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

79,689

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

188,974

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

488,670

by: bb

29 Aug 2025, 13:27

ER

What is the value of x ? (1) 4^(x + 1) + 4^x = 320 (2) x^2 = 9

Sub 505 (Easy) | Algebra, Exponents

Sub 505 (Easy) | Algebra, Exponents hide tags

gmatt1476

21 Sep 2019, 16:49

36

4

12,036

by: bumpbot

25 Sep 2025, 20:32

ER

Does a^b lie between 0 and 1, exclusive? (1) |a| < 1 (2) b is a posit

605-655 (Medium) | Absolute Values +3 tags

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

Bunuel

05 Jan 2022, 10:00

3

1,866

by: bumpbot

18 Sep 2025, 07:51

ER

If xy 0, is x^y > 0 ?

655-705 (Hard) | Exponents +2 tags

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

Bunuel

20 Jul 2014, 11:23

63

11

11,949

by: bumpbot

16 Sep 2025, 06:24

ER

If 2^(x + y) = 4^8, what is the value of y?

505-555 (Easy) | Algebra, Exponents

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

1, 2

Bunuel

26 Oct 2015, 09:51

155

24

48,568

by: bumpbot

11 Sep 2025, 11:49

ER

If x > 0, what is the value of x ?

505-555 (Easy) | Algebra, Exponents

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

Carcass

26 Jul 2017, 09:05

101

8

24,389

by: bumpbot

11 Sep 2025, 11:34

ER

Is the positive integer N a perfect square? (1) The number

655-705 (Hard) | Exponents +2 tags

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

1, 2

mbaMission

30 Jul 2012, 04:36

498

28

69,090

by: bumpbot

11 Sep 2025, 08:56

ER

If x^(1/3) is a positive integer, does x^(1/3) have more than two dist

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

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

alphabeta1234

08 Apr 2012, 19:36

22

6

6,138

by: bumpbot

11 Sep 2025, 03:11

ER

Is 7^7/7^x an integer?

655-705 (Hard) | Algebra +2 tags

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

aramjung

19 Mar 2010, 19:35

38

3

15,061

by: bumpbot

11 Sep 2025, 00:16

ER

Is zp negative? (1) pz^4 < 0 (2) p + z^4 = 14

555-605 (Medium) | Exponents +2 tags

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

Bunuel

25 Oct 2015, 09:13

200

12

52,176

by: bumpbot

07 Sep 2025, 12:37

ER

If x^2 = 2^x, what is the value of x ?

655-705 (Hard) | Exponents

655-705 (Hard) | Exponents hide tags

1, 2

Carcass

27 Jul 2017, 08:12

263

28

62,994

by: bumpbot

02 Sep 2025, 07:03

ER

If a, b, and c are positive integers, a - b = ? (1) 3^a*7^b = 21^c (2

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

Bunuel

27 Sep 2021, 01:30

7

4

3,728

by: bumpbot

29 Aug 2025, 21:34

ER

If x, y, and z are integers greater than 1, and (3^27)(35^10)(z) =

805+ (Hard) | Exponents, Number Properties

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

jimjohn

13 Oct 2022, 00:53

110

16

29,311

by: bumpbot

27 Aug 2025, 05:36

ER

If m and n are nonzero integers, is m^n an integer?

605-655 (Medium) | Exponents, Number Properties

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

MHIKER

19 Nov 2020, 11:07

429

12

58,967

by: bumpbot

24 Aug 2025, 02:03

ER

Is x + x^2 + ... +x^10 positive?

605-655 (Medium) | Exponents +2 tags

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

gmatpapa

02 Jan 2011, 02:34

39

2

9,266

by: bumpbot

21 Aug 2025, 15:54

ER

w, x, y, and z are integers. If w > x > y > z > 0, is y a common divis

805+ (Hard) | Algebra +3 tags

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

ashiima

17 Feb 2022, 01:56

671

17

73,397

by: bumpbot

17 Aug 2025, 01:37

ER

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

555-605 (Medium) | Algebra, Exponents

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

Lolaergasheva

21 Sep 2019, 17:27

60

7

25,084

by: bumpbot

13 Aug 2025, 05:52

ER

Find the value of x? (1) |x|^|x} = |x| (2) x ≠ |x|

555-605 (Medium) | Absolute Values, Exponents

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

GMATinsight

25 Jun 2020, 04:33

4

7

2,317

by: bumpbot

05 Aug 2025, 10:11

ER

If xy 0, is x < y? (1) x^8 < y^8 (2) x^(-9) < y^(-9)

