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

Go to page: 1, 2 Tags: Source: EMPOWERgmat

EMPOWERgmatRichC

26

4828

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  

Go to page: 1 ... 8, 9, 10 Tags: Source: Veritas Prep

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

104411

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

755891

22 Feb 2012, 11:27

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Topics

224
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View first unread post A set of 15 different integers has median of 25 and a range  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Algebra,  Statistics and Sets Problems,  Source: GMAT Prep

bhushangiri

23

48964

08 Oct 2019, 08:12

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13
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View first unread post Which of the following are roots of an equation x-2+2x-1-15=0  

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

MathRevolution

8

2654

07 Oct 2019, 07:38

View the latest post jvarmaonninen

16
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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

493

07 Oct 2019, 07:14

View the latest post exc4libur

11
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

2

770

07 Oct 2019, 06:32

View the latest post exc4libur

16
ER
View first unread post The product of the first 10 prime numbers is closest to whic  

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

emmak

5

8231

07 Oct 2019, 05:15

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5
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View first unread post If M and N are non-zero integers and M > N, then which of the  

Tags: Difficulty: 700-Level,  Algebra,  Arithmetic,  Number Properties,  Source: EMPOWERgmat

EMPOWERgmatRichC

4

363

06 Oct 2019, 21:05

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24
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View first unread post Two trains, 100 miles apart, travelling towards each other on parallel  

Tags: Difficulty: 700-Level,  Algebra,  Distance/Rate Problems,  Source: Other - Please specify

DisciplinedPrep

4

769

06 Oct 2019, 20:00

View the latest post Harsh2111s

7
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View first unread post If a and b are nonnegative integers and 4a + 3b = 32, how many values  

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

Bunuel

8

1549

06 Oct 2019, 07:17

View the latest post bhargava05

85
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View first unread post At an amusement park, tom bought a number of red tokens and  

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

calreg11

16

8176

06 Oct 2019, 06:59

View the latest post bumpbot

8
ER
View first unread post An office building housed some tenants and service workers.  

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

Hovkial

2

298

05 Oct 2019, 16:50

View the latest post ScottTargetTestPrep

16
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View first unread post If a1 and a2 are the real roots of x^2-px+12=0, then which of the  

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

darshshah981

3

447

05 Oct 2019, 11:04

View the latest post TestPrepUnlimited

6
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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

504

04 Oct 2019, 02:56

View the latest post Bunuel

292
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View first unread post The product of all the prime numbers less than 20 is closest to which  

Tags: Difficulty: 700-Level,  Arithmetic,  Exponents/Powers,  Source: OG 2015,  Source: OG 2016,  Source: OG 2017,  Source: OG 2018,  Source: OG 2019,  Source: OG 2020,  Source: Official Guide

Bunuel

15

62673

03 Oct 2019, 19:05

View the latest post jabhatta@umail.iu.edu

18
ER
View first unread post If x is negative and y is positive, what is 4x2−4xy+y2  

Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Algebra,  Source: Veritas Prep

