GMAT Club Forum

ER

Complete 1000 GMAT Data Sufficiency Series (DS-1000

Bunuel

25 Oct 2022, 08:11

54

7

24,085

by: unicornilove

22 May 2024, 11:49

ER

100 Hardest and easiest questions for DS as of April

Bunuel

21 Aug 2015, 03:42

775

19

162,413

by: bumpbot

28 Nov 2023, 14:32

ER

DS Question Directory by Topic and Difficulty

bb

07 Mar 2012, 08:58

1,421

0

448,644

by: bb

07 Mar 2012, 08:58

ER

If z and x are integers is (z^3 + x)(z^4 + x) even?

655-705 Level | Number Properties

655-705 Level | Number Properties hide tags

Bunuel

09 Dec 2019, 01:26

1

3

1,659

by: minustark

12 Jul 2020, 22:15

ER

If z and x are integers with absolute values greater

655-705 Level | Exponents, Inequalities

655-705 Level | Exponents, Inequalities hide tags

Bunuel

09 Feb 2016, 09:54

12

8

4,779

by: bumpbot

30 Mar 2022, 03:32

ER

If z denotes the tenths digit in the decimal

805+ Level | Distance and Speed Problems, Number Properties

805+ Level | Distance and Speed Problems, Number Properties hide tags

Bunuel

26 May 2020, 02:27

28

5

3,355

by: bumpbot

15 Sep 2022, 12:29

ER

If z is a multiple of 9 and w is a multiple of 4, is zw

555-605 Level | Multiples and Factors

555-605 Level | Multiples and Factors hide tags

guerrero25

26 Aug 2013, 23:50

18

9

5,965

by: bumpbot

13 Jan 2022, 08:01

ER

If z is a non-negative integer, is 75/(z + 1) an

655-705 Level | Multiples and Factors, Number Properties

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

Bunuel

04 Dec 2020, 05:53

16

6

4,574

by: Bunuel

27 Jun 2023, 01:11

ER

If z is a positive integer and r is the remainder when

805+ Level | Remainders

805+ Level | Remainders hide tags

Bunuel

31 Aug 2017, 23:14

82

15

6,813

by: bumpbot

02 Nov 2023, 03:39

ER

If z is a positive integer and y = 6.038x10^z, what is

555-605 Level | Exponents, Inequalities

555-605 Level | Exponents, Inequalities hide tags

Bunuel

21 Jul 2016, 23:46

23

5

5,886

by: bumpbot

20 Dec 2023, 04:06

ER

If z is a positive integer is root(Z) an integer ?

655-705 Level | Algebra, Number Properties

655-705 Level | Algebra, Number Properties hide tags

rxs0005

21 Sep 2010, 16:03

48

10

10,122

by: bumpbot

01 Dec 2022, 23:43

ER

If Z is a positive integer such that (Z/81)^(1/3) =

805+ Level | Absolute Values +4 tags

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

Bunuel

07 Nov 2019, 02:56

18

5

3,569

by: bumpbot

05 Feb 2023, 21:20

ER

If z is a positive integer, does z have more than 2

555-605 Level | Multiples and Factors, Number Properties

555-605 Level | Multiples and Factors, Number Properties hide tags

Bunuel

27 Jan 2020, 02:49

3

925

by: GMATinsight

27 Jan 2020, 07:43

ER

If z is a positive integer, is 75/(z + 1) an integer?

555-605 Level | Multiples and Factors, Number Properties

555-605 Level | Multiples and Factors, Number Properties hide tags

Bunuel

04 Dec 2020, 06:00

3

1,059

by: Bunuel

04 Dec 2020, 06:24

ER

If z is a positive integer, is the remainder of z

555-605 Level | Remainders

555-605 Level | Remainders hide tags

taha1234

07 Jul 2021, 00:39

3

4

2,404

by: bumpbot

19 Sep 2023, 18:28

ER

If z is a positive integer, is z + 1 a factor of 105?

655-705 Level | Number Properties

655-705 Level | Number Properties hide tags

d999

11 Mar 2020, 02:55

14

3

3,402

by: bumpbot

13 Apr 2024, 01:44

If z is a positive integer, is z an integer? (1) 9z is

505-555 Level | Number Properties, Roots

505-555 Level | Number Properties, Roots hide tags

carcass

22 Sep 2022, 00:48

5

1

901

by: Archit3110

22 Sep 2022, 02:49

ER

If z is a positive integer, is z divisible by 480?

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Bunuel

24 Apr 2016, 11:55

2

2,186

by: Balajikarthick1990

24 Apr 2016, 22:51

ER

If z is a positive integer, is z^(1/2) an integer?

