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

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EMPOWERgmatRichC

22

3892

31 Aug 2019, 14:48

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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

174

7615

21 Sep 2019, 10:07

View the latest post sayan640

Announcements

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

Tags: Difficulty: 700-Level

Bunuel

12

99261

29 Jul 2019, 07:22

View the latest post Shrinidhi

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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

730535

22 Feb 2012, 11:27

View the latest post bb

Topics

13
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View first unread post Sarah operated her lemonade stand Monday through  

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

danzig

12

3129

14 Aug 2017, 02:50

View the latest post shashankism

13
ER
View first unread post If a and b are non-zero integers and a^8*b^4 - a^4*b^2 = 12. Which of  

Tags: Difficulty: 700-Level,  Algebra,  Must or Could be True Questions,  Source: Other - Please specify

Bunuel

16

1782

03 Feb 2019, 09:53

View the latest post KanishkM

12
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View first unread post How many different solutions the equation (x^4 - 1)/(x^2 - 1) = 2 have  

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

robypeter

4

853

22 Aug 2019, 14:21

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12
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View first unread post Attachment(s) x and y are positive integers such that x + 2y > 20 and 3x – 30 < -y  

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

workout

8

765

12 Dec 2018, 22:40

View the latest post chetan2u

12
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

2048

20 Sep 2019, 04:57

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12
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View first unread post How many factors of 330 are odd numbers greater than 1?  

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

MathRevolution

7

1766

08 Sep 2018, 07:36

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12
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View first unread post Three models (A, B, and C) of cars are distributed among three showroo  

Tags: Difficulty: 700-Level,  Arithmetic,  Min/Max Problems,  Word Problems,  Source: Manhattan GMAT

amithy

8

1774

30 Apr 2018, 02:53

View the latest post shashankism

12
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View first unread post If y + 4 = (x - 2)^2, x + 4 = (y - 2)^2, and x ≠ y, what is the value  

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

Bunuel

8

530

01 May 2019, 11:26

View the latest post ManjariMishra

12
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View first unread post For any numbers w and z, w#z = w^3z(8 - w^2). If both z and w#z are po  

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

Bunuel

8

1683

23 Feb 2017, 10:35

View the latest post JeffTargetTestPrep

12
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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

7

2409

07 Mar 2019, 20:24

View the latest post jfranciscocuencag

12
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View first unread post Jim earns $I this year and will not earn anything next year  

Tags: Difficulty: 700-Level,  Arithmetic

guerrero25

3

2061

20 Jul 2018, 22:21

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12
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View first unread post If x-5=√x+√5 , which of followings is true?  

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

MathRevolution

3

1083

05 Jun 2019, 01:59

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12
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

5

879

07 Jun 2018, 17:18

View the latest post rakeshmishra5690

12
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View first unread post 5 people including A and B line up in a row. How many possible cases a  

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

MathRevolution

4

979

12 Sep 2019, 01:59

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12
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View first unread post The corn crops of Moses, each of which is 27 acres, have  

Tags: Difficulty: 700-Level,  Arithmetic,  Fractions/Ratios/Decimals,  Poor Quality,  Word Problems,  Source: Economist GMAT Tutor

Joy111

7

9281

16 Feb 2018, 09:32

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12
ER
View first unread post A special deck of cards has 3 each of 8 different cards. The deck has  

Tags: Difficulty: 700-Level,  Arithmetic,  Probability,  Statistics and Sets Problems,  Source: Kaplan

Dorsano505

3

647

14 Dec 2018, 00:02

View the latest post AdityaHongunti

12
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

6

1216

20 Mar 2018, 13:24

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12
View first unread post For which value of k does the following pair of equations yield a  

Tags: Difficulty: 700-Level,  Algebra

puneetkaur

3

2043

21 Oct 2018, 03:10

View the latest post ganand

12
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View first unread post Let p and q be two digit integers such that q is obtained by reversing  

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

manpreetsingh86

6

1925

20 Oct 2018, 21:34

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12
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View first unread post if p^4-49p^2+600=0, what is the sum of the two greatest possible value  

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

rishabhmishra

3

1100

14 May 2019, 00:35

View the latest post bumpbot

12
View first unread post In a certain list of numbers, the first number is 2, the second number  

Tags: Difficulty: 700-Level,  Arithmetic

ritumaheshwari02

4

2010

11 Jul 2019, 22:24

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12
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

