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

79,927

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

858

24

189,031

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

488,755

by: bb

29 Aug 2025, 13:27

ER

If x, y and z are all no-zero numbers, what is the value of z = (x-y)/

705-805 (Hard) | Absolute Values, Algebra

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

brockr1

27 Apr 2016, 01:26

31

6

4,804

by: bumpbot

02 Mar 2025, 04:17

ER

If w + z = 28, what is the value of wz?

Sub 505 (Easy) | Algebra, Arithmetic

Sub 505 (Easy) | Algebra, Arithmetic hide tags

GMAThirst

22 Mar 2013, 13:19

127

17

29,071

by: bumpbot

01 Mar 2025, 09:35

ER

Is a + b = a^2 + b^2? (1) a and b are natural numbers. (2) a > b

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

SukhAgam

26 Feb 2025, 21:21

2

3

1,232

by: Kinshook

28 Feb 2025, 01:22

ER

What is the value of n in the equation - 25 + 19 + n = S ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

02 Feb 2023, 09:53

29

16

26,266

by: bumpbot

27 Feb 2025, 05:56

ER

If x^2 = y^2, is true that x > 0 ? (1) x = 2y+1 (2) y <= -1

705-805 (Hard) | Algebra, Inequalities

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

1, 2, 3

burnttwinky

20 May 2012, 19:02

270

43

48,529

by: bumpbot

26 Feb 2025, 03:21

ER

If ab > 0, does (a - 2)(b - 2) = 4 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

WoundedTiger

15 Aug 2013, 02:22

11

6

5,021

by: bumpbot

25 Feb 2025, 14:01

ER

If x and y are nonzero integers, is x^y < y^x ?

605-655 (Medium) | Algebra +2 tags

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

Bunuel

27 Oct 2005, 16:28

231

11

34,400

by: bumpbot

25 Feb 2025, 13:36

ER

Is k the square of an integer?

555-605 (Medium) | Algebra, Number Properties

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

jsphcal

05 Sep 2017, 01:08

63

8

13,142

by: bumpbot

25 Feb 2025, 09:44

ER

What is the value of t?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

1, 2

Bunuel

16 Jun 2016, 03:26

33

20

25,959

by: bumpbot

25 Feb 2025, 03:56

ER

If a^{2/3} - b^{2/3} = 12, then \sqrt[3]{a} + \sqrt[3]{b} = ?

805+ (Hard) | Algebra, Roots

805+ (Hard) | Algebra, Roots hide tags

Bunuel

06 Nov 2014, 09:02

45

9

11,483

by: bumpbot

24 Feb 2025, 07:45

ER

If p and q are integers, Is pq > 0?

655-705 (Hard) | Algebra, Exponents

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

kiran120680

01 May 2019, 09:09

25

8

6,276

by: saynchalk

23 Feb 2025, 11:31

ER

Assume that all positive integers are colored either red or blue. If a

655-705 (Hard) | Algebra +2 tags

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

BillyZ

22 Feb 2017, 22:58

60

4

7,170

by: bumpbot

23 Feb 2025, 04:59

ER

What is the value of x?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

BrentGMATPrepNow

29 Aug 2022, 07:57

4

3

1,838

by: bumpbot

16 Feb 2025, 16:02

ER

If a^(1/2)=b, what is the value of integer b?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

chetan2u

11 Oct 2019, 19:26

24

6

4,820

by: bumpbot

12 Feb 2025, 09:34

ER

What is the value of x?

555-605 (Medium) | Algebra +2 tags

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

BrentGMATPrepNow

19 Mar 2022, 08:05

10

4

2,390

by: bumpbot

12 Feb 2025, 09:30

ER

What is the value of x, if x is even?

605-655 (Medium) | Algebra, Number Properties

605-655 (Medium) | Algebra, Number Properties hide tags

GMATWhizTeam

08 Oct 2021, 10:09

6

3

3,666

by: bumpbot

10 Feb 2025, 15:32

ER

8^a*(1/4)^b = ? (1) b = 1.5a (2) a = 2

555-605 (Medium) | Algebra, Exponents

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

Bunuel

04 Nov 2014, 09:31

44

8

16,817

by: Sof22

10 Feb 2025, 09:19

ER

If m, n, , and q are positive integers, and m = nq, what is

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

banksy

10 Feb 2011, 16:04

5

3

6,135

by: Bunuel

08 Feb 2025, 01:47

ER

If a and b are both positive integers, is b^(a+1) - ba^b odd?

805+ (Hard) | Algebra, Number Properties

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

Bunuel

05 May 2011, 00:56

183

15

42,420

by: bumpbot

07 Feb 2025, 04:15

ER

What is the value of 36x^2 - 108xy + 81y^2?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

10 Aug 2018, 03:50

20

6

6,040

by: Bunuel

05 Feb 2025, 00:14

ER

If b and c are constants for which the quadratic equation x^2+bx+c=0

555-605 (Medium) | Algebra, Roots

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

broilerc

05 May 2016, 08:41

224

12

47,017

by: bumpbot

03 Feb 2025, 05:46

ER

Exactly how many bonds does Bob have?

