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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

4215

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

8127

12 Oct 2019, 01:31

View the latest post Ramya16

Announcements

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

Tags: Difficulty: 700-Level

Bunuel

12

100703

29 Jul 2019, 07:22

View the latest post Shrinidhi

1899
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

738375

22 Feb 2012, 11:27

View the latest post bb

Topics

4
ER
View first unread post How many positive integers less than 1000 are 6 times the sum of their  

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

Bunuel

5

527

01 Apr 2019, 06:25

View the latest post ScottTargetTestPrep

4
View first unread post If 0<X<Y<Z<1, the value of which of the following will decrease when  

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

rohan2345

1

179

21 May 2019, 03:08

View the latest post LeoN88

4
View first unread post The difference between two reversed 2-digit positive integers is a per  

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

gracie

2

252

22 Jul 2019, 13:51

View the latest post lacktutor

4
ER
View first unread post Erina has a bag that starts with 50 marbles in it: 10 green marbles  

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

Xin Cho

1

214

13 Sep 2019, 14:13

View the latest post ccooley

4
ER
View first unread post a and b are two numbers such that 2a^4 -4ab + b^2 + 2 = 0...  

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

lucajava

2

271

21 Apr 2019, 13:18

View the latest post lucajava

4
ER
View first unread post Ken wants to ship abroad 16 cubic meters of fine fabric. Shi  

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

superpus07

3

2496

27 Feb 2018, 04:06

View the latest post bumpbot

4
ER
View first unread post If a/b<c/d & bd < 0, which of the following inequalities must be true?  

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

mangamma

1

296

25 Apr 2019, 22:42

View the latest post chetan2u

4
ER
View first unread post Which of the following is the closest approximation to  

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

Bunuel

4

470

07 Aug 2019, 22:49

View the latest post TheNightKing

4
ER
View first unread post The square root of the product of the positive integers a and b is 14,  

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

Bunuel

5

673

09 May 2018, 10:37

View the latest post push12345

4
View first unread post Attachment(s) A bank transfers sum of money to Mr. Cathrall...  

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

Nikhilaery

5

638

26 May 2019, 05:15

View the latest post mallicks123

4
View first unread post How many reversed two digit pairs are there such that three xy is x+y  

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

gracie

1

238

16 Jan 2019, 22:22

View the latest post KanishkM

4
ER
View first unread post A survey asked 1,150 people to choose their favorite laundry detergent  

Tags: Difficulty: 700-Level,  Arithmetic,  Percents and Interest Problems,  Source: Other - Please specify

