GMAT Club Forum

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GMAT Club MBA Scholarship 2025-2026: $10,000 - Application Open!

bb

10 Nov 2025, 10:56

10

3

3,207

by: bb

14 Nov 2025, 10:58

7!! ER

Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

Bunuel

25 Oct 2022, 08:11

153

12

67,650

by: Bunuel

02 Oct 2025, 01:36

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100 Hardest and easiest questions for DS as of October 2025

1, 2

Bunuel

21 Aug 2015, 03:42

842

24

183,694

by: bumpbot

16 Sep 2025, 06:05

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DS Question Directory by Topic and Difficulty

bb

07 Mar 2012, 08:58

1,506

0

480,509

by: bb

07 Mar 2012, 08:58

7!! ER

During an experiment, the population of a bacterium increased ...

505-555 Level | Exponents, Sequences

505-555 Level | Exponents, Sequences hide tags

CaptainMeow

08 Oct 2019, 05:37

15

6

7,481

by: Bunuel

18 Nov 2025, 23:12

7!! ER

If x and k are both integers, x > k, and x−k = 625, what is x? (1) |k|

805+ Level | Absolute Values +3 tags

805+ Level | Absolute Values, Exponents, Inequalities, Number Properties hide tags

BillyZ

20 May 2017, 09:25

53

11

7,653

by: bumpbot

18 Nov 2025, 11:47

7!! ER

What is the value of k?

Sub 505 Level | Exponents

Sub 505 Level | Exponents hide tags

Nadiuska

19 Nov 2015, 10:03

30

10

15,169

by: bumpbot

17 Nov 2025, 18:26

7!! ER

If x and yare positive integers , what is the remainder when

Sub 505 Level | Exponents, Remainders

Sub 505 Level | Exponents, Remainders hide tags

dzodzo85

20 Mar 2012, 00:40

127

14

24,434

by: bumpbot

16 Nov 2025, 03:53

7!! ER

What does (1 + m)(1 m + m^2 m^3) = ? (1) m^6 = 64 (2) m^-3 = -1/8

655-705 Level | Algebra, Exponents

655-705 Level | Algebra, Exponents hide tags

Bunuel

21 Mar 2022, 05:08

8

2

1,667

by: bumpbot

13 Nov 2025, 09:25

7!! ER

Is a > |b|? (1) 2^(a - b) > 16 (2) |a b| < b

805+ Level | Absolute Values +2 tags

805+ Level | Absolute Values, Exponents, Inequalities hide tags

1, 2

EgmatQuantExpert

20 May 2015, 10:32

127

22

17,226

by: bumpbot

13 Nov 2025, 07:48

7!! ER

If x is a positive integer and <z> is the greatest multiple of ten les

805+ Level | Exponents, Sequences

805+ Level | Exponents, Sequences hide tags

pichitrat

17 Mar 2019, 03:36

33

5

4,245

by: bumpbot

09 Nov 2025, 12:04

7!! ER

x^n = x^(n+2) for any integer n. Is it true that x > 0?

705-805 Level | Exponents, Inequalities

705-805 Level | Exponents, Inequalities hide tags

1, 2

viktorija

21 Dec 2014, 20:41

164

21

20,312

by: bumpbot

02 Nov 2025, 21:19

7!! ER

If x and y are positive integers, does x – y = 0?

705-805 Level | Algebra, Exponents

705-805 Level | Algebra, Exponents hide tags

Bunuel

11 Nov 2019, 04:15

16

2

3,798

by: bumpbot

30 Oct 2025, 08:27

7!! ER

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

705-805 Level | Exponents, Number Properties

705-805 Level | Exponents, Number Properties hide tags

Bunuel

22 Sep 2021, 01:30

6

5

2,729

by: ramjas1234

08 Oct 2025, 13:16

7!! ER

If a and b are positive integers, what is the remainder when

555-605 Level | Exponents, Remainders

555-605 Level | Exponents, Remainders hide tags

enigma123

26 Feb 2012, 16:30

106

14

18,412

by: bumpbot

08 Oct 2025, 05:11

7!! ER

p, q, r, s, t, u, v, w are all positive integers. If p=2^r5^27^t and q

605-655 Level | Exponents +2 tags

605-655 Level | Exponents, Fractions and Ratios, Number Properties hide tags

kyloxylo

23 Dec 2019, 16:03

40

10

8,308

by: bumpbot

26 Sep 2025, 00:02

7!! ER

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

Sub 505 Level | Algebra, Exponents

Sub 505 Level | Algebra, Exponents hide tags

gmatt1476

21 Sep 2019, 16:49

32

4

11,542

by: bumpbot

25 Sep 2025, 20:32

7!! ER

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

605-655 Level | Absolute Values +3 tags

605-655 Level | Absolute Values, Exponents, Inequalities, Number Properties hide tags

Bunuel

05 Jan 2022, 10:00

3

1,632

by: bumpbot

18 Sep 2025, 07:51

7!! ER

If xy 0, is x^y > 0 ?