505-555 (Easy) | Algebra, Arithmetic

505-555 (Easy) | Algebra, Arithmetic hide tags

GMATBusters

27 Nov 2018, 08:02

32

3

10,223

by: bumpbot

01 Feb 2025, 09:26

ER

If x is a positive number less than 10, is z greater than the average

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

20 Feb 2014, 01:15

386

19

49,161

by: bumpbot

27 Jan 2025, 22:22

ER

If integers x, y and z are greater than 1 what is the value

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

arjtryarjtry

04 Aug 2008, 11:05

232

18

60,572

by: bumpbot

23 Jan 2025, 19:07

ER

If x^2 = y + 5 , y = z - 2 and z = 2x , is x^3 + y^2 + z

805+ (Hard) | Algebra, Multiples and Factors

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

study

13 Jun 2010, 09:11

146

15

36,415

by: bumpbot

23 Jan 2025, 12:32

ER

If x and y are integers, what is the value of (x-y)^2?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

17 Nov 2021, 09:00

6

3

2,414

by: Bunuel

23 Jan 2025, 02:29

ER

Is x^2 + y^2 > 3z

705-805 (Hard) | Algebra, Inequalities

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

pavan2185

01 Sep 2013, 11:16

87

13

20,331

by: bumpbot

20 Jan 2025, 01:53

ER

On the number line shown above, the distance separating any pair of ad

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

20 Oct 2021, 02:30

7

2

3,116

by: bumpbot

14 Jan 2025, 15:03

ER

Is x > 3? (1) (x - 1)^2 > 9 (2) x = |x^2 - 20|

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

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

Bunuel

29 Nov 2022, 09:15

10

2

2,250

by: bumpbot

13 Jan 2025, 12:32

ER

If a 0, is, is 1/a > a/(b^4 + 3) ?

705-805 (Hard) | Algebra, Inequalities

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

rjkaufman21

30 Sep 2022, 04:28

108

8

24,485

by: Bunuel

08 Jan 2025, 06:33

ER

Minimum value of the function f(x) = |x – a| + |x – b| + |x – c|

805+ (Hard) | Absolute Values +3 tags

805+ (Hard) | Absolute Values, Algebra, Functions and Custom Characters, Min-Max Problems hide tags

sujoykrdatta

14 May 2021, 12:46

30

5

4,015

by: bumpbot

07 Jan 2025, 12:16

ER

What is the value of X?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

stevennu

27 Jun 2017, 03:25

23

14

15,448

by: bumpbot

07 Jan 2025, 08:36

ER

If k is an integer, is 2^k + 3^k = m ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

danzig

21 Aug 2013, 12:26

6

4,312

by: bumpbot

07 Jan 2025, 08:19

ER

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

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

bulletpoint

20 Oct 2013, 06:32

258

11

65,630

by: bumpbot

02 Jan 2025, 10:47

ER

Is |x| = |y| ? (1) x - y = 6 (2) x + y = 0

505-555 (Easy) | Absolute Values, Algebra

505-555 (Easy) | Absolute Values, Algebra hide tags

catennacio

11 Dec 2018, 23:28

65

16

22,484

by: bumpbot

31 Dec 2024, 23:45

ER

If a, b, and c are integers, what is the value of a?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

snowbirdskier

13 Oct 2014, 03:18

179

14

45,631

by: bumpbot

28 Dec 2024, 03:11

ER

If f(x) = x^3 + kx^2 − 4x, what is the value of k?

805+ (Hard) | Algebra, Functions and Custom Characters

805+ (Hard) | Algebra, Functions and Custom Characters hide tags

Bunuel

06 Aug 2017, 01:04

2

3

2,621

by: bumpbot

26 Dec 2024, 03:18

ER

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

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

07 Jan 2014, 05:22

19

8

22,302

by: bumpbot

25 Dec 2024, 12:55

ER

Given that A = 3y + 8x, B = 3y - 8x, C = 4y + 6x, and D = 4y - 6x

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

26 Jun 2015, 02:17

4

4,624

by: bumpbot

25 Dec 2024, 07:28

ER

If x and y are integers and xy ≠ 0, what is the value of

705-805 (Hard) | Algebra, Exponents

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

Bunuel

30 Mar 2015, 05:09

38

8

11,883

by: bumpbot

25 Dec 2024, 05:24

ER

What is the value of x ? (1) x^2 - 1 = x + 1 (2) x + 3 is a prime

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

28 Jun 2023, 02:57

6

3

1,565

by: Bunuel

24 Dec 2024, 05:59

ER

What is the value of b^(1/2)/a ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

02 Mar 2022, 07:30

14

4

3,510

by: bumpbot

19 Dec 2024, 12:43

ER

What is the value of x^2 + 6x + 9 ? (1) x^2 + 6x = 40 (2) x + 3 = 7

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

edison2020

09 Oct 2020, 06:03

7

11

3,358

by: charlie1195

18 Dec 2024, 08:22

ER

What is the value of 2x³ + 6x² - 1?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

BrentGMATPrepNow

02 Oct 2020, 07:05

10

3

2,551

by: bumpbot

18 Dec 2024, 08:11

ER

What is the value of x?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

siddhantvarma

29 Oct 2024, 11:02

2

3

1,395

by: Bunuel

18 Dec 2024, 00:57

ER

GMAT Club Around The World!!! Does a^2 = ab? (1) Cubic root of b^3 = a

555-605 (Medium) | Absolute Values, Algebra

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

Bunuel

31 Dec 2020, 09:00

3

15

3,232

by: bumpbot

15 Dec 2024, 03:01

ER

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

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

02 Oct 2017, 00:03

31

10

3,502

by: Mikirokdy

12 Dec 2024, 05:11

ER

If f(a + b) = f(a) + f(b), what is the value of f(5)?

805+ (Hard) | Algebra, Functions and Custom Characters

805+ (Hard) | Algebra, Functions and Custom Characters hide tags

Bunuel

10 Jul 2017, 04:33

24

10

5,118

by: bumpbot

07 Dec 2024, 14:46

ER

Is the product of a and b equal to 1?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

02 Oct 2019, 05:42

42

12

12,760

by: bumpbot

07 Dec 2024, 05:24

ER

a, b, and c are three distinct positive integers. What is the product

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

06 Oct 2021, 03:30

9

3

4,455

by: Pablopikachu

06 Dec 2024, 06:09