GMAT Club Forum

ER

100 Hardest and easiest questions for DS as of April

Bunuel

21 Aug 2015, 03:42

774

19

162,153

by: bumpbot

28 Nov 2023, 14:32

ER

DS Question Directory by Topic and Difficulty

655-705 Level

655-705 Level hide tags

bb

07 Mar 2012, 08:58

1,420

0

448,314

by: bb

07 Mar 2012, 08:58

ER

Can the positive integer k be expressed as the product

655-705 Level | Number Properties

655-705 Level | Number Properties hide tags

enigma123

11 Feb 2012, 20:08

12

5,771

by: bumpbot

04 Nov 2021, 07:45

ER

How long does it take Lee to type a certain document?

505-555 Level | Work Problems

505-555 Level | Work Problems hide tags

nfr007

23 Jan 2014, 08:09

12

8

5,771

by: bumpbot

03 Oct 2023, 14:08

ER

If a, b, and c are three positive integers, each

555-605 Level | Divisibility/Multiples/Factors, Remainders

555-605 Level | Divisibility/Multiples/Factors, Remainders hide tags

Bunuel

26 Feb 2020, 01:53

20

11

5,772

by: bumpbot

02 Nov 2022, 13:35

ER

If set T was derived from set S when all elements of

555-605 Level | Statistics and Sets Problems

555-605 Level | Statistics and Sets Problems hide tags

dennis14

18 Mar 2014, 03:30

9

11

5,772

by: Bunuel

26 Feb 2023, 13:15

ER

If x and y are positive integers, is x even?

655-705 Level | Number Properties

655-705 Level | Number Properties hide tags

Bunuel

14 May 2018, 01:30

24

7

5,772

by: bumpbot

07 Dec 2023, 23:32

ER

Is -x < 2y ?

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

devilmirror

30 Jan 2007, 21:25

8

13

5,776

by: bumpbot

17 Jan 2022, 15:53

ER

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

555-605 Level | Remainders

555-605 Level | Remainders hide tags

Bunuel

11 Nov 2017, 08:23

3

5,776

by: bumpbot

25 May 2023, 23:29

ER

At Consolidated Foundries, for a resolution to become

705-805 Level | Word Problems

705-805 Level | Word Problems hide tags

gurasis1

30 Oct 2017, 06:02

13

8

5,778

by: bumpbot

03 Feb 2023, 03:16

ER

What is the probability of picking a blue ball in 2nd

655-705 Level | Probability

655-705 Level | Probability hide tags

chetan2u

13 May 2016, 03:43

20

5

5,784

by: bumpbot

15 May 2023, 23:10

ER

What is the value of x^2 - y^2? (1) x + y = 0 (2) x -

505-555 Level | Algebra

505-555 Level | Algebra hide tags

SergeNew

02 Jan 2011, 14:08

15

4

5,785

by: MBAHOUSE

14 Jul 2022, 07:06

ER

If k is a positive integer how many unique prime

805+ Level | Divisibility/Multiples/Factors, Number Properties

805+ Level | Divisibility/Multiples/Factors, Number Properties hide tags

Bunuel

09 Dec 2020, 01:15

29

12

5,785

by: bumpbot

19 Mar 2023, 01:34

ER

Is the average (arithmetic mean) of w, x, y, and z

655-705 Level | Statistics and Sets Problems

655-705 Level | Statistics and Sets Problems hide tags

Bunuel

13 Dec 2019, 00:05

20

13

5,785

by: bumpbot

13 May 2024, 09:06

ER

It takes Amy between 6 and 7 minutes to grill a steak,

Sub 505 Level | Word Problems

Sub 505 Level | Word Problems hide tags

Bunuel

20 Nov 2014, 09:35

10

11

5,786

by: bumpbot

13 Feb 2022, 15:59

ER

If 3 members are to be selected from a team of x

555-605 Level | Combinations

555-605 Level | Combinations hide tags

GMATinsight

01 Apr 2018, 01:05

37

7

5,786

by: bumpbot

30 Nov 2023, 03:11

ER

A hotel has two types of rooms: basic and deluxe. On a

655-705 Level | Overlapping Sets

655-705 Level | Overlapping Sets hide tags

Bunuel

12 Jun 2017, 02:23

12

3

5,787

by: bumpbot

18 May 2024, 19:32

ER

If xy 0, what is the value of x/|y| ?

