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100 Hardest and easiest questions for PS as of April

655-705 Level

655-705 Level hide tags

1, 2

Bunuel

21 Aug 2015, 03:49

970

22

256,866

by: bb

30 Mar 2024, 10:13

ER

GMAT PS Question Directory by Topic & Difficulty

505-555 Level +6 tags

505-555 Level, 555-605 Level, 605-655 Level, 655-705 Level, 705-805 Level, 805+ Level, Sub 505 Level hide tags

bb

22 Feb 2012, 11:27

2,848

0

1,180,311

by: bb

22 Feb 2012, 11:27

ER

Problem Solving Butler: 2 Questions Every Day

655-705 Level

655-705 Level hide tags

Bunuel

06 Nov 2018, 04:19

349

18

130,145

by: Bunuel

17 May 2024, 01:38

ER

Complete 1000 GMAT Problem Solving Series (PS-1000

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

505-555 Level, 555-605 Level, 655-705 Level hide tags

Bunuel

03 Dec 2022, 14:23

67

7

33,135

by: Bunuel

06 Apr 2024, 02:26

ER

Between 1990 and 2000, the number of Americans aged 45

605-655 Level | Percent and Interest Problems

605-655 Level | Percent and Interest Problems hide tags

deoljasms

28 Jan 2013, 13:31

37

10

9,785

by: bumpbot

18 May 2024, 08:32

ER

In an apartment complex, the number of people aged 51

705-805 Level | Word Problems

705-805 Level | Word Problems hide tags

nick1816

30 May 2019, 12:53

13

4

3,755

by: Kinshook

18 May 2024, 08:04

ER

A book dealer buys used books for prices ranging from

Sub 505 Level | Word Problems

Sub 505 Level | Word Problems hide tags

Bunuel

22 May 2020, 08:38

11

8

4,887

by: DanTheGMATMan

18 May 2024, 07:59

ER

If the sum of a set of ten different positive prime

Sub 505 Level | Number Properties

Sub 505 Level | Number Properties hide tags

grotten

23 May 2013, 08:33

15

6

8,696

by: DanTheGMATMan

18 May 2024, 07:51

ER

If [x] is defined as x^2 – 1 for all integers x,

505-555 Level | Functions and Custom Characters

505-555 Level | Functions and Custom Characters hide tags

Bunuel

22 May 2020, 08:17

12

6

8,701

by: DanTheGMATMan

18 May 2024, 07:45

ER

If (a + 1/a)^2 = 3, find the value of a^3 + 1/a^3

655-705 Level | Algebra

655-705 Level | Algebra hide tags

Bunuel

04 Dec 2019, 01:41

17

8

12,114

by: Regor60

18 May 2024, 07:05

ER

If a, b, c, and d are four different positive integers

655-705 Level | Min-Max Problems, Number Properties

655-705 Level | Min-Max Problems, Number Properties hide tags

DisciplinedPrep

09 Sep 2019, 23:05

11

4

6,056

by: Regor60

18 May 2024, 06:46

ER

A certain list has 5 entries and each entries is an

655-705 Level | Statistics and Sets Problems

655-705 Level | Statistics and Sets Problems hide tags

Bunuel

23 Nov 2022, 11:30

3

4

1,516

by: bumpbot

18 May 2024, 05:16

ER

Rectangle ABCD is constructed in the coordinate plane

705-805 Level | Combinations, Coordinate Geometry

705-805 Level | Combinations, Coordinate Geometry hide tags

Archit143

11 Nov 2012, 16:58

117

11

15,848

by: mollyweasley

18 May 2024, 04:56

ER

If m < n < 0, x = m^2 + n^2, and y = 2mn, what

505-555 Level | Algebra

505-555 Level | Algebra hide tags

Bunuel

31 Oct 2022, 02:14

9

4

1,053

by: bumpbot

18 May 2024, 04:51

ER

How many three-digit numbers are not divisible by 5,

705-805 Level | Divisibility/Multiples/Factors

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

Bunuel

23 Apr 2019, 01:44

8

4

4,528

by: bumpbot

18 May 2024, 04:28

ER

If 6 < 2x - 4 < 12, which of the following could

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

Bunuel

15 Jul 2021, 05:45

4

5

3,892

by: bumpbot

18 May 2024, 04:24

ER

4(xy)^3 + (x^3 − y^3)^2 =

505-555 Level | Algebra

505-555 Level | Algebra hide tags

Bunuel

01 Jun 2017, 12:00

7

10

4,840

by: bumpbot

18 May 2024, 04:11

ER

When they work alone, B needs 25% more time to ﬁnish

