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Problem Solving (PS)

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

Tags: Source: EMPOWERgmat

EMPOWERgmatRichC

5

1639

29 Dec 2018, 19:19

View the latest post Tashin Azad

View first unread post Veritas Prep PS Forum Expert - Karishma - Ask Me Anything about Math  

Go to page: 1, 2, 3, 4, 5 Tags: Source: Veritas Prep

VeritasKarishma

84

2763

04 Feb 2019, 01:40

View the latest post VeritasKarishma

Announcements

419
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View first unread post 100 Hardest and easiest questions for PS as of January 2019  

Tags: Difficulty: 700-Level

Bunuel

8

85849

07 Mar 2018, 22:18

View the latest post Gladiator59

1677
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: Official Guide

bb

0

655088

22 Feb 2012, 10:27

View the latest post bb

Topics

9
ER
View first unread post In a sequence of consecutive numbers the sum of the first half of the  

Tags: Difficulty: Sub-600 Level,  Sequences,  Source: Other - Please specify

Bunuel

9

730

07 Feb 2019, 00:05

View the latest post KanishkM

ER
View first unread post If n is an odd integer, which of the following is the square of the ne  

Tags: Difficulty: 600-700 Level,  Number Properties,  Source: Magoosh

Bunuel

2

74

07 Feb 2019, 00:03

View the latest post Archit3110

3
ER
View first unread post If x/y is a fraction greater than 1, then which of the following must  

Tags: Difficulty: Sub-600 Level,  Number Properties,  Source: Other - Please specify

Bunuel

3

1385

06 Feb 2019, 23:42

View the latest post bumpbot

2
ER
View first unread post Attachment(s) A toy company expects the ratio of broken toys to the total number of  

Tags: Difficulty: 600-700 Level,  Fractions/Ratios/Decimals,  Source: Other - Please specify

Bunuel

4

527

06 Feb 2019, 23:26

View the latest post KanishkM

8
ER
View first unread post When a positive integer "l" is divided by a positive integer "k", the  

Tags: Difficulty: 700-Level,  Remainders,  Source: Kaplan Advanced

bkpolymers1617

3

600

06 Feb 2019, 22:35

View the latest post VeritasKarishma

18
ER
View first unread post If s, u, and v are positive integers and 2s = 2u + 2v, which of the fo  

Tags: Difficulty: Sub-600 Level,  Algebra,  Must or Could be True Questions,  Source: GMAT Paper Tests,  Source: OG 10,  Source: Official Guide,  Source: Quant Review 1st,  Source: Quant Review 2nd

Bunuel

11

5162

06 Feb 2019, 22:29

View the latest post KanishkM

6
ER
View first unread post If a/b=2/3 which of the following is not true ?  

Tags: Difficulty: Sub-600 Level,  Algebra,  Fractions/Ratios/Decimals,  Source: OG 10,  Source: Official Guide,  Source: Quant Review 1st

carcass

4

3312

06 Feb 2019, 22:17

View the latest post KanishkM

65
ER
View first unread post For a certain integer x, the units digit of (x+2)^2 is 9. Which of the  

Tags: Difficulty: 600-700 Level,  Absolute Values/Modulus,  Algebra,  Source: Veritas Prep

Bunuel

9

2869

06 Feb 2019, 22:15

View the latest post KanishkM

138
ER
View first unread post For integers x and y, 2^x + 2^y =2^30. What is the value of x + y?  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Algebra,  Exponents/Powers,  Source: Veritas Prep

Bunuel

21

10789

06 Feb 2019, 22:06

View the latest post KanishkM

32
ER
View first unread post If M and N are positive integers that have remainders of 1  

Tags: Difficulty: 600-700 Level,  Remainders,  Source: 800 Score

sagarsabnis

16

12412

06 Feb 2019, 21:59

View the latest post bumpbot

ER
View first unread post If x + 2y = 2 and (x + y)^2 = 9, which of the following is a possible  

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

Bunuel

2

129

06 Feb 2019, 21:53

View the latest post KanishkM

9
View first unread post If x > 0, y > 0, {7x^2+72xy+4y^2}/{4x^2+12xy+5y^2}...  

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

CAMANISHPARMAR

4

536

06 Feb 2019, 21:37

View the latest post KanishkM

ER
View first unread post If one number exceeds another number by 13 and the larger number is 3/  

