GMAT Club Forum

ER

100 Hardest and easiest questions for DS as of April

Bunuel

21 Aug 2015, 03:42

774

19

162,123

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

448,270

by: bb

07 Mar 2012, 08:58

ER

Is the positive integer x odd?

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Bunuel

21 Oct 2014, 09:10

13

5

9,116

by: bumpbot

19 Aug 2023, 03:18

ER

Is |xy| = 6? (1) (x - 2)(y + 3) = 0 (2) y = 3

655-705 Level | Absolute Values, Algebra

655-705 Level | Absolute Values, Algebra hide tags

TheUltimateWinner

30 Mar 2021, 10:55

3

2

1,518

by: chetan2u

19 Aug 2023, 04:53

ER

If x is an integer, can the number

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Marcab

02 Nov 2012, 23:40

56

15

13,394

by: bumpbot

19 Aug 2023, 05:45

ER

If a and b are positive integers, is a/b < 9/11 ?

555-605 Level | Fractions/Ratios/Decimals, Inequalities

555-605 Level | Fractions/Ratios/Decimals, Inequalities hide tags

1, 2

Bunuel

21 Oct 2015, 21:46

427

25

59,765

by: Bunuel

19 Aug 2023, 05:47

ER

If bc ≠ 0, what is the value of (a^2 - b^2 - c^2)/bc?

805+ Level | Absolute Values, Algebra

805+ Level | Absolute Values, Algebra hide tags

Bunuel

05 Jun 2015, 06:23

44

8

6,535

by: bumpbot

19 Aug 2023, 06:06

ER

Circle O is inscribed in equilateral triangle ABC,

605-655 Level | Geometry

605-655 Level | Geometry hide tags

Hussain15

26 Jun 2010, 07:52

78

19

16,234

by: bumpbot

19 Aug 2023, 06:13

ER

If x is positive, what is the value of |x – 3| –

805+ Level | Absolute Values, Inequalities

805+ Level | Absolute Values, Inequalities hide tags

emmak

27 Apr 2013, 22:59

96

14

14,038

by: bumpbot

19 Aug 2023, 06:17

ER

A certain bread recipe calls for wheat, white flour,

605-655 Level | Fractions/Ratios/Decimals

605-655 Level | Fractions/Ratios/Decimals hide tags

azule45

29 Oct 2010, 11:08

42

5

12,428

by: bumpbot

19 Aug 2023, 08:38

ER

If D is the greatest common divisor of A+7 and N,

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

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

Bunuel

06 Nov 2019, 02:01

13

4

3,199

by: bumpbot

19 Aug 2023, 09:21

ER

If 0 < a < b < c < d, is a/b < 0.25 ?1)

805+ Level | Inequalities

805+ Level | Inequalities hide tags

Russ19

20 Jun 2021, 08:13

8

3

1,385

by: bumpbot

19 Aug 2023, 10:54

ER

List A consists of five distinct integers. Is the

705-805 Level | Statistics and Sets Problems

705-805 Level | Statistics and Sets Problems hide tags

Bunuel

03 Dec 2017, 01:56

25

14

5,409

by: hirakrintu

19 Aug 2023, 12:12

ER

How many prime factors does N have? (1) N is a factor

655-705 Level | Divisibility/Multiples/Factors

655-705 Level | Divisibility/Multiples/Factors hide tags

Bunuel

06 Nov 2019, 02:03

9

3

4,020

by: bumpbot

19 Aug 2023, 17:40

ER

In the xy - plane, at what point does the graph of

705-805 Level | Coordinate Geometry

705-805 Level | Coordinate Geometry hide tags

Kaushik786

11 Mar 2021, 23:21

5

2

1,511

by: bumpbot

19 Aug 2023, 20:29

ER

If the positive integer x is rounded to the nearest

605-655 Level | Remainders

605-655 Level | Remainders hide tags

Bunuel

18 Aug 2023, 01:30

3

1

747

by: chetan2u

19 Aug 2023, 20:41

ER

What is the value of integer z?

655-705 Level | Number Properties, Remainders

655-705 Level | Number Properties, Remainders hide tags

1, 2

Bunuel

20 Sep 2012, 10:00

24

36

7,401

by: bumpbot

19 Aug 2023, 21:49

ER

Is the twelve-digit positive integer a perfect square?