655-705 Level | Number Properties

655-705 Level | Number Properties hide tags

Bunuel

24 Dec 2017, 01:44

10

4

1,745

by: chetan2u

25 Nov 2020, 20:01

ER

If z is a positive integer, such that z>1. What is

655-705 Level | Multiples and Factors, Remainders

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

happypuppy

23 Jun 2022, 11:17

4

2

1,091

by: bumpbot

21 Oct 2023, 04:13

ER

If z is a positive number, is r^2 + z > z^2 + r ?

605-655 Level | Inequalities

605-655 Level | Inequalities hide tags

Bunuel

27 Dec 2016, 08:57

1

3

1,447

by: Bunuel

09 Jan 2017, 09:59

ER

If z is a positive three-digit integer, is z a

655-705 Level | Multiples and Factors

655-705 Level | Multiples and Factors hide tags

Bunuel

17 Jul 2020, 04:50

9

2

1,260

by: gonerias

18 Jul 2020, 04:01

ER

If z is a positive two-digit even number, what is the

655-705 Level | Number Properties

655-705 Level | Number Properties hide tags

MahmoudFawzy

16 Dec 2018, 13:25

3

1,554

by: bumpbot

11 Jan 2024, 08:05

ER

If z is a three-digit positive integer, what is the

605-655 Level | Fractions and Ratios

605-655 Level | Fractions and Ratios hide tags

arjtryarjtry

08 Sep 2008, 23:58

252

6

20,283

by: bumpbot

20 Jun 2023, 11:11

ER

If z is an integer between 2 and 100 and if z is also

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

carcass

23 Sep 2022, 03:44

2

687

by: av1901

23 Sep 2022, 11:26

ER

If z is an integer greater than 1, is z even? (1) 2z

555-605 Level | Multiples and Factors, Number Properties

555-605 Level | Multiples and Factors, Number Properties hide tags

Bunuel

26 May 2022, 03:05

1

2

1,147

by: Xtiana

26 May 2022, 13:35

ER

If z is an integer smaller than integer n but greater

705-805 Level | Multiples and Factors, Number Properties

705-805 Level | Multiples and Factors, Number Properties hide tags

Bunuel

13 May 2021, 20:00

9

3

5,042

by: bumpbot

22 Oct 2022, 11:54

ER

If z is an integer, is y an integer?

555-605 Level | Inequalities, Number Properties

555-605 Level | Inequalities, Number Properties hide tags

chetan2u

29 Nov 2017, 19:01

3

1,314

by: amanvermagmat

29 Nov 2017, 22:29

ER

If z is an integer, is z even?

Sub 505 Level | Number Properties

Sub 505 Level | Number Properties hide tags

pchun008

28 Oct 2013, 18:11

9

4

7,282

by: bumpbot

20 Mar 2024, 06:34

ER

If z is an integer, is z even? (1) (z + 7)/3 = 2m +

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

Bunuel

17 Feb 2020, 02:01

11

2,589

by: vthatha

17 Feb 2020, 23:12

ER

If z is an integer, is z even? (1) z/2 is not an odd

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Bunuel

29 Sep 2021, 01:01

3

5

2,062

by: Showmeyaa

30 Sep 2021, 07:56

ER

If Z is an integer, is Z prime?

605-655 Level | Inequalities, Number Properties

605-655 Level | Inequalities, Number Properties hide tags

InspiredAnimal

12 May 2011, 04:49

102

11

11,889

by: bumpbot

07 Apr 2024, 23:06

ER

If z is an integer, is z prime?

605-655 Level | Multiples and Factors, Number Properties

605-655 Level | Multiples and Factors, Number Properties hide tags

energetics

09 May 2019, 14:57

16

6

6,790

by: bumpbot

08 Apr 2023, 08:44

ER

If z is an integer, is z/3 an odd integer? (1) z is a

555-605 Level | Multiples and Factors

555-605 Level | Multiples and Factors hide tags

Bunuel

17 Oct 2019, 01:56

1

1,154

by: chetan2u

17 Oct 2019, 05:02

ER

If z is an integer, is Z/4 also an integer?

555-605 Level | Multiples and Factors, Number Properties

555-605 Level | Multiples and Factors, Number Properties hide tags

d999

11 Mar 2020, 02:46

1

1,533

by: BrentGMATPrepNow

11 Mar 2020, 06:41

ER

If z is an integer, what is the units digit of z^3?

555-605 Level | Multiples and Factors, Number Properties

555-605 Level | Multiples and Factors, Number Properties hide tags

Bunuel

13 Dec 2015, 05:31

11

7

4,937

by: bumpbot

01 Jan 2024, 06:13

ER

If z is an odd integer, is 300z > 1500?