Bunuel

3

483

28 May 2019, 06:52

View the latest post ScottTargetTestPrep

4
ER
View first unread post A wheel of a car of radius 21 cms is rotating at 600 RPM. What is the  

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

Bunuel

2

4935

28 Oct 2018, 13:38

View the latest post EgmatQuantExpert

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

311

24 Sep 2019, 00:50

View the latest post chrtpmdr

4
ER
View first unread post A company has 540 employees, 40% of whom are employed part time. If it  

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

Atrain13gm

10

5747

21 Dec 2018, 16:12

View the latest post sashiim20

4
ER
View first unread post x,y,z are consecutive integers (x<y<z). Which of the following  

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

trankimphuong

7

616

03 Oct 2018, 00:10

View the latest post pushpitkc

4
ER
View first unread post Penniless Pete's piggy bank has no pennies in it, but it has 100 coins  

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

Bunuel

3

351

22 Mar 2019, 09:26

View the latest post ScottTargetTestPrep

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

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

408

09 Mar 2019, 19:46

View the latest post sumert

4
ER
View first unread post A certain series of numbers has 15 terms in total. The first term of  

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

EgmatQuantExpert

2

462

20 May 2019, 04:03

View the latest post EgmatQuantExpert

4
ER
View first unread post If x and y are integers each with absolute value less than 5 and 7x -  

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

Bunuel

6

1160

05 Mar 2018, 19:13

View the latest post hoang221

4
ER
View first unread post If f(x) = (x - 1)^2 + 3, which of the following is true for all x?  

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

Bunuel

4

950

20 Oct 2018, 20:49

View the latest post gmatbusters

4
ER
View first unread post If a,b and c are in arithmetic progression, then (a+b)  

Tags: Difficulty: 700-Level,  Arithmetic

AdityaHongunti

7

775

25 Dec 2018, 08:47

View the latest post Bunuel

4
ER
View first unread post What is the simplified expression for 1/(√1+√2) + 1/(√2+√3) + 1/(√3+√4  

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

MathRevolution

3

274

07 Apr 2019, 18:43

View the latest post MathRevolution

4
ER
View first unread post If 4s - 3t = 10 where s and t are integers, which of the following can  

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

Bunuel

1

268

25 Jun 2019, 02:13

View the latest post Arvind42

4
ER
View first unread post As x increases from 141 to 142, which of the following increases?  

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

reto

3

1717

18 Aug 2019, 08:21

View the latest post Kinshook

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

425

11 Nov 2018, 23:06

View the latest post MathRevolution

4
ER
View first unread post If x - 7 = √x + √7 , x = ?  

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

MathRevolution

6

1078

29 Aug 2017, 23:37

View the latest post shashankism

4
View first unread post If a^1/2 > b > c^2, which of the following could be true?  

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

SajjadAhmad

1

467

19 Oct 2018, 13:10

View the latest post Salsanousi

4
View first unread post Attachment(s) One night Bran had a dream in which he grew a constant amount each hou  

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

gmatbusters

4

814

20 Oct 2018, 11:42

View the latest post pk123

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

4
View first unread post Mike visits his childhood friend Alan at a regular interval of 4 month  

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

axezcole

2

243

08 May 2019, 12:12

View the latest post AvidDreamer09

4
ER
View first unread post If n >2 and (2/n) is substituted for all instances of n in t  

Tags: Difficulty: 700-Level,  Algebra

Bunuel

8

3839

18 Oct 2018, 09:40

View the latest post bumpbot

4
ER
View first unread post If t = a^2 - b^2, u = a^2 + b^2, v=2ab, what is the value of  

Tags: Difficulty: 700-Level,  Algebra

jjsverbal

3

1163

16 Jan 2019, 02:04

View the latest post sid13791

4
ER
View first unread post Which of the following is equal to  

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

MathRevolution

4

794

18 Jan 2018, 08:44

View the latest post ScottTargetTestPrep

4
View first unread post IF P = 9^{1/2} - 9^{1/3} - 9^{1/4}, then P is:  

Tags: Difficulty: 700-Level,  Arithmetic,  Exponents/Powers,  Source: Princeton Review

MahmoudFawzy

10

684

27 Jun 2019, 12:58

View the latest post menonrit

4
ER
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

275

06 Oct 2019, 21:05

View the latest post EMPOWERgmatRichC

5
ER
View first unread post On a map, 1.5 inches represent 24 miles. How many miles approximately  

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

Bunuel

4

1938

04 Nov 2018, 23:26

View the latest post bumpbot

5
ER
View first unread post If k=3^81 and k^k=3^m, what is the value of m?  

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

KarthikMBA2019

6

968

17 Jul 2018, 16:25

View the latest post JeffTargetTestPrep

5
ER
View first unread post Let G and H be positive integers. 2G - 10 > -H and 3H - 20 < -G. If L  

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

reynaldreni

4

535

18 Aug 2019, 09:02

View the latest post Kinshook

5
ER
View first unread post A dealer once sold identical cars at a piece of x dollars each (includ  

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

SajjadAhmad

2

692

10 Feb 2019, 08:57

View the latest post ScottTargetTestPrep

5
View first unread post A bag of 216 caramels is divided equally among a group of children.  

Tags: Difficulty: 700-Level,  Algebra,  Statistics and Sets Problems,  Source: Princeton Review

energetics

3

554

09 Oct 2019, 12:09

View the latest post energetics

5
View first unread post If the square of the sum of the roots of a quadratic equation  

Tags: Difficulty: 700-Level,  Algebra

PrepTap

3

3135

22 Feb 2018, 13:11

View the latest post bumpbot

5
View first unread post How many different pairs of positive integers (a, b) satisfy equation?  

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

susheelh

7

1706

05 Jul 2016, 10:23

View the latest post susheelh

5
ER
View first unread post If 100<= x <=200, then how many Integer values of x are even multiples  

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

GMATinsight

6

1231

10 Jun 2017, 20:03

View the latest post chetan2u

5
ER
View first unread post A circular microchip with a radius of 2 centimeters is manufactured fo  

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

Bunuel

2

326

05 Dec 2018, 09:06

View the latest post manideep12

5
ER
View first unread post On a certain two-part test, a student must choose one of 4 short essay  

Tags: Difficulty: 700-Level,  Arithmetic,  Combinations,  Source: Princeton Review

SajjadAhmad

6

659

20 Mar 2019, 09:20

View the latest post energetics

5
ER
View first unread post For any numbers W and Z, W•Z=Wˆ3 * Z(8-Wˆ2)  

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

sara86

7

1873

30 Sep 2018, 12:10

View the latest post woland

5
ER
View first unread post x = y - (50/y), where x and y are both > 0 If the value of y is doubl  

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

Bunuel

3

3591

04 Oct 2018, 19:33

View the latest post ScottTargetTestPrep

5
ER
View first unread post 149 is a 3-digit positive integer, product of whose digits is 1x4x9  

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

sj296

4

270

14 Sep 2019, 07:41

View the latest post nishthagupta

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