GMAT Club Forum

ER

100 Hardest and easiest questions for DS as of April

Bunuel

21 Aug 2015, 03:42

774

19

162,127

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

448,280

by: bb

07 Mar 2012, 08:58

ER

When defined, the expression

655-705 Level | Algebra

655-705 Level | Algebra hide tags

fskilnik

03 Mar 2019, 14:28

1

2

1,145

by: fskilnik

03 Mar 2019, 16:28

ER

When f(x)=ax^2+bx+c (a≠0), is x+1 a factor of f(x)?

655-705 Level | Functions and Custom Characters

655-705 Level | Functions and Custom Characters hide tags

MathRevolution

26 Sep 2018, 05:03

20

9

2,926

by: bumpbot

01 Oct 2023, 03:58

When integer A divide by 4 remainder is 1, when

605-655 Level | Divisibility/Multiples/Factors, Remainders

605-655 Level | Divisibility/Multiples/Factors, Remainders hide tags

Harley1980

19 Apr 2015, 08:11

6

4

2,537

by: ManjariMishra

17 May 2019, 10:04

ER

When integer A divide by 79 remainder is X and when

805+ Level | Divisibility/Multiples/Factors, Remainders

805+ Level | Divisibility/Multiples/Factors, Remainders hide tags

1, 2

Harley1980

20 Apr 2015, 23:12

29

22

5,414

by: bumpbot

01 Mar 2019, 16:17

When integer A divide by 9 remainder is X, when

655-705 Level | Remainders

655-705 Level | Remainders hide tags

Harley1980

22 Apr 2015, 02:05

12

5

2,666

by: bumpbot

17 May 2019, 09:28

ER

When integer y is divided by 2, is the remainder 1 ?

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

Bunuel

23 Sep 2022, 05:11

1

810

by: stne

27 Sep 2022, 21:09

ER

When k, l, and m are different positive integers

555-605 Level | Algebra

555-605 Level | Algebra hide tags

Bunuel

28 Jun 2023, 04:00

1

2

715

by: ChandlerBong

28 Jun 2023, 04:27

ER

When line k, expressed by the equation y = mx + b, is

605-655 Level | Coordinate Geometry

605-655 Level | Coordinate Geometry hide tags

Bunuel

07 Feb 2020, 06:14

6

4

3,918

by: bumpbot

17 Feb 2023, 07:40

ER

When n and k are positive integers, what is the

555-605 Level | Divisibility/Multiples/Factors

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

Bunuel

19 Jun 2023, 06:00

3

2

493

by: Archit3110

19 Jun 2023, 08:52

ER

When n is divided by 5, what is the remainder?

