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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

4827

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

9159

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

104410

29 Jul 2019, 07:22

View the latest post Shrinidhi

1937
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

755890

22 Feb 2012, 11:27

View the latest post bb

Topics

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

6
View first unread post If a and b are integers of opposite signs such that (a + 3)^2 : b^2  

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

nick1816

1

259

28 May 2019, 23:23

View the latest post Dillesh4096

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

626

28 May 2018, 11:08

View the latest post FillFM

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

460

02 Oct 2018, 00:21

View the latest post Chethan92

3
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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

156

25 Nov 2019, 19:45

View the latest post chetan2u

8
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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

499

02 Oct 2018, 03:49

View the latest post chetan2u

2
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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

689

11 Dec 2018, 03:48

View the latest post Archit3110

4
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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

322

25 Apr 2019, 22:42

View the latest post chetan2u

4
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

192

21 May 2019, 03:08

View the latest post LeoN88

9
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

405

31 May 2019, 09:06

View the latest post IanStewart

9
View first unread post If x^2 - 7x + |k| = 0 has real roots. How many integer values can 'k'  

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

Dillesh4096

1

425

07 Aug 2019, 08:11

View the latest post firas92

1
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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

486

29 Jun 2018, 03:05

View the latest post chetan2u

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

297

21 Mar 2019, 09:04

View the latest post Archit3110

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

278

21 May 2019, 19:07

View the latest post chetan2u

5
ER
View first unread post Novak invested $5000 in scheme A for 4 years, which gave a fixed rate  

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

mangamma

1

376

23 Jul 2019, 04:57

View the latest post Kinshook

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

488

22 May 2019, 09:27

View the latest post IanStewart

13
View first unread post Given that g(h(x)) = 2x^2 + 3x, and h(g(x)) = x^2 + 4x - 4 for all the  

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

nick1816

1

450

10 Aug 2019, 23:04

View the latest post nick1816

View first unread post The number of polynomials p(x) with integer coefficients such that the  

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

nick1816

1

201

29 Nov 2019, 06:55

View the latest post nick1816

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

398

14 Mar 2018, 09:58

View the latest post chetan2u

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

317

15 Mar 2019, 01:45

View the latest post itsanujsingh

1
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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

278

23 May 2019, 02:15

View the latest post LeoN88

7
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

307

04 Jul 2019, 03:31

View the latest post Kinshook

5
ER
View first unread post How many positive integral values of P are possible, if f(x)= x^2-8x+  

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

nick1816

1

256

29 Nov 2019, 00:29

View the latest post chetan2u

14
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

597

30 Dec 2018, 13:33

View the latest post DisciplinedPrep

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

230

05 Apr 2019, 02:51

View the latest post UdayPratapSingh99

6
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

331

02 May 2019, 00:27

View the latest post chetan2u

1
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

201

13 May 2019, 09:10

View the latest post GMATWhizard

1
View first unread post A salesman’s monthly wage is calculated as follows: He gets paid $80 f  

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

Kinshook

1

167

16 Nov 2019, 10:38

View the latest post Tj046

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

288

19 Mar 2019, 11:12

View the latest post Chethan92

6
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

294

22 Apr 2019, 04:18

View the latest post neha283

2
View first unread post A man purchases five tables and seven chairs for $5850.  

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

Hovkial

1

215

29 Sep 2019, 10:46

View the latest post Mohammadmo

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

373

11 Mar 2019, 12:14

View the latest post garvitbh111

13
ER
View first unread post For how many integers n between 1 and 50, inclusive, is (n^2 - 1)!/(n!  

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

Bunuel

1

616

15 May 2019, 22:12

View the latest post VeritasKarishma

2
View first unread post The cost of 40 pens, 44 pencils and 50 erasers is $392. The cost of 4  

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

nick1816

1

255

21 Jun 2019, 07:45

View the latest post nick1816

5
ER
View first unread post Erina has a bag that starts with 50 marbles in it: 10 green marbles  

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

Xin Cho

1

319

13 Sep 2019, 14:13

View the latest post ccooley

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

514

19 Oct 2018, 13:10

View the latest post Salsanousi

9
ER
View first unread post If x and y are integers and 2*x^(1/2) + y^2 < 5, then x*y can take how  

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

Bunuel

1

262

30 Sep 2019, 06:47

View the latest post chetan2u

ER
View first unread post If T = 1/(1*2) + 1/(2*3) + 1/(3*4) + 1/(4*5) + ......... 1/[n(n+1)]  

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

Bunuel

1

326

01 Nov 2019, 06:58

View the latest post lacktutor

3
View first unread post Both a and b are perfect squares, and the product a ×b is divisible by  

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

nivikumar93

1

353

24 Apr 2019, 20:42

View the latest post manu11

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

352

27 Jul 2019, 05:45

View the latest post RJ7X0DefiningMyX

2
View first unread post Is x and y are positive integers, what is the value of x?  

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

Anasayaydah

1

197

01 Nov 2019, 22:54

View the latest post Anasayaydah

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

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

Bunuel

1

480

23 Oct 2018, 04:37

View the latest post GMATinsight

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

263

19 Mar 2019, 00:58

View the latest post EgmatQuantExpert

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

290

17 Apr 2019, 01:57

View the latest post Prateek1793

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

243

26 Apr 2019, 22:17

View the latest post Shobhit7

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

475

28 May 2019, 01:35

View the latest post LeoN88

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

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

Bunuel

1

264

03 Jun 2019, 00:56

View the latest post sakshamchhabra

6
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

324

12 Jul 2019, 01:06

View the latest post Bunuel

8
View first unread post Find the number of non-negative integer solutions of  

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

TheNightKing

1

239

30 Sep 2019, 22:56

View the latest post nick1816

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

185

28 Nov 2019, 05:56

View the latest post chetan2u

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