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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

4225

27 Sep 2019, 11:20

View the latest post EMPOWERgmatRichC

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

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VeritasKarishma

179

8144

12 Oct 2019, 01:31

View the latest post Ramya16

Announcements

508
ER
View first unread post 100 Hardest and easiest questions for PS as of September 2019  

Tags: Difficulty: 700-Level

Bunuel

12

100770

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

738809

22 Feb 2012, 11:27

View the latest post bb

Topics

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

409

09 Mar 2019, 19:46

View the latest post sumert

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

439

27 May 2019, 18:33

View the latest post LeoN88

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 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 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

951

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 If x - 7 = √x + √7 , x = ?  

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

MathRevolution

6

1079

29 Aug 2017, 23:37

View the latest post shashankism

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

426

11 Nov 2018, 23:06

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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

275

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
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

468

19 Oct 2018, 13:10

View the latest post Salsanousi

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 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

385

22 Feb 2019, 21:39

View the latest post KanishkM

4
View first unread post In each of the first five years of a bachelor degree program of four y  

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

pushpitkc

2

879

04 Sep 2017, 01:15

View the latest post pushpitkc

4
ER
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

3

625

12 Jan 2018, 05:41

View the latest post VeritasKarishma

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
View first unread post A loan of $10,000 has an annual interest rate of 8%, compounded...  

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

CAMANISHPARMAR

1

440

11 Nov 2018, 09:58

View the latest post Arro44

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

686

27 Jun 2019, 12:58

View the latest post menonrit

4
ER
View first unread post Attachment(s) The value of (1.3333)(0.6666)(1.125)/(0.75)(0.8)(0.8333) is closest to  

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

Bunuel

2

1014

27 Oct 2018, 11:01

View the latest post HAPPYatHARVARD

4
ER
View first unread post How many pairs (m,n) of integers satisfy the equation m+n=mn?  

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

Rubina11

2

302

17 May 2019, 10:12

View the latest post Vinit800HBS

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

280

06 Oct 2019, 21:05

View the latest post EMPOWERgmatRichC

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

529

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
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
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 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
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 Erina has a bag that starts with 50 marbles in it: 10 green marbles  

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

Xin Cho

1

216

13 Sep 2019, 14:13

View the latest post ccooley

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 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

4937

28 Oct 2018, 13:38

View the latest post EgmatQuantExpert

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

639

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 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

297

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 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

484

28 May 2019, 06:52

View the latest post ScottTargetTestPrep

5
ER
View first unread post If x is negative and y is positive, what is the value of x given that  

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

Bunuel

3

716

20 Nov 2018, 01:25

View the latest post Shobhit7

5
View first unread post CAT 2017 paper had 100 questions. Each correct answer was aw  

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

Rajat1998

2

240

01 Jun 2019, 12:44

View the latest post nick1816

5
View first unread post Attachment(s) A wholesaler purchases “n” mobile phones from the manufacturer at a pr  

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

PriyankaPalit7

3

318

09 Jul 2019, 11:37

View the latest post Sanjay7392

5
ER
View first unread post If x is the smallest positive integer such that 485,100 divided by x i  

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

SajjadAhmad

6

323

25 Aug 2019, 18:34

View the latest post ScottTargetTestPrep

5
ER
View first unread post In a joint family there are 3 couples. The ages (all in years) of the  

Tags: Difficulty: 700-Level,  Algebra

Ashishmathew01081987

3

1618

01 Jan 2017, 14:10

View the latest post bumpbot

5
ER
View first unread post A yellow taxi cab went from Downtown to the Beachside and back at an a  

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

SajjadAhmad

3

899

02 Jun 2019, 22:04

View the latest post pradeep15793

5
ER
View first unread post The sequence a1, a2, a3, ..., an,…...is such that an= 1/n^2−1/(n−1)^2  

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

mangamma

1

321

02 May 2019, 00:27

View the latest post chetan2u

5
ER
View first unread post Fence X is twice as long as fence Y, and fence Y is 2 feet shorter tha  

Tags: Difficulty: 700-Level,  Arithmetic,  Must or Could be True Questions,  Source: Kaplan

Maxirosario2012

6

2552

29 Jan 2016, 23:47

View the latest post bumpbot

5
ER
View first unread post Find x^4 + 1/x^4 if x – 1/x = 2.  

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

MathRevolution

2

376

25 Nov 2018, 18:38

View the latest post MathRevolution

5
ER
View first unread post If the sum of the squares of x and y is 3, and x^4 = y^4 + 25, what  

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

CAMANISHPARMAR

6

893

09 Aug 2018, 04:26

View the latest post abhishekdadarwal2009

5
ER
View first unread post A square has an area of (0.027)^(-2/3) square meters. The perimeter of  

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

fskilnik

5

482

20 Feb 2019, 10:48

View the latest post Archit3110

5
ER
View first unread post What is the sum of the roots of the equation 4^x – 6·2^x + 8 = 0?  

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

MathRevolution

6

486

08 May 2019, 10:44

View the latest post MathRevolution

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