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

78,845

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

856

24

188,598

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

488,044

by: bb

29 Aug 2025, 13:27

ER

x is a positive integer; what is the value of x? 1) The sum

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

rajatr

25 Apr 2013, 01:50

2

3

5,711

by: bumpbot

26 Jun 2015, 02:03

ER

If a and b are two positive numbers, what is the product

Sub 505 (Easy) | Multiples and Factors, Number Properties

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

EgmatQuantExpert

13 Aug 2018, 01:56

9

3

5,708

by: GMATBusters

11 May 2018, 11:45

ER

GMAT CLUB OLYMPICS: What is the number of factors of a positive intege

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

Bunuel

20 Aug 2021, 08:00

29

5

5,706

by: bumpbot

28 Dec 2023, 02:37

ER

If n is a positive integer greater than 2, what is the value of n ?

805+ (Hard) | Exponents, Number Properties

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

Bunuel

17 Jan 2020, 00:02

20

15

5,705

by: bumpbot

09 Mar 2022, 19:30

ER

If p and q are positive integers, is every factor of p a fac

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

neha24

21 Apr 2013, 06:07

9

3

5,705

by: Bunuel

21 Oct 2021, 01:52

ER

Is the number of factors of A equal to 36?

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

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

GMATBusters

23 May 2020, 18:56

32

15

5,704

by: bumpbot

16 Jul 2024, 04:55

ER

Is the integer n divisible by 20?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

GMATBusters

01 Nov 2018, 08:27

2

3

5,704

by: bumpbot

28 Jan 2023, 07:22

ER

If O is the center of the circle, what is the area of the shaded regio

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

GMATSkilled

28 May 2018, 18:23

4

5

5,704

by: Ghostrider3147

11 Apr 2022, 05:58

ER

In triangle ABC above, what is the measure of angle DBC ?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

24 Dec 2017, 01:54

4

6

5,703

by: bumpbot

23 Feb 2023, 10:57

ER

If x and y are non-zero numbers, what is the value of x/y?

655-705 (Hard) | Algebra, Inequalities

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

Bunuel

05 Jun 2020, 08:52

4

5

5,702

by: bumpbot

12 Jun 2021, 07:35

ER

From 1994 to 1995, the revenue of a company increased x percent. From

705-805 (Hard) | Percent and Interest Problems

705-805 (Hard) | Percent and Interest Problems hide tags

Bunuel

03 Jan 2021, 11:19

14

8

5,698

by: bumpbot

23 Apr 2026, 23:03

ER

If x and y are positive integers, what is the value of (x + y)?

655-705 (Hard) | Algebra, Inequalities

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

Bunuel

09 Jun 2015, 02:37

8

9

5,698

by: bumpbot

19 Jul 2025, 17:53

ER

If k is a positive integer, what is the remainder when k^2

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

Smita04

06 Jun 2013, 05:45

5

4

5,698

by: bumpbot

29 Jun 2022, 15:22

ER

If p + q = 2r + 3, what is the value of p?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

14 Apr 2015, 05:03

3

5

5,698

by: bumpbot

28 Apr 2022, 09:32

ER

The costs of equities of type A and type B (in dollars) are two differ

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

06 Sep 2019, 10:54

5

4

5,697

by: bumpbot

29 Dec 2025, 22:30

ER

If k is a positive integer, what is the value of k?

655-705 (Hard) | Multiples and Factors, Number Properties

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

Bunuel

26 Feb 2018, 03:15

28

9

5,696

by: bumpbot

17 Jun 2025, 11:46

ER

Quadrilateral PQRS has PQ||RS and QR||P5. What is the area of PQRS?

605-655 (Medium) | Coordinate Plane, Geometry

605-655 (Medium) | Coordinate Plane, Geometry hide tags

Bunuel

05 Oct 2020, 03:45

14

7

5,696

by: bumpbot

17 Feb 2023, 07:07

ER

If Alex and Keanu received the same total number of attempts during a

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

24 Apr 2017, 04:29

34

7

5,695

by: bumpbot

23 Aug 2025, 14:33

ER

Is the triangle ABC with sides a, b,

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

GMATBusters

14 Jul 2020, 09:30

17

19

5,695

by: Fdambro294

01 Dec 2021, 02:32

ER

50 students of a certain class took a test. How many of them got a sco

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

19 May 2021, 07:00

5

5,692

by: bumpbot

31 Mar 2022, 03:46

ER

If these lines intersect at point C, is either m or p greate

705-805 (Hard) | Absolute Values, Coordinate Plane

705-805 (Hard) | Absolute Values, Coordinate Plane hide tags

WoundedTiger

04 Jan 2013, 04:37

16

11

5,691

by: bumpbot

05 Dec 2021, 05:25

ER

Alice and Bob went shopping in a new mall. Alice spends half of her sh

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

04 Dec 2019, 02:31

6

4

5,688

by: bumpbot

02 Nov 2025, 10:12

ER

If A and B are consecutive positive integers less than 100, what is th

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

25 May 2018, 02:09

2

3

5,688

by: bumpbot

15 Jan 2023, 07:03

ER

Is x > 5 ? (1) x^2 > 25 (2) 2x + 7 > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

13 Nov 2017, 02:23

4

9

5,688

by: sanjayparihar16

04 Dec 2020, 12:42

ER

If x^6 – y^6 = 0, what is the value of x^3 – y^3?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

22 Oct 2017, 06:53

4

2

5,688

by: NandishSS

22 Oct 2017, 07:39

ER

Is (x + y)^3 an even integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

28 Jul 2015, 00:56

11

8

5,686

by: tirthshah2013

18 Oct 2022, 01:22

ER

If E is the midpoint of AD, what is the length of EB?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

21 May 2017, 10:57

3

4

5,686

by: Nunuboy1994

06 Sep 2017, 22:23

ER

If jk ≠ 0 and (j, k) lies in the xy-coordinate system, in which quadra

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

Bunuel

30 Mar 2015, 05:41

3

5

5,686

by: KrishnakumarKA1

23 Feb 2017, 04:46

ER

The 2-digit positive integer x has the property that it is divisible

655-705 (Hard) | Multiples and Factors

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

Bunuel

15 Jun 2018, 23:33

19

11

5,685

by: bumpbot

25 Jul 2022, 06:20

ER

Is x an integer?

