GMAT Club Forum

ER

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

257,537

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

1,181,827

by: bb

22 Feb 2012, 11:27

ER

Tube 1 drops 2 marbles per minute starting at 8:05.

555-605 Level | Arithmetic, Work Problems

555-605 Level | Arithmetic, Work Problems hide tags

duahsolo

23 Feb 2017, 16:37

8

9

3,038

by: bumpbot

27 Apr 2022, 03:22

ER

What is the remainder when the number 14^2 * 15^8 is

505-555 Level | Number Properties, Remainders

505-555 Level | Number Properties, Remainders hide tags

duahsolo

23 Aug 2016, 13:26

10

4

3,058

by: bumpbot

23 Mar 2023, 11:46

ER

If x = a!, which of the following values of a is the

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

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

duahsolo

07 Sep 2016, 10:25

41

12

6,955

by: bumpbot

18 Jul 2023, 01:54

ER

John works twice as fast as Peter, but John takes a

805+ Level | Work Problems

805+ Level | Work Problems hide tags

duahsolo

31 May 2017, 07:46

19

4

2,822

by: bumpbot

18 Jul 2023, 16:21

ER

In a given finance lecture, 30% of the students are

605-655 Level | Overlapping Sets

605-655 Level | Overlapping Sets hide tags

duahsolo

25 Oct 2016, 09:32

56

7

6,029

by: bumpbot

23 Jul 2023, 04:43

ER

If x = (y)(y + 1) and y is a prime number less than

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

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

duahsolo

09 Aug 2016, 09:33

49

15

6,583

by: Kinshook

02 Aug 2023, 07:39

ER

If {x} is the product of all even integers from 1 to x

655-705 Level | Divisibility/Multiples/Factors +2 tags

655-705 Level | Divisibility/Multiples/Factors, Functions and Custom Characters, Number Properties hide tags

