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View first unread post Attachment(s) Introducing a Chat in PS Forum  

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

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0

738

05 Jun 2019, 07:31

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Forum Experts

View first unread post EMPOWERgmat PS Forum Expert - Ask Me Anything about PS and Math  

Tags: Source: EMPOWERgmat

EMPOWERgmatRichC

18

3101

11 Jul 2019, 11:33

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View first unread post Attachment(s) 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

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View first unread post 100 Hardest and easiest questions for PS as of June 2019  

Tags: Difficulty: 700-Level

Bunuel

11

95092

11 Jul 2019, 10:17

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1815
ER
View first unread post Attachment(s) 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

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0

708718

22 Feb 2012, 11:27

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Topics

3
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View first unread post 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

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13
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View first unread post 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

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3
View first unread post 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

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8
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View first unread post 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

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View first unread post 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

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1
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View first unread post 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

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51
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View first unread post 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

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View first unread post How many positive integers less than 1000 are 6 times the sum of their  

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Bunuel

5

419

01 Apr 2019, 06:25

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5
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View first unread post 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

View the latest post celo700

46
ER
View first unread post Attachment(s) 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

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8
View first unread post 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

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10
ER
View first unread post 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

View the latest post Abhishek009

1
View first unread post Attachment(s) 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

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8
ER
View first unread post 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

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10
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View first unread post 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

View the latest post jfranciscocuencag

8
ER
View first unread post Attachment(s) 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

View the latest post GMATGuruNY

52
View first unread post 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

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12
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View first unread post 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

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28
ER
View first unread post Which of the following represents the greatest value?  

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

jamifahad

7

3608

26 Mar 2019, 04:07

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36
ER
View first unread post Attachment(s) 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

View the latest post saksham1

63
ER
View first unread post 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

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35
ER
View first unread post 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

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17
View first unread post Attachment(s) 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

View the latest post Rashed12

6
ER
View first unread post 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

View the latest post ScottTargetTestPrep

7
ER
View first unread post 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

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74
ER
View first unread post Attachment(s) 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

View the latest post baldururikson

16
ER
View first unread post 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

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13
ER
View first unread post 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

View the latest post chetan2u

7
ER
View first unread post 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

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33
ER
View first unread post 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

View the latest post GMATGuruNY

4
ER
View first unread post 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

View the latest post ScottTargetTestPrep

19
ER
View first unread post Attachment(s) 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

View the latest post TRINA6

4
ER
View first unread post 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

View the latest post fskilnik

ER
View first unread post 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

View the latest post Archit3110

3
ER
View first unread post 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

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245
ER
View first unread post 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

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2
ER
View first unread post 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

View the latest post Archit3110

5
ER
View first unread post 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

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7
ER
View first unread post 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

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2
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View first unread post 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

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25
ER
View first unread post Attachment(s) 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

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21
ER
View first unread post 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

View the latest post ScottTargetTestPrep

3
ER
View first unread post 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

View the latest post Chethan92

ER
View first unread post 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

View the latest post Archit3110

3
ER
View first unread post 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

View the latest post EgmatQuantExpert

2
ER
View first unread post 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

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View first unread post 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

View the latest post ScottTargetTestPrep

171
ER
View first unread post Attachment(s) 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

View the latest post GMATPrepNow

3
ER
View first unread post 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

View the latest post GMATinsight

16
ER
View first unread post 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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