Tags: Difficulty: Sub-600 Level,  Algebra,  Source: Other - Please specify

Bunuel

6

613

06 Feb 2019, 21:30

View the latest post KanishkM

35
ER
View first unread post What is the sum of all remainders obtained when the first  

Tags: Difficulty: 600-700 Level,  Remainders

Macsen

14

7433

06 Feb 2019, 21:21

View the latest post bumpbot

12
ER
View first unread post How many integers from 0 to 1000 inclusive, have a remainder of 3 when  

Tags: Difficulty: 600-700 Level,  Remainders,  Source: Other - Please specify

RMD007

9

1168

06 Feb 2019, 21:10

View the latest post bumpbot

1
ER
View first unread post What is the least number which when divided by 5, 6, 7 and 8 leaves a  

Tags: Difficulty: 600-700 Level,  Remainders

GTExl

4

10149

06 Feb 2019, 20:49

View the latest post bumpbot

2
ER
View first unread post How many positive integers less than 100 have a remainder of 2 when  

Tags: Difficulty: 600-700 Level,  Remainders

shrive555

7

1953

06 Feb 2019, 20:45

View the latest post bumpbot

ER
View first unread post A sequence is such that a1=1, an=a(n-1)+n. Which of the following coul  

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

Bunuel

4

295

06 Feb 2019, 20:25

View the latest post KanishkM

73
ER
View first unread post A certain musical scale has has 13 notes, each having a different freq  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Sequences,  Source: GMAT Paper Tests,  Source: OG 10

stoolfi

27

13203

06 Feb 2019, 20:01

View the latest post kchen1994

37
ER
View first unread post For integers x and y,3^(4x+12)=5^(3x+y). What is the value of y?  

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

Bunuel

10

2192

06 Feb 2019, 19:51

View the latest post ScottTargetTestPrep

5
ER
View first unread post If a wire is bent into the shape of a square, then the area enclosed  

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

Bunuel

5

426

06 Feb 2019, 19:45

View the latest post ScottTargetTestPrep

3
ER
View first unread post If x is a sum of all even integers on the interval 13...65  

Tags: Difficulty: 700-Level,  Divisibility/Multiples/Factors,  Source: Princeton Review

Maksym

2

1716

06 Feb 2019, 19:44

View the latest post ScottTargetTestPrep

6
ER
View first unread post Question of the week - 34 (A, B and C are three distinct ............)  

Tags: Difficulty: 700-Level,  Combinations,  Number Properties,  Source: e-GMAT

EgmatQuantExpert

11

505

06 Feb 2019, 19:18

View the latest post EgmatQuantExpert

1
View first unread post A certain seafood restaurant gets a delivery of fresh seafood  

Tags: Difficulty: 600-700 Level,  Word Problems,  Source: Princeton Review

energetics

1

113

06 Feb 2019, 19:14

View the latest post Afc0892

12
ER
View first unread post If the sum of all the even numbers from 1 to n(n: odd number) is 69*70  

Tags: Difficulty: 600-700 Level,  Sequences,  Source: Math Revolution

MathRevolution

9

2091

06 Feb 2019, 19:12

View the latest post kchen1994

2
ER
View first unread post Schools A and B are in the same town. Annual fee collected by school A  

Tags: Difficulty: Sub-600 Level,  Number Properties,  Percents and Interest Problems,  Source: Jamboree

akurathi12

4

180

06 Feb 2019, 19:10

View the latest post chetan2u

ER
View first unread post The half-life of a radioactive element is defined as the amount  

Tags: Difficulty: 600-700 Level,  Algebra,  Exponents/Powers,  Source: Other - Please specify

gmat1393

3

153

06 Feb 2019, 19:07

View the latest post ScottTargetTestPrep

5
ER
View first unread post A student’s average (arithmetic mean) test score on four tests is 78.  

Tags: Difficulty: Sub-600 Level,  Statistics and Sets Problems,  Word Problems,  Source: Other - Please specify

Bunuel

5

360

06 Feb 2019, 19:06

View the latest post ScottTargetTestPrep

ER
View first unread post Attachment(s) In the rectangle above, AB = x feet,BC = y feet, and AE = FC = 2 feet.  

Tags: Difficulty: 600-700 Level,  Geometry,  Source: Other - Please specify

Bunuel

4

125

06 Feb 2019, 18:57

View the latest post KanishkM

24
ER
View first unread post a, b, c, and d are positive integers. If the remainder is 9  

Tags: Difficulty: 600-700 Level,  Remainders,  Source: Manhattan GMAT

daviesj

10

4572

06 Feb 2019, 18:54

View the latest post bumpbot

1
ER
View first unread post Points A and B are separated by 50 miles on a straight road. Cyclist A  

Tags: Difficulty: Sub-600 Level,  Distance/Rate Problems,  Source: Other - Please specify

Bunuel

3

165

06 Feb 2019, 18:52

View the latest post KanishkM

41
ER
View first unread post Whats the reminder when 42,527,152,653,425,416,242,624,272,427,215,287  

Tags: Difficulty: 600-700 Level,  Remainders,  Source: Other - Please specify

dimri10

15

3316

06 Feb 2019, 18:51

View the latest post bumpbot

2
ER
View first unread post The host of a dinner party must determine how to seat himself and 5 gu  

Tags: Difficulty: Sub-600 Level,  Combinations,  Source: Kaplan

Bunuel

5

356

06 Feb 2019, 18:47

View the latest post ScottTargetTestPrep

ER
View first unread post If 7 orchids cost d dollars, then how many dollars will 10 orchids cos  