555-605 Level | Remainders

555-605 Level | Remainders hide tags

Bunuel

17 May 2023, 03:30

2

627

by: TheBipedalHorse

17 May 2023, 08:47

ER

When n is divided by 9 the remainder is 2. If n is a

605-655 Level | Number Properties

605-655 Level | Number Properties hide tags

nislam

24 Jun 2022, 09:55

3

1,169

by: AmanAngrish

15 Jul 2022, 20:45

ER

When one new number is included in an existing set of

605-655 Level | Statistics and Sets Problems

605-655 Level | Statistics and Sets Problems hide tags

chetan86

12 Sep 2014, 07:24

13

5

6,895

by: bumpbot

16 Nov 2022, 05:02

ER

When one piece of fruit is taken at random from a

555-605 Level | Probability

555-605 Level | Probability hide tags

Bunuel

10 Aug 2022, 15:30

1

1,259

by: rkhosla

10 Aug 2022, 20:09

ER

When opened and lying flat, a birthday card is in the

705-805 Level | Geometry

705-805 Level | Geometry hide tags

gmatt1476

21 Sep 2019, 18:21

140

19

16,376

by: bumpbot

10 Jul 2023, 13:44

ER

When positive integer n is divided by 3, the remainder

705-805 Level | Remainders

705-805 Level | Remainders hide tags

1, 2

priyankurml

16 Mar 2009, 23:28

282

20

70,920

by: bumpbot

17 Nov 2023, 02:28

ER

When positive integer n is divided by 7, the remainder

605-655 Level | Remainders

605-655 Level | Remainders hide tags

Bunuel

06 May 2022, 01:30

4

3

1,607

by: varshas044

11 Oct 2022, 09:24

ER

When positive integer n is divided by 7, the remainder

555-605 Level | Divisibility/Multiples/Factors

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

Bunuel

26 Apr 2022, 01:30

5

1

885

by: zhanbo

26 Apr 2022, 03:46

ER

When positive integer n is divided by 7, the remainder

Sub 505 Level | Remainders

Sub 505 Level | Remainders hide tags

Bunuel

04 May 2022, 01:30

3

1,687

by: mdsaddamforgmat

05 May 2022, 22:19

ER

When positive integer p is divided by 7 the remainder

655-705 Level | Remainders

655-705 Level | Remainders hide tags

xALIx

01 Feb 2009, 13:23

48

16

19,419

by: bumpbot

29 May 2023, 16:36

ER

When positive integer x is divided by 4, how many

555-605 Level | Remainders

555-605 Level | Remainders hide tags

Bunuel

11 Jan 2018, 23:30

1

2

1,560

by: bumpbot

27 Nov 2023, 13:53

ER

When positive integer x is divided by 7 the quotient

705-805 Level | Divisibility/Multiples/Factors

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

1, 2

registerincog

18 Nov 2013, 08:55

42

23

14,092

by: bumpbot

16 Dec 2021, 05:49

ER

When positive integer y is divided by 51, the

605-655 Level | Remainders

605-655 Level | Remainders hide tags

Bunuel

20 Apr 2016, 01:02

19

9

4,484

by: bumpbot

28 Jan 2021, 14:25

ER

When processing iron ore into stainless steel,

Poor Quality

Poor Quality hide tags

rajatchopra1994

06 Nov 2020, 00:29

2

1,411

by: IanStewart

06 Nov 2020, 10:26

ER

When rounded to the nearest hundredths digit, the

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

Bunuel

20 May 2020, 08:42

4

1,652

by: chetan2u

20 May 2020, 20:32

ER

When Sarah visited the Canadian side of Niagara Falls,

655-705 Level | Algebra, Word Problems

655-705 Level | Algebra, Word Problems hide tags

gmat1393

05 Oct 2019, 10:16

1

1,528

by: ccooley

05 Oct 2019, 15:08

ER

When the digits of two-digit, positive integer M are

705-805 Level | Divisibility/Multiples/Factors, Number Properties

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

pratikshr

30 Sep 2014, 06:56

302

17

38,001

by: bumpbot

13 Oct 2022, 03:28

ER

When the lengths of two opposite sides of a square

555-605 Level | Geometry

555-605 Level | Geometry hide tags

Areto

27 Jun 2014, 13:16

13

7

10,262

by: bumpbot

13 May 2023, 14:19

ER

When the members of group A are divided into subgroups

655-705 Level | Word Problems

655-705 Level | Word Problems hide tags

Bunuel

19 Jan 2024, 02:30

1

0

486

by: Bunuel

19 Jan 2024, 02:30

When the positive integer n is divided by 15, the

555-605 Level | Remainders

555-605 Level | Remainders hide tags

VERBAL1

03 Jul 2020, 09:42

4

2

1,823

by: v12345

03 Jul 2020, 19:29

ER

When the positive integer n is divided by 25, the

505-555 Level | Remainders

505-555 Level | Remainders hide tags

combres

15 Sep 2007, 11:19

40

12

20,513

by: Bunuel

04 Oct 2023, 01:02

ER

When the positive integer x is divided by 4, is the

705-805 Level | Remainders

705-805 Level | Remainders hide tags

Bunuel

