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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

9158

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

104407

29 Jul 2019, 07:22

View the latest post Shrinidhi

1937
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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

755822

22 Feb 2012, 11:27

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Topics

17
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View first unread post (1.0004)(0.9998) – (1.0002)(0.9996) =  

Tags: Difficulty: 700-Level,  Arithmetic,  Fractions/Ratios/Decimals,  Source: Other - Please specify

CAMANISHPARMAR

5

876

14 Dec 2019, 06:45

View the latest post dips1122

27
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View first unread post What is the 18th digit to the right of the decimal point  

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

Pansi

6

6689

14 Dec 2019, 04:34

View the latest post bumpbot

16
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View first unread post If N = K/(T + x/y), where T = K/5 and x = 5 – T which of the following  

Tags: Difficulty: 700-Level,  Algebra,  Source: Official Guide

gmatt1476

8

1241

13 Dec 2019, 12:35

View the latest post EMPOWERgmatRichC

1333
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View first unread post NEW!!! Tough and tricky exponents and roots questions  

Go to page: 1 ... 4, 5, 6 Tags: Difficulty: 700-Level,  Algebra,  Exponents/Powers,  Roots,  Source: GMAT Club Tests

Bunuel

103

322852

13 Dec 2019, 00:39

View the latest post anvesharma

1
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View first unread post The average of the numbers 1, 2, 3,..., 98, 99, and x is 100x. What is  

Tags: Difficulty: 700-Level,  Algebra,  Statistics and Sets Problems,  Source: Other - Please specify

Bunuel

6

727

12 Dec 2019, 19:52

View the latest post ScottTargetTestPrep

4
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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

5

1147

12 Dec 2019, 02:30

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2
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

9

458

11 Dec 2019, 10:20

View the latest post Kinshook

6
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View first unread post If (a + 1/a)^2 = 3, find the value of a^3 + 1/a^3  

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

Bunuel

3

306

09 Dec 2019, 18:55

View the latest post ScottTargetTestPrep

6
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View first unread post Which of the following is closest in value to 0.5729?  

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

Bunuel

4

809

09 Dec 2019, 18:38

View the latest post ScottTargetTestPrep

51
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View first unread post For a particular model of moving truck, rental agency A charges a dail  

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

chetan86

14

11740

09 Dec 2019, 17:45

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42
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View first unread post If x = 1/10 + 1/12 + 1/13 + 1/14 + 1/15, then which of the following i  

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

lalania1

7

3772

08 Dec 2019, 20:51

View the latest post ScottTargetTestPrep

99
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View first unread post Each of the 30 boxes in a certain shipment weighs either 10  

Tags: Difficulty: 700-Level,  Arithmetic,  Statistics and Sets Problems,  Word Problems,  Source: Experts' Global

reply2spg

17

26200

07 Dec 2019, 16:16

View the latest post EMPOWERgmatRichC

45
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View first unread post If ¡n! = (n!)^2, then ¡17! - ¡16! =  

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

AccipiterQ

9

14588

07 Dec 2019, 00:09

View the latest post hanutsingh

View first unread post Mr. Ravi invested an amount of Rs 2500 divided into two different sche  

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

TheNightKing

1

137

06 Dec 2019, 19:47

View the latest post SiddharthR

7
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View first unread post For which value of k does the following pair of equations yield a uniq  

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

Bunuel

2

258

06 Dec 2019, 08:35

View the latest post exc4libur

2
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View first unread post A shop hired new employees recently. The number of male employees inc  

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

MathRevolution

5

221

05 Dec 2019, 13:54

View the latest post jackfr2

8
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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

271

05 Dec 2019, 06:06

View the latest post chetan2u

5
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View first unread post If x, y, and z are positive real numbers such that x(y + z) = 152, y(z  

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

Bunuel

3

195

05 Dec 2019, 05:50

View the latest post exc4libur

8
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View first unread post For all nonnegative integers a, b, and c, the function G is defined by  

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

Bunuel

4

1439

04 Dec 2019, 12:12

View the latest post bumpbot

ER
View first unread post For x, y satisfying x-3/3= y+2/2, x and y always satisfies ax + by =  

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

MathRevolution

2

171

04 Dec 2019, 02:17

View the latest post MathRevolution

29
ER
View first unread post The sum of the first 100 even positive integers – divided by the sum o  

Tags: Difficulty: 700-Level,  Arithmetic,  Source: Veritas Prep

shasadou

12

14138

03 Dec 2019, 00:55

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53
ER
View first unread post What is the units digit of 66^6 - 5^55?  