605-655 (Medium) | Algebra, Exponents

605-655 (Medium) | Algebra, Exponents hide tags

mehulsayani

08 Sep 2012, 06:01

29

4

5,685

by: bumpbot

23 Jul 2021, 07:47

ER

If x is a positive integer and f(x) = x – x^2 – x^3 + x^4 + x^5 – x^6

805+ (Hard) | Multiples and Factors, Number Properties

805+ (Hard) | Multiples and Factors, Number Properties hide tags

Bunuel

18 May 2020, 01:58

38

6

5,682

by: bumpbot

15 Jan 2024, 13:09

ER

Set P has n integers. What is the standard deviation of Set P?

555-605 (Medium) | Number Properties, Statistics and Sets Problems

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

kiran120680

16 May 2019, 00:53

10

5

5,681

by: bumpbot

28 Mar 2024, 08:02

ER

Is 1/s=(s^2)*(t/u)?

555-605 (Medium) | Algebra, Arithmetic

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

BillyZ

09 Mar 2017, 19:10

15

10

5,680

by: bumpbot

17 Sep 2024, 04:36

ER

If n is a positive integer, what is the smallest positive integer that

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

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

Jazzmin

31 Oct 2018, 04:27

12

9

5,679

by: bumpbot

31 May 2024, 16:32

ER

If x 0, what is the value of x? (1) |x + 2| = |x| (2) |x^x| = 1

555-605 (Medium) | Absolute Values, Exponents

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

Bunuel

29 Nov 2018, 01:42

26

9

5,677

by: bumpbot

10 Jun 2023, 19:54

ER

In the figure above, the circle is inscribed in the square. What is th

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

11 Jul 2019, 01:39

3

2

5,677

by: Bunuel

11 Jul 2019, 02:12

ER

Is BG > EC?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

05 Feb 2015, 09:09

14

5

5,675

by: bumpbot

03 Aug 2022, 23:59

ER

If n and p are positive integers, what is the ratio of n to p?

505-555 (Easy) | Fractions and Ratios

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

Bunuel

03 May 2017, 04:44

7

3

5,675

by: bumpbot

08 Oct 2021, 17:25

ER

Is x > x^2 ? (1) x is greater than x^3 (2) x is greater t

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

rxs0005

04 Feb 2012, 09:30

20

14

5,674

by: bumpbot

07 Feb 2023, 02:21

ER

Is J divisible by 24?

555-605 (Medium) | Multiples and Factors

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

conty911

29 Aug 2012, 02:32

15

3

5,674

by: bumpbot

15 Oct 2022, 07:18

ER

In a certain infinite sequence n, n_{1} = 7, n_{2} = 70, n_{3} = 700 .

605-655 (Medium) | Sequences

605-655 (Medium) | Sequences hide tags

Hoozan

24 Mar 2022, 11:38

17

6

5,673

by: bumpbot

20 Sep 2025, 06:53

ER

Does s = 5 - t ?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

elegan

25 Oct 2012, 21:09

7

11

5,673

by: bumpbot

09 Jan 2022, 07:43

ER

If a and b are nonzero numbers, Is a-b>0?

605-655 (Medium) | Absolute Values, Inequalities

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

DHAR

30 Jul 2017, 11:24

17

3

5,672

by: CEdward

02 Feb 2021, 16:02

ER

Mark has fewer than 9 coins. Each coin is either a quarter (worth $0.2

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

08 Oct 2021, 01:30

3

4

5,668

by: Bunuel

03 Nov 2021, 07:11

ER

If c ≠ 1, is ab = a + b? (1) a^2 + b^2 = 0 (2) a = a*c = b

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

17 Feb 2020, 05:13

10

3

5,667

by: MANASH94

22 Nov 2025, 12:42

ER

If |ab| ≠ ab, is a > b? (1) |a| > b^3 (2) a^2 < b

605-655 (Medium) | Absolute Values, Inequalities

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

DHAR

03 Aug 2017, 09:26

16

9

5,665

by: bumpbot

10 Jun 2024, 05:23

ER

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

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Carcass

01 Nov 2018, 05:11

4

3

5,659

by: bumpbot

11 Aug 2023, 04:50

ER

For a remodeling project, a contractor charges a certain hourly rate

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

guddo

24 Jan 2024, 01:37

12

4

5,654

by: GMATinsight

24 Dec 2024, 22:50

ER

If r and s are positive integers, is r/s less than 1/3 ?

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

littlestone

22 Nov 2020, 21:16

5

6

5,654

by: Bunuel

26 May 2023, 05:58

ER

Is x – y divisible by 5?

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Bunuel

11 Jul 2019, 05:25

1

6

5,654

by: MathRevolution

31 Dec 2019, 20:25