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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

973

22

257,552

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

2,853

0

1,181,897

by: bb

22 Feb 2012, 11:27

Baltimore native Michael Phelps needs a display to

705-805 Level | Combinations

705-805 Level | Combinations hide tags

HarryGeorge

14 Apr 2023, 23:57

4

1,835

by: maths1235678

29 Apr 2023, 00:17

ER

The members of an association decided to contribute

705-805 Level | Word Problems

705-805 Level | Word Problems hide tags

Bunuel

08 Dec 2021, 08:45

2

1,835

by: bumpbot

24 Apr 2023, 14:32

ER

The population of City X in 1999 was r percent greater

555-605 Level | Percent and Interest Problems

555-605 Level | Percent and Interest Problems hide tags

Bunuel

22 Feb 2023, 01:42

2

1,835

by: NoraUnoSama

26 Feb 2023, 03:54

ER

In a certain contest, Fred must select any 3 of 5

Sub 505 Level | Combinations

Sub 505 Level | Combinations hide tags

Bunuel

01 Dec 2022, 10:52

6

1,835

by: dream04

05 Dec 2022, 11:09

ER

Find the least possible value of y when y = x^2 - 12x

555-605 Level | Algebra

555-605 Level | Algebra hide tags

Hoozan

21 Jan 2021, 04:18

3

1,835

by: MathRevolution

22 Oct 2021, 23:49

ER

A triangle has sides 4, 7, and x. Which of the

Sub 505 Level | Geometry

Sub 505 Level | Geometry hide tags

Bunuel

22 Jul 2021, 08:00

1

1,835

by: Showmeyaa

22 Jul 2021, 12:35

ER

Simplify (x*(x*(x*x^(1/2)))^(1/3))^(1/3))^(1/3)

605-655 Level | Roots

605-655 Level | Roots hide tags

Bunuel

19 Mar 2019, 02:17

12

3

1,835

by: bumpbot

06 Jan 2021, 03:24

ER

If 2x = 2y + 1, then which one of the following is

505-555 Level | Algebra

505-555 Level | Algebra hide tags

Bunuel

07 Apr 2019, 21:51

4

1,835

by: bumpbot

03 Jun 2020, 19:05

ER

If a is even, b is odd, and a^2 + b^2 = x which of

Sub 505 Level | Number Properties

Sub 505 Level | Number Properties hide tags

Sajjad1994

05 Feb 2020, 09:49

4

6

1,835

by: Kinshook

09 Feb 2020, 08:21

ER

If w + 2x = 150, 2w + 3y = 100, and x + 3z = 50, what

505-555 Level | Algebra

505-555 Level | Algebra hide tags

Bunuel

05 Nov 2018, 01:10

6

5

1,835

by: ScottTargetTestPrep

14 Mar 2019, 17:10

ER

81/(81/16)

