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

176

15

78,811

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

856

24

188,577

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

488,013

by: bb

29 Aug 2025, 13:27

ER

Is the figure ABCD a rectangle? (1) x = 90 (2) AB = CD

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

29 Oct 2017, 01:54

2

4,663

by: Mujeeb

02 Nov 2017, 09:40

ER

Is angle BAC a right angle? (1) x = 2y (2) y = 1.5z

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

29 Oct 2017, 01:58

2

2,690

by: Luckisnoexcuse

29 Oct 2017, 21:45

ER

Is the area of the circle with center O larger than the area of the

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

22 Oct 2017, 06:52

2

4

2,389

by: Mick1005

29 Oct 2017, 10:08

ER

If x is a two-digit number (so x = ba with b and a digits), what is th

655-705 (Hard) | Fractions and Ratios

655-705 (Hard) | Fractions and Ratios hide tags

Bunuel

22 Oct 2017, 06:37

2

5

2,237

by: reachskishore

24 Oct 2017, 00:03

ER

Is the integer K an odd integer?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

22 Oct 2017, 06:46

2

3

2,124

by: Adityagmatclub

23 Oct 2017, 17:05

ER

If the product of 7 consecutive integers is not zero, is the product

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

05 Oct 2017, 04:47

2

6

2,453

by: pra1785

11 Oct 2017, 10:38

ER

If x is an integer, is (3x - y)^(1/2) = (2x - 2y)^(1/2) ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

02 Oct 2017, 04:42

2

3

1,681

by: Raksat

07 Oct 2017, 10:14

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If m is a positive integer, is 13 a factor of m?

555-605 (Medium) | Multiples and Factors

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

Bunuel

06 Oct 2017, 05:49

2

4

1,709

by: atulindia

06 Oct 2017, 10:26

ER

Does b = 2b - a ?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

02 Oct 2017, 23:49

2

5

2,156

by: Shobhit7

05 Oct 2017, 21:34

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Is k + k < k?

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RockySinha

03 Oct 2017, 11:47

2

1

2,484

by: Bunuel

03 Oct 2017, 11:55

ER

If m is a positive integer greater than 1 can m be expressed

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

BN1989

14 Mar 2012, 05:36

2

4

5,394

by: bumpbot

03 Oct 2017, 09:58

ER

If y ≠ 0 and z ≠ 0, what is the value of x/(yz) ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

02 Oct 2017, 23:54

2

1

1,500

by: niks18

03 Oct 2017, 03:18

ER

Is the positive integer N a prime number?

555-605 (Medium) | Multiples and Factors

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

pushpitkc

30 Sep 2017, 10:26

2

2,628

by: MathRevolution

01 Oct 2017, 14:09

ER

If a and b are non-negative integers and a/b is an integer, is b divis

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Bunuel

05 Dec 2016, 03:03

2

3

2,470

by: MathRevolution

01 Oct 2017, 13:36

ER

If ab = c what is the value of bc?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

rxs0005

25 Jan 2011, 07:12

2

3

3,218

by: bumpbot

30 Sep 2017, 21:28

ER

Is xy = x^2 ? (1) x + y < 0 (2) xy < 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

24 Sep 2017, 23:53

2

6

2,190

by: kunalsinghNS

25 Sep 2017, 02:57

ER

What is the value of positive number a?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

08 Dec 2016, 13:58

2

4

2,031

by: Bunuel

25 Sep 2017, 00:42

ER

Is (6a + x^2)^(1/2) = a + x?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

10 Sep 2017, 21:53

2

4

2,029

by: testcracker

23 Sep 2017, 22:59

ER

What is the value of (4a + 5)/a when rounded to the nearest integer?

555-605 (Medium) | Fractions and Ratios

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

Bunuel

19 Sep 2017, 01:29

2

2,254

by: souvonik2k

19 Sep 2017, 10:27

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If x ≠ –1 and y ≠ ±1, then what is the value of (xy)^2 − x^2/(x + 1)(y

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

28 May 2017, 01:47

2

3

2,545

by: niks18

19 Sep 2017, 08:53

ER

If y is negative, what is the value of x ?

605-655 (Medium) | Absolute Values, Algebra

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

Bunuel

12 Sep 2017, 05:08

2

4

2,742

by: MathRevolution

13 Sep 2017, 12:49

ER

Does b^(1/3) = (2b - a)^(1/3)?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

10 Sep 2017, 21:56

2

1,634

by: reachskishore

12 Sep 2017, 09:08

ER

If js – k = m, what is s? (1) ms = k (2) j/m = 4

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

07 Sep 2017, 23:59

2

3

2,141

by: Mo2men

09 Sep 2017, 05:07

ER

Is the product xy > 27?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

24 Jan 2016, 05:34

2

2,293

by: Nikkb

07 Sep 2017, 01:00

ER

If x is an integer, is y an integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

banksy

03 Sep 2017, 06:44

2

4

6,491

by: Bunuel

03 Sep 2017, 06:43

ER

In how many ways can N! be written as the product of 2 integers?