655-705 Level | Work Problems

655-705 Level | Work Problems hide tags

Bunuel

03 Apr 2020, 06:29

26

4

10,159

by: Greg1234

18 May 2024, 03:55

ER

Two positive numbers differ by 12 and their

505-555 Level | Algebra

505-555 Level | Algebra hide tags

Bunuel

17 Nov 2014, 12:31

63

10

12,263

by: bumpbot

18 May 2024, 02:57

ER

If an integer n is selected at random from 21 to 100

805+ Level | Divisibility/Multiples/Factors, Probability

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

Bunuel

06 Feb 2023, 07:51

26

3

3,289

by: bumpbot

18 May 2024, 01:46

ER

The ratio of cats to dogs to birds to fish is

505-555 Level | Arithmetic

505-555 Level | Arithmetic hide tags

enigma123

14 Dec 2013, 14:25

52

10

16,893

by: bumpbot

18 May 2024, 01:34

ER

Adam, Bob, and Carol started from the same place and

555-605 Level | Distance Problems, Word Problems

555-605 Level | Distance Problems, Word Problems hide tags

DisciplinedPrep

06 Jun 2019, 18:43

10

3

1,499

by: bumpbot

18 May 2024, 01:25

ER

The set S has 36 different subsets each of which

705-805 Level | Combinations

705-805 Level | Combinations hide tags

satsymbol

17 Aug 2014, 23:44

45

11

12,397

by: bumpbot

18 May 2024, 01:01

ER

A strain of bacteria multiplies such that the ratio of

705-805 Level | Sequences

705-805 Level | Sequences hide tags

TheSituation

19 Feb 2010, 20:44

108

16

15,752

by: Mehakgyl

18 May 2024, 00:05

ER

{an} is a sequence satisfying an+2 = an+1 + an. If a1

555-605 Level | Sequences

555-605 Level | Sequences hide tags

MathRevolution

30 Jan 2019, 02:24

10

3

5,638

by: bumpbot

17 May 2024, 23:45

ER

693 and n have the same prime factors and n is a

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

MathRevolution

28 Jun 2018, 03:37

6

1,480

by: bumpbot

17 May 2024, 22:48

ER

If -8 ≤ a ≤ 1 and -5 ≤ b ≤ 10. Find the sum of

655-705 Level | Absolute Values +2 tags

655-705 Level | Absolute Values, Inequalities, Min-Max Problems hide tags

CareerGeek

10 Jun 2019, 11:07

21

5

3,268

by: BrushMyQuant

17 May 2024, 22:00

ER

If the number of square units in the area of circle С

555-605 Level | Geometry

555-605 Level | Geometry hide tags

banksy

09 Mar 2011, 08:16

10

3

11,173

by: bumpbot

17 May 2024, 18:56

ER

A sequence S is defined as follows: Sn = S(n+1) +

555-605 Level | Sequences

555-605 Level | Sequences hide tags

Bunuel

30 Mar 2021, 07:00

4

3

2,095

by: bumpbot

17 May 2024, 17:10

ER

How many numbers between 0 and 1670 have a prime tens

605-655 Level | Combinations

605-655 Level | Combinations hide tags

1, 2

galiya

09 Feb 2012, 13:23

106

20

20,181

by: bumpbot

17 May 2024, 16:17

ER

Bag A contains 3 white and 3 red marbles. Bag B

655-705 Level | Probability

655-705 Level | Probability hide tags

Bunuel

02 Jul 2021, 07:45

18

5

6,195

by: sayan640

17 May 2024, 14:30

ER

If 100! = 100 x 99 x…x 2 x 1 can be written as

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

MathRevolution

31 Jan 2020, 02:50

14

8

3,152

by: gmatchile1

17 May 2024, 13:26

ER

A restaurant buys fruit in cans containing 3 1/2 cups

505-555 Level | Fractions/Ratios/Decimals

505-555 Level | Fractions/Ratios/Decimals hide tags

bimalr9

10 Jun 2016, 04:44

80

14

19,935

by: bumpbot

17 May 2024, 12:37

ER

How many even numbers of 4 digits can be formed using

705-805 Level | Combinations

705-805 Level | Combinations hide tags

Bunuel

01 Feb 2022, 04:00

2

3

1,757

by: bumpbot

17 May 2024, 12:27

ER

BurgerTown offers many options for customizing a

705-805 Level | Combinations

705-805 Level | Combinations hide tags

Bunuel

03 Mar 2022, 06:45

16

4

8,112

by: sayan640

17 May 2024, 12:19

ER

This year Henry will save a certain amount of his