655-705 Level | Exponents +2 tags

655-705 Level | Exponents, Inequalities, Roots hide tags

Bunuel

20 Jul 2014, 11:23

62

11

11,654

by: bumpbot

16 Sep 2025, 06:24

7!! ER

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

505-555 Level | Algebra, Exponents

505-555 Level | Algebra, Exponents hide tags

1, 2

Bunuel

26 Oct 2015, 09:51

151

24

47,260

by: bumpbot

11 Sep 2025, 11:49

7!! ER

If n is a positive integer, is (1/10)^n < 0.01?

555-605 Level | Exponents, Inequalities

555-605 Level | Exponents, Inequalities hide tags

tkaelle

16 Mar 2012, 10:04

211

18

47,558

by: bumpbot

11 Sep 2025, 11:47

7!! ER

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

505-555 Level | Algebra, Exponents

505-555 Level | Algebra, Exponents hide tags

carcass

26 Jul 2017, 09:05

101

8

23,642

by: bumpbot

11 Sep 2025, 11:34

7!! ER

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

655-705 Level | Exponents +2 tags

655-705 Level | Exponents, Multiples and Factors, Number Properties hide tags

1, 2

mbaMission

02 Jun 2009, 05:18

495

28

66,684

by: bumpbot

11 Sep 2025, 08:56

7!! ER

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

655-705 Level | Exponents, Multiples and Factors

655-705 Level | Exponents, Multiples and Factors hide tags

alphabeta1234

08 Apr 2012, 19:36

22

6

5,752

by: bumpbot

11 Sep 2025, 03:11

7!! ER

Is 7^7/7^x an integer?

655-705 Level | Algebra +2 tags

655-705 Level | Algebra, Exponents, Number Properties hide tags

aramjung

19 Mar 2010, 19:35

37

3

14,605

by: bumpbot

11 Sep 2025, 00:16

7!! ER

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

555-605 Level | Exponents +2 tags

555-605 Level | Exponents, Inequalities, Number Properties hide tags

Bunuel

25 Oct 2015, 09:13

200

12

51,155

by: bumpbot

07 Sep 2025, 12:37

7!! ER

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

655-705 Level | Exponents

655-705 Level | Exponents hide tags

1, 2

carcass

27 Jul 2017, 08:12

261

28

61,719

by: bumpbot

02 Sep 2025, 07:03

7!! ER

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

555-605 Level | Exponents

555-605 Level | Exponents hide tags

Bunuel

27 Sep 2021, 01:30

7

4

3,551

by: bumpbot

29 Aug 2025, 21:34

7!! ER

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

805+ Level | Exponents, Number Properties

805+ Level | Exponents, Number Properties hide tags

jimjohn

14 Dec 2007, 13:31

110

16

28,911

by: bumpbot

27 Aug 2025, 05:36

7!! ER

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

605-655 Level | Exponents, Number Properties

605-655 Level | Exponents, Number Properties hide tags

MHIKER

21 Feb 2011, 11:26

418

12

57,725

by: bumpbot

24 Aug 2025, 02:03

7!! ER

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

605-655 Level | Exponents +2 tags

605-655 Level | Exponents, Inequalities, Number Properties hide tags

gmatpapa

02 Jan 2011, 02:34

39

2

9,014

by: bumpbot

21 Aug 2025, 15:54

7!! ER

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

805+ Level | Algebra +3 tags

805+ Level | Algebra, Exponents, Multiples and Factors, Number Properties hide tags

ashiima

10 Dec 2011, 17:51

665

17

72,489

by: bumpbot

17 Aug 2025, 01:37

7!! ER

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

555-605 Level | Algebra, Exponents

555-605 Level | Algebra, Exponents hide tags

Lolaergasheva

05 Mar 2011, 08:12

59

7

24,378

by: bumpbot

13 Aug 2025, 05:52

7!! ER

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

555-605 Level | Absolute Values, Exponents

555-605 Level | Absolute Values, Exponents hide tags

GMATinsight

25 Jun 2020, 04:33

4

7

2,003

by: bumpbot

05 Aug 2025, 10:11

7!! ER

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

805+ Level | Exponents, Inequalities

805+ Level | Exponents, Inequalities hide tags

Bunuel

16 Jan 2022, 08:46

15

3

3,104

by: bumpbot

05 Aug 2025, 04:09

7!! ER

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

805+ Level | Exponents, Number Properties

805+ Level | Exponents, Number Properties hide tags

Bunuel

17 Nov 2021, 04:30

7

3

3,146

by: bumpbot

29 Jul 2025, 10:20

7!!