805+ (Hard) | Exponents, Inequalities

805+ (Hard) | Exponents, Inequalities hide tags

Bunuel

16 Jan 2022, 08:46

15

3

3,310

by: bumpbot

05 Aug 2025, 04:09

ER

If a and b are positive integers, is (ab)^b+1 − a^a+1 odd? (1) 2a + 3

805+ (Hard) | Exponents, Number Properties

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

Bunuel

17 Nov 2021, 04:30

7

3

3,335

by: bumpbot

29 Jul 2025, 10:20

If x is even and b is odd, is

805+ (Hard) | Exponents, Number Properties

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

gmatophobia

05 May 2023, 11:25

8

5

1,476

by: gmatophobia

28 Jul 2025, 22:44

ER

If n is an integer, is (0.1)^n greater than (10)^n?

Sub 505 (Easy) | Exponents, Inequalities

Sub 505 (Easy) | Exponents, Inequalities hide tags

Bunuel

14 May 2023, 14:43

185

13

43,511

by: bumpbot

19 Jul 2025, 04:27

ER

If x is an integer greater than 1, is x equal to the 12th

655-705 (Hard) | Exponents, Number Properties

655-705 (Hard) | Exponents, Number Properties hide tags

bhupi

23 Jun 2012, 10:44

443

18

49,691

by: bumpbot

18 Jul 2025, 05:55

ER

If p and q are positive integers, what is the value of q?

505-555 (Easy) | Exponents

505-555 (Easy) | Exponents hide tags

Stiv

28 Jun 2012, 06:56

39

3

17,157

by: bumpbot

17 Jul 2025, 09:03

ER

Is 4^(x + y) = 8^(10) ? (1) x - y = 9 (2) y/x = 1/4

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

Bunuel

18 Sep 2012, 03:19

170

17

55,165

by: bumpbot

17 Jul 2025, 08:55

ER

a=x+y and b=x-y. If a^2=b^2, what is the value of y?

655-705 (Hard) | Exponents, Inequalities

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

HumptyDumpty

18 Jan 2013, 16:08

70

10

12,645

by: bumpbot

12 Jul 2025, 06:25

ER

If n is an integer and x^n – x^(-n) = 0, what is the value of x ?

655-705 (Hard) | Algebra, Exponents

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

DeeptiM

04 Dec 2020, 08:32

114

9

21,731

by: bumpbot

11 Jul 2025, 02:38

ER

Is the positive integer n a multiple of 40?

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

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

Bunuel

01 Mar 2019, 11:19

52

7

8,971

by: bumpbot

10 Jul 2025, 13:10

ER

Is (x^7)(y^2)(z^3) > 0 ? (1) yz < 0 (2) xz > 0

705-805 (Hard) | Exponents, Inequalities

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

TheGmatTutor

20 Oct 2013, 11:56

142

12

27,990

by: bumpbot

02 Jul 2025, 14:22

ER

If p and q are integers, is p^q >1 ? (1) pq < 0 (2) q^p < 1

655-705 (Hard) | Exponents, Inequalities

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

push12345

02 Oct 2018, 06:07

24

6

7,558

by: bumpbot

26 Jun 2025, 22:22

ER

What is the value of x^(-6) ? (1) x^(-2) = 1/36 (2) x^6 = 46,656

Sub 505 (Easy) | Algebra, Exponents

Sub 505 (Easy) | Algebra, Exponents hide tags

Bunuel

29 Oct 2019, 02:17

2

1,848

by: bumpbot

24 Jun 2025, 11:44

ER

If x 0, is -4/x^3 negative?

Sub 505 (Easy) | Exponents, Inequalities

Sub 505 (Easy) | Exponents, Inequalities hide tags

RSOHAL

21 Dec 2015, 09:15

14

6

8,804

by: bumpbot

23 Jun 2025, 12:58

ER

If p and k are non-negative distinct integers, then is p^{18} . . . .

805+ (Hard) | Exponents, Number Properties

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

EgmatQuantExpert

04 May 2020, 08:53

36

16

5,185

by: bumpbot

23 Jun 2025, 04:46

ER

If the integers a and n are greater than 1 and the product of the firs

655-705 (Hard) | Exponents

655-705 (Hard) | Exponents hide tags

dominion

19 Jan 2008, 15:04

386

17

82,135

by: bumpbot

20 Jun 2025, 06:06

ER

Bunuel's Algebra DS Diagnostic Test

505-555 (Easy) | Absolute Values +11 tags

505-555 (Easy), 555-605 (Medium), 655-705 (Hard) | Absolute Values, Algebra, Combinations, Exponents, Fractions and Ratios, Functions and Custom Characters, Inequalities, Min-Max Problems, Percent and Interest Problems, Roots hide tags

1, 2, 3

Bunuel

17 Aug 2023, 01:45

166

53

25,537

by: Gg153

19 Jun 2025, 10:01

ER

If x and y are positive integers such that the product of x

655-705 (Hard) | Exponents, Number Properties

655-705 (Hard) | Exponents, Number Properties hide tags

saikiranx

25 Nov 2012, 05:51

33

8

9,132

by: bumpbot

18 Jun 2025, 18:25

ER

If a and b are positive integers, then is b a multiple of 6?