Sub 505 Level | Roots

Sub 505 Level | Roots hide tags

Bunuel

01 Feb 2017, 10:31

1

2

1,835

by: JeffTargetTestPrep

08 Feb 2017, 11:26

ER

Three numbers are in the ratio 3:4:5. The sum of the

555-605 Level | Algebra

555-605 Level | Algebra hide tags

Bunuel

09 May 2022, 05:15

4

7

1,836

by: bumpbot

26 Apr 2024, 19:16

ER

At a crafts supply store, the price of a type of

605-655 Level | Algebra, Word Problems

605-655 Level | Algebra, Word Problems hide tags

Bunuel

05 Feb 2019, 03:39

7

3

1,836

by: bumpbot

26 Sep 2023, 22:11

ER

The members of a chess club took part in a round robin

805+ Level | Combinations

805+ Level | Combinations hide tags

Bunuel

11 Feb 2021, 10:00

13

2

1,836

by: bumpbot

16 Mar 2023, 04:26

ER

In a mixture of nuts, the ratio of almonds to cashews

505-555 Level | Mixture Problems

505-555 Level | Mixture Problems hide tags

Bunuel

14 Apr 2022, 03:30

1

1,836

by: thkkrpratik

14 Apr 2022, 03:36

ER

If O is the center of the circle shown above and

505-555 Level | Geometry

505-555 Level | Geometry hide tags

Bunuel

17 May 2021, 03:15

10

1,836

by: yashikaaggarwal

12 Jun 2021, 04:48

ER

If |x| ≠ 1/2, then (4x^2 - 1)/(2x + 1) - (4x^2 -

555-605 Level | Algebra

555-605 Level | Algebra hide tags

Bunuel

24 Jul 2019, 02:45

4

1,836

by: philipssonicare

01 Mar 2021, 02:52

ER

A musical instrument depreciates by 20% of its value

Sub 505 Level | Percent and Interest Problems, Word Problems

Sub 505 Level | Percent and Interest Problems, Word Problems hide tags

Bunuel

17 Dec 2020, 04:45

6

1,836

by: ScottTargetTestPrep

20 Dec 2020, 04:48

ER

Jack purchased a phone for $1,500 and paid tax at the

605-655 Level | Percent and Interest Problems

605-655 Level | Percent and Interest Problems hide tags

Bunuel

24 Sep 2018, 01:37

2

1,836

by: stne

08 Nov 2018, 09:30

ER

In what ratio, solution X which contains 50% milk and

505-555 Level | Mixture Problems

505-555 Level | Mixture Problems hide tags

Bunuel

17 Jun 2021, 06:15

5

3

1,837

by: bumpbot

25 Nov 2023, 03:59

ER

How many times will minute hand and hour hand

705-805 Level | Geometry, Word Problems

705-805 Level | Geometry, Word Problems hide tags

Bunuel

15 Jun 2022, 14:15

5

1,837

by: KarishmaB

07 Aug 2023, 23:06

ER

In the figure above, the perimeter of triangle I is 16

705-805 Level | Geometry

705-805 Level | Geometry hide tags

Bunuel

20 Jul 2021, 08:45

4

6

1,837

by: MathRevolution

21 Jul 2021, 06:48

ER

If a and n are integers, and a^2 = 24n, then n must be

605-655 Level | Divisibility/Multiples/Factors

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

Bunuel

07 May 2021, 02:45

3

2

1,837

by: Bunuel

08 May 2021, 07:30

ER

If (5^4 - 1)/n is an integer an n is an integer, then

Sub 505 Level | Algebra, Divisibility/Multiples/Factors

Sub 505 Level | Algebra, Divisibility/Multiples/Factors hide tags

Bunuel

16 May 2018, 04:40

1

7

1,837

by: EgmatQuantExpert

18 May 2018, 22:07

ER

While on a family vacation in a national park, Carson,

605-655 Level | Geometry

605-655 Level | Geometry hide tags

Bunuel

23 Apr 2018, 23:50

1

4

1,837

by: push12345

10 May 2018, 21:35

ER

A motorcycle messenger leaves his home base and

505-555 Level | Distance Problems

505-555 Level | Distance Problems hide tags

Bunuel

28 Mar 2017, 02:50

3

5

1,837

by: generis

26 Apr 2017, 14:03

ER

The cost of producing a certain machine is directly

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

Bunuel

18 Dec 2020, 04:30

6

4

1,838

by: bumpbot

01 Feb 2023, 20:43

ER

The area of square ABCD above is 18. The shaded region

Sub 505 Level | Geometry

Sub 505 Level | Geometry hide tags

Bunuel

29 Apr 2021, 01:30

5

7

1,838

by: bumpbot

26 Nov 2022, 04:04

ER

If the probabilities that three students A, B and C

555-605 Level | Probability

555-605 Level | Probability hide tags

Bunuel

02 Mar 2021, 04:30

5

2

1,838

by: bumpbot

09 Jul 2022, 23:52

ER

A student's average (arithmetic mean) test score on 4

Sub 505 Level | Statistics and Sets Problems

Sub 505 Level | Statistics and Sets Problems hide tags

Bunuel

13 Aug 2019, 02:54

1

2

1,838

by: firas92

13 Aug 2019, 03:08

ER

In the diagram, ℓ1 is parallel to ℓ2. The measure

