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

79,313

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

188,882

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

488,511

by: bb

29 Aug 2025, 13:27

ER

A certain lighthouse is a tall thin cylinder of brick, with a light ch

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

25 Feb 2015, 02:55

3

9

6,825

by: bumpbot

05 Jun 2023, 00:52

ER

Is x > y ? (1) x^5 > y^5 (2) x^4 < y^4

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

31 May 2022, 01:30

4

2

1,480

by: bumpbot

04 Jun 2023, 23:29

ER

Is 0.4 < x < 0.8 ? (1) 407x < 376 (2) 1400x > 1240

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

RudeyboyZ

04 Jun 2021, 13:18

18

12

10,696

by: bumpbot

04 Jun 2023, 22:01

ER

If x and y are prime numbers, what is the value of |x-y|?

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

banksy

07 Sep 2013, 06:02

49

11

11,473

by: bumpbot

04 Jun 2023, 20:40

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Is pq < 0? (1) 14|p| + |q| = 0 (2) |p| + 14|q| = 0

555-605 (Medium) | Absolute Values, Inequalities

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

Bunuel

31 Jul 2019, 01:12

15

4

3,846

by: bumpbot

04 Jun 2023, 09:48

ER

If x, y, and z are integers, is xyz a multiple of 6?

605-655 (Medium) | Multiples and Factors

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

Bunuel

29 May 2023, 09:45

2

5

1,578

by: Bunuel

04 Jun 2023, 09:00

ER

If x, y and z are positive integers, is it true that x^2 is divisible

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

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

Bunuel

29 May 2023, 01:30

8

4

1,428

by: mysterymanrog

04 Jun 2023, 07:59

ER

A certain bread recipe calls for whole wheat flour, white

555-605 (Medium) | Fractions and Ratios

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

damham17

16 Mar 2012, 01:43

37

5

14,201

by: bumpbot

04 Jun 2023, 07:53

ER

Does the line x + y = 6 intersect or touch the circle C with radius 5

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Bunuel

01 Feb 2021, 01:15

11

9

6,165

by: bumpbot

04 Jun 2023, 01:46

ER

If a, b and c are positive integers, is a + b + c even?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

02 Jun 2023, 01:30

4

1,522

by: houston1980

03 Jun 2023, 19:45

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In the triangle above, does a^2 + b^2 = c^2 ?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

03 Jan 2014, 06:20

19

7

17,653

by: bumpbot

03 Jun 2023, 10:34

ER

If m and n are positive integers, is m/n = 3/7 ?

605-655 (Medium) | Fractions and Ratios, Inequalities

605-655 (Medium) | Fractions and Ratios, Inequalities hide tags

Bunuel

20 Aug 2018, 00:19

25

8

5,381

by: bumpbot

03 Jun 2023, 08:00

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

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

01 Jun 2023, 03:45

1

825

by: $!vakumar.m

03 Jun 2023, 07:59

Is a < b ? (1) a^2 < ab (2) b < 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

elizabete634

08 May 2023, 06:56

3

1,200

by: RenB

03 Jun 2023, 06:20

ER

If n is a positive integer, is 3^n + 3^8 divisible by 4?

655-705 (Hard) | Exponents, Multiples and Factors

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

Bunuel

01 Jun 2023, 09:45

2

1,650

by: andrenoble

03 Jun 2023, 06:11

ER

If z > 0, is [m][fraction](x+z)/(y+z)[/fraction] > [fraction]x/y[/frac

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

GMATBusters

20 Oct 2018, 10:40

4

5

2,018

by: andrenoble

03 Jun 2023, 05:52

ER

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

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

01 Jun 2023, 06:45

1

2

836

by: andrenoble

03 Jun 2023, 05:24

ER

If the total price of n equally priced stock shares is p, what is p?

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

rxs0005

25 Nov 2010, 09:30

2

4

5,377

by: bumpbot

03 Jun 2023, 00:58

ER

Is x a positive integer? (1) The reciprocal of x is greater than x

705-805 (Hard) | Absolute Values +2 tags

705-805 (Hard) | Absolute Values, Inequalities, Number Properties hide tags

Bunuel

25 Dec 2016, 02:41

20

10

4,784

by: bumpbot

02 Jun 2023, 21:23

ER

In the figure above, the two straight lines intersect. What is the val

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

23 May 2020, 07:04

2

6

5,141

by: bumpbot

02 Jun 2023, 13:20

ER

Circle P above circumscribes rectangle ABCD. What is the value of w°+x

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

19 May 2021, 03:00

9

5

2,351

by: bumpbot

02 Jun 2023, 10:28

ER

If a < 0, is b < 0 ? (1) b/a > 0 (2) a - b > 0

505-555 (Easy) | Fractions and Ratios, Inequalities

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

kritikalal

14 Jan 2018, 08:30

6

7

6,133

by: bumpbot

02 Jun 2023, 09:04

ER

If (a^(1/2)*b^(1/3))^6 = 2000, what is the value of ab?

705-805 (Hard) | Exponents

705-805 (Hard) | Exponents hide tags

Bunuel

03 Aug 2020, 02:27

28

12

8,123

by: bumpbot

02 Jun 2023, 05:34

ER

If x and y are integers, is x even? (1) y = 7x (2) xy is even.