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

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

Bunuel

18 Aug 2021, 20:55

7

6

4,577

by: bumpbot

18 Jun 2025, 06:35

ER

For all integers n, the function f is defined by f(n) = a^n, where a

505-555 (Easy) | Exponents, Functions and Custom Characters

505-555 (Easy) | Exponents, Functions and Custom Characters hide tags

sperumba

15 Sep 2020, 03:08

66

9

22,725

by: bumpbot

17 Jun 2025, 21:47

ER

If t is a positive integer and 3*10^t > 15,000, what is t?

605-655 (Medium) | Exponents, Inequalities

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

anooo31

06 May 2018, 01:58

8

6

3,053

by: bumpbot

16 Jun 2025, 09:03

ER

Is a^x equal to 4? (1) a^{x + 1} = 4 (2) (a + 1)^x = 4

805+ (Hard) | Algebra, Exponents

805+ (Hard) | Algebra, Exponents hide tags

Bunuel

28 May 2022, 05:45

9

3

2,204

by: bumpbot

15 Jun 2025, 00:22

ER

If xy 0 and x^(y + 1) = 2x^y - 1, what is the value of x?

805+ (Hard) | Algebra, Exponents

805+ (Hard) | Algebra, Exponents hide tags

Bunuel

28 Aug 2017, 03:25

43

8

5,978

by: bumpbot

14 Jun 2025, 11:42

ER

If a and b are positive, is (a^(-1) + b^(-1))^(-1) less than (a^(-1)*b

655-705 (Hard) | Exponents, Inequalities

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

ajit257

08 Oct 2017, 08:46

28

8

22,496

by: bumpbot

14 Jun 2025, 01:05

ER

If x and y are distinct positive integers and x + y is even, what is t

705-805 (Hard) | Exponents +2 tags

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

AbdulMalikVT

21 Aug 2019, 20:08

42

9

8,252

by: bumpbot

13 Jun 2025, 00:42

ER

If m and n are integers, what is the value of m^4 + n^4? (1) n^3 = 27

Sub 505 (Easy) | Algebra, Exponents

Sub 505 (Easy) | Algebra, Exponents hide tags

AndrewN

26 Jul 2022, 07:08

3

4

2,240

by: ansh00700

12 Jun 2025, 02:16

ER

If x is a non-zero integer, what is the value of xy?

605-655 (Medium) | Algebra, Exponents

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

Bunuel

06 Nov 2014, 09:20

25

6

7,960

by: Kinshook

11 Jun 2025, 07:56

ER

Is x > y ? (1) x^(1/2) > y (2) x^3 > y

805+ (Hard) | Exponents +2 tags

805+ (Hard) | Exponents, Inequalities, Roots hide tags

1, 2

shrouded1

01 Oct 2019, 04:20

872

30

124,026

by: kanavgoyal97

06 Jun 2025, 04:27

ER

If a is a positive integer, k and m are integers, and k > m, is a^k >

705-805 (Hard) | Exponents, Inequalities

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

Bunuel

28 Jan 2022, 02:21

10

2

2,505

by: bumpbot

04 Jun 2025, 15:45

ER

If a, b and x are integers such that a^6=b^3=|x|/x, what is the value

655-705 (Hard) | Absolute Values +2 tags

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

Bunuel

10 Jan 2022, 02:30

20

5

3,939

by: bumpbot

04 Jun 2025, 15:24

ER

If x^{n+1} - 2x^n=3x^n, then what is the value of x^n?

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

Bunuel

17 Jul 2016, 11:25

8

9

4,324

by: bumpbot

02 Jun 2025, 05:48

ER

If a and b are integers, is a^5 < 4^b ? (1) a^3 = –27 (2) b^2 = 16

555-605 (Medium) | Exponents, Inequalities

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

1, 2

Bunuel

26 Apr 2019, 02:38

170

22

30,235

by: minnieminnoon

02 Jun 2025, 04:40

ER

If M and N are positive integers greater than 1, what is the remainder

655-705 (Hard) | Exponents, Remainders

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

Kritisood

12 Apr 2020, 08:12

18

8

4,187

by: bumpbot

01 Jun 2025, 02:20