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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

bb

0

741

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

3104

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

6171

16 Jun 2019, 23:00

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Announcements

474
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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

95160

11 Jul 2019, 10:17

View the latest post vibhash

1816
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

bb

0

709106

22 Feb 2012, 11:27

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Topics

1
View first unread post Ezra pays $0.75 each time he takes a public transport to reach his sch  

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

reynaldreni

1

298

04 Oct 2018, 02:09

View the latest post sambit140

8
View first unread post A certain investment grows at an annual interest rate of 16 percent...  

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

CAMANISHPARMAR

1

483

08 Dec 2018, 09:34

View the latest post doomedcat

6
ER
View first unread post Claudio wants to be well prepared for a long marathon that will occur  

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

fskilnik

1

305

12 Mar 2019, 15:13

View the latest post fskilnik

View first unread post If x=3+3^{1/3}+3^{5/3}, then find the value of x^3-9x^2.  

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

nick1816

1

168

13 May 2019, 09:10

View the latest post GMATWhizard

4
ER
View first unread post Find the minimum value of x^2 + 7x + 14. A. 14 B. -7 C. 0 D. 7 E. 1.75  

Tags: Difficulty: 700-Level,  Algebra,  Min/Max Problems,  Source: Other - Please specify

Dillesh4096

1

157

12 Jul 2019, 01:06

View the latest post Bunuel

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

221

16 Jan 2019, 22:22

View the latest post KanishkM

2
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

1

165

19 Apr 2019, 23:55

View the latest post chetan2u

4
ER
View first unread post The sequence a1, a2, a3, ..., an,…...is such that an= 1/n^2−1/(n−1)^2  

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

mangamma

1

269

02 May 2019, 00:27

View the latest post chetan2u

2
ER
View first unread post In the sequence above, the first 3 terms repeat without end. What is  

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

Bunuel

1

513

11 Dec 2018, 03:48

View the latest post Archit3110

4
View first unread post If a^x = b^y = ab, then find the value of y  

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

nick1816

1

238

22 Apr 2019, 04:18

View the latest post neha283

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View first unread post Which of the following are greater than 1?  

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

Bunuel

1

192

03 Jun 2019, 00:56

View the latest post sakshamchhabra

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

2
ER
View first unread post a, b, c, and d are all positive integers. If ab/(c + d) = 3.7 which of  

Tags: Difficulty: 700-Level,  Algebra,  Divisibility/Multiples/Factors,  Must or Could be True Questions,  Source: Other - Please specify

Bunuel

1

224

28 May 2019, 01:35

View the latest post LeoN88

7
View first unread post For all values of x, y, and z, x ◊ y ◊ z = x2(y − 1)(z + 2).  

Tags: Difficulty: 700-Level,  Algebra,  Functions and Custom Characters,  Number Properties,  Source: Kaplan

CAMANISHPARMAR

1

582

28 May 2018, 11:08

View the latest post FillFM

3
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: Other - Please specify

SajjadAhmad

1

386

19 Oct 2018, 13:10

View the latest post Salsanousi

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

375

14 Mar 2018, 09:58

View the latest post chetan2u

1
ER
View first unread post Let G and H be positive integers. 2G - 10 > -H and 3H - 20 < -G. If L  

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

reynaldreni

1

307

28 Sep 2018, 10:37

View the latest post chetan2u

13
View first unread post How many real solutions exist for the equation x2 – 11|x| - 60 = 0? 3  

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

cfc198

1

471

30 Dec 2018, 13:33

View the latest post DisciplinedPrep

5
ER
View first unread post If x, y, and z are positive numbers satisfying x + 1/y = 4, y + 1/z =  

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

Bunuel

1

222

15 Mar 2019, 01:45

View the latest post itsanujsingh

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

View the latest post UdayPratapSingh99

ER
View first unread post Rank these three quantities from least to greatest.  