duahsolo

25 Oct 2016, 17:11

26

8

6,057

by: Masterof1

29 Sep 2023, 01:11

ER

A certain road trip was completed in two parts

555-605 Level | Distance Problems

555-605 Level | Distance Problems hide tags

duahsolo

02 Feb 2017, 07:25

34

7

5,678

by: LucienH

01 Oct 2023, 11:48

ER

A new beverage, which is a mixture of grape juice and

655-705 Level | Mixture Problems

655-705 Level | Mixture Problems hide tags

1, 2

duahsolo

30 Sep 2016, 06:20

46

20

6,667

by: youcouldsailaway

30 Dec 2023, 04:28

ER

Of the 350 members in the local carpenters union, 190

805+ Level | Overlapping Sets

805+ Level | Overlapping Sets hide tags

duahsolo

02 Feb 2017, 09:02

10

2,261

by: bumpbot

19 Apr 2024, 23:24

ER

If the chance of pulling two cards from a stack of

655-705 Level | Probability, Word Problems

655-705 Level | Probability, Word Problems hide tags

duahsolo

10 Feb 2017, 03:07

15

8

2,133

by: SirSanguine

30 Apr 2024, 03:10

ER

There are three blue marbles, three red marbles, and

705-805 Level | Probability

705-805 Level | Probability hide tags

duahsolo

08 Feb 2017, 06:27

8

5

3,628

by: bumpbot

19 May 2024, 20:19

ER

If the perimeter of square region S and the perimeter

555-605 Level | Geometry

555-605 Level | Geometry hide tags

Dumpling

22 Feb 2006, 13:30

70

14

17,134

by: bumpbot

29 May 2023, 08:21

A large water tank has an inlet pipe that can fill the

555-605 Level | Work Problems

555-605 Level | Work Problems hide tags

Dumsy_1711

30 May 2023, 20:18

4

3

1,399

by: Kinshook

30 May 2023, 23:13

ER

Find the number of selections that can be made taking

805+ Level | Combinations, Out of Scope - Too Hard

805+ Level | Combinations, Out of Scope - Too Hard hide tags

dungtd

29 Jul 2010, 20:09

44

3

18,519

by: bumpbot

12 Nov 2017, 08:12

ER

How many triangles with positive area can be drawn on

805+ Level | Coordinate Geometry, Geometry

805+ Level | Coordinate Geometry, Geometry hide tags

1, 2

dungtd

29 Jul 2010, 20:09

251

23

29,668

by: bumpbot

27 Apr 2023, 09:13

ER

Mrs. Smith has been given film vouchers. Each voucher

805+ Level | Combinations

805+ Level | Combinations hide tags

1, 2

dungtd

29 Jul 2010, 14:24

250

32

22,230

by: bumpbot

28 Jun 2023, 15:12

ER

If (a – b)c < 0, which of the following cannot be

505-555 Level | Must or Could be True Questions

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

dvinoth86

23 Feb 2012, 20:27

22

7

12,565

by: bumpbot

24 Mar 2022, 01:36

ER

Given the two lines y = 2x + 5 and y = 2x - 10, what

705-805 Level | Coordinate Geometry +2 tags

705-805 Level | Coordinate Geometry, Geometry, Min-Max Problems hide tags

1, 2

dvinoth86

02 Sep 2012, 20:05

131

20

19,228

by: Kinshook

02 Nov 2022, 01:05

ER

How many pairs have one or more prime factors common

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

dxx

12 May 2014, 14:02

6

2,631

by: gmathelp101

12 Aug 2017, 00:05

ER

For an international Mathematics Olympiad, six

605-655 Level | Combinations

605-655 Level | Combinations hide tags

dxx

02 Jun 2014, 22:50

8

3

2,666

by: ScottTargetTestPrep

15 Feb 2019, 18:48

Sally's internet provider offers unlimited traffic

655-705 Level | Word Problems

655-705 Level | Word Problems hide tags

dxx

29 May 2014, 08:59

2

5

2,456

by: bumpbot

30 Aug 2019, 06:37

ER

Triathlete Dan runs along a 2-mile stretch of river

555-605 Level | Distance Problems

555-605 Level | Distance Problems hide tags

dynamo

24 Dec 2007, 04:10

67

15

26,457

by: NoviceBoy

01 Oct 2023, 04:25

ER

The average (arithmetic mean) of the weight of 10

Sub 505 Level | Statistics and Sets Problems

Sub 505 Level | Statistics and Sets Problems hide tags

dzodzo85

23 Apr 2012, 05:19

8

5

9,735

by: bumpbot

17 Nov 2020, 14:29

ER

If the time is currently 1:30 pm, what time will it be

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

dzodzo85

23 Apr 2012, 06:55

11

10

5,688

by: bumpbot

24 Mar 2021, 20:57

ER

The two lines y=x and x=-4 intersect on the coordinate

Sub 505 Level | Coordinate Geometry

Sub 505 Level | Coordinate Geometry hide tags

dzodzo85

23 Apr 2012, 05:54

20

7

8,451

by: bumpbot

16 Apr 2022, 21:14

ER

If f(x) = 5x^3 - 2x + 8 and g(y) = 6y - 4, then

Sub 505 Level | Algebra, Functions and Custom Characters

Sub 505 Level | Algebra, Functions and Custom Characters hide tags

dzodzo85

23 Apr 2012, 05:33

18

4

13,255

by: bumpbot

31 Oct 2022, 08:34

ER

What is the maximum number of students among whom 1001

655-705 Level | Divisibility/Multiples/Factors, Min-Max Problems

655-705 Level | Divisibility/Multiples/Factors, Min-Max Problems hide tags

eaakbari

26 Mar 2010, 07:48

4

5

14,210

by: Bunuel

29 Dec 2023, 00:15

ER

Virat is one among the 15 members of a certain club.

