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

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EMPOWERgmatRichC

24

4245

27 Sep 2019, 11:20

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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

179

8192

12 Oct 2019, 01:31

View the latest post Ramya16

Announcements

509
ER
View first unread post 100 Hardest and easiest questions for PS as of September 2019  

Tags: Difficulty: 700-Level

Bunuel

12

100848

29 Jul 2019, 07:22

View the latest post Shrinidhi

1904
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

739353

22 Feb 2012, 11:27

View the latest post bb

Topics

2
View first unread post Real-estate salesman Z is selling a house at a 20 percent discount fro  

Tags: Difficulty: 700-Level,  Algebra,  Percents and Interest Problems,  Word Problems,  Source: Economist GMAT Tutor

alpham

2

1261

11 Jul 2016, 22:07

View the latest post Vyshak

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

237

19 Mar 2019, 00:58

View the latest post EgmatQuantExpert

2
ER
View first unread post The grass in a field grows in a constant rate. If 240 sheep were to gr  

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

nick1816

1

256

21 May 2019, 19:07

View the latest post chetan2u

2
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

446

05 Dec 2018, 19:13

View the latest post generis

2
ER
View first unread post Winston created a function F such that F(1)=4, F(4)=3 and F(F(x))= F(x  

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

fskilnik

2

320

12 Feb 2019, 18:51

View the latest post fskilnik

2
ER
View first unread post An animal that dives into a pool of water is at a depth of x, in feet,  

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

Bunuel

5

280

18 Aug 2019, 07:48

View the latest post Jashan25

2
View first unread post If a and b are constants, and the equation [m]x^3 +ax^2 +bx = 64[/m] h  

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

gmatbusters

5

603

17 Jan 2019, 19:44

View the latest post jfranciscocuencag

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

2116

27 Oct 2018, 13:41

View the latest post HAPPYatHARVARD

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

393

20 Mar 2019, 20:34

View the latest post foryearss

3
ER
View first unread post If (x - 2 3^1/2) is one of the quadratic X^2 + (4 3^1/2)x - 36, what  

Tags: Difficulty: 700-Level,  Algebra,  Roots,  Source: Economist GMAT Tutor

TheEconomistGMAT

2

205

13 Oct 2019, 00:38

View the latest post TheEconomistGMAT

3
ER
View first unread post If f(x^2 – 1) = x^4 – 7x^2 + k1 and f(x^3 – 2) = x^6 – 9x^3 + k2, find  

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

DisciplinedPrep

4

375

24 Sep 2019, 04:08

View the latest post chrtpmdr

3
ER
View first unread post For a positive integer n, f(n) is defined as 1 + 1/2 + 1/3 + … + 1/n.  

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

MathRevolution

4

240

11 Oct 2019, 09:01

View the latest post MathRevolution

3
ER
View first unread post If P=2^(x^2+10x+72) and Q=2^(x^2+16x+54), where x is a positive  

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

souvonik2k

1

389

14 Mar 2018, 09:58

View the latest post chetan2u

3
ER
View first unread post a is the product of 3 and the square root of 2, b is the product of 2  

Tags: Difficulty: 700-Level,  Algebra,  Source: Princeton Review

Bunuel

3

517

03 Nov 2018, 00:42

View the latest post dine5207

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

641

02 Jul 2018, 05:39

View the latest post chetan2u

3
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

1469

17 Apr 2019, 09:01

View the latest post bumpbot

3
ER
View first unread post What is the value of 1 / (√2+√1) + 1 / (√3+√2) + 1/(√4+√3) + … + 1/(√2  

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

MathRevolution

3

267

23 Jun 2019, 18:28

View the latest post MathRevolution

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

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

Bunuel

2

191

22 Aug 2019, 01:32

View the latest post chondro48

3
ER
View first unread post The Earth travels around the Sun at an approximate speed of 20 miles p  

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

Bunuel

9

5084

07 Mar 2019, 20:52

View the latest post bumpbot

3
View first unread post If |x − 2| = p, where x < 2, then x − p =  

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

Noshad

3

308

15 Mar 2019, 22:17

View the latest post Noshad

3
ER
View first unread post Which one of the following is closest to 1?  

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

Bunuel

6

407

02 Jun 2019, 08:50

View the latest post jackfr2

3
ER
View first unread post If A, B and C represent different digits in the multiplication, then A  