505-555 Level | Geometry

505-555 Level | Geometry hide tags

Bunuel

21 Dec 2018, 02:48

2

1,838

by: EgmatQuantExpert

21 Dec 2018, 05:40

ER

Harold can complete a question every 1.5 minutes. If

Sub 505 Level | Work Problems

Sub 505 Level | Work Problems hide tags

Bunuel

14 Mar 2017, 23:07

1

8

1,838

by: kapstone1996

14 Dec 2018, 11:17

ER

A merchant sells only two brands of cakes, brand X and

505-555 Level | Percent and Interest Problems

505-555 Level | Percent and Interest Problems hide tags

Bunuel

24 Sep 2018, 05:41

1

1,838

by: GMATinsight

24 Sep 2018, 19:57

ER

Of the members of the class of 1989 at Amalia

Sub 505 Level | Overlapping Sets

Sub 505 Level | Overlapping Sets hide tags

Bunuel

13 Dec 2016, 07:07

1

5

1,838

by: ScottTargetTestPrep

04 Jul 2017, 08:11

ER

A closed box with a square base is to be wrapped with

705-805 Level | Geometry

705-805 Level | Geometry hide tags

Bunuel

13 May 2019, 23:16

10

3

1,839

by: ThatDudeKnows

25 May 2022, 16:00

ER

For all integers p, f is the number of distinct

555-605 Level | Divisibility/Multiples/Factors

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

Bunuel

31 Jul 2019, 00:03

3

1,839

by: bumpbot

07 Feb 2021, 19:55

ER

The average of 6 numbers is 19. When one of those

Sub 505 Level | Arithmetic, Statistics and Sets Problems

Sub 505 Level | Arithmetic, Statistics and Sets Problems hide tags

Sajjad1994

04 Mar 2020, 05:51

3

5

1,839

by: ScottTargetTestPrep

06 Mar 2020, 08:35

ER

A store normally sells windows at $100 each. This week

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

Noshad

11 Mar 2019, 09:24

3

1,839

by: ScottTargetTestPrep

14 Mar 2019, 07:07

ER

In a circle graph used to represent a budget totaling

Sub 505 Level | Geometry

Sub 505 Level | Geometry hide tags

Bunuel

16 Nov 2017, 01:52

1

4

1,839

by: ScottTargetTestPrep

17 Nov 2017, 14:27

ER

The dial shown is divided into equal-sized segments.

605-655 Level | Remainders

605-655 Level | Remainders hide tags

Bunuel

28 Feb 2023, 08:15

8

5

1,840

by: DmitryFarber

04 May 2024, 16:37

ER

Three boys can do the same work as one woman. If a

555-605 Level | Work Problems

555-605 Level | Work Problems hide tags

Bunuel

09 Jun 2021, 05:15

6

3

1,840

by: bumpbot

10 Oct 2023, 10:55

ER

If 9^y = 18 and 18^x = 27, what is the value of xy?

555-605 Level | Exponents

555-605 Level | Exponents hide tags

Russ19

17 Feb 2020, 19:36

15

4

1,840

by: bumpbot

14 May 2023, 13:17

ER

If there are 6 more girls than boys in a room, and

505-555 Level | Word Problems

505-555 Level | Word Problems hide tags

Bunuel

13 Sep 2021, 02:23

3

4

1,840

by: KarishmaB

14 Sep 2021, 22:38

ER

The sum of the reciprocal of the ages of two sisters

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

Bunuel

18 Nov 2020, 04:03

1

2

1,840

by: ananya3

18 Nov 2020, 21:47

ER

A country club has 230 members, 60 of whom play

Sub 505 Level | Overlapping Sets

Sub 505 Level | Overlapping Sets hide tags

Bunuel

08 May 2019, 02:31

2

1,840

by: ScottTargetTestPrep

10 May 2019, 17:43

ER

If n is an integer, which of the following must be an

505-555 Level | Must or Could be True Questions, Number Properties

505-555 Level | Must or Could be True Questions, Number Properties hide tags

Bunuel

31 Dec 2022, 04:16

2

4

1,841

by: Abhishek009

26 Jan 2024, 22:08

Mr. Absent Minded instead of marking up the cost price

655-705 Level | Arithmetic +2 tags

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

Suraj0184

30 Jul 2022, 21:35

8

3

1,841

by: bumpbot

16 Oct 2023, 01:00

In a certain population of microbes in a petri dish,

705-805 Level | Arithmetic

705-805 Level | Arithmetic hide tags

GMATUser1928843

21 Jul 2022, 14:04

10

2

1,841

by: bumpbot

05 Oct 2023, 19:50

ER

In a group of 80 students, 24 are enrolled in

505-555 Level | Probability

505-555 Level | Probability hide tags

Bunuel

14 Sep 2021, 05:45

2

3

1,841

by: bumpbot

01 Jun 2023, 14:47

ER

Number of 7 digit numbers the sum of whose digits is

605-655 Level | Combinations

605-655 Level | Combinations hide tags

Bunuel

11 Feb 2021, 04:30

5

2

1,841

by: bumpbot

06 Mar 2023, 23:51

Problem Solving (PS)