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gmatsam123

29 Aug 2017, 21:38

2

1

1,806

by: Bunuel

29 Aug 2017, 21:48

ER

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

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

28 Aug 2017, 04:03

2

9

2,087

by: Bunuel

28 Aug 2017, 21:41

ER

Is xy < 5 ? (1) x is prime and y is the reciprocal of a

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

surendar26

08 Dec 2010, 04:20

2

3,953

by: bumpbot

22 Aug 2017, 03:43

ER

125 passengers commute everyday. Is the median commute per day less th

605-655 (Medium) | Statistics and Sets Problems

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

abdullahkhan19

28 Oct 2010, 15:44

2

4

3,478

by: Bounce1987

11 Aug 2017, 06:42

ER

Is 20 the average (arithmetic mean) of u, v, w, and 20?

555-605 (Medium) | Statistics and Sets Problems

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

AndreG

15 Jul 2010, 13:45

2

6

4,581

by: bumpbot

11 Aug 2017, 03:45

ER

In the diagram below, a portion of the number line is shown, with numb

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

30 Jul 2017, 22:50

2

4

1,841

by: buan15

31 Jul 2017, 23:55

ER

If x and y are positive integers, is the number (x^2 + 3x + y^2) even?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

30 Jul 2017, 22:46

2

1,537

by: mohshu

31 Jul 2017, 09:51

ER

In ∆ABC to the right, what is the value of y? (1) AB = AC (2) x = 30

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

24 Jun 2017, 08:44

2

5

3,170

by: T700ISB

26 Jul 2017, 20:03

ER

In the diagram below, P = g + c − e and Q = a + f . What is the value

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

17 Jul 2017, 23:28

2

6

2,470

by: Shobhit7

25 Jul 2017, 01:34

ER

ABC is a triangle with BC = AC = 6. D is a point on AB. What is the

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

17 Jul 2017, 23:19

2

7

2,300

by: gmat4varun

19 Jul 2017, 01:29

ER

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

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

14 Jul 2017, 00:17

2

3

4,271

by: Luckisnoexcuse

14 Jul 2017, 02:49

ER

What is the volume of cubical box in cubic centimeters? I.One face of

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Sajjad1994

10 Feb 2017, 07:28

2

3

4,088

by: gmathopeful19

11 Jul 2017, 17:53

ER

Is rst > 1?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

14 Jun 2017, 06:49

2

7

2,602

by: JeffTargetTestPrep

06 Jul 2017, 18:30

ER

Three friends are trying to decide how to split up a tub of ice cream.

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VyshakhR1995

06 Apr 2017, 05:20

2

7

3,186

by: Bunuel

03 Jul 2017, 10:23

ER

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

555-605 (Medium) | Algebra, Inequalities

555-605 (Medium) | Algebra, Inequalities hide tags

Bunuel

14 Jun 2017, 03:40

2

3

1,601

by: Chets25

17 Jun 2017, 16:10

ER

Is it true that a > b ? (1) 3a > 5b (2) –a < –b

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

14 Mar 2017, 02:59

2

8

2,378

by: origen87

06 Jun 2017, 00:52

ER

What is the perimeter of ∆ABC above?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

11 Jul 2019, 05:37

2

3

2,996

by: utkarshthapak

31 May 2017, 04:56

ER

If x ≠ 0, what is the value of (x^u/x^v)^(1/2) ?

505-555 (Easy) | Exponents, Number Properties

505-555 (Easy) | Exponents, Number Properties hide tags

hardnstrong

11 Jun 2010, 09:32

2

6

4,388

by: utkarshthapak

31 May 2017, 04:31

ER

What is the value of x – y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

28 May 2017, 02:44

2

5

2,597

by: utkarshthapak

29 May 2017, 03:54

ER

If -25 < j < 25, is j > 0 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Sajjad1994

27 May 2017, 08:59

2

3

2,169

by: Heseraj

27 May 2017, 19:34

ER

Is n prime?

555-605 (Medium) | Algebra, Number Properties

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

Bunuel

21 May 2017, 11:32

2

5

2,482

by: Kritesh

22 May 2017, 10:33

ER

How much is 70 percent of a certain number?

505-555 (Easy) | Percent and Interest Problems

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

Kritesh

19 May 2017, 08:16

2

2,858

by: amanvermagmat

19 May 2017, 23:54

How many people received a raise of greater than 5%?

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

papagorgio

18 May 2017, 19:26

2

4

1,830

by: amanvermagmat

18 May 2017, 22:11

ER

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

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

chetan2u

05 May 2017, 00:03

2

4

2,414

by: mcmoorthy

12 May 2017, 03:54

ER

Is the average (arithmetic mean) of a, b, and c greater than 12?

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

Bunuel

03 May 2017, 04:43

2

3

2,089

by: er.arun88

06 May 2017, 10:44