705-805 Level | Number Properties

705-805 Level | Number Properties hide tags

gmatophobia

06 Feb 2022, 22:56

12

3

1,528

by: hirakrintu

20 Aug 2023, 00:07

ER

If x and y are positive even integers, is (40x)^x

805+ Level | Divisibility/Multiples/Factors

805+ Level | Divisibility/Multiples/Factors hide tags

Bunuel

10 Nov 2021, 09:30

3

1,781

by: Muskangupta0223

20 Aug 2023, 00:12

ER

On the coordinate plane is point (0, 0) closer to

805+ Level | Coordinate Geometry

805+ Level | Coordinate Geometry hide tags

arjtryarjtry

28 Aug 2008, 09:27

52

10

8,619

by: bumpbot

20 Aug 2023, 00:35

ER

10 children have ordered a total of 17 hamburgers, and

705-805 Level | Word Problems

705-805 Level | Word Problems hide tags

Bunuel

14 Jan 2021, 01:15

6

9

1,882

by: bumpbot

20 Aug 2023, 00:42

ER

At a farmers market, a florist sells only roses, and

655-705 Level | Algebra, Word Problems

655-705 Level | Algebra, Word Problems hide tags

BillyZ

19 Feb 2017, 23:32

6

5

2,576

by: bumpbot

20 Aug 2023, 01:26

ER

Is pq < 4 ? (1) p^2 + q^2 < 8 (2) p - q < 1

655-705 Level | Inequalities

655-705 Level | Inequalities hide tags

Bunuel

11 Nov 2019, 04:46

9

3

2,217

by: bumpbot

20 Aug 2023, 02:20

ER

If x, y and z are all no-zero numbers, what is the

705-805 Level | Absolute Values, Algebra

705-805 Level | Absolute Values, Algebra hide tags

brockr1

26 Apr 2016, 14:23

22

6

3,538

by: bumpbot

20 Aug 2023, 03:25

ER

At a restaurant, a group of friends ordered four main

805+ Level | Min-Max Problems

805+ Level | Min-Max Problems hide tags

thebigr002

11 Sep 2012, 06:10

138

16

28,907

by: nj23598

20 Aug 2023, 04:22

ER

If x is an integer and 4^x < 100, what is x?

655-705 Level | Exponents, Inequalities

655-705 Level | Exponents, Inequalities hide tags

1, 2

rite2deepti

16 Dec 2010, 04:37

98

21

18,868

by: bumpbot

20 Aug 2023, 06:51

ER

In the figure above, is the shaded region a square

Sub 505 Level | Geometry

Sub 505 Level | Geometry hide tags

Bunuel

26 Apr 2019, 07:26

13

8

8,943

by: bumpbot

20 Aug 2023, 07:23

ER

What is the value of x? (1) x has exactly 3 factors.

605-655 Level | Divisibility/Multiples/Factors, Number Properties

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

shasadou

15 Sep 2015, 00:18

38

9

8,120

by: bumpbot

20 Aug 2023, 08:40

ER

What is the units digit of the number z?

605-655 Level | Number Properties

605-655 Level | Number Properties hide tags

summer101

05 Aug 2013, 05:23

31

8

5,668

by: bumpbot

20 Aug 2023, 08:42

ER

Pat is reading a book that has a total of 15 chapters.

655-705 Level | Algebra, Word Problems

655-705 Level | Algebra, Word Problems hide tags

prude_sb

15 Jan 2007, 21:12

64

12

13,966

by: px96751

20 Aug 2023, 11:19

ER

Is (x + 1)/(x - 3) < 0 ? (1) -1 < x < 1 (2)

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

Lolaergasheva

11 Feb 2011, 02:57

315

18

77,118

by: bumpbot

20 Aug 2023, 16:28

If (x-6)^2 = -|y-5|, what is the value of x + y??

555-605 Level | Absolute Values

555-605 Level | Absolute Values hide tags

Hyeyoung

20 Aug 2023, 20:24

3

1

728

by: gmatophobia

20 Aug 2023, 20:47

ER

What is the cost of 10 burgers and 8 sandwich in

655-705 Level | Algebra +4 tags

655-705 Level | Algebra, Divisibility/Multiples/Factors, Fractions/Ratios/Decimals, Number Properties, Word Problems hide tags

