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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

4186

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

8088

12 Oct 2019, 01:31

View the latest post Ramya16

Announcements

506
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View first unread post 100 Hardest and easiest questions for PS as of September 2019  

Tags: Difficulty: 700-Level

Bunuel

12

100570

29 Jul 2019, 07:22

View the latest post Shrinidhi

1896
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

737623

22 Feb 2012, 11:27

View the latest post bb

Topics

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

356

18 Mar 2019, 03:32

View the latest post GMATinsight

10
ER
View first unread post Each of A, B and C represents a one-digit integer. AB and BA are two-d  

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

MathRevolution

5

358

29 May 2019, 03:18

View the latest post RJ7X0DefiningMyX

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

359

24 Sep 2019, 04:08

View the latest post chrtpmdr

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

362

30 Mar 2019, 12:08

View the latest post lucajava

1
View first unread post The quadratic equation x 2 + mx + n = 0 has roots that are twice thos  

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

Rubina11

2

364

14 Mar 2019, 11:15

View the latest post MahmoudFawzy

7
ER
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

365

04 Apr 2019, 18:19

View the latest post ScottTargetTestPrep

11
ER
View first unread post If [m](\sqrt[3]{4})([square_root]5.5[/square_root])=([square_root]22[/  

Tags: Difficulty: 700-Level,  Algebra,  Roots,  Source: GMATPrepNow

GMATPrepNow

3

367

12 Aug 2019, 10:18

View the latest post Kinshook

6
ER
View first unread post What is the value of Z if (|2Z|)! – |Z| = Z ?  

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

Bunuel

3

369

29 Sep 2019, 04:54

View the latest post itoyj

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

370

30 Jun 2019, 18:05

View the latest post MathRevolution

5
ER
View first unread post Find x^4 + 1/x^4 if x – 1/x = 2.  

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

MathRevolution

2

373

25 Nov 2018, 18:38

View the latest post MathRevolution

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
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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

383

14 Feb 2019, 06:08

View the latest post fskilnik

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

384

22 Feb 2019, 21:39

View the latest post KanishkM

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

385

28 May 2019, 01:35

View the latest post LeoN88

3
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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

386

20 Mar 2019, 20:34

View the latest post foryearss

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

388

14 Mar 2018, 09:58

View the latest post chetan2u

1
ER
View first unread post If x>0, what is the sum of the roots of the equation x^sqrt(x)=x^2?  

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

fskilnik

5

392

12 Mar 2019, 04:14

View the latest post fskilnik

5
ER
View first unread post Which of the following could be the value of x + y, if both (x + 1/5)  

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

Bunuel

4

394

07 Jun 2019, 06:07

View the latest post firas92

8
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

395

07 Aug 2019, 08:11

View the latest post firas92

8
ER
View first unread post A container of milk costs $60. If the container were to hold  

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

cfc198

2

396

19 Dec 2018, 07:17

View the latest post VeritasKarishma

7
View first unread post Attachment(s) Which of the following must be true?  

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

gmatbusters

5

398

13 Oct 2018, 11:00

View the latest post guptakashish02

8
View first unread post Find the value of x3 + 8y3 + z3 in terms of x, y and z if x  

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

Rajat1998

4

399

09 Jun 2019, 21:58

View the latest post Dillesh4096

5
ER
View first unread post If (2x+y-z)^2+(x-y)^2+(z-3)^2=-(3y-z)^2, what is the value of 3x+2y+z?  

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

fskilnik

4

399

04 Mar 2019, 16:19

View the latest post fskilnik

1
ER
View first unread post You have access to an unlimited number of each of the following coins:  

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

fskilnik

2

401

25 Feb 2019, 12:55

View the latest post fskilnik

1
View first unread post Jake’s regular hourly wage is twice of Kevin’s regular hourly wage, bu  

Tags: Difficulty: 700-Level,  Arithmetic,  Work/Rate Problems,  Source: Other - Please specify