375

10 Aug 2019, 23:04

View the latest post nick1816

12
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

478

15 May 2019, 22:12

View the latest post VeritasKarishma

12
View first unread post Attachment(s) GMATbuster's Weekly Quant Quiz#9 Ques 7  

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

gmatbusters

2

608

17 Nov 2018, 12:12

View the latest post nkin

12
ER
View first unread post If x is an integer, then how many values of x will satisfy the equatio  

Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Algebra,  Source: e-GMAT

EgmatQuantExpert

9

1483

29 Sep 2018, 11:28

View the latest post hibobotamuss

12
View first unread post At a medical research lab, nine doctors are conducting multiple clinic  

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

SajjadAhmad

2

995

22 Apr 2018, 07:48

View the latest post Princ

12
View first unread post Attachment(s) A scanning code consists of a 7 times 7 grid of squares, with some of  

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

gmatbusters

4

621

22 Nov 2018, 08:25

View the latest post gmatbusters

12
ER
View first unread post p is equal to the product of 2^x, 3^y, and 5^z. If x, y, and z are pos  

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

MaggieSG

10

2030

17 Sep 2018, 10:35

View the latest post bumpbot

12
ER
View first unread post A certain hall contains two cuckoo clocks. If the first  

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

joylive

11

3626

09 Sep 2019, 15:32

View the latest post bumpbot

12
ER
View first unread post Gerry decided to spend $450 on fireworks. If he buys regular crackers  

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

Bunuel

6

601

25 Jul 2018, 17:30

View the latest post JeffTargetTestPrep

12
ER
View first unread post Attachment(s) Which of the following is the best approximation for y? 1/2 - 1/3 + 1/  

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

Bunuel

6

2304

06 Sep 2019, 01:50

View the latest post kapil1

11
ER
View first unread post Find the number of real solutions of the equation x^2 - 2|x| - 8 = 0.  

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

Dillesh4096

4

586

14 Aug 2019, 05:03

View the latest post UncleFrodo

11
ER
View first unread post What is the greatest integer less than or equal to (3^100 + 2^100)  

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

Bunuel

5

458

17 May 2019, 08:11

View the latest post puneetb

11
ER
View first unread post Attachment(s) Question of the week - 31 (How many non-positive integers satisfy ...)  

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

EgmatQuantExpert

6

634

16 Jan 2019, 21:03

View the latest post EgmatQuantExpert

11
ER
View first unread post | (|a| + 4)*(|b| - 3) | = 16. How many pairs of integers (a,  

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

chondro48

2

506

07 Aug 2019, 03:58

View the latest post ArvindCrackVerbal

11
ER
View first unread post If x, y and z are three different non-negative integers, which of the  

Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Algebra,  Exponents/Powers,  Source: GMATPrepNow

GMATPrepNow

4

536

17 Jun 2019, 12:17

View the latest post GMATPrepNow

11
View first unread post (|x| + 3) (|y| - 4) = 12. How many pairs of integers (x,y) satisfy  

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

Dillesh4096

6

489

05 Aug 2019, 11:15

View the latest post Dillesh4096

11
ER
View first unread post A department of motor vehicles asks visitors to draw numbered tickets  

Tags: Difficulty: 700-Level,  Arithmetic,  Divisibility/Multiples/Factors,  Word Problems,  Source: Kaplan

CAMANISHPARMAR

4

931

17 Dec 2018, 23:34

View the latest post VeritasKarishma

11
View first unread post In 1966 the operative mortality rate in open heart surgery at a certai  

Tags: Difficulty: 700-Level,  Algebra,  Fractions/Ratios/Decimals,  Percents and Interest Problems,  Word Problems,  Source: Kaplan

KHow

2

582

25 Apr 2019, 17:48

View the latest post patrickyip0520

11
ER
View first unread post Two gardeners, Burton and Philip, work at independent  

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

Kritesh

4

1249

18 Sep 2018, 18:42

View the latest post ScottTargetTestPrep

11
View first unread post For how many values of a (x-1)(x^2-a^2)(x^2-a-1) is divisible by...  

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

lucajava

8

455

29 May 2019, 19:48

View the latest post RJ7X0DefiningMyX

11
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

752

06 Feb 2019, 22:37

View the latest post KanishkM

11
View first unread post If f(x) = 1/x and g(x) = x/(x^2 + 1), for all x > 0, what is the minim  

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

shibbirahamed

4

1269

09 Aug 2019, 07:12

View the latest post Shreshtha55

11
ER
View first unread post If one of the roots of the equation 2x^2 + (3k + 4)x + (9k^2 – 3k – 1)  

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

Bunuel

4

627

22 May 2018, 09:26

View the latest post tejyr

11
ER
View first unread post Consider the following sequence: 2, 22, 222, 2222, 22222 etc  

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

tk1tez7777

2

10054

08 Mar 2019, 08:02

View the latest post bumpbot

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

418

22 Apr 2019, 01:45

View the latest post lucajava

11
ER
View first unread post At a certain arena, with five levels, level I has 30 vacant seats,  

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

Helium

6

516

28 Sep 2018, 01:22

View the latest post Helium

11
ER
View first unread post Which of the following is closer to √0.5+√0.05?  

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

MathRevolution

6

1184

11 Mar 2019, 06:04

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11
ER
View first unread post A computer can solve a particular type of problem in an amount of time  

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

brettbrettbrettcom

2

1509

08 Apr 2019, 16:07

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11
ER
View first unread post What is the maximum value of the expression 22/(4x^4 - 32x^2 + 75)  

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

Rocky1304

7

1215

20 Sep 2018, 05:33

View the latest post RichardSaunders

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