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

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EMPOWERgmatRichC

26

4737

26 Oct 2019, 19:33

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View first unread post Attachment(s) Veritas Prep PS Forum Expert - Karishma - Ask Me Anything about Math  

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VeritasKarishma

190

9045

02 Dec 2019, 21:57

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Announcements

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

Tags: Difficulty: 700-Level

Bunuel

12

103956

29 Jul 2019, 07:22

View the latest post Shrinidhi

1931
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,  Combinations,  Mixture Problems,  Work/Rate Problems,  Source: GMAT Club Tests,  Source: GMAT Prep,  Source: Official Guide

bb

0

753152

22 Feb 2012, 11:27

View the latest post bb

Topics

4
ER
View first unread post How many pairs (m,n) of integers satisfy the equation m+n=mn?  

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

Rubina11

2

415

17 May 2019, 10:12

View the latest post Vinit800HBS

4
View first unread post How many reversed two digit pairs are there such that three xy is x+y  

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

gracie

1

245

16 Jan 2019, 22:22

View the latest post KanishkM

4
View first unread post IF P = 9^{1/2} - 9^{1/3} - 9^{1/4}, then P is:  

Tags: Difficulty: 700-Level,  Arithmetic,  Exponents/Powers,  Source: Princeton Review

MahmoudFawzy

10

711

27 Jun 2019, 12:58

View the latest post menonrit

4
ER
View first unread post Brian writes down four integers w > x > y > z whose sum is 44. The pai  

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

Bunuel

2

255

21 Apr 2019, 05:48

View the latest post chetan2u

4
ER
View first unread post Attachment(s) The value of (1.3333)(0.6666)(1.125)/(0.75)(0.8)(0.8333) is closest to  

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

Bunuel

2

1154

27 Oct 2018, 11:01

View the latest post HAPPYatHARVARD

4
View first unread post Mike visits his childhood friend Alan at a regular interval of 4 month  

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

axezcole

2

262

08 May 2019, 12:12

View the latest post AvidDreamer09

4
ER
View first unread post At time t = 0, a projectile was fired upward from an initial height of  

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

Bunuel

1

286

17 Apr 2019, 01:57

View the latest post Prateek1793

4
View first unread post A loan of $10,000 has an annual interest rate of 8%, compounded...  

Tags: Difficulty: 700-Level,  Arithmetic,  Exponents/Powers,  Word Problems,  Source: Veritas Prep

CAMANISHPARMAR

1

449

11 Nov 2018, 09:58

View the latest post Arro44

4
ER
View first unread post If (5(pq)^3 + 35(pq)^2 - 40pq)/((p - 1)(p + 4)) = 0 and p, q are both  

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

Bunuel

2

173

12 Nov 2019, 04:59

View the latest post chetan2u

4
ER
View first unread post If a temperature can be converted from the M scale to the P scale by m  

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

SajjadAhmad

2

176

21 Sep 2019, 05:25

View the latest post styleashish

4
ER
View first unread post Claudia has 12 coins, each of which is a 5-cent coin or a 10-cent coin  

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

Bunuel

1

238

26 Apr 2019, 22:17

View the latest post Shobhit7

4
ER
View first unread post Attachment(s) Suppose x is an integer such that [m](x^2 - x - 1)^ {(x+2)} =1[/m]  

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

GMATinsight

5

1247

12 Nov 2019, 20:49

View the latest post bumpbot

4
ER
View first unread post If 4s - 3t = 10 where s and t are integers, which of the following can  

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

Bunuel

1

279

25 Jun 2019, 02:13

View the latest post Arvind42

4
ER
View first unread post If n >2 and (2/n) is substituted for all instances of n in t  

Tags: Difficulty: 700-Level,  Algebra

Bunuel

8

3874

18 Oct 2018, 09:40

View the latest post bumpbot

4
View first unread post There are two alloys, A and B, of copper and zinc. The ratio (by  

Tags: Difficulty: 700-Level,  Algebra,  Fractions/Ratios/Decimals,  Mixture Problems,  Word Problems,  Source: Other - Please specify

CaptainLevi

3

300

28 Nov 2019, 01:36

View the latest post effatara

4
View first unread post If a^1/2 > b > c^2, which of the following could be true?  

Tags: Difficulty: 700-Level,  Algebra,  Inequalities,  Must or Could be True Questions,  Source: Experts' Global,  Source: Other - Please specify

SajjadAhmad

1

510

19 Oct 2018, 13:10

View the latest post Salsanousi

4
ER
View first unread post Which of the following is equal to  

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

MathRevolution

4

815

18 Jan 2018, 08:44

View the latest post ScottTargetTestPrep

4
View first unread post In each of the first five years of a bachelor degree program of four y  

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

pushpitkc

2

931

04 Sep 2017, 01:15

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4
View first unread post Attachment(s) A tire on a car rotates at 500 RPM (revolutions per minute) when the c  

