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

79,481

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

188,950

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

488,626

by: bb

29 Aug 2025, 13:27

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

747

by: av1901

31 Jul 2022, 12:47

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

1,901

by: bumpbot

01 Aug 2022, 02:08

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

2,435

by: bumpbot

01 Aug 2022, 03:37

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

1,996

by: bumpbot

01 Aug 2022, 10:44

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

2,108

by: bumpbot

02 Aug 2022, 05:34

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

7,149

by: bumpbot

02 Aug 2022, 07:49

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

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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

1,521

by: bumpbot

02 Aug 2022, 08:11

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

4,361

by: bumpbot

02 Aug 2022, 12:11

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

1,502

by: bumpbot

02 Aug 2022, 20:31

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

3,460

by: bumpbot

03 Aug 2022, 02:47

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

2,531

by: Rabab36

03 Aug 2022, 03:54

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

1,275

by: GMATinsight

03 Aug 2022, 09:45

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

1,349

by: av1901

03 Aug 2022, 13:23

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

1,029

by: av1901

03 Aug 2022, 13:51

ER

Is BG > EC?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

05 Feb 2015, 09:09

14

5

5,688

by: bumpbot

03 Aug 2022, 23:59

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

2,161

by: rahulp11

04 Aug 2022, 04:13

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

2,894

by: bumpbot

04 Aug 2022, 06:01

ER

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

3,562

by: bumpbot

04 Aug 2022, 18:47

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

1,785

by: Nirmesh83

04 Aug 2022, 20:49

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

3,939

by: gmatophobia

04 Aug 2022, 23:40

ER

For distinct positive integers x and y, where x < y, the function FP(x

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Bunuel

03 Jun 2020, 23:02

16

7

2,976

by: bumpbot

05 Aug 2022, 09:46

ER

ABC is an equilateral triangle, and point D is the midpoint of side BC

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

11 Apr 2022, 01:30

10

6

3,798

by: figjam786

05 Aug 2022, 12:55

ER

Is the area of Quadrilateral R greater than the area of Quadrilateral

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

03 Aug 2022, 08:00

1

986

by: SaquibHGMATWhiz

05 Aug 2022, 21:42

ER

If the total price of n equally priced laptop computers was $13,000

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

03 Aug 2022, 13:30

3

2

1,335

by: Bunuel

06 Aug 2022, 02:30

ER

If x is a positive integer and x ≤ 30, what is the value of x?

505-555 (Easy) | Multiples and Factors, Number Properties

505-555 (Easy) | Multiples and Factors, Number Properties hide tags

Bunuel

04 Feb 2021, 09:45

4

3

6,448

by: bumpbot

06 Aug 2022, 07:22

ER

The figure shows the path of a circular racetrack. What is the length

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

12 Jul 2019, 02:17

2

5

1,733

by: bumpbot

06 Aug 2022, 17:02

ER

In the right triangle above, is c less than 10? (1) b < 8 (2) c > 9

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

29 Apr 2020, 03:20

17

4

9,319

by: bumpbot

07 Aug 2022, 01:58

ER

What is the remainder when integer n is divided by two?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