555-605 Level | Combinations

555-605 Level | Combinations hide tags

eabhgoy

31 Jan 2019, 09:22

18

8

3,579

by: bumpbot

08 Aug 2023, 02:42

ER

A sum of $3310 is to be paid back in 3 equal

605-655 Level | Percent and Interest Problems

605-655 Level | Percent and Interest Problems hide tags

earnit

23 Sep 2014, 00:26

42

7

11,795

by: bumpbot

06 Oct 2023, 22:48

ER

In the figure, OR and PR are radii of circles. The

505-555 Level | Geometry

505-555 Level | Geometry hide tags

EBITDA

01 Aug 2016, 10:42

2

3

6,345

by: BrentGMATPrepNow

02 Aug 2016, 06:40

ER

In how many different relative positions can 10 people

655-705 Level | Combinations

655-705 Level | Combinations hide tags

EBITDA

24 May 2016, 14:41

4

5

2,237

by: bumpbot

06 May 2018, 09:41

ER

C individuals pledged to pay equal contributions so

655-705 Level | Inequalities

655-705 Level | Inequalities hide tags

EBITDA

28 Jul 2016, 08:41

15

8

4,526

by: bumpbot

05 Sep 2021, 12:58

ER

In how many different ways can 8 people be seated in a

605-655 Level | Combinations

605-655 Level | Combinations hide tags

EBITDA

11 Aug 2016, 02:42

12

6,180

by: Kinshook

10 Apr 2022, 08:45

ER

In a certain company, the ratio of male to female

605-655 Level | Fractions/Ratios/Decimals

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

EBITDA

24 Jul 2016, 02:04

23

11

36,404

by: udaypratapsingh99

28 Oct 2022, 02:21

ER

What is the value of integer n if (√(16/(10^n)))^2 =

505-555 Level | Algebra, Roots

505-555 Level | Algebra, Roots hide tags

EBITDA

12 Jul 2016, 01:53

27

11

9,450

by: bumpbot

07 Jan 2023, 11:00

ER

In a sequence, each term is obtained by adding 4 to

605-655 Level | Sequences

605-655 Level | Sequences hide tags

EBITDA

12 Aug 2016, 04:25

42

12

8,574

by: bumpbot

13 Mar 2024, 10:09

Which of the following fractions is the largest?

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

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

EBITDA

06 Aug 2016, 12:54

80

17

36,175

by: bumpbot

16 Mar 2024, 07:35

ER

If positive integer k is divided by 6, the quotient is

655-705 Level | Must or Could be True Questions, Remainders

655-705 Level | Must or Could be True Questions, Remainders hide tags

Economist

07 Nov 2009, 00:06

15

7

5,918

by: bumpbot

27 Oct 2021, 23:51

ER

A pool can be filled in 4 hours and drained in 5

655-705 Level | Work Problems

655-705 Level | Work Problems hide tags

Economist

01 Apr 2009, 11:50

207

17

39,491

by: Bunuel

03 Jul 2023, 14:55

ER

At their respective rates, pump A, B, and C can

655-705 Level | Work Problems

655-705 Level | Work Problems hide tags

Economist

02 Apr 2009, 20:12

111

19

15,944

by: bumpbot

07 Jan 2024, 12:12

ER

At a blind taste competition a contestant is offered 3

705-805 Level | Probability

705-805 Level | Probability hide tags

1, 2

Economist

14 Nov 2009, 07:34

1,127

36

74,330

by: chetan2u

03 Apr 2024, 06:30

ER

If y ≠ 3 and 3x/y is a prime integer greater than 2,

705-805 Level | Must or Could be True Questions, Number Properties

705-805 Level | Must or Could be True Questions, Number Properties hide tags

Economist

30 Mar 2009, 05:02

114

14

25,706

by: nisheshj

09 Apr 2024, 23:22

ER

How many integers from 0 to 50, inclusive, have a

555-605 Level | Remainders, Word Problems

555-605 Level | Remainders, Word Problems hide tags

1, 2

Economist

24 Mar 2009, 23:51

410

22

75,839

by: ravi1522

15 May 2024, 08:50

ER

For what range of values of 'x' will the inequality

705-805 Level | Inequalities

705-805 Level | Inequalities hide tags

1, 2

Eden

03 Sep 2010, 07:02

40

31

17,600

by: bumpbot

21 May 2023, 05:38

ER

Which of the following inequalities have a finite

655-705 Level | Inequalities

655-705 Level | Inequalities hide tags

Eden

03 Sep 2010, 07:09

26

14

8,282

by: bumpbot

06 Oct 2023, 15:14

ER

A six-liter solution is 85 percent alcohol.

505-555 Level | Mixture Problems

505-555 Level | Mixture Problems hide tags

Eduardo86

06 Jun 2020, 04:27

10

5

2,765

by: Basshead

21 Oct 2020, 03:09

ER

John wants to place a round table with radius r=1.5m

655-705 Level | Probability

655-705 Level | Probability hide tags

eduardof

25 Apr 2019, 09:36

13

4

1,940

by: ScottTargetTestPrep

31 Aug 2020, 11:16

ER

There are 40 students at Boston College. 35 students

805+ Level | Statistics and Sets Problems

805+ Level | Statistics and Sets Problems hide tags

eduardof

26 Apr 2019, 08:26

22

4

4,321

by: bumpbot

13 Oct 2023, 23:07

ER

In a certain company, the ratio of the number of

605-655 Level | Fractions/Ratios/Decimals

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

eduardofp

25 Jul 2016, 12:12

11

6

4,360

by: SaquibHGMATWhiz

11 Jan 2023, 06:38

Problem Solving (PS)