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Announcements

1

ER

Introducing a Chat in PS Forum

Tags: Difficulty: 700-Level, Out of Scope - Too Hard, Source: Other - Please specify

bb

0

738

05 Jun 2019, 07:31

Forum Experts

EMPOWERgmat PS Forum Expert - Ask Me Anything about PS and Math

Tags: Source: EMPOWERgmat

EMPOWERgmatRichC

18

3101

11 Jul 2019, 11:33

EMPOWERgmatRichC

Veritas Prep PS Forum Expert - Karishma - Ask Me Anything about Math

Go to page: 1 ... 6, 7, 8 Tags: Source: Veritas Prep

VeritasKarishma

152

6153

16 Jun 2019, 23:00

VeritasKarishma

Announcements

474

ER

100 Hardest and easiest questions for PS as of June 2019

Tags: Difficulty: 700-Level

Bunuel

11

95092

11 Jul 2019, 10:17

1815

ER

GMAT PS Question Directory by Topic & Difficulty

Tags: Difficulty: 600-700 Level, Difficulty: 700-Level, Difficulty: Sub-600 Level, Mixture Problems, Work/Rate Problems, Source: GMAT Club Tests, Source: GMAT Prep, Source: GMAT Prep EP1, Source: GMAT Prep EP2, Source: GMAT Prep QP1, Source: Official Guide

bb

0

708718

22 Feb 2012, 11:27

Topics

3

ER

What is the simplified expression for 1/(√1+√2) + 1/(√2+√3) + 1/(√3+√4

Tags: Difficulty: 700-Level, Arithmetic, Source: Math Revolution

MathRevolution

3

243

07 Apr 2019, 18:43

13

ER

If x and y are distinct prime numbers, which of the following could be

Tags: Difficulty: 700-Level, Arithmetic, Number Properties, Source: Princeton Review

AbdurRakib

5

2107

07 Apr 2019, 11:53

3

Let abcd be a general four-digit number and all the digits are non-zer

Tags: Difficulty: 700-Level, Algebra, Divisibility/Multiples/Factors, Source: Other - Please specify

UdayPratapSingh99

1

185

05 Apr 2019, 02:51

UdayPratapSingh99

8

ER

If x^2 – y^2 = 16 and x + y > x – y, then which one of the following

Tags: Difficulty: 700-Level, Algebra, Source: Other - Please specify

Bunuel

4

300

04 Apr 2019, 18:24

ScottTargetTestPrep

7

ER

A pump can fill a tank with water in 2 hours. Because of a

Tags: Difficulty: 700-Level, Arithmetic, Source: Other - Please specify

jackfr2

3

317

04 Apr 2019, 18:19

ScottTargetTestPrep

1

ER

The average of the numbers 1, 2, 3,..., 98, 99, and x is 100x. What is

Tags: Difficulty: 700-Level, Algebra, Statistics and Sets Problems, Source: Other - Please specify

Bunuel

4

411

01 Apr 2019, 12:16

51

ER

If a line which has the equation 7x + 17y = 1000 is plotted on X-Y pla

Tags: Difficulty: 700-Level, Algebra, Coordinate Geometry, Source: Other - Please specify

GMATinsight

13

2610

01 Apr 2019, 06:36

4

ER

How many positive integers less than 1000 are 6 times the sum of their

Tags: Difficulty: 700-Level, Algebra, Source: Other - Please specify

Bunuel

5

419

01 Apr 2019, 06:25

ScottTargetTestPrep

5

ER

x and y satisfy the equation x^2 + y^2 = 10x - 6y - 34. What is x + y?

Tags: Difficulty: 700-Level, Algebra, Source: Other - Please specify

Bunuel

4

361

01 Apr 2019, 03:56

46

ER

Jane started baby-sitting when she was 18 years old.

Tags: Difficulty: 700-Level, Arithmetic, Word Problems, Source: Manhattan GMAT

u0422811

19

8177

31 Mar 2019, 22:05

8

Jim goes to the track with $150 in his pocket

Tags: Difficulty: 700-Level, Arithmetic, Probability, Source: Princeton Review

praveenbaranwal

4

1786

31 Mar 2019, 20:49

10

ER

Two train of equal length running in opposite direction

Tags: Difficulty: 700-Level, Algebra, Arithmetic, Source: Other - Please specify

jackfr2

2

334

31 Mar 2019, 05:10

1

How many solutions does 1/[x*(x+1)]+1/[x*(x+2)]=1/(x+1) have? A. None

Tags: Difficulty: 700-Level, Algebra, Source: 800 Score

MBA20

7

324

30 Mar 2019, 12:08

8

ER

Word Problem - A craftsman sold his identical handcrafted items at a p

Tags: Difficulty: 700-Level, Arithmetic, Word Problems, Source: e-GMAT

EgmatQuantExpert

6

1291

30 Mar 2019, 03:13

10

ER

If a/b = 1/2, then the numerical value of which of the following

Tags: Difficulty: 700-Level, Algebra, Number Properties, Source: Other - Please specify

Bunuel

7

2000

29 Mar 2019, 15:15

jfranciscocuencag

8

ER

If (r+1/r)^2 = 5, what is the value of (r^3+1/r^3)^2?

