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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

4298

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

8263

12 Oct 2019, 01:31

View the latest post Ramya16

Announcements

509
ER
View first unread post 100 Hardest and easiest questions for PS as of September 2019  

Tags: Difficulty: 700-Level

Bunuel

12

101081

29 Jul 2019, 07:22

View the latest post Shrinidhi

1907
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

740402

22 Feb 2012, 11:27

View the latest post bb

Topics

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

804

26 Sep 2019, 22:20

View the latest post bumpbot

9
ER
View first unread post If ab = 20 –a^2*b^2, where both a and b are negative, then a^2 =  

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

Arvind42

5

807

26 Aug 2019, 10:13

View the latest post Kinshook

2
ER
View first unread post During a spring season, a certain glacier surged at the rate of 1/4  

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

Bunuel

7

812

02 Jul 2017, 21:46

View the latest post vikasku3087

8
ER
View first unread post Suppose that |x + y| + |x -y| = 2. What is the maximum possible value  

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

Bunuel

5

814

10 May 2019, 22:43

View the latest post vinayakvaish

5
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

817

20 Oct 2018, 11:42

View the latest post pk123

21
ER
View first unread post Attachment(s) If x^2+y^2=1 and ||x|-0.34|+0.66=y, how many values can x take?  

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

Philipp98

12

817

29 Aug 2019, 23:13

View the latest post VeritasKarishma

15
ER
View first unread post Attachment(s) In a certain theatre, there are 300 seats. When the price of a  

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

souvonik2k

5

823

16 Jan 2018, 17:45

View the latest post ScottTargetTestPrep

25
ER
View first unread post If 7(a – 1) = 17(b – 1), and a and b are both positive integers the pr  

Tags: Difficulty: 700-Level,  Algebra,  Min/Max Problems,  Poor Quality,  Source: Princeton Review

Bunuel

7

824

30 Nov 2018, 08:33

View the latest post himanshudhingra

16
ER
View first unread post z and m are integers such that z > -7 and m > 3  

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

GMATPrepNow

15

825

19 Jul 2019, 12:12

View the latest post bebs

20
ER
View first unread post A quadratic equation ax^2+bx+c=0 has two integral roots x1 and  

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

mangamma

9

827

30 May 2019, 02:07

View the latest post PreiteeRanjan

18
ER
View first unread post Mary and three other students took a math test. Each of their scores w  

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

nick1816

8

840

14 Aug 2019, 10:44

View the latest post IanStewart

23
View first unread post Attachment(s) Of the 3-digit positive integers greater than 600, how many  

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

chondro48

10

852

02 Sep 2019, 05:26

View the latest post lnm87

8
View first unread post In a sequence of positive integers  

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

stonecold

3

852

20 May 2017, 03:43

View the latest post amanvermagmat

19
ER
View first unread post A customer came to a shop and asked manger to give 20% discount on lis  

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

KSBGC

3

857

08 May 2019, 04:01

View the latest post Rakesh1987

13
ER
View first unread post There are 108 positive integers. 50% of the integers have...  

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

Kaczet

11

872

15 Jan 2019, 19:40

View the latest post mjbobak

16
ER
View first unread post What is the 101st digit after the decimal point in the decimal represe  

Tags: Difficulty: 700-Level,  Arithmetic,  Source: GMAT Club Tests

Bunuel

6

876

20 Feb 2019, 07:38

View the latest post mykrasovski

22
View first unread post What is the 21st digit of the decimal [  

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

gmatbusters

7

880

18 Oct 2019, 07:36

View the latest post bumpbot

25
View first unread post Attachment(s) Find the number of solutions of following equation-: ||x|-6|=2^x  

Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Algebra,  Exponents/Powers,  Graphs and Illustrations,  Source: Other - Please specify