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

Bunuel

1

424

23 Oct 2018, 04:37

View the latest post GMATinsight

1
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

1

415

29 Jun 2018, 03:05

View the latest post chetan2u

5
ER
View first unread post xy and yx are a pair of reversed two digit positive integers. If x^2-y  

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

gracie

1

482

26 Aug 2018, 18:44

View the latest post generis

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

219

19 Mar 2019, 11:12

View the latest post Chethan92

2
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

170

26 Apr 2019, 22:17

View the latest post Shobhit7

4
ER
View first unread post Which of the following is 10 % less than 2?  

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

Bunuel

1

422

01 May 2018, 06:36

View the latest post RohitGoyal1123

6
View first unread post If a, b, and c are consecutive integers, where a<b<c, which of the fol  

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

Zed3092

1

287

02 Dec 2018, 03:27

View the latest post Princ

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

314

22 Mar 2019, 20:20

View the latest post chetan2u

8
ER
View first unread post The function f(n) is defined as the product of all integers from 1 to  

Tags: Difficulty: 700-Level,  Algebra,  Functions and Custom Characters,  Source: e-GMAT

kiran120680

1

252

31 May 2019, 09:06

View the latest post IanStewart

1
View first unread post (H^2 - 2H)^(1/2) = T(1 - R^2)^(1/2)/(K(1 - g^k)), then 3H =  

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

KSBGC

1

316

11 Mar 2019, 12:14

View the latest post garvitbh111

5
ER
View first unread post If the function f is defined by f(p) = p^2 + 1/p^2 for all non-zero nu  

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

Bunuel

1

423

02 Oct 2018, 00:21

View the latest post Chethan92

2
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

170

11 May 2019, 02:28

View the latest post globaldesi

3
View first unread post If 0<X<Y<Z<1, the value of which of the following will decrease when  

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

rohan2345

1

142

21 May 2019, 03:08

View the latest post LeoN88

3
View first unread post Edward invested five-ninths of his money at an annual rate of 2r% comp  

Tags: Difficulty: 700-Level,  Algebra,  Percents and Interest Problems,  Source: e-GMAT

kiran120680

1

273

31 May 2019, 15:01

View the latest post nick1816

4
View first unread post 4≤p≤9, -0.25≤q≤0.36, -0.49≤r≤-0.01 and r/s^2 = p^2/q, where p, q, r an  

Tags: Difficulty: 700-Level,  Algebra,  Inequalities,  Min/Max Problems,  Source: Other - Please specify

nick1816

1

180

04 Jul 2019, 03:31

View the latest post Kinshook

ER
View first unread post As x increases from 141 to 142, which of the following increases?  

Tags: Difficulty: 700-Level,  Arithmetic,  Source: Economist GMAT Tutor

reto

1

1540

27 Jun 2015, 07:05

View the latest post GMATinsight

4
ER
View first unread post For all numbers a and b, let a#b = (a + b)^2 – 2ab. Which of the follo  

Tags: Difficulty: 700-Level,  Algebra,  Functions and Custom Characters,  Source: Veritas Prep

Bunuel

1

814

09 Apr 2018, 03:03

View the latest post Luckisnoexcuse

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

217

21 May 2019, 19:07

View the latest post chetan2u

7
ER
View first unread post What is the Value of (1 + 3^(1/2))(2 + 3^(1/2))^(1/2)  

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

rheabiswal

1

457

02 Oct 2018, 03:49

View the latest post chetan2u

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

View the latest post EgmatQuantExpert

3
ER
View first unread post If a/b<c/d & bd < 0, which of the following inequalities must be true?  

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

mangamma

1

239

25 Apr 2019, 22:42

View the latest post chetan2u

1
ER
View first unread post Each of the following linear equations defines y as a function of x  

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

Raj30

1

155

22 May 2019, 09:27

View the latest post IanStewart

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

192

19 Mar 2019, 01:39

View the latest post EgmatQuantExpert

1
ER
View first unread post The integer v is greater than 1. If v is the square of an integer, whi  

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

Bunuel

1

180

23 May 2019, 02:15

View the latest post LeoN88

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

1260

24 Mar 2019, 15:47

View the latest post bumpbot

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

345

14 Feb 2019, 06:08

View the latest post fskilnik

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

1
View first unread post If a+b+c+d=30, where a,b,c and d are integers, then the minimum possib  

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

nick1816

2

207

30 Apr 2019, 10:50

View the latest post pandajee

1
ER
View first unread post If a⊙b=(a+b)^2-2ab, which of the following is(are) true?  

Tags: Difficulty: 700-Level,  Algebra,  Functions and Custom Characters,  Source: Math Revolution

MathRevolution

2

516

02 Feb 2018, 02:01

View the latest post MathRevolution

11
ER
View first unread post x^2 + 4x + 1 = 0. What is the value of x^2 + 1/x^2?  

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

MathRevolution

2

274

03 May 2019, 00:16

View the latest post MathRevolution

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