btrg

2

403

01 May 2019, 08:24

View the latest post effatara

1
ER
View first unread post The decorating committee for a dance plans to fringe the 3-inch-wide  

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

Bunuel

4

403

06 Feb 2019, 13:12

View the latest post snehaluk

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

405

02 Jun 2019, 08:50

View the latest post jackfr2

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

406

28 Mar 2019, 12:48

View the latest post GMATGuruNY

4
View first unread post The total value of the coins in a piggy bank is 1 dollar.  

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

rohan2345

2

407

09 Mar 2019, 19:46

View the latest post sumert

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

408

10 Aug 2019, 23:04

View the latest post nick1816

9
ER
View first unread post Consider the set of all fractions x/y, where x and y are relatively pr  

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

Bunuel

4

409

03 May 2019, 09:27

View the latest post Aderonke01

5
ER
View first unread post The product of all prime numbers less than 29 is approximately equal  

Tags: Difficulty: 700-Level,  Arithmetic,  Number Properties,  Source: Princeton Review

Bunuel

2

411

29 Apr 2019, 12:52

View the latest post janadipesh

10
View first unread post x and y are a pair of positive integers such that both their sum and d  

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

gracie

4

413

18 Aug 2019, 12:01

View the latest post gracie

13
ER
View first unread post A GMAT aspirant appears for a certain number of tests. His average sco  

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

nick1816

5

419

07 Oct 2019, 07:14

View the latest post exc4libur

2
ER
View first unread post What is the product of the factors of twice the sum of the roots of th  

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

Bunuel

3

420

10 Dec 2018, 09:15

View the latest post ArjunJag1328

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

423

11 Nov 2018, 23:06

View the latest post MathRevolution

6
View first unread post Of the following expressions, which one has the smallest value?  

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

CAMANISHPARMAR

4

424

02 Feb 2019, 11:29

View the latest post anmit123

7
ER
View first unread post (x^8y^2+x^2y^8)/(x^2+y^2)=?  

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

MathRevolution

3

425

02 Jan 2019, 01:46

View the latest post MathRevolution

1
ER
View first unread post Mary has $4.6 in nickels and dimes only. If she has fewer dimes than  

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

rohan2345

4

426

17 Dec 2018, 05:23

View the latest post ksrutisagar

ER
View first unread post Which three of the following numbers, when multiplied by each other, y  

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

Bunuel

5

431

26 Jul 2019, 23:08

View the latest post chetansood

11
View first unread post In a certain sequence a1, a2, ...an..., for n>1, each term is the sum  

Tags: Difficulty: 700-Level,  Arithmetic,  Sequences,  Source: 800 Score

MBA20

3

431

22 Apr 2019, 01:45

View the latest post lucajava

6
ER
View first unread post The number of visible stars in the night sky, T, can be estimated by  

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

Bunuel

4

433

04 Oct 2019, 02:56

View the latest post Bunuel

18
ER
View first unread post N is a positive 3-digit integer in which all three digits have  

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

GMATPrepNow

3

433

11 Jul 2019, 06:21

View the latest post GMATPrepNow

4
View first unread post A is 30% more efficient than B. How much time will they take to  

Tags: Difficulty: 700-Level,  Arithmetic,  Work/Rate Problems,  Source: Other - Please specify

jackfr2

9

437

27 May 2019, 18:33

View the latest post LeoN88

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

437

24 Mar 2019, 18:43

View the latest post ScottTargetTestPrep

8
View first unread post Santa is packing 10 boxes into his sleigh. each box weighs either 20  

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

divyadamahe

4

439

01 Feb 2019, 23:26

View the latest post KanishkM

10
ER
View first unread post Which of the following is two more than square of an odd integer?  

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

workout

2

439

03 Dec 2018, 06:03

View the latest post EAGMAT

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

440

11 Nov 2018, 09:58

View the latest post Arro44

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

441

05 Dec 2018, 19:13

View the latest post generis

9
ER
View first unread post What is the minimum value of the expression  

Tags: Difficulty: 700-Level,  Algebra,  Min/Max Problems,  Source: e-GMAT

EgmatQuantExpert

2

441

05 Aug 2019, 22:01

View the latest post EgmatQuantExpert

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