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

chesstitans

3

4143

02 Feb 2019, 06:59

View the latest post bumpbot

3
ER
View first unread post (15^6 − 15^4)/(3^6 − 3^4) =  

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

Bunuel

3

524

07 Nov 2018, 04:37

View the latest post Bismarck

3
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

466

26 Apr 2019, 15:33

View the latest post ScottTargetTestPrep

3
ER
View first unread post Word Problem - A furniture retailer bought 100 identical chairs at a c  

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

EgmatQuantExpert

3

1013

27 Jan 2017, 23:30

View the latest post EgmatQuantExpert

3
ER
View first unread post Both roots of the quadratic equation x^2-39x+a = 0 are prime numbers.  

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

MathRevolution

4

372

30 Jun 2019, 18:05

View the latest post MathRevolution

3
View first unread post A certain clock rings two notes at quarter past the hour, four notes  

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

SW4

3

1222

04 Nov 2018, 00:50

View the latest post bumpbot

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

265

19 Mar 2019, 11:12

View the latest post Chethan92

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

211

05 Apr 2019, 02:51

View the latest post UdayPratapSingh99

3
ER
View first unread post Attachment(s) In the addition shown below A, B, C, and D are distinct digits. How ma  

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

Bunuel

2

279

27 Apr 2019, 03:20

View the latest post Archit3110

3
ER
View first unread post Which of the following is closest to (10^19-10^3)/(10^17+1)?  

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

MathRevolution

6

1159

13 Sep 2016, 00:01

View the latest post rudra316

3
ER
View first unread post If the curve described by the equation y = x2 + bx + c cuts the x-axis  

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

SajjadAhmad

5

669

03 Jan 2019, 03:15

View the latest post Bunuel

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

366

18 Mar 2019, 03:32

View the latest post GMATinsight

3
View first unread post If a/b = c/d then which of the following must be true  

Tags: Difficulty: 700-Level,  Algebra,  Fractions/Ratios/Decimals

Probus

7

522

15 May 2019, 09:41

View the latest post Manat

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

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

jwam2

7

1842

18 Aug 2017, 04:19

View the latest post Bunuel

3
ER
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

376

20 Mar 2019, 06:29

View the latest post Abhishek292kumar

3
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

215

26 Apr 2019, 22:17

View the latest post Shobhit7

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

266

31 May 2019, 07:37

View the latest post Archit3110

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

1432

28 Jun 2019, 23:02

View the latest post RJ7X0DefiningMyX

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

1012

26 May 2018, 08:44

View the latest post CAMANISHPARMAR

3
View first unread post If a and b are real numbers such that the following expression is true  

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

nick1816

1

188

11 May 2019, 02:28

View the latest post globaldesi

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

293

19 Mar 2019, 01:39

View the latest post EgmatQuantExpert

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

212

18 Apr 2019, 04:24

View the latest post NeoNguyen1989

3
ER
View first unread post A student receives his grade report from a local community college, bu  

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

SajjadAhmad

5

400

05 Aug 2019, 19:19

View the latest post ScottTargetTestPrep

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

723

09 Dec 2018, 04:30

View the latest post aragonn

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

385

14 Feb 2019, 06:08

View the latest post fskilnik

4
View first unread post Attachment(s) A bank transfers sum of money to Mr. Cathrall...  

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

Nikhilaery

5

640

26 May 2019, 05:15

View the latest post mallicks123

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

238

16 Jan 2019, 22:22

View the latest post KanishkM

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

484

28 May 2019, 06:52

View the latest post ScottTargetTestPrep

4
ER
View first unread post x,y,z are consecutive integers (x<y<z). Which of the following  

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

trankimphuong

7

618

03 Oct 2018, 00:10

View the latest post pushpitkc

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