Tags: Difficulty: 700-Level,  Arithmetic,  Exponents/Powers,  Source: GMAT Club Tests

Bunuel

17

3284

03 Dec 2019, 00:50

View the latest post Bunuel

7
ER
View first unread post If (3 + 2√2)^(x^2 - 3) + (3 - 2√2)^(x^2 - 3) = b, then which of the fo  

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

DisciplinedPrep

7

310

02 Dec 2019, 22:54

View the latest post kapil1

2
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View first unread post A certain amount becomes 31/30 th of itself in 1/9 years  

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

TheNightKing

7

284

01 Dec 2019, 23:52

View the latest post MofeBhatia

189
ER
View first unread post The sum of all the digits of the positive integer q is equal  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Arithmetic,  Exponents/Powers,  Source: Manhattan GMAT

enigma123

22

23666

01 Dec 2019, 03:31

View the latest post bumpbot

11
ER
View first unread post Given f(x) = a|x| − bx^2, where a and b are constants. Then at x = 0,  

Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Algebra,  Functions and Custom Characters,  Min/Max Problems,  Out of Scope - Too Hard,  Source: Other - Please specify

CaptainLevi

5

419

01 Dec 2019, 03:21

View the latest post gvij2017

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

245

30 Nov 2019, 07:40

View the latest post VIVA1060

17
ER
View first unread post Question of the Week- 22 (Jack and Jill have certain number of ....)  

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

EgmatQuantExpert

4

1516

29 Nov 2019, 23:15

View the latest post bumpbot

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

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

11
ER
View first unread post If f(n) = 1154*1156 for some integer, n, which of the following expres  

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

Bunuel

9

493

28 Nov 2019, 17:09

View the latest post lacktutor

5
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View first unread post Let a, b, and c be three distinct one-digit numbers. What is the maxim  

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

Bunuel

2

321

28 Nov 2019, 11:59

View the latest post GMATPrepNow

461
ER
View first unread post Which of the following fractions is closest to 1/2?  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Arithmetic,  Fractions/Ratios/Decimals,  Source: OG 2017,  Source: OG 2018,  Source: OG 2019,  Source: OG 2020,  Source: Official Guide

AbdurRakib

27

39873

28 Nov 2019, 11:14

View the latest post agar123

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

7
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

354

28 Nov 2019, 01:36

View the latest post effatara

1349
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View first unread post Attachment(s) 0.99999999/1.0001 - 0.99999991/1.0003 =  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Algebra,  Arithmetic,  Number Properties,  Source: OG 2015,  Source: OG 2016,  Source: OG 2017,  Source: OG 2018,  Source: OG 2019,  Source: OG 2020,  Source: Official Guide

Walkabout

31

63445

27 Nov 2019, 22:02

View the latest post VeritasKarishma

390
ER
View first unread post Attachment(s) Each year for 4 years, a farmer increased the number of trees in a  

Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Arithmetic,  Word Problems,  Source: OG 2015,  Source: OG 2016,  Source: OG 2017,  Source: OG 2018,  Source: OG 2019,  Source: OG 2020,  Source: Official Guide

imhimanshu

51

45610

26 Nov 2019, 22:40

View the latest post VeritasKarishma

37
View first unread post If k is an integer and 33!/22! is divisible by 6^k  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Arithmetic,  Source: Manhattan GMAT

daviesj

23

5421

26 Nov 2019, 08:07

View the latest post Mansoor50

5
View first unread post The members of an association decided to contribute equally to create  

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

jackfr2

2

240

26 Nov 2019, 06:26

View the latest post Ansh777

12
ER
View first unread post ABC is a three-digit number such that ABC = 5(AB + BC + CA), where AB  

Tags: Difficulty: 700-Level,  Arithmetic,  Divisibility/Multiples/Factors,  Number Properties,  Source: Other - Please specify

CaptainLevi

2

289

26 Nov 2019, 06:09

View the latest post chetan2u

271
ER
View first unread post If each expression under the square root is greater than or  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Algebra,  Roots,  Source: GMAT Club Tests

study

25

14206

25 Nov 2019, 21:32

View the latest post jsound996

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

156

25 Nov 2019, 19:45

View the latest post chetan2u

10
ER
View first unread post Attachment(s) Let d > c > b > a. If c is twice as far from a as it is from d, and b  

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

Bunuel

2

408

25 Nov 2019, 11:07

View the latest post harshi17

6
View first unread post If x = sqrt(2) - 1, then the value of x^4+4x^3+6x^2+4x+7 is  

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

CaptainLevi

1

131

25 Nov 2019, 03:18

View the latest post nick1816

145
ER
View first unread post A certain quantity is measured on two different scales, the  

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

appy001

18

9985

24 Nov 2019, 07:18

View the latest post Hovkial

31
ER
View first unread post What is the 21st digit of the decimal [  

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

gmatbusters

7

1133

23 Nov 2019, 12:47

View the latest post TheNightKing

22
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

2

573

23 Nov 2019, 10:39

View the latest post TheNightKing

22
ER
View first unread post For any numbers x and y, x<>y = 2x - y - xy. If x<>y = 0, then which  

Tags: Difficulty: 700-Level,  Algebra

Bunuel

8

4399

23 Nov 2019, 01:26

View the latest post bumpbot

11
ER
View first unread post Twice a number is 3 times the square of the number less than one. If  

Tags: Difficulty: 700-Level,  Algebra,  Word Problems,  Source: Magoosh

mikemcgarry

5

2316

22 Nov 2019, 12:58

View the latest post ScottTargetTestPrep

5
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View first unread post If x and y are positive numbers such that x^y = y^x and y = 9x, then  

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

Bunuel

4

431

22 Nov 2019, 12:49

View the latest post ScottTargetTestPrep

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