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

02 Jun 2023, 01:30

3

2

1,132

by: zhanbo

02 Jun 2023, 02:31

ER

If in triangle ABC angle ABC is the largest and point D lies

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

reg123456

01 Nov 2010, 11:25

7

5

8,491

by: bumpbot

01 Jun 2023, 23:07

ER

Is a - d < b - c?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

BrentGMATPrepNow

15 Nov 2023, 08:52

8

4

3,011

by: bumpbot

01 Jun 2023, 10:14

ER

If r > 0, is r^(1/2) an integer? (1) r^2 is an integer (2) r = m^2

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

02 May 2022, 01:30

4

3

2,277

by: bumpbot

01 Jun 2023, 09:25

ER

If y = x^2+bx+c which has two real roots, Find the value of b+c? 1) S

555-605 (Medium) | Algebra +2 tags

555-605 (Medium) | Algebra, Coordinate Plane, Roots hide tags

GMATinsight

01 Apr 2020, 21:47

14

4

4,027

by: tsraeroshad

01 Jun 2023, 08:32

ER

A bigger circle (with center A) and a smaller circle (with center B) a

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

EgmatQuantExpert

21 May 2020, 01:27

140

13

15,947

by: bumpbot

01 Jun 2023, 08:28

ER

Is a = 0? (1) ab = -3a (2) b > 0

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

31 May 2023, 06:45

1

910

by: hloonker

01 Jun 2023, 04:34

ER

Is the perimeter of a certain rectangular garden greater than 50 meter

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

gmatt1476

21 Sep 2019, 18:37

26

6

9,639

by: bumpbot

01 Jun 2023, 02:49

ER

Is 2ab > ab ?

655-705 (Hard) | Exponents, Inequalities

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

summer101

14 Apr 2018, 00:41

18

4

6,713

by: bumpbot

01 Jun 2023, 02:21

ER

If x and y are non-negative integers, is 11 a factor of x + y ?

555-605 (Medium) | Multiples and Factors

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

Bunuel

01 Jun 2023, 01:30

2

1

1,484

by: zhanbo

01 Jun 2023, 02:07

ER

If x = 3a and y x = 4a, then what is the value of y ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

01 Jun 2023, 01:30

2

1

1,340

by: zhanbo

01 Jun 2023, 01:47

ER

In a certain first grade classroom, the average height is x inches for

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

18 May 2017, 00:16

8

4

4,964

by: bumpbot

01 Jun 2023, 01:20

If x is positive integer greater than 1, what is the remainder when

655-705 (Hard) | Multiples and Factors

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

ChandlerBong

31 May 2023, 08:33

2

1

1,064

by: gmatophobia

31 May 2023, 13:53

ER

Is product 2*x*5*y an even integer? 1.2 + x + 5 + y is an

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

1, 2

prinits

29 May 2009, 04:53

104

20

14,019

by: bumpbot

31 May 2023, 13:50

ER

How much time does Mr. Richards take to reach his office from home? (1

705-805 (Hard) | Distance and Speed Problems

705-805 (Hard) | Distance and Speed Problems hide tags

Bunuel

06 Sep 2019, 10:52

15

5

4,169

by: bumpbot

31 May 2023, 13:13

ER

When a positive integer p is divided by 3, what is the remainder? 1) W

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

MathRevolution

20 Sep 2017, 00:48

5

4

6,835

by: bumpbot

31 May 2023, 13:10

ER

The equation of line L in the XY-plane is y = mx + c, where m and c ar

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

07 Nov 2018, 02:00

4

2

3,762

by: bumpbot

31 May 2023, 13:08

ER

Suha spent all evening cracking walnuts and hazelnuts. Some of the nut

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

18 May 2023, 01:32

2

3

1,613

by: vivek920368

31 May 2023, 12:26

ER

In the figure above, segments PQ and QR are each parallel to one of th

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

Bunuel

20 Jul 2020, 01:09

12

6

4,867

by: bumpbot

31 May 2023, 08:39

ER

In the figure above, segments PR and QR are each parallel to one of

Sub 505 (Easy) | Coordinate Plane, Geometry

Sub 505 (Easy) | Coordinate Plane, Geometry hide tags

Bunuel

15 Dec 2014, 09:34

20

7

13,985

by: bumpbot

31 May 2023, 08:39

ER

If X, Y and Z are positive integers, is X greater than Z – Y?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

01 Oct 2019, 07:27

7

9

8,174

by: bumpbot

31 May 2023, 05:55

ER

Is y > z? (1) -y > 2z (2) z > -2y

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

09 Apr 2018, 04:48

8

6

2,963

by: bumpbot

31 May 2023, 04:42

ER

What is the value of x^(n^2 n + 2)/x^((n 2)(n + 1)) ?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

31 May 2023, 03:45

1

917

by: IshanSaini

31 May 2023, 04:29

ER

If x is a member of the set {0.3, 0.22, 0.265}, what is the value of x

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

31 May 2023, 01:30

1

817

by: zhanbo

31 May 2023, 01:52

ER

If x, y, z, w are all positive integers less than 10 that satisfy the

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Bunuel

18 Jan 2021, 09:38

14

5

3,743

by: bumpbot

31 May 2023, 01:47

ER

If x is a positive integer, does the remainder, when (3^x + 2) is divi

655-705 (Hard) | Exponents, Remainders

655-705 (Hard) | Exponents, Remainders hide tags

Bunuel

21 Apr 2021, 03:30

6

2

1,896

by: bumpbot

30 May 2023, 23:47

ER

GMAT CLUB OLYMPICS: If a, b, c , d, e, and f are positive integers and

655-705 (Hard) | Multiples and Factors

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

Bunuel

23 Aug 2021, 08:00

12

4

4,654

by: bumpbot

30 May 2023, 19:31