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

79,244

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

188,843

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,469

by: bb

29 Aug 2025, 13:27

ER

If triangles ABC and CDE are each equilateral, what is the

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

sanjoo

08 Feb 2014, 01:47

32

6

13,704

by: bumpbot

04 Oct 2022, 05:59

ER

What is the value of x^2 + y^2 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

maxLRok

24 Nov 2014, 01:44

7

6

6,389

by: bumpbot

07 Oct 2022, 08:44

ER

If a, b and c are any three single digit numbers from 1 to 9, both

655-705 (Hard) | Multiples and Factors

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

Bunuel

30 Jul 2017, 22:38

5

6

2,135

by: bumpbot

07 Oct 2022, 19:55

ER

Positive integers a, b and c are all less than 10. If the sum of all t

Poor Quality

Poor Quality hide tags

Bunuel

02 Mar 2022, 03:46

28

6

5,665

by: Bunuel

11 Oct 2022, 02:06

ER

A pathway, 6 meters wide, is to be constructed around the boundary of

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

23 Jul 2017, 23:35

7

6

2,575

by: varshas044

11 Oct 2022, 11:27

ER

Positive integers a, b and c are all less than 10. If the sum of all

805+ (Hard) | Arithmetic +2 tags

805+ (Hard) | Arithmetic, Combinations, Number Properties hide tags

Bunuel

11 Oct 2022, 02:01

23

6

4,583

by: chetan2u

12 Oct 2022, 00:06

ER

Is the nth root of n greater than the cube root of 3?

Sub 505 (Easy) | Roots

Sub 505 (Easy) | Roots hide tags

zxcvbnmas

04 Feb 2016, 18:18

11

6

7,317

by: bumpbot

17 Oct 2022, 01:41

ER

What was the percent increase in the value of a certain antique from

Sub 505 (Easy) | Percent and Interest Problems, Word Problems

Sub 505 (Easy) | Percent and Interest Problems, Word Problems hide tags

Bunuel

22 Dec 2014, 08:43

9

6

9,722

by: bumpbot

17 Oct 2022, 03:09

ER

The profits of a new company were x percent higher in the second year

805+ (Hard) | Percent and Interest Problems

805+ (Hard) | Percent and Interest Problems hide tags

Bunuel

15 Aug 2019, 06:52

10

6

3,640

by: bumpbot

20 Oct 2022, 07:59

ER

A and B brought a radio each for the same price, $z. A and B sold thei

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

07 Nov 2019, 03:04

5

6

3,463

by: bumpbot

02 Nov 2022, 04:32

ER

What is the value of |x| - |y| ? (1) |x - y| = 0 (2) |x/y| = 1

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

Bunuel

22 Nov 2018, 02:45

9

6

3,743

by: bumpbot

05 Nov 2022, 07:07

ER

Is the two-digit prime number s equal to 19?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

01 Nov 2019, 08:00

9

6

4,563

by: bumpbot

08 Nov 2022, 06:21

ER

John buys only chocolates and cookies from the market. Was the total

705-805 (Hard) | Arithmetic +2 tags

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

chetan2u

24 Feb 2016, 20:05

19

6

2,896

by: bumpbot

13 Nov 2022, 03:44

ER

What is the value of (2a + b)/(a + b)? (1) 3a/(a + b) = 7 (2) a + b =3

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

11 Dec 2018, 01:46

5

6

3,772

by: bumpbot

15 Nov 2022, 06:24

ER

Is a + b + c = 7 ? (1) a + b = 3 (2) b + c = 4

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

01 Jul 2018, 21:03

4

6

2,468

by: bumpbot

16 Nov 2022, 01:02

ER

In a professionals’ club, are more than (1/3)rd of the members mechani

805+ (Hard) | Percent and Interest Problems, Word Problems

805+ (Hard) | Percent and Interest Problems, Word Problems hide tags

Bunuel

17 Oct 2018, 00:35

10

6

3,632

by: bumpbot

16 Nov 2022, 08:01

Triangles ABC and DEF are similar right triangles. If the hypotenuse

805+ (Hard) | Algebra, Geometry

805+ (Hard) | Algebra, Geometry hide tags

giobas

01 Mar 2017, 11:41

55

6

9,809

by: gmatophobia

18 Nov 2022, 23:08

ER

Hogwarts Express covers the distance between Kings Cross station and

555-605 (Medium) | Distance and Speed Problems, Word Problems

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

EgmatQuantExpert

27 Feb 2019, 03:08

15

6

7,497

by: bumpbot

24 Nov 2022, 11:57

ER

If x and y are positive integers, are they consecutive?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

07 Nov 2022, 02:30

1

6

1,631

by: ScottTargetTestPrep

24 Nov 2022, 22:41

ER

If a, b, and c are integers. Is a + b + c even?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

03 Dec 2018, 21:25

9

6

4,143

by: bumpbot

25 Nov 2022, 10:09

ER

What are the coordinates of point B in the figure above ?

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Bunuel

27 Aug 2015, 01:43

16

6

7,952

by: SignUp

26 Nov 2022, 03:21

ER

What is the value of positive integer b?

705-805 (Hard) | Multiples and Factors

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

Bunuel

20 Jan 2017, 07:42

15

6

2,573

by: bumpbot

29 Nov 2022, 00:47

ER

If x–1 is a positive integer, is x–1 divisible by 3?