chetan2u

05 Nov 2021, 22:33

5

4

1,645

by: Sonia2023

20 Aug 2023, 21:04

ER

If a and b are positive integers, is a*b even? (1) a +

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Bunuel

17 Aug 2023, 01:30

1

587

by: AryaSwagat

20 Aug 2023, 22:26

ER

If P and Q are positive integers, is P*Q divisible by

555-605 Level | Divisibility/Multiples/Factors

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

Bunuel

17 Aug 2023, 01:30

4

2

786

by: Biswadeep20

20 Aug 2023, 22:42

ER

If x and y are positive integers and y^2 = 9 − x,

705-805 Level | Algebra, Inequalities

705-805 Level | Algebra, Inequalities hide tags

Bunuel

05 Nov 2018, 00:21

8

3

2,366

by: SaquibHGMATWhiz

21 Aug 2023, 00:18

ER

Alberto, Barbara, and Chris each earned money working

705-805 Level | Word Problems

705-805 Level | Word Problems hide tags

Bunuel

20 Jan 2021, 01:15

7

4

1,547

by: bumpbot

21 Aug 2023, 01:26

ER

If P and Q are positive integers, is the product 3P^Q

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Bunuel

30 Nov 2015, 04:22

15

6

4,465

by: bumpbot

21 Aug 2023, 01:37

ER

If x is a prime number, what is the value of x?

605-655 Level | Number Properties

605-655 Level | Number Properties hide tags

Bunuel

21 Aug 2023, 01:30

2

3

746

by: Nabneet

21 Aug 2023, 03:09

ER

If Sarah was 21 years old exactly 5 years ago, how old

Sub 505 Level | Word Problems

Sub 505 Level | Word Problems hide tags

Bunuel

11 Nov 2014, 05:21

14

8

9,288

by: bumpbot

21 Aug 2023, 03:51

ER

The positive integer k has exactly two positive prime

605-655 Level | Divisibility/Multiples/Factors, Number Properties

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

testprep2010

20 Jun 2010, 12:38

119

13

20,018

by: bumpbot

21 Aug 2023, 05:07

ER

At a charity fundraiser, 180 of the guests had a house

605-655 Level | Overlapping Sets

605-655 Level | Overlapping Sets hide tags

calreg11

20 Apr 2012, 17:36

53

19

23,515

by: bumpbot

21 Aug 2023, 07:25

ER

What is the remainder when n + 7 is divided by 8?

555-605 Level | Divisibility/Multiples/Factors

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

Bunuel

14 Jan 2022, 02:30

5

4

1,389

by: bumpbot

21 Aug 2023, 07:50

ER

Three business partners owned 100% of a certain

655-705 Level | Fractions/Ratios/Decimals, Word Problems

655-705 Level | Fractions/Ratios/Decimals, Word Problems hide tags

adarsh12345

02 Nov 2009, 04:02

28

9

15,923

by: bumpbot

21 Aug 2023, 08:13

ER

What is the value of w?

555-605 Level | Algebra, Number Properties

555-605 Level | Algebra, Number Properties hide tags

Bunuel

03 Mar 2020, 04:04

4

4,778

by: bumpbot

21 Aug 2023, 08:15

ER

In a sequence of terms in which each term is three

555-605 Level | Sequences

555-605 Level | Sequences hide tags

mariyea

15 Feb 2011, 08:28

56

13

21,074

by: bumpbot

21 Aug 2023, 08:37

ER

Of the numbers r + s, r - s, r*s, and r/s, which is

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

Jeoren

15 Nov 2016, 13:47

151

6

34,190

by: TheDG

21 Aug 2023, 10:50

In the figure above, what is the length of AC ?

Sub 505 Level | Arithmetic, Geometry

Sub 505 Level | Arithmetic, Geometry hide tags

carcass

31 Oct 2018, 10:04

3

4

4,969

by: bumpbot

21 Aug 2023, 11:38

ER

What is the area of the floor in Dan's rectangular

655-705 Level | Geometry

655-705 Level | Geometry hide tags

Bunuel

20 Dec 2018, 02:28

4

2

3,352

by: bumpbot

21 Aug 2023, 11:45

ER

If m, x and y are non-zero integers, is x + y even?

605-655 Level | Exponents, Number Properties

605-655 Level | Exponents, Number Properties hide tags

Bunuel

21 Aug 2023, 01:30

3

2

622

by: sanchitb23

21 Aug 2023, 12:44

ER

Ashok and Brian are both walking east along the same

805+ Level | Distance Problems

805+ Level | Distance Problems hide tags

1, 2

saintforlife

01 Oct 2013, 08:54

207

20

28,928

by: tasos777btj

21 Aug 2023, 14:29

ER

Is the integer k divisible by 4 ? (1) 8k is divisible

505-555 Level | Divisibility/Multiples/Factors

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

r019h

30 Oct 2007, 20:27

121

6

35,397

by: bumpbot

21 Aug 2023, 17:39

Data Sufficiency (DS)