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

SajjadAhmad

1

342

27 Jul 2019, 05:45

View the latest post RJ7X0DefiningMyX

4
ER
View first unread post Attachment(s) Which of the following are roots of an equation 10x^{-2}+x^{-1}-21=0  

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

MathRevolution

3

432

11 Nov 2018, 23:06

View the latest post MathRevolution

4
ER
View first unread post A certain series of numbers has 15 terms in total. The first term of  

Tags: Difficulty: 700-Level,  Algebra,  Sequences,  Source: e-GMAT

EgmatQuantExpert

2

500

20 May 2019, 04:03

View the latest post EgmatQuantExpert

4
ER
View first unread post How many ordered pairs of positive integers (M,N) satisfy the equation  

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

Bunuel

3

548

26 Apr 2019, 15:33

View the latest post ScottTargetTestPrep

4
ER
View first unread post If a and b are constants such that are constants such that ax/(x^2 - 1  

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

fskilnik

4

402

22 Feb 2019, 21:39

View the latest post KanishkM

4
ER
View first unread post Which of the following procedures is always equivalent to adding 5  

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

Bunuel

3

1521

17 Apr 2019, 09:01

View the latest post bumpbot

4
ER
View first unread post If a,b and c are in arithmetic progression, then (a+b)  

Tags: Difficulty: 700-Level,  Arithmetic

AdityaHongunti

7

790

25 Dec 2018, 08:47

View the latest post Bunuel

4
ER
View first unread post If x - 7 = √x + √7 , x = ?  

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

MathRevolution

6

1113

29 Aug 2017, 23:37

View the latest post shashankism

4
ER
View first unread post If the sum of the reciprocals of the roots of the equation ax^2+bx+c=0  

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

CaptainLevi

1

173

28 Nov 2019, 05:56

View the latest post chetan2u

4
ER
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

292

07 Apr 2019, 18:43

View the latest post MathRevolution

4
ER
View first unread post If f(x) = (x - 1)^2 + 3, which of the following is true for all x?  

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

Bunuel

4

963

20 Oct 2018, 20:49

View the latest post gmatbusters

4
View first unread post a and b are roots of the equation x2 - px + 12 = 0. If the difference  

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

DisciplinedPrep

2

216

30 Nov 2019, 07:40

View the latest post Varun26994

4
ER
View first unread post A company has 540 employees, 40% of whom are employed part time. If it  

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

Atrain13gm

10

5795

21 Dec 2018, 16:12

View the latest post sashiim20

4
ER
View first unread post A survey asked 1,150 people to choose their favorite laundry detergent  

Tags: Difficulty: 700-Level,  Arithmetic,  Percents and Interest Problems,  Source: Other - Please specify

Bunuel

3

565

28 May 2019, 06:52

View the latest post ScottTargetTestPrep

4
ER
View first unread post The value of (1/x)-(4/√x)+4 is least when x =  

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

mangamma

2

340

24 Sep 2019, 00:50

View the latest post chrtpmdr

3
ER
View first unread post If x^a*y^b*z^c equals the product of 154 and 56, z > y > x, and a > b  

Tags: Difficulty: 700-Level,  Algebra,  Exponents/Powers,  Source: Princeton Review

Bunuel

3

657

02 Jul 2018, 05:39

View the latest post chetan2u

3
View first unread post Consider integers p, q, r such that |p| < |q| < |r| < 40 and p + q + r  

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

DisciplinedPrep

2

178

18 Nov 2019, 23:10

View the latest post rajatchopra1994

3
ER
View first unread post For any 3 given numbers, which of the following is always equivalent  

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

Bunuel

6

2169

27 Oct 2018, 13:41

View the latest post HAPPYatHARVARD

3
ER
View first unread post If the city centers of New York and London are 3,471 miles apart, whic  

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

Bunuel

5

1450

28 Jun 2019, 23:02

View the latest post RJ7X0DefiningMyX

3
ER
View first unread post What is the solution (x, y) of the following system of equations?  

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

MathRevolution

6

267

03 Dec 2019, 04:31

View the latest post Ahmed9955

3
ER
View first unread post Let a, b, and c be positive integers with a> b > c such that a^2 - b^2  

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

Bunuel

2

230

18 Apr 2019, 04:24

View the latest post NeoNguyen1989

3
ER
View first unread post Maurice entered a number into his calculator and erroneously divided  

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

Bunuel

2

280

31 May 2019, 07:37

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

440

20 Mar 2019, 20:34

View the latest post foryearss

3
ER
View first unread post If g(x) = 3x + sqrt x  

Tags: Difficulty: 700-Level,  Algebra,  Roots,  Source: Manhattan GMAT

jwam2

7

1878

18 Aug 2017, 04:19

View the latest post Bunuel

3
ER
View first unread post If x^(1-x)=4, what is the value of  

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

fskilnik

2

398

14 Feb 2019, 06:08

View the latest post fskilnik

3
ER
View first unread post If points p and q are distinct points equidistant from zero on a numbe  

Tags: Difficulty: 700-Level,  Arithmetic,  Number Properties,  Source: Magoosh

aragonn

8

750

09 Dec 2018, 04:30

View the latest post aragonn

3
ER
View first unread post 1.001 + 0.999996/1.002 =  

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

Bunuel

2

223

22 Aug 2019, 01:32

View the latest post chondro48

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

325

19 Mar 2019, 01:39

View the latest post EgmatQuantExpert

3
ER
View first unread post Which of the following are pairs of numbers that are reciprocals?  

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

CAMANISHPARMAR

2

471

05 Dec 2018, 19:13

View the latest post generis

3
ER
View first unread post Which of the following equations is true for all positive values of x  

Tags: Difficulty: 700-Level,  Algebra,  Exponents/Powers,  Roots,  Source: Magoosh

Princ

4

1086

26 May 2018, 08:44

View the latest post CAMANISHPARMAR

3
ER
View first unread post If the fraction 98/(23*89) is written in the form a + b/23 + c/89, wil  

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

Bunuel

1

113

05 Dec 2019, 06:06

View the latest post chetan2u

3
ER
View first unread post The following pair of equations have a unique solution for x, which is  

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

CaptainLevi

1

136

25 Nov 2019, 19:45

View the latest post chetan2u

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