PriyankaPalit7

6

1194

03 Oct 2019, 15:58

View the latest post dcummins

11
View first unread post Attachment(s) 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

4

708

03 Oct 2019, 13:18

View the latest post icanhazmba

8
ER
View first unread post Cathy has equal numbers of nickels and quarters worth a total of $7.50  

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

Bunuel

6

3166

03 Oct 2019, 12:25

View the latest post ScottTargetTestPrep

5
ER
View first unread post How many digits does 5437682*34567254 have?  

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

MathRevolution

3

348

02 Oct 2019, 02:29

View the latest post MathRevolution

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

24
ER
View first unread post How many positive values of x exist if n is a positive integer and 10  

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

Bunuel

11

1773

30 Sep 2019, 09:08

View the latest post Kanika3agg

30
ER
View first unread post Attachment(s) If the sum of the first 30 positive odd inte  

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

EgmatQuantExpert

12

3664

30 Sep 2019, 09:03

View the latest post GMATPrepNow

123
ER
View first unread post If y=root(3y+4), then the product of all possible solution  

Tags: Difficulty: 700-Level,  Algebra,  Roots

Prax

15

8952

30 Sep 2019, 07:28

View the latest post EgmatQuantExpert

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

20
View first unread post If sqrt(3x)-sqrt(4y)=3 and x-4/3y=5 then xy =  

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

Scyzo

7

1507

30 Sep 2019, 05:56

View the latest post Kanika3agg

18
ER
View first unread post If x and y are integers greater than 3, and 15y – 11x = 8,  

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

GMATPrepNow

8

1394

30 Sep 2019, 05:37

View the latest post Kanika3agg

8
ER
View first unread post If xy≠0, and √x−y=√x−√y, which of the following must be  

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

GMATPrepNow

5

416

29 Sep 2019, 23:25

View the latest post navderm

7
ER
View first unread post xyz=2, what is the value of x/(xy+x+2) + y/(yz+y+1) + 2z/(zx+2  

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

MathRevolution

3

280

29 Sep 2019, 23:20

View the latest post Kanika3agg

6
ER
View first unread post Of the following, which is most nearly equal to 2/3 ?  

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

Bunuel

4

331

29 Sep 2019, 14:41

View the latest post EgmatQuantExpert

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

27
ER
View first unread post Attachment(s) What is the value of 1/(1*2)+1/(2*3)+...+1/(99*100)?  

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

broall

10

8832

29 Sep 2019, 01:07

View the latest post bumpbot

5
View first unread post Let f(x) = min{x^2 - 2, 1 - 2x}, for any positive real numbe  

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

Dillesh4096

2

242

29 Sep 2019, 01:03

View the latest post Kanika3agg

19
View first unread post |a+b|/|a|+|b| + |b+c|/|b|+|c| +|c+a|/|c|+|a|=M  

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

nick1816

10

827

28 Sep 2019, 05:02

View the latest post Rohit2015

29
View first unread post (1+√3)(√(2 + √3) = ?  

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

jwang516

4

1432

27 Sep 2019, 23:23

View the latest post bumpbot

17
ER
View first unread post One filter decreases the concentration of harmful substances in water  

Tags: Difficulty: 700-Level,  Algebra,  Word Problems,  Source: GMAT Club Tests

honchos

9

3515

27 Sep 2019, 04:47

View the latest post bumpbot

41
ER
View first unread post What is the product of all values of x that satisfies the equation:  

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

EgmatQuantExpert

17

4025

27 Sep 2019, 04:26

View the latest post pepperoniPizza

43
ER
View first unread post The cost per unit of electricity during a 4 year period is a  

Tags: Difficulty: 700-Level,  Algebra,  Source: GMAT Paper Tests

Safal

11

4998

27 Sep 2019, 03:12

View the latest post VeritasKarishma

12
ER
View first unread post If 0 < x < 1 and y > 1, (√(x + y − 2√xy) + √(x + y + 2√xy) =  

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

Bunuel

6

879

26 Sep 2019, 22:20

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9
ER
View first unread post How many digits will be there to the right of the decimal point in the  

Tags: Difficulty: 700-Level,  Arithmetic,  Number Properties,  Word Problems,  Source: GMAT Hacks,  Source: Other - Please specify

Bunuel

8

718

26 Sep 2019, 06:16

View the latest post VeritasKarishma

3
View first unread post If ?m! = m^2, then what will ?15!-?14! equal to?  

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

EncounterGMAT

7

288

25 Sep 2019, 18:55

View the latest post Kinshook

17
ER
View first unread post If (x^2+8)yz < 0, wz > 0, and xyz < 0, the which of the following mus  

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

CAMANISHPARMAR

6

1176

25 Sep 2019, 16:26

View the latest post TheNightKing

8
ER
View first unread post At Nat’s Nuts a 2.25 pound bag of pistachio nuts cost $6.00. At this  

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

Bunuel

11

1122

25 Sep 2019, 08:47

View the latest post Archit3110

28
ER
View first unread post The ratio, by volume, of acid to base to water in a certain solution  

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

Prashanth3007

6

2112

24 Sep 2019, 22:30

View the latest post bumpbot

211
ER
View first unread post N and M are each 3-digit integers. Each of the numbers 1, 2,  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Arithmetic,  Min/Max Problems,  Source: GMAT Prep

nobelgirl777

24

19751

24 Sep 2019, 09:48

View the latest post Kinshook

128
ER
View first unread post How many different pairs of integers (a, b) exist such that 2 <= a <=  

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

Bunuel

8

6476

24 Sep 2019, 07:27

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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

479

24 Sep 2019, 04:08

View the latest post chrtpmdr

13
ER
View first unread post Attachment(s) In the recent electoral polls, 15% of the voter turnout were under the  

Tags: Difficulty: 700-Level,  Algebra,  Probability,  Source: GMAT Hacks

ssp4all

4

2455

24 Sep 2019, 01:21

View the latest post chrtpmdr

4
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

2

342

24 Sep 2019, 00:50

View the latest post chrtpmdr

60
ER
View first unread post Attachment(s) The table shows the amount budgeted and the amount spent for each of  

Tags: Difficulty: 700-Level,  Arithmetic,  Percents and Interest Problems,  Word Problems,  Source: OG 2018,  Source: OG 2019,  Source: OG 2020,  Source: Official Guide

AbdurRakib

10

10754

23 Sep 2019, 19:07

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6
ER
View first unread post If the average (arithmetic mean) of 7 positive temperatures is x degre  

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

SajjadAhmad

2

263

23 Sep 2019, 18:29

View the latest post ScottTargetTestPrep

4
ER
View first unread post If a temperature can be converted from the M scale to the P scale by m  

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

SajjadAhmad

2

178

21 Sep 2019, 05:25

View the latest post styleashish

34
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View first unread post If x^1+x^(−1)=5, what is the value of x^4+x^(−4)?  

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

Bunuel

8

3603

20 Sep 2019, 07:00

View the latest post exc4libur

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