555-605 Level | Absolute Values

555-605 Level | Absolute Values hide tags

Bunuel

21 May 2018, 00:09

11

8

5,788

by: bumpbot

19 Jan 2023, 06:57

ER

Five persons sat next to each other around a circular

555-605 Level | Combinations

555-605 Level | Combinations hide tags

Bunuel

07 Feb 2016, 10:15

17

3

5,788

by: bumpbot

08 Nov 2023, 06:44

ER

Is a an even integer?

655-705 Level | Number Properties

655-705 Level | Number Properties hide tags

Bunuel

09 Feb 2015, 06:35

37

8

5,788

by: bumpbot

09 Dec 2023, 06:25

ER

If r and s are negative, is r/s less than 1 ?

705-805 Level | Algebra, Inequalities

705-805 Level | Algebra, Inequalities hide tags

enigma123

07 Mar 2012, 16:24

20

7

5,789

by: bumpbot

30 Mar 2019, 04:48

ER

Is x greater than 1.8? (1) x > 1.7 (2) x > 1.9

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

Bunuel

23 Sep 2018, 21:00

2

5,790

by: GMATinsight

01 Oct 2018, 02:53

ER

x+y+z is even, is x*y*z even?

805+ Level | Number Properties

805+ Level | Number Properties hide tags

Eden

16 Jun 2010, 22:50

21

9

5,794

by: bumpbot

04 Dec 2020, 01:37

ER

Is 2|xy^2|> 0?

655-705 Level | Absolute Values, Inequalities

655-705 Level | Absolute Values, Inequalities hide tags

Zarrolou

05 May 2013, 10:35

37

18

5,794

by: bumpbot

23 Jul 2023, 09:06

ER

What is the units digit of positive integer x?

655-705 Level | Divisibility/Multiples/Factors, Number Properties

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

Bunuel

27 Apr 2016, 23:34

19

11

5,796

by: bumpbot

24 Feb 2023, 21:56

ER

If y = ax + b, where a and b are constants, what is

505-555 Level | Algebra

505-555 Level | Algebra hide tags

Bunuel

17 Oct 2020, 00:35

3

2

5,798

by: bumpbot

04 May 2021, 02:24

ER

Is integer y is divisible by 24?

505-555 Level | Divisibility/Multiples/Factors

505-555 Level | Divisibility/Multiples/Factors hide tags

Gnpth

24 Jul 2014, 07:54

10

3

5,799

by: kalaits

26 Sep 2014, 14:04

ER

If x is a positive integer and 123 divided by x leaves

705-805 Level | Divisibility/Multiples/Factors, Remainders

705-805 Level | Divisibility/Multiples/Factors, Remainders hide tags

Bunuel

21 May 2015, 05:43

20

4

5,800

by: bumpbot

12 Mar 2023, 08:52

ER

What is the value of (2^x + 2^x)/2^y ?

505-555 Level | Exponents

505-555 Level | Exponents hide tags

Bunuel

05 Nov 2014, 08:25

13

6

5,804

by: nivivacious

17 Sep 2023, 07:19

If a and b are positive integers, is ab < 6?

605-655 Level | Algebra, Inequalities

605-655 Level | Algebra, Inequalities hide tags

Bunuel

26 Sep 2016, 03:27

13

9

5,805

by: bumpbot

04 Apr 2023, 05:11

ER

Working alone at its constant rate, machine A can

555-605 Level | Work Problems

555-605 Level | Work Problems hide tags

MathRevolution

10 Jan 2018, 01:02

13

4

5,809

by: bumpbot

03 Oct 2023, 14:09

ER

If x and y are integers, is |x| > |y|? 1) |x| =

Poor Quality

Poor Quality hide tags

bibha

05 May 2010, 07:28

2

19

5,810

by: gmatmachoman

26 Aug 2011, 12:32

ER

Is x > 4?

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

rxs0005

26 Jan 2011, 05:59

3

11

5,810

by: Basshead

31 Oct 2020, 04:58

ER

Sam leaves Town X at 9 am and drives due north at 50

555-605 Level | Distance Problems

555-605 Level | Distance Problems hide tags

Bunuel

04 May 2017, 05:10

25

8

5,810

by: bumpbot

13 May 2024, 02:54

ER

A bag contains a mixture of beans and pulses. To

555-605 Level | Mixture Problems

555-605 Level | Mixture Problems hide tags

Bunuel

25 Jun 2017, 04:07

19

9

5,819

by: adityasuresh

18 Oct 2022, 07:45

ER

There are three circles, with radii 2, 4 and 5,

555-605 Level | Geometry

555-605 Level | Geometry hide tags

guerrero25

15 Jun 2013, 13:26

17

9

5,819

by: bumpbot

26 Mar 2023, 11:57

ER

If 3 years ago Jennifer was 22 years old, how old is

Sub 505 Level | Word Problems

Sub 505 Level | Word Problems hide tags

Bunuel

20 Mar 2016, 23:42

7

4

5,819

by: bumpbot

14 Apr 2024, 07:31

ER

Are the numbers k/4, z/3, and r/2 in increasing order?