Tags: Difficulty: 700-Level, Algebra, Source: Other - Please specify

fskilnik

6

364

28 Mar 2019, 12:48

52

For how many different pairs of positive integers (a, b) can

Tags: Difficulty: 700-Level, Arithmetic, Source: Manhattan GMAT

AccipiterQ

6

5481

28 Mar 2019, 10:50

12

ER

If c is a constant such that the system of equations given abov

Tags: Difficulty: 700-Level, Absolute Values/Modulus, Algebra, Roots, Source: Other - Please specify

fskilnik

6

636

26 Mar 2019, 06:55

28

ER

Which of the following represents the greatest value?

Tags: Difficulty: 700-Level, Arithmetic, Source: Kaplan

jamifahad

7

3608

26 Mar 2019, 04:07

36

ER

If function f(x) = x² + 2bx + 4, then for any b, f(x) is the least whe

Tags: Difficulty: 700-Level, Algebra, Functions and Custom Characters, Source: 800 Score

Nipungautam23

5

3873

25 Mar 2019, 21:37

63

ER

If a number is selected from the factors of 3^{3} 5^{2} 7^{2}

Tags: Difficulty: 700-Level, Algebra, Probability, Source: Math Revolution

idontknowwhy94

7

2540

25 Mar 2019, 18:47

35

ER

If x and y are positive and x^2+y^2=100, then for which of the followi

Tags: Difficulty: 700-Level, Algebra, Min/Max Problems, Source: Economist GMAT Tutor

reto

11

4809

25 Mar 2019, 14:46

17

In the above table, scores and frequencies are shown. If the median

Tags: Difficulty: 700-Level, Arithmetic, Statistics and Sets Problems, Source: Math Revolution

ekniv

4

1123

25 Mar 2019, 09:31

6

ER

A rectangle with diagonal length x is twice as long as it is wide. Wha

Tags: Difficulty: 700-Level, Algebra, Geometry, Source: Other - Please specify

Bunuel

4

365

24 Mar 2019, 18:43

ScottTargetTestPrep

7

ER

The size of diamonds is measured in carats. If the price of a diamond

Tags: Difficulty: 700-Level, Algebra, Source: Veritas Prep

vikasp99

2

1257

24 Mar 2019, 15:47

74

ER

In a certain company, the formula for maximizing profits is

Tags: Difficulty: 700-Level, Algebra, Coordinate Geometry, Min/Max Problems

wcgc

19

16421

24 Mar 2019, 01:37

16

ER

The number x is the average (arithmetic mean) of the positiv

Tags: Difficulty: 700-Level, Algebra, Statistics and Sets Problems, Source: Manhattan GMAT

Stiv

9

6368

23 Mar 2019, 22:28

13

ER

A line passes through A(1,1) and B(100,1000). How many other points wi

Tags: Difficulty: 700-Level, Algebra, Coordinate Geometry, Source: Other - Please specify

Bunuel

1

309

22 Mar 2019, 20:20

7

ER

If z ≠ 1 and z^2 − 2z + 20/(z −1) =20, then how many negative values

Tags: Difficulty: 700-Level, Algebra

niteshwaghray

2

721

22 Mar 2019, 13:01

33

ER

If x^2 + 9/x^2 = 31, what is the value of x - 3/x?

Tags: Difficulty: 700-Level, Algebra, Source: GMAT Prep

maxx1234

14

4550

22 Mar 2019, 10:42

4

ER

Penniless Pete's piggy bank has no pennies in it, but it has 100 coins

Tags: Difficulty: 700-Level, Algebra, Word Problems, Source: Other - Please specify

Bunuel

3

303

22 Mar 2019, 09:26

ScottTargetTestPrep

19

ER

Given a + 1 = b + 2 = c + 3 = d + 4 = a + b + c + d + 5, then what is

Tags: Difficulty: 700-Level, Algebra, Arithmetic, Fractions/Ratios/Decimals, Number Properties, Source: Other - Please specify

mangamma

10

822

22 Mar 2019, 09:14

4

ER

The straight lines given by the equation 2x^2=2y^2-3xy are:

Tags: Difficulty: 700-Level, Algebra, Coordinate Geometry, Source: Other - Please specify

fskilnik

3

253

21 Mar 2019, 18:03

ER

Let U = 2*2004^2005, V = 2004^2005, W = 2003*2004^2004, X = 2*2004^200

Tags: Difficulty: 700-Level, Arithmetic, Exponents/Powers, Source: Other - Please specify

Bunuel

1

209

21 Mar 2019, 09:04

3

ER

What is the sum of the reciprocals of the roots of the equation

Tags: Difficulty: 700-Level, Algebra, Source: Other - Please specify

Bunuel

3

298

20 Mar 2019, 20:34

245

ER

If 2^x + 2^y = x^2 + y^2, where x and y are nonnegative inte

Go to page: 1, 2 Tags: Difficulty: 700-Level, Absolute Values/Modulus, Algebra, Min/Max Problems, Source: Manhattan GMAT

axl_oz

20

25300

20 Mar 2019, 11:02

2

ER

The number 2013 has the property that its units digit is the sum of it

Tags: Difficulty: 700-Level, Arithmetic, Combinations, Word Problems, Source: Other - Please specify

Bunuel

3

275

20 Mar 2019, 09:40

5

ER

On a certain two-part test, a student must choose one of 4 short essay

Tags: Difficulty: 700-Level, Arithmetic, Combinations, Source: Princeton Review

SajjadAhmad

6

535

20 Mar 2019, 09:20

7

ER

Cathy has equal numbers of nickels and quarters worth a total of $7.50

Tags: Difficulty: 700-Level, Algebra, Source: Other - Please specify

Bunuel

6

2594

20 Mar 2019, 08:26

2

ER

Two different positive numbers a and b each differ from their reciproc

Tags: Difficulty: 700-Level, Algebra, Source: Other - Please specify

Bunuel

7

338

20 Mar 2019, 06:29

Abhishek292kumar

25

ER

If f(x) = 3x^2 - tx + 5 is tangents to x-axis, what is the value of a

Tags: Difficulty: 700-Level, Algebra, Source: GMAT Paper Tests

fattty

7

2277

19 Mar 2019, 23:53

21

ER

If both roots of the quadratic equation y^2 -63y +x =0 are prime numbe

Tags: Difficulty: 700-Level, Algebra

manpreetsingh86

5

3505

19 Mar 2019, 19:12

ScottTargetTestPrep

3

ER

Let f be a function for which f(x/3) = x^2 + x + 1. Find the sum of al

Tags: Difficulty: 700-Level, Algebra, Functions and Custom Characters, Source: Other - Please specify

Bunuel

1

218

19 Mar 2019, 11:12

ER

Let n be the largest integer that is the product of exactly 3 distinct

Tags: Difficulty: 700-Level, Algebra, Number Properties, Source: Other - Please specify

Bunuel

2

220

19 Mar 2019, 10:32

3

ER

Let a, b, and c be real numbers such that a - 7b + 8c = 4 and 8a + 4b

Tags: Difficulty: 700-Level, Algebra, Source: Other - Please specify

Bunuel

1

191

19 Mar 2019, 01:39

EgmatQuantExpert

2

ER

For which of the following values of k does the equation (x - 1)(x - 2

Tags: Difficulty: 700-Level, Algebra, Source: Other - Please specify

Bunuel

1

175

19 Mar 2019, 00:58

EgmatQuantExpert

ER

If y = x^2 − 32x + 256, then what is the least possible value of y ?

Tags: Difficulty: 700-Level, Algebra, Source: Other - Please specify

Bunuel

3

232

18 Mar 2019, 18:49

ScottTargetTestPrep

171

ER

If root{3-2x} = root(2x) +1, then 4x^2 =

Go to page: 1, 2 Tags: Difficulty: 700-Level, Algebra, Roots, Source: OG 2015, Source: OG 2016, Source: OG 2017, Source: OG 2018, Source: OG 2019, Source: OG 2020, Source: Official Guide

Bunuel

35

28264

18 Mar 2019, 10:07

3

ER

Four positive integers a, b, c, and d have a product of 8! and satisfy

Tags: Difficulty: 700-Level, Algebra, Source: Other - Please specify

Bunuel

2

213

18 Mar 2019, 03:32

16

ER

How many numbers between 200 and 400 begin or end with 3?

Tags: Difficulty: 700-Level, Arithmetic, Combinations

chiccufrazer1

7

22856

17 Mar 2019, 06:40

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