805+ Level | Fractions/Ratios/Decimals, Word Problems

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

1, 2

udaymathapati

12 Sep 2010, 07:21

824

23

65,723

by: Vordhosbn

17 May 2024, 11:53

ER

Last year a company produced millions of widgets each

705-805 Level | Arithmetic, Fractions/Ratios/Decimals

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

gmatophobia

07 Dec 2023, 00:37

29

6

3,552

by: Oppenheimer1945

17 May 2024, 11:21

ER

When a certain rubber ball is dropped, it rebounds 75

705-805 Level | Word Problems

705-805 Level | Word Problems hide tags

yrozenblum

14 Oct 2023, 11:10

40

8

4,484

by: Fish181

17 May 2024, 10:23

ER

What is the product of all the solutions of (x + 2)^2

705-805 Level | Absolute Values, Algebra

705-805 Level | Absolute Values, Algebra hide tags

1, 2

Bunuel

07 Aug 2023, 09:00

128

22

12,910

by: sanjanagupta27

17 May 2024, 10:21

ER

If k is an integer and 10^(k - 1) < 0.000125 <

655-705 Level | Exponents, Inequalities

655-705 Level | Exponents, Inequalities hide tags

Bunuel

13 Aug 2023, 09:00

87

11

9,239

by: DanTheGMATMan

17 May 2024, 09:59

ER

A string of n lightbulbs is wired in such a way that

655-705 Level | Probability

655-705 Level | Probability hide tags

Bunuel

05 Jan 2023, 01:50

10

2

1,238

by: bumpbot

17 May 2024, 09:40

Find the number of ways in which 5 boys and 5 girls

605-655 Level | Combinations

605-655 Level | Combinations hide tags

Pranjall8

17 May 2024, 04:59

2

3

165

by: unraveled

17 May 2024, 09:20

ER

The value of a diamond varies directly as the square

505-555 Level | Algebra, Word Problems

505-555 Level | Algebra, Word Problems hide tags

Bunuel

16 Jan 2020, 04:31

2

4

2,430

by: bumpbot

17 May 2024, 08:58

ER

Right Way house painting charges its customers

505-555 Level | Work Problems

505-555 Level | Work Problems hide tags

MasteringGMAT

29 Jun 2023, 01:04

30

4

5,141

by: DanTheGMATMan

17 May 2024, 08:49

ER

A man can row at a speed of 5 km/hr in still water. If

605-655 Level | Distance Problems

605-655 Level | Distance Problems hide tags

Bunuel

29 Jan 2019, 05:56

15

8

10,619

by: bumpbot

17 May 2024, 08:11

ER

In the list above, if n is an integer between 1 and

Sub 505 Level | Statistics and Sets Problems

Sub 505 Level | Statistics and Sets Problems hide tags

Bunuel

16 Sep 2018, 22:28

21

7

11,967

by: demawtf

17 May 2024, 07:14

ER

The average of a set of five distinct prime numbers is

705-805 Level | Number Properties, Statistics and Sets Problems

705-805 Level | Number Properties, Statistics and Sets Problems hide tags

Bunuel

08 May 2019, 01:53

3

8

2,702

by: bumpbot

17 May 2024, 06:28

ER

2^m+2019 = |n-2020|+n-2020, where m and n are

705-805 Level | Absolute Values

705-805 Level | Absolute Values hide tags

nick1816

19 Apr 2020, 03:50

19

5

1,875

by: bumpbot

17 May 2024, 05:48

ER

A bus stop is served by express buses, which run every

805+ Level | Probability

805+ Level | Probability hide tags

1, 2

neelesh

27 Jan 2008, 19:35

45

25

6,627

by: Rebaz

17 May 2024, 05:43

ER

1/2^10 + 1/2^11 + 1/2^12 + 1/2^12

505-555 Level | Algebra, Exponents

505-555 Level | Algebra, Exponents hide tags

Bunuel

22 May 2020, 08:46

35

6

7,610

by: DanTheGMATMan

17 May 2024, 05:42

ER

Which of the following sets includes ALL of the

805+ Level | Absolute Values

805+ Level | Absolute Values hide tags

1, 2

imhimanshu

17 Sep 2012, 07:29

256

33

27,672

by: devashish2407

17 May 2024, 05:36

ER

On a scale that measures the intensity of a certain

555-605 Level | Exponents, Number Properties

555-605 Level | Exponents, Number Properties hide tags

mydreammba

14 Jan 2012, 03:06

533

13

58,490

by: bumpbot

17 May 2024, 05:35

Problem Solving (PS)