nick1816

6

882

14 Sep 2019, 05:54

View the latest post KeyurJoshi

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

883

04 Sep 2017, 01:15

View the latest post pushpitkc

12
ER
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

886

22 Aug 2019, 14:21

View the latest post bumpbot

13
ER
View first unread post If x is a positive integer, how many values of x satisfy the..........  

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

EgmatQuantExpert

7

887

02 Nov 2018, 08:38

View the latest post Gladiator59

14
ER
View first unread post A googol is the number that is written as 1 followed by 100 zeros. if  

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

Bunuel

6

892

22 Aug 2019, 08:16

View the latest post ShivamoggaGaganhs

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

896

09 Aug 2018, 04:26

View the latest post abhishekdadarwal2009

10
ER
View first unread post The square of the arithmetic mean of a sequence of consecutive positiv  

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

gracie

3

896

15 Dec 2017, 14:35

View the latest post hellosanthosh2k2

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

901

02 Jun 2019, 22:04

View the latest post pradeep15793

14
ER
View first unread post A shopkeeper bought few oranges at 4 per dollar and an equal number of  

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

doomedcat

6

911

25 May 2019, 09:27

View the latest post Maxximus

9
ER
View first unread post xy and yx are a pair of two digit positive integers with reversed digi  

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

gracie

3

915

05 Jan 2019, 21:14

View the latest post bumpbot

18
ER
View first unread post If (a+b)^5 = a^5+x*a^4*b+y*a^3*b^2+z*a^2*b^3+t*a*b^4+b^5  

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

broall

3

923

29 Nov 2017, 09:19

View the latest post bumpbot

27
ER
View first unread post Question of the Week - 27 (q is a three-digit number, in which ......)  

Tags: Difficulty: 700-Level,  Algebra,  Divisibility/Multiples/Factors,  Number Properties,  Source: e-GMAT

EgmatQuantExpert

7

928

19 Dec 2018, 07:44

View the latest post EgmatQuantExpert

7
ER
View first unread post Question of the Week- 18 (Sum of first 11 terms of an AP . . . . . )  

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

EgmatQuantExpert

3

933

17 Oct 2018, 00:52

View the latest post EgmatQuantExpert

9
ER
View first unread post Which of the following is the closest to 11^59^5 – 2(10^5)?  

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

MathRevolution

4

938

06 Mar 2019, 19:47

View the latest post bumpbot

2
ER
View first unread post For positive integers x and y, xy is defined by xy=(x+y)/xy. If a, b  

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

MathRevolution

7

940

19 Dec 2017, 11:12

View the latest post ashitaporwal

20
ER
View first unread post If x, y and z are non-negative integers such that x < y < z,  

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

GMATPrepNow

4

944

11 Oct 2019, 07:48

View the latest post exc4libur

8
View first unread post Point P lies on the equation y= x^2 - 1 and Point Q lies on the equati  

Tags: Difficulty: 700-Level,  Algebra,  Coordinate Geometry,  Graphs and Illustrations,  Source: Princeton Review

Arun1994

4

947

07 Jan 2019, 09:11

View the latest post ManjariMishra

2
ER
View first unread post If x ≠ 0 and (−y^2 − xy)/x=y+x, which of the following expressions is  

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

Bunuel

2

947

24 Sep 2018, 17:05

View the latest post bumpbot

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

952

20 Oct 2018, 20:49

View the latest post gmatbusters

18
ER
View first unread post Suppose that a and b are nonzero real numbers, and that the equation x  

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

Bunuel

11

953

13 Sep 2019, 06:42

View the latest post exc4libur

10
ER
View first unread post A certain game requires players to collect both blue tokens, which are  

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

SajjadAhmad

3

955

08 Apr 2019, 21:08

View the latest post chetan2u

11
View first unread post Attachment(s) There are 2 circular cylinders X and Y, and both cylinders contain wat  

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

gmatbusters

15

966

27 Oct 2018, 09:23

View the latest post gmatbusters

25
ER
View first unread post Joe is among N people in a group, where N > 3. If 3 people are randoml  

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

GMATPrepNow

19

967

03 Jun 2019, 17:14

View the latest post mgmat4944

12
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

968

17 Dec 2018, 23:34

View the latest post VeritasKarishma

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

973

17 Jul 2018, 16:25

View the latest post JeffTargetTestPrep

14
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

974

03 Oct 2019, 15:58

View the latest post dcummins

20
ER
View first unread post Attachment(s) Given a + 1 = b + 2 = c + 3 = d + 4 = a + b + c + d + 5, then what is  

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

mangamma

10

976

22 Mar 2019, 09:14

View the latest post TRINA6

27
ER
View first unread post M. Poirot and Miss Marple walk into a turned-off escalator to realize  

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

fskilnik

6

976

31 Aug 2018, 09:09

View the latest post fskilnik

15
ER
View first unread post If 2x/