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

970

22

256,761

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

2,845

0

1,180,119

by: bb

22 Feb 2012, 11:27

ER

The function f(n) is defined as the product of all

655-705 Level | Algebra, Functions and Custom Characters

655-705 Level | Algebra, Functions and Custom Characters hide tags

kiran120680

31 May 2019, 08:58

52

2

5,557

by: bumpbot

15 Sep 2023, 02:05

ER

The product of the two-digit numbers above is the

655-705 Level | Arithmetic

655-705 Level | Arithmetic hide tags

Bunuel

18 Mar 2014, 01:42

156

6

29,753

by: bumpbot

15 Sep 2023, 19:57

ER

If a^2 – ab = 2b^2, which of the following could be

655-705 Level | Algebra

655-705 Level | Algebra hide tags

Bunuel

20 Feb 2020, 05:20

15

4

3,838

by: bumpbot

16 Sep 2023, 05:19

ER

If 9^x + 9^(-x) = 62, then what is the value of 3^x +

655-705 Level | Algebra, Exponents/Powers

655-705 Level | Algebra, Exponents/Powers hide tags

Bunuel

04 Aug 2022, 02:18

37

5

5,528

by: youcouldsailaway

17 Sep 2023, 06:15

ER

If x is a positive number and a=xxx,

655-705 Level | Algebra, Number Properties

655-705 Level | Algebra, Number Properties hide tags

gmatgambler

03 Feb 2014, 05:41

44

8

12,286

by: bumpbot

17 Sep 2023, 12:20

ER

Which one of the following is closest to 1?

655-705 Level | Arithmetic

655-705 Level | Arithmetic hide tags

Bunuel

02 Apr 2019, 23:03

7

4,509

by: chetan2u

17 Sep 2023, 19:32

ER

If a=(13!^1^6-13!^8)/(13!^8+13!^4) hat is the unit

655-705 Level | Algebra

655-705 Level | Algebra hide tags

gmat6nplus1

29 Dec 2013, 04:09

111

9

20,600

by: bumpbot

18 Sep 2023, 03:12

ER

If 2^20 = 2^15 x+y, where x and y are non-negative

655-705 Level | Algebra +2 tags

655-705 Level | Algebra, Exponents/Powers, Min/Max Problems hide tags

Bunuel

06 Jan 2022, 06:00

29

4

2,428

by: Bunuel

19 Sep 2023, 00:00

ER

If 2x/ (root(-3x^2 + 27)) is not a real number

655-705 Level | Arithmetic +2 tags

655-705 Level | Arithmetic, Inequalities, Roots hide tags

KarthikMBA2019

10 Jul 2018, 01:48

35

7

4,941

by: IshanSaini

19 Sep 2023, 02:07

ER

If (a + b):(b + c):(c + a) = 6:7:8 and a + b + c = 14,

655-705 Level | Algebra, Fractions/Ratios/Decimals

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

Bunuel

08 Oct 2018, 21:29

84

8

44,762

by: bumpbot

20 Sep 2023, 01:10

ER

Which of the following cannot be the factor of x4 +

655-705 Level | Algebra

655-705 Level | Algebra hide tags

MathRevolution

22 Dec 2016, 01:11

35

4

4,544

by: ss1997

20 Sep 2023, 08:48

ER

For which of the following values of k will (k +

655-705 Level | Algebra

655-705 Level | Algebra hide tags

Bunuel

20 Sep 2023, 04:30

4

3

1,089

by: Kinshook

22 Sep 2023, 02:17

ER

New Algebra Set!!!

655-705 Level | Algebra, Sequences

655-705 Level | Algebra, Sequences hide tags

1, 2, 3, 4

Bunuel

18 Mar 2013, 07:56

1,113

72

291,032

by: bumpbot

24 Sep 2023, 09:21

ER

What is the product of all values generated by the

655-705 Level | Algebra

655-705 Level | Algebra hide tags

gmatophobia

21 Sep 2023, 23:28

10

4

1,259

by: JeffTargetTestPrep

24 Sep 2023, 12:54

ER

If the sequence x_1, x_2, x_3, …, x_n, ... is such

655-705 Level | Algebra, Sequences

655-705 Level | Algebra, Sequences hide tags

eresh

15 Oct 2009, 17:58

60

5

14,477

by: bumpbot

29 Sep 2023, 08:37

ER

The velocity of a propelled object is described by the

655-705 Level | Algebra, Distance/Rate Problems

655-705 Level | Algebra, Distance/Rate Problems hide tags

buan15

01 Sep 2020, 01:20

28

8

4,376

by: bumpbot

30 Sep 2023, 01:48

ER

If x + y + z = 2, x^2 + y^2 + z^2 = 6, and x^3 + y^3 +

655-705 Level | Algebra

655-705 Level | Algebra hide tags

Bunuel

12 Feb 2020, 01:48

38

9

24,155

by: bumpbot

02 Oct 2023, 10:44

ER

xy is a 2 digit number whose reverse, yx, is x less

655-705 Level | Algebra, Divisibility/Multiples/Factors

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

gracie

09 Jul 2017, 21:37

20

5

3,002

by: bumpbot

03 Oct 2023, 03:08

ER

If x^2 + 4x + 1 = 0, what is the value of x^2 + 1/x^2?