10 Jan 2017, 04:04

3

5

2,893

by: bumpbot

07 Aug 2022, 03:25

ER

If a < b < c < d and a, b, c, and d all are powers of 2 and all are po

705-805 (Hard) | Algebra, Exponents

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

Bunuel

24 Feb 2020, 03:45

10

4

3,105

by: Fdambro294

07 Aug 2022, 20:34

ER

What is 50% of x plus 25% of y ? (1) 25% of x plus 50% of y equals 20

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

04 Aug 2022, 12:30

1

960

by: ska7wn

07 Aug 2022, 22:25

ER

For the infinite series a1, a2, ..., an, an=a(n−1)+n, and a1=1. If n>4

805+ (Hard) | Number Properties, Sequences

805+ (Hard) | Number Properties, Sequences hide tags

Bunuel

21 Nov 2016, 02:46

13

6

5,665

by: bumpbot

08 Aug 2022, 22:22

ER

Let x be a two-digit number whose tens digit is t and whose units

555-605 (Medium) | Fractions and Ratios, Multiples and Factors

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

Bunuel

14 Jul 2015, 00:58

10

8

7,146

by: bumpbot

09 Aug 2022, 11:54

ER

What is the volume of cube C ? (1) The total surface area ofCis 54 sq

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

09 Aug 2022, 01:30

1

1,310

by: TheAlchemist36

09 Aug 2022, 12:15

ER

What is the one-thousandth term in sequence S ? (1) The fifth term in

505-555 (Easy) | Sequences

505-555 (Easy) | Sequences hide tags

Bunuel

09 Aug 2022, 01:30

4

1

1,416

by: yashikaaggarwal

09 Aug 2022, 20:28

ER

If x, y, and z are all positive integers, how many trailing zeros are

555-605 (Medium) | Exponents, Number Properties

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

Bunuel

29 Apr 2016, 16:05

4

2,854

by: Arthurito

10 Aug 2022, 07:40

ER

How many chocolate bars 2 inches wide and 4 inches long can be packed

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

10 Aug 2022, 08:00

1

912

by: EllaWoodMN

10 Aug 2022, 08:36

ER

In the parallelogram above, what is the measure of ABC?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

10 Aug 2022, 01:31

1

1,097

by: sanjitscorps18

10 Aug 2022, 09:01

ER

If Patty is five years older than Rod, how old is Rod? (1) Fifteen ye

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

10 Aug 2022, 04:00

1

799

by: sanjitscorps18

10 Aug 2022, 09:20

ER

A swimming pool is supplied water by two pipes, P and Q. If pipe P ope

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

Bunuel

10 Aug 2022, 07:30

1

1,564

by: sanjitscorps18

10 Aug 2022, 09:28

ER

If a and b are both positive integers greater than 1 and a^b = a^(11b)

655-705 (Hard) | Absolute Values, Exponents

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

Bunuel

17 Jan 2020, 02:18

10

5

4,070

by: bumpbot

10 Aug 2022, 10:03

ER

If ab - 2b = (4 - a)b, what is the value of b? (1) |a^2 - 9| ≤ 0 (2)

805+ (Hard) | Absolute Values +2 tags

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

Bunuel

03 Jul 2020, 01:59

29

15

7,350

by: bumpbot

10 Aug 2022, 11:57

ER

Is x greater than y ? (1) 3x = 4y (2) x = k/3, y= k/4 and k > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

06 Feb 2018, 06:10

3

2

1,972

by: bumpbot

10 Aug 2022, 17:41

ER

Is it cheaper to buy bagels by the dozen rather than singly?

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

10 Aug 2022, 16:00

1

760

by: rkhosla

10 Aug 2022, 20:04

ER

A man's total travel expense over 3 days was $42. What was his median

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

25 Nov 2019, 02:59

5

2,624

by: bumpbot

12 Aug 2022, 09:55

ER

Does the point (p, q) lie on the line y = mx + c (p, m, and c are non-

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Bunuel

19 Jul 2019, 00:41

21

7

3,335

by: bumpbot

12 Aug 2022, 11:56

ER

If d is a positive integer, is d^(1/2) greater than 15?

555-605 (Medium) | Inequalities, Multiples and Factors

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

Bunuel

02 Jun 2016, 11:42

18

5

8,390

by: bumpbot

12 Aug 2022, 23:27

ER

Is x = 1, y = 2, and z = 3? (1) 5x + 2z + 3 = 3x + 4y = y + 2z + 3

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

20 Jul 2022, 01:30

1

4

1,282

by: Siddharth108

13 Aug 2022, 00:55

ER

If p is a positive integer, and x = m^(1/3), y = n^(1/2), and z = 2p

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

Bunuel

03 Aug 2022, 12:45

1

950

by: stne

13 Aug 2022, 06:43

ER

If a, b, and c are consecutive integers, such that a < b < c, is their

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

06 Dec 2019, 06:12

6

5,777

by: bumpbot

14 Aug 2022, 08:55