Tags: Difficulty: 600-700 Level,  Word Problems,  Source: Other - Please specify

Bunuel

3

105

06 Feb 2019, 18:43

View the latest post ScottTargetTestPrep

4
ER
View first unread post In a certain company, a third of the workers do not have a retirement  

Tags: Difficulty: 600-700 Level,  Statistics and Sets Problems,  Source: Economist GMAT Tutor

reto

7

1326

06 Feb 2019, 18:42

View the latest post bumpbot

11
ER
View first unread post Which of the following is the greatest possible common divisor of two  

Tags: Difficulty: 600-700 Level,  Divisibility/Multiples/Factors,  Source: Other - Please specify

Bunuel

8

1470

06 Feb 2019, 18:42

View the latest post ScottTargetTestPrep

13
View first unread post What is the unit digit of A=2+2^2+2^3+...+2^10?  

Tags: Difficulty: 600-700 Level,  Algebra,  Remainders,  Source: Other - Please specify

broall

5

1245

06 Feb 2019, 18:41

View the latest post bumpbot

ER
View first unread post If x = 3^2, then what is the value of x^x?  

Tags: Difficulty: 600-700 Level,  Exponents/Powers,  Source: Other - Please specify

Bunuel

4

105

06 Feb 2019, 18:41

View the latest post ScottTargetTestPrep

14
ER
View first unread post Which of the following is NOT a factor of the product of the  

Tags: Difficulty: 600-700 Level,  Divisibility/Multiples/Factors,  Source: Kaplan

gmatpapa

7

1976

06 Feb 2019, 18:39

View the latest post ScottTargetTestPrep

3
ER
View first unread post For an integer n, the function f(n) is defined as the product of all  

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

nkmungila

3

604

06 Feb 2019, 18:38

View the latest post ScottTargetTestPrep

21
ER
View first unread post Attachment(s) Father John forms a choir from the church attendants. 30  

Tags: Difficulty: 600-700 Level,  Combinations,  Source: Economist GMAT Tutor

anon1

12

3111

06 Feb 2019, 18:36

View the latest post ScottTargetTestPrep

2
ER
View first unread post f(2x-1) = ( x + 2 ) / ( x – 2 ). What is f(x)?  

Tags: Difficulty: 600-700 Level,  Functions and Custom Characters,  Source: Math Revolution

MathRevolution

6

201

06 Feb 2019, 18:34

View the latest post ScottTargetTestPrep

3
ER
View first unread post A sequence p1, p2, p3, ... pn is such that p1 = 3 and pn+1 = 2pn − 1  

Tags: Difficulty: 600-700 Level,  Sequences,  Source: Other - Please specify

Bunuel

6

499

06 Feb 2019, 18:33

View the latest post kchen1994

46
ER
View first unread post Kate and Danny each have $10. Together, they flip a fair coin 5 times.  

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

powerka

10

7356

06 Feb 2019, 18:32

View the latest post ScottTargetTestPrep

3
ER
View first unread post In a certain store, the ratio of part-time workers to full-time worker  

Tags: Difficulty: Sub-600 Level,  Word Problems,  Source: Veritas Prep

vikasp99

4

1207

06 Feb 2019, 18:09

View the latest post bumpbot

5
View first unread post If $936 are divided between worker A and worker B in the rat  

Tags: Difficulty: 600-700 Level,  Fractions/Ratios/Decimals,  Source: GMAT Paper Tests

johnwesley

5

2401

06 Feb 2019, 18:04

View the latest post bumpbot

2
ER
View first unread post Attachment(s) In a group of 25 factory workers, 15 have brown eyes. Six of the women  

Tags: Difficulty: Sub-600 Level,  Overlapping Sets,  Source: Other - Please specify

Bunuel

6

1189

06 Feb 2019, 18:01

View the latest post bumpbot

4
ER
View first unread post Attachment(s) Of the 150 employees at company X, 80 are full-time, and 100 have work  

Tags: Difficulty: Sub-600 Level,  Overlapping Sets,  Source: Kaplan

Bunuel

4

1345

06 Feb 2019, 17:40

View the latest post bumpbot

34
View first unread post If 200 lb of a mixture contain 80% husk and 20% sand. Then  

Tags: Difficulty: 600-700 Level,  Mixture Problems

tejal777

16

12715

06 Feb 2019, 15:29

View the latest post bumpbot

ER
View first unread post A political poll showed that 80 percent of those polled said they woul  

Tags: Difficulty: Sub-600 Level,  Percents and Interest Problems,  Source: Other - Please specify

Bunuel

2

98

06 Feb 2019, 15:00

View the latest post DJWolo92

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