655-705 Level | Algebra

655-705 Level | Algebra hide tags

MathRevolution

01 May 2019, 00:49

27

4

2,593

by: bumpbot

03 Oct 2023, 20:24

ER

John goes to buy clothes in a shop where there is a

655-705 Level | Arithmetic +2 tags

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

chetan2u

05 Jul 2018, 20:00

30

6

3,988

by: bumpbot

04 Oct 2023, 19:06

ER

If (a+b)^5= a^5+xa^4b+ya^3b^2+za^2b^3+tab^4+b^5 What

655-705 Level | Algebra

655-705 Level | Algebra hide tags

div10

25 Oct 2017, 07:42

15

7

2,610

by: bumpbot

04 Oct 2023, 19:44

ER

A shopkeeper plans to offer some successive discounts

655-705 Level | Arithmetic, Percent and Interest Problems

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

GMATinsight

21 May 2017, 05:20

15

4

4,170

by: bumpbot

04 Oct 2023, 20:03

ER

If r and s are positive integers, each greater than 1,

655-705 Level | Algebra, Min/Max Problems

655-705 Level | Algebra, Min/Max Problems hide tags

Bunuel

08 Mar 2019, 01:35

26

6

13,931

by: bumpbot

04 Oct 2023, 22:11

ER

If x is a positive number and sqrt(3/2 + (sqrt(3/2 +

655-705 Level | Algebra, Roots

655-705 Level | Algebra, Roots hide tags

Bunuel

06 Mar 2020, 02:03

36

14

5,713

by: bumpbot

05 Oct 2023, 02:09

ER

How many such positive integers exist so that if the

655-705 Level | Arithmetic +2 tags

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

va95

23 Jun 2017, 08:34

37

6

3,791

by: bumpbot

05 Oct 2023, 20:15

ER

For how many positive integer values of N, less than

655-705 Level | Algebra

655-705 Level | Algebra hide tags

Bunuel

28 Feb 2020, 02:33

52

8

8,610

by: nipun7399

06 Oct 2023, 00:24

ER

If y= (x-1)(x+2), then what is the least possible

655-705 Level | Algebra, Min/Max Problems

655-705 Level | Algebra, Min/Max Problems hide tags

fozzzy

07 Jul 2013, 07:39

102

18

11,438

by: bumpbot

11 Oct 2023, 02:07

ER

x and y are positive integers such that x < y. If

655-705 Level | Algebra

655-705 Level | Algebra hide tags

Lucky2783

15 Feb 2015, 23:24

57

10

22,708

by: bumpbot

11 Oct 2023, 08:22

ER

The product of all prime numbers less than 29 is

655-705 Level | Arithmetic, Number Properties

655-705 Level | Arithmetic, Number Properties hide tags

Bunuel

16 Mar 2022, 06:45

4

2

2,707

by: gowthamkanirajan

11 Oct 2023, 14:40

ER

If the roots of the equation ax^2 + bx + c = 0 are

655-705 Level | Algebra

655-705 Level | Algebra hide tags

Bunuel

23 Jun 2021, 05:15

10

3

2,815

by: bumpbot

12 Oct 2023, 02:16

ER

Adam and Bryan buy two articles for $1000 and $2000,

655-705 Level | Algebra, Word Problems

655-705 Level | Algebra, Word Problems hide tags

DisciplinedPrep

31 Jan 2020, 00:07

4

3

1,680

by: bumpbot

12 Oct 2023, 02:56

ER

Four terms in arithmetic progression have sum of 28.

655-705 Level | Arithmetic, Sequences

655-705 Level | Arithmetic, Sequences hide tags

jadixit

05 Jan 2014, 03:32

64

17

19,557

by: bumpbot

12 Oct 2023, 03:56

ER

a, b and c are positive numbers. If a/(2b - c)=2b/(3a)