705-805 Level | Exponents, Roots

705-805 Level | Exponents, Roots hide tags

Mascarfi

07 Nov 2015, 16:36

54

16

13,049

by: bumpbot

01 Jan 2024, 08:52

ER

If z is different from 0, is y greater than zero?

555-605 Level | Algebra, Number Properties

555-605 Level | Algebra, Number Properties hide tags

carcass

25 Sep 2022, 10:49

6

3

1,307

by: bumpbot

05 Nov 2023, 02:46

ER

If z is equal to one of the numbers 3/5, 5/8 or 2/3,

555-605 Level | Fractions and Ratios, Inequalities

555-605 Level | Fractions and Ratios, Inequalities hide tags

Bunuel

20 Dec 2015, 04:54

2

5

4,424

by: Stanindaw

21 Nov 2022, 05:17

ER

If z is positive, is |x − y| > 0? (1) xy + 2z =

655-705 Level | Absolute Values +2 tags

655-705 Level | Absolute Values, Algebra, Inequalities hide tags

Bunuel

09 Oct 2018, 03:01

12

2

1,772

by: CrackverbalGMAT

23 Jul 2019, 03:52

ER

If Z is represented by the decimal 0.W7, what is the

555-605 Level | Fractions and Ratios

555-605 Level | Fractions and Ratios hide tags

Bunuel

28 Aug 2016, 10:36

4

2,897

by: bumpbot

12 Jun 2021, 07:53

ER

If z is the sum of three consecutive odd positive

655-705 Level | Multiples and Factors, Remainders

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

Bunuel

23 Mar 2020, 06:57

12

3

2,127

by: bumpbot

07 Apr 2024, 09:16

ER

If z is x percent of y, then what is the square root

555-605 Level | Percent and Interest Problems

555-605 Level | Percent and Interest Problems hide tags

Bunuel

30 May 2023, 01:30

1

739

by: zhanbo

30 May 2023, 10:45

ER

If Z^(1/2) is greater than 0, is Z^(1/2) greater than

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

Bunuel

24 Jul 2019, 00:26

3

4

5,721

by: mafuz

14 Dec 2019, 03:55

ER

If z^n = 1, what is the value of z?

605-655 Level | Exponents

605-655 Level | Exponents hide tags

tradinggenius

24 Jan 2011, 08:02

138

17

35,921

by: bumpbot

20 Nov 2023, 03:36

ER

If z=(m + m/3)(n+2/(n^(-1)) and mn#0, what is the

655-705 Level | Algebra

655-705 Level | Algebra hide tags

harish1986

13 Jan 2016, 10:47

9

10

6,100

by: bumpbot

06 Aug 2022, 19:11

ER

If z~ denotes the greatest integer less than or equal

555-605 Level | Functions and Custom Characters

555-605 Level | Functions and Custom Characters hide tags

Bunuel

25 May 2022, 01:30

2

3

1,066

by: GMATCoachBen

10 Nov 2022, 23:24

ER

If z1, z2, z3, ..., zn is a series of zn is a series

805+ Level | Statistics and Sets Problems

805+ Level | Statistics and Sets Problems hide tags

Bunuel

08 May 2020, 02:03

37

12

4,299

by: bumpbot

01 Sep 2023, 16:07

ER

If z1, z2, z3,..., zn is a series of consecutive

705-805 Level | Number Properties, Sequences

705-805 Level | Number Properties, Sequences hide tags

TheRob

19 Aug 2009, 07:35

79

13

17,147

by: bumpbot

24 Jan 2023, 07:31

ER

If zt < -3, is z < 4 ? (1) z < 9 (2) t <

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

msand

08 Apr 2010, 13:30

34

9

14,973

by: bumpbot

17 Jan 2024, 03:40

ER

If zy < xy < 0, is |x - z | + |x| = |z|?

Poor Quality

Poor Quality hide tags

1, 2

rgtiwari

17 Sep 2010, 12:10

275

21

39,986

by: bumpbot

27 Jul 2022, 11:21

ER

If Φ is a digit in the number n and n = 3.Φ6, what

Sub 505 Level | Fractions and Ratios

Sub 505 Level | Fractions and Ratios hide tags

Bunuel

01 Nov 2016, 04:49

5

2

4,631

by: BrentGMATPrepNow

10 Jan 2018, 09:13

ER

If φ is a function, does aφ 1 = 1 for all a? (1) 1φ

605-655 Level | Functions and Custom Characters

605-655 Level | Functions and Custom Characters hide tags

Sajjad1994

11 Jul 2019, 05:09

8

4

2,703

by: TestPrepUnlimited

13 Sep 2020, 16:06

Data Sufficiency (DS)