655-705 Level | Inequalities, Number Properties

655-705 Level | Inequalities, Number Properties hide tags

Bunuel

15 Dec 2014, 08:50

10

4

5,820

by: bumpbot

16 Jan 2024, 06:37

ER

In the diagram below, if angle BAC is a right angle,

805+ Level | Geometry

805+ Level | Geometry hide tags

LighthousePrep

19 Nov 2014, 16:28

31

3

5,821

by: JeffTargetTestPrep

23 Jul 2023, 06:07

ER

If n is a positive integer, what is the remainder when

605-655 Level | Remainders

605-655 Level | Remainders hide tags

Bunuel

19 May 2019, 23:19

12

8

5,823

by: bumpbot

14 Jun 2023, 19:40

ER

If n is a positive integer, is 30 a factor of n ? (1)

505-555 Level | Divisibility/Multiples/Factors

505-555 Level | Divisibility/Multiples/Factors hide tags

LM

26 Jan 2012, 06:38

6

3

5,827

by: Bunuel

05 Jan 2013, 03:35

ER

A train runs over a straight route from town A to town

705-805 Level | Distance Problems

705-805 Level | Distance Problems hide tags

Bunuel

11 Sep 2015, 01:53

66

12

5,828

by: bumpbot

05 Nov 2022, 08:40

ER

Is the perimeter of a triangle greater than 30?

605-655 Level | Geometry

605-655 Level | Geometry hide tags

Bunuel

08 Jan 2020, 02:15

22

12

5,828

by: bumpbot

29 Nov 2022, 04:15

ER

What is the area of quadrilateral ABCD?

555-605 Level | Geometry

555-605 Level | Geometry hide tags

joylive

24 Nov 2012, 09:14

14

6

5,833

by: CEdward

22 Mar 2021, 11:40

ER

In the figure above, two rectangular solids share a

605-655 Level | Arithmetic, Geometry

605-655 Level | Arithmetic, Geometry hide tags

jkbk1732

24 May 2020, 08:38

20

2

5,833

by: bumpbot

12 Aug 2022, 09:14

ER

A teacher distributed few pens and few pencils evenly

655-705 Level | Word Problems

655-705 Level | Word Problems hide tags

Bunuel

28 Jul 2017, 01:39

9

2

5,836

by: hellosanthosh2k2

23 Apr 2018, 12:31

ER

In the figure above, the center of the circle is O,

605-655 Level | Geometry

605-655 Level | Geometry hide tags

CAMANISHPARMAR

14 Jul 2018, 08:25

18

5

5,838

by: bumpbot

25 Jan 2024, 01:10

ER

If x, y, and z are positive integers, is y > x?

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

Bunuel

28 Jul 2015, 00:50

14

10

5,845

by: bumpbot

08 Jan 2022, 09:36

ER

A certain student sold exactly 40% of all the tickets

655-705 Level | Word Problems

655-705 Level | Word Problems hide tags

AnkitK

15 Jun 2011, 11:26

14

5,846

by: bumpbot

18 Apr 2024, 10:27

ER

Is xy an integer?

555-605 Level | Geometry

555-605 Level | Geometry hide tags

Bunuel

30 Apr 2015, 04:06

17

6

5,848

by: adityasuresh

15 Mar 2023, 08:12

ER

If set N contains only consecutive positive integers,

555-605 Level | Statistics and Sets Problems

555-605 Level | Statistics and Sets Problems hide tags

christoph

06 Nov 2005, 10:32

18

12

5,849

by: bumpbot

16 Jan 2022, 00:01

ER

Is 10m > 5n - k?

555-605 Level | Absolute Values, Inequalities

555-605 Level | Absolute Values, Inequalities hide tags

Bunuel

07 Mar 2016, 08:57

19

7

5,849

by: bumpbot

09 Nov 2022, 03:26

Data Sufficiency (DS)