655-705 Level | Algebra

655-705 Level | Algebra hide tags

Bunuel

18 May 2023, 04:30

9

3

1,477

by: hazeljj

14 Oct 2023, 20:45

ER

5^3x + 5^2y + 5z + p = 264, where x, y, z and p are

655-705 Level | Algebra

655-705 Level | Algebra hide tags

Bunuel

01 Feb 2022, 05:45

5

2

1,437

by: bumpbot

15 Oct 2023, 19:22

ER

If sqrt(x^2 + (sqrt(x^2 + sqrt(x^2 + ...))), where the

655-705 Level | Algebra, Roots

655-705 Level | Algebra, Roots hide tags

Bunuel

06 Mar 2020, 03:17

30

6

3,363

by: bumpbot

17 Oct 2023, 12:56

ER

If x and y are positive and x^2 + y^2 = 100, then for

655-705 Level | Algebra, Min/Max Problems

655-705 Level | Algebra, Min/Max Problems hide tags

Bunuel

05 Apr 2021, 01:00

11

8

5,262

by: mmdfl

20 Oct 2023, 10:31

ER

If the difference between a two digit positive integer

655-705 Level | Algebra

655-705 Level | Algebra hide tags

Bunuel

11 Nov 2019, 01:20

36

13

4,801

by: bumpbot

21 Oct 2023, 07:57

ER

What is the maximum value of 3/4 + 1/x^2 - 1/x^4?

655-705 Level | Arithmetic, Min/Max Problems

655-705 Level | Arithmetic, Min/Max Problems hide tags

Bunuel

02 Dec 2021, 05:45

11

6

2,199

by: bumpbot

23 Oct 2023, 01:32

ER

A single filter reduces the concentration of harmful

655-705 Level | Algebra, Word Problems

655-705 Level | Algebra, Word Problems hide tags

honchos

25 Dec 2014, 13:52

35

7

7,832

by: bumpbot

23 Oct 2023, 03:40

ER

In a barrel full of apples, 45% of the apples weigh

655-705 Level | Arithmetic

655-705 Level | Arithmetic hide tags

BrentGMATPrepNow

15 Jan 2019, 12:58

18

5

2,873

by: youcouldsailaway

24 Oct 2023, 12:47

ER

The value of 1/2 + (1/2)^2 + (1/2)^3 + ... + (1/2)^20

655-705 Level | Arithmetic

655-705 Level | Arithmetic hide tags

AnkitK

10 Jul 2011, 07:40

22

4

9,472

by: bumpbot

26 Oct 2023, 07:29

ER

If a^2 + b^2 = 144 and ab ≠ 0, then the greatest

655-705 Level | Arithmetic, Min/Max Problems

655-705 Level | Arithmetic, Min/Max Problems hide tags

Bunuel

09 Jan 2020, 01:40

19

11

9,632

by: sachin_27

26 Oct 2023, 08:33

ER

If z^2 = (2+(2+(2+(2+...)^(1/2))^(1/2))^(1/2))^(1/2),

655-705 Level | Algebra, Roots

655-705 Level | Algebra, Roots hide tags

niteshwaghray

31 May 2017, 23:14

30

6

4,534

by: bumpbot

27 Oct 2023, 05:10

ER

Let F = 36(2x - 1/2)^3 and G = 16(3x - 3/4)^3.

655-705 Level | Algebra, Exponents/Powers

655-705 Level | Algebra, Exponents/Powers hide tags

MrWhite

16 Oct 2023, 14:57

43

5

4,515

by: chetan2u

27 Oct 2023, 05:21

ER

What is 1/(1*2) + 1/(2*3) + 1/(3*4) + 1/(4*5) +

655-705 Level | Algebra

655-705 Level | Algebra hide tags

goodyear2013

18 Mar 2014, 15:59

210

13

228,705

by: bumpbot

27 Oct 2023, 06:42

ER

Mr. and Mrs. Wiley have a child every J years. Their

655-705 Level | Algebra, Word Problems

655-705 Level | Algebra, Word Problems hide tags

jainvineet

19 Feb 2007, 12:40

132

18

13,845

by: bumpbot

29 Oct 2023, 06:47

ER

How many values of x are there for which 1/(x(x + 1)) +

655-705 Level | Algebra

655-705 Level | Algebra hide tags

edwin.que

29 Oct 2023, 19:05

8

2

2,250

by: gmatophobia

29 Oct 2023, 20:53

ER

Suppose that |x + y| + |x -y| = 2. What is the

655-705 Level | Absolute Values/Modulus +2 tags

655-705 Level | Absolute Values/Modulus, Algebra, Min/Max Problems hide tags

Bunuel

31 Mar 2019, 22:15

42

8

6,981

by: Oppenheimer1945

30 Oct 2023, 09:03

ER

If P(x) be a polynomial satisfying the identity P(x^2)

655-705 Level | Algebra

655-705 Level | Algebra hide tags

Bunuel

25 Nov 2021, 03:30

29

9

2,503

by: DrAnkita91

31 Oct 2023, 05:50

ER

If x = 2 + 3, what is the value of x^4 + 1/x^4?

655-705 Level | Algebra

655-705 Level | Algebra hide tags

Bunuel

01 Nov 2023, 02:45

5

2

912

by: VivekPrateek

01 Nov 2023, 08:07

Problem Solving (PS)