655-705 (Hard) | Multiples and Factors

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

Ljchen121

15 May 2012, 20:06

28

6

11,462

by: bumpbot

29 Nov 2022, 03:50

ER

In the figure, the area of the first rectangle is 100. What is the are

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

21 Oct 2021, 01:30

4

6

2,391

by: bumpbot

29 Nov 2022, 12:32

ER

From 1985 to 1994, what was the percent increase in total Un

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

Phoenix72

13 Sep 2013, 04:39

18

6

14,555

by: Krishraj

30 Nov 2022, 11:46

ER

A, B, P, and Q are four positive numbers. Does AQ = BP?

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Bunuel

26 Feb 2015, 06:55

40

6

4,710

by: bumpbot

04 Dec 2022, 00:59

ER

A certain aquarium holds three types of fish: angelfish, swordtails an

555-605 (Medium) | Fractions and Ratios

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

Bunuel

24 Mar 2015, 04:23

7

6

10,036

by: bumpbot

05 Dec 2022, 15:41

ER

If a number is selected at random from a set of 6 distinct integers

555-605 (Medium) | Number Properties, Probability

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

Bunuel

26 Nov 2019, 01:33

10

6

3,678

by: bumpbot

08 Dec 2022, 14:46

ER

What is the volume of the above prism?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

GMATBusters

11 Nov 2020, 06:42

5

6

1,787

by: bumpbot

10 Dec 2022, 07:24

ER

What is the greatest common divisor of positive integers x and y? (1)

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

unraveled

03 Jan 2020, 01:36

7

6

3,473

by: bumpbot

12 Dec 2022, 05:12

ER

If x and y are integers, what is the value of xy ?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

26 Nov 2018, 01:10

12

6

5,363

by: Sarmadk5

18 Dec 2022, 07:42

ER

On the x-y coordinate plane, lines j and k intersect

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

BrentGMATPrepNow

30 May 2018, 07:05

9

6

2,104

by: bumpbot

23 Dec 2022, 04:12

Consider the expression

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

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

shrouded1

07 Sep 2010, 06:37

10

6

4,369

by: bumpbot

24 Dec 2022, 11:16

ER

What is the value of y? (1) |x + 9| = y (2) y^2 = 9

555-605 (Medium) | Absolute Values, Algebra

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

Bunuel

21 Apr 2021, 01:30

15

6

2,662

by: bumpbot

25 Dec 2022, 10:59

ER

If p^3 ≥ −125, and p is an integer, what is the value of p ?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

SW4

10 Oct 2016, 22:30

11

6

6,875

by: bumpbot

25 Dec 2022, 13:11

ER

The variables a and b represent the hundreds digits of the two numbers

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

27 Oct 2021, 07:30

1

6

2,611

by: bumpbot

26 Dec 2022, 12:51

ER

A beer company spent $100,000 last year on hops, yeast, and malt. How

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

02 Oct 2015, 01:48

5

6

5,091

by: bumpbot

28 Dec 2022, 01:56

ER

Did Suzy pay less than a total of $p dollars for the phone? (1) The pr

505-555 (Easy) | Percent and Interest Problems, Word Problems

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

Bunuel

10 Oct 2018, 04:51

4

6

2,460

by: bumpbot

31 Dec 2022, 02:12

ER

If n and k are greater than zero, is n/k an integer ?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

18 Dec 2014, 07:10

8

6

11,085

by: bumpbot

14 Jan 2023, 03:58

ER

John and Tom leave the school at the same time to each of their houses

605-655 (Medium) | Distance and Speed Problems

605-655 (Medium) | Distance and Speed Problems hide tags

MathRevolution

13 Feb 2017, 01:00

11

6

4,914

by: bumpbot

16 Jan 2023, 12:19

ER

If (p+q)>3 is q>1?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

rajthakkar

20 Feb 2015, 01:35

8

6

3,178

by: SatvikVedala

16 Jan 2023, 19:39

ER

Is rectangle R a square? (1) At least one side of rectangle R has an

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

29 Sep 2021, 01:00

13

6

3,285

by: bumpbot

17 Jan 2023, 23:51

ER

The radius of a circle is r yards. Is the area of the circle at least

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

EncounterGMAT

14 Nov 2018, 11:25

21

6

6,429

by: bumpbot

21 Jan 2023, 06:45

ER

What is the value of x? (1) 4 < x < 6 (2) |x| = 4x 15

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

19 Feb 2021, 01:15

10

6

4,491

by: bumpbot

21 Jan 2023, 18:09

ER

Is the range of a combined set (S,T) bigger than the sum of

655-705 (Hard) | Statistics and Sets Problems

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

satishreddy

29 Oct 2010, 15:31

24

6

9,123

by: bumpbot

22 Jan 2023, 22:39

ER

If a and b are both two digit integers, is a + b a multiple of 11?

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

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

Bunuel

28 Feb 2016, 09:22

8

6

7,580

by: bumpbot

23 Jan 2023, 06:58

ER

If a, b and c are integers greater than one, and 15^8=a·b^c, what is

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

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

Bunuel

06 Jan 2020, 06:59

11

6

3,449

by: bumpbot

25 Jan 2023, 13:45

What are the sides of a right angled triangle?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

gmatophobia

09 Nov 2022, 08:02

8

6

1,959

by: dendenden

26 Jan 2023, 06:26

ER

Is -3x > -3y ? (1) x < y (2) x > 0

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Simba87

14 Aug 2018, 02:55

13

6

7,718

by: bumpbot

27 Jan 2023, 05:52

ER

In the xy-plane, does the line y = 2x - 1 contain the point (p,q)?

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

Bunuel

27 Sep 2021, 01:30

15

6

4,463

by: TBT

27 Jan 2023, 07:01