10 Nov 2014, 07:53

86

13

23,925

by: bumpbot

16 Apr 2024, 00:52

ER

When the positive integer x is divided by the positive

705-805 Level | Fractions/Ratios/Decimals, Word Problems

705-805 Level | Fractions/Ratios/Decimals, Word Problems hide tags

chetan86

09 Jul 2014, 08:01

42

8

7,747

by: Bunuel

02 Mar 2024, 16:24

ER

When the positive number a is rounded to the nearest

705-805 Level | Number Properties

705-805 Level | Number Properties hide tags

frankiegar

19 Sep 2012, 06:11

96

13

23,435

by: bumpbot

03 May 2024, 21:56

When the product of the digits of the two-digit

Sub 505 Level | Number Properties

Sub 505 Level | Number Properties hide tags

BillyZ

02 Feb 2017, 01:21

1

2

1,733

by: eswarchethu135

31 Mar 2019, 06:49

ER

When the wind speed is 9 miles per hour, the

505-555 Level | Functions and Custom Characters, Word Problems

505-555 Level | Functions and Custom Characters, Word Problems hide tags

nalinnair

23 May 2016, 03:35

86

10

20,508

by: pyroabhi

11 Feb 2024, 01:35

ER

When there are consecutive integers and if their range

655-705 Level | Statistics and Sets Problems

655-705 Level | Statistics and Sets Problems hide tags

MathRevolution

29 Feb 2016, 20:39

9

4

3,042

by: bumpbot

07 Dec 2023, 11:55

ER

When tickets to a popular concert went on sale, a

805+ Level | Statistics and Sets Problems, Word Problems

805+ Level | Statistics and Sets Problems, Word Problems hide tags

nidhi12

04 Jun 2014, 05:26

15

4

3,541

by: bumpbot

06 Feb 2019, 10:17

ER

When worker A and worker B work together they produce

505-555 Level | Work Problems

505-555 Level | Work Problems hide tags

ash124

23 Sep 2021, 06:34

4

1,878

by: aishu0091

31 Dec 2021, 06:28

When working together at their constant rates,

505-555 Level | Work Problems

505-555 Level | Work Problems hide tags

philipssonicare

13 Oct 2018, 05:41

2

1

1,708

by: Salsanousi

13 Oct 2018, 06:19

ER

When x + y is integer, is y an integer? (1) x is an

655-705 Level | Number Properties

655-705 Level | Number Properties hide tags

Bunuel

20 Apr 2023, 08:15

1

560

by: stne

21 Apr 2023, 23:44

ER

When x and y are integers, a3b4=c, a=?

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Poor Quality hide tags

MathRevolution

05 Jun 2016, 19:32

1

3

1,571

by: GGMU

19 Jul 2017, 10:16

ER

When x and y are integers, is x + y an even?

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Bunuel

13 Sep 2023, 05:00

2

1

483

by: nasgmatbag

14 Sep 2023, 05:55

ER

When x is divided by 3, the remainder is 2, and when y

805+ Level | Remainders

805+ Level | Remainders hide tags

Bunuel

27 Apr 2016, 00:06

15

9

7,504

by: bumpbot

02 Apr 2023, 09:27

ER

When Y is divided by 2, is the remainder 1?

555-605 Level | Number Properties, Remainders

555-605 Level | Number Properties, Remainders hide tags

ashwink

16 Mar 2017, 07:13

12

3

4,791

by: Deepakjhamb

09 Dec 2020, 10:13

ER

When y^2 is divided by 6, the remainder is r. What is

555-605 Level | Remainders

555-605 Level | Remainders hide tags

Bunuel

02 Dec 2019, 01:28

11

2

1,927

by: bumpbot

23 Aug 2022, 04:58

ER

Whenever Hattie has a restaurant bill with an amount

705-805 Level | Percent and Interest Problems, Word Problems

705-805 Level | Percent and Interest Problems, Word Problems hide tags

Hoozan

09 Feb 2021, 12:16

3

1

1,495

by: aeron1212

25 Feb 2021, 20:45

ER

Whenever martin has a restaurant bill with an amount

655-705 Level | Percent and Interest Problems, Word Problems

655-705 Level | Percent and Interest Problems, Word Problems hide tags

GMATD11

12 Feb 2011, 13:48

171

19

37,463

by: bumpbot

08 Apr 2024, 11:11

ER

Whenever Sally takes a cab and the fare is between $15

605-655 Level | Percent and Interest Problems

605-655 Level | Percent and Interest Problems hide tags

SoniaSaini

27 Jan 2011, 09:30

16

6

7,785

by: bumpbot

10 Feb 2021, 02:08

ER

Whenever Tom pays an amount of 2-digit integer in a

705-805 Level | Percent and Interest Problems, Word Problems

705-805 Level | Percent and Interest Problems, Word Problems hide tags

dabaobao

30 Mar 2019, 11:50

8

6

2,845

by: bumpbot

22 Jul 2023, 21:20

ER

Where is the center of a circle on the xy plane?

655-705 Level | Coordinate Geometry, Geometry

655-705 Level | Coordinate Geometry, Geometry hide tags

Bunuel

31 Jan 2016, 08:26

15

5

2,814

by: bumpbot

27 Nov 2019, 05:32

Data Sufficiency (DS)