 2022, 06:15

1

1,415

by: rajchotu02

31 Jul 2022, 08:09

ER

Jason can drive from his home to his office by one of two possible rou

505-555 (Easy) | Distance and Speed Problems

505-555 (Easy) | Distance and Speed Problems hide tags

Bunuel

30 Jul 2022, 13:15

1

1,629

by: av1901

30 Jul 2022, 17:09

ER

Is the percent increase in the profit made on the articles in the stor

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

30 Jul 2022, 01:15

1

1,104

by: KartikSingh09

30 Jul 2022, 01:27

ER

Is the length of the longest line that can be drawn inside a cube grea

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

29 Jul 2022, 06:30

1

2

1,360

by: singhaz

29 Jul 2022, 23:01

ER

Is |n| > 5? (1) |n+5| = 4 (2) |n+1| > 0

605-655 (Medium) | Absolute Values, Inequalities

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

101Gmatguru

29 Jul 2022, 10:50

3

2,217

by: av1901

29 Jul 2022, 14:00

ER

In triangle ABC, the length of BC is x, the length of AC is y, and the

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

GMATUser1928843

26 Jun 2022, 13:37

1

2

1,510

by: Krishnendu2020

29 Jul 2022, 11:40

ER

What is the area of the triangle above ? (1) x = 90° (2) d = 5

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

28 Jul 2022, 04:51

1

2

1,090

by: rajchotu02

29 Jul 2022, 08:18

ER

Is a + b > ab? (1) 2 > a (2) b > a

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

28 Jul 2022, 10:30

1

969

by: harshittahuja

28 Jul 2022, 12:16

ER

If ab 0 and (|x| a)(|x| b) = 0, then how many possible solutions

805+ (Hard) | Absolute Values

805+ (Hard) | Absolute Values hide tags

Bunuel

21 Jul 2022, 01:30

2

1

1,002

by: Dev23

28 Jul 2022, 04:42

ER

There are 210 rooms in a hotel. All of the rooms are cleaned by housek

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

27 Jul 2022, 16:00

3

1,348

by: Kinshook

28 Jul 2022, 00:04

ER

Each of the 350 students either is graduate or postgraduate. What is

505-555 (Easy) | Overlapping Sets, Probability

505-555 (Easy) | Overlapping Sets, Probability hide tags

Bunuel

27 Jul 2022, 15:30

1

1,769

by: aishu0091

27 Jul 2022, 22:08

ER

In the figure ,small circel with radius r intersects larger

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

AnkitK

11 May 2011, 23:45

51

13

18,181

by: bumpbot

27 Jul 2022, 21:23

ER

How many people received a certain survey?

Sub 505 (Easy) | Fractions and Ratios, Word Problems

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

Bunuel

16 Oct 2019, 08:13

2

3

6,077

by: bumpbot

27 Jul 2022, 13:22