If x is even and b is odd, is

805+ Level | Exponents, Number Properties

805+ Level | Exponents, Number Properties hide tags

gmatophobia

05 May 2023, 11:25

8

5

1,366

by: gmatophobia

28 Jul 2025, 22:44

7!! ER

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

Sub 505 Level | Exponents, Inequalities

Sub 505 Level | Exponents, Inequalities hide tags

Bunuel

25 Oct 2015, 09:01

185

13

42,743

by: bumpbot

19 Jul 2025, 04:27

7!! ER

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

655-705 Level | Exponents, Number Properties

655-705 Level | Exponents, Number Properties hide tags

bhupi

23 Jun 2012, 10:44

437

18

48,867

by: bumpbot

18 Jul 2025, 05:55

7!! ER

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

505-555 Level | Exponents

505-555 Level | Exponents hide tags

Stiv

28 Jun 2012, 06:56

38

3

16,520

by: bumpbot

17 Jul 2025, 09:03

7!! ER

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

555-605 Level | Exponents

555-605 Level | Exponents hide tags

Bunuel

18 Sep 2012, 03:19

168

17

54,352

by: bumpbot

17 Jul 2025, 08:55

7!! ER

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

655-705 Level | Exponents, Inequalities

655-705 Level | Exponents, Inequalities hide tags

HumptyDumpty

18 Jan 2013, 16:08

70

10

12,315

by: bumpbot

12 Jul 2025, 06:25

7!! ER

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

655-705 Level | Algebra, Exponents

655-705 Level | Algebra, Exponents hide tags

DeeptiM

05 Sep 2011, 12:17

112

9

21,004

by: bumpbot

11 Jul 2025, 02:38

7!! ER

Is the positive integer n a multiple of 40?

655-705 Level | Exponents, Multiples and Factors

655-705 Level | Exponents, Multiples and Factors hide tags

Bunuel

01 Mar 2019, 11:19

51

7

8,593

by: bumpbot

10 Jul 2025, 13:10

7!! ER

If x is an integer, is 9^x + 9^(-x) = b ? (1) 3^x + 3^(-x) = (b + 2)

555-605 Level | Algebra, Exponents

555-605 Level | Algebra, Exponents hide tags

1, 2

Bunuel

01 Oct 2012, 05:20

241

26

54,004

by: Bunuel

06 Jul 2025, 08:48

7!! ER

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

705-805 Level | Exponents, Inequalities

705-805 Level | Exponents, Inequalities hide tags

TheGmatTutor

10 Jun 2010, 12:52

141

12

27,426

by: bumpbot

02 Jul 2025, 14:22

7!! ER

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

655-705 Level | Exponents, Inequalities

655-705 Level | Exponents, Inequalities hide tags

push12345

02 Oct 2018, 05:28

24

6

7,253

by: bumpbot

26 Jun 2025, 22:22

7!! ER

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

Sub 505 Level | Algebra, Exponents

Sub 505 Level | Algebra, Exponents hide tags

Bunuel

29 Oct 2019, 02:17

2

1,720

by: bumpbot

24 Jun 2025, 11:44

7!! ER

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

Sub 505 Level | Exponents, Inequalities

Sub 505 Level | Exponents, Inequalities hide tags

RSOHAL

21 Dec 2015, 09:15

14

6

8,582

by: bumpbot

23 Jun 2025, 12:58

7!! ER

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

805+ Level | Exponents, Number Properties

805+ Level | Exponents, Number Properties hide tags

EgmatQuantExpert

14 Apr 2020, 09:12

36

16

4,888

by: bumpbot

23 Jun 2025, 04:46

7!! ER

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

655-705 Level | Exponents

655-705 Level | Exponents hide tags

dominion

19 Jan 2008, 15:04

385

17

81,045

by: bumpbot

20 Jun 2025, 06:06

7!! ER

Bunuel's Algebra DS Diagnostic Test

505-555 Level | Absolute Values +11 tags

505-555 Level, 555-605 Level, 655-705 Level | 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

02 Oct 2022, 06:46

160

53

24,052

by: sanya511

19 Jun 2025, 10:01

7!! ER

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

655-705 Level | Exponents, Number Properties

655-705 Level | Exponents, Number Properties hide tags

saikiranx

24 Nov 2012, 13:21

33

8

8,845

by: bumpbot

18 Jun 2025, 18:25

7!! ER

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

705-805 Level | Exponents, Multiples and Factors

705-805 Level | Exponents, Multiples and Factors hide tags

Bunuel

21 Jul 2021, 06:30

7

6

4,328

by: bumpbot

18 Jun 2025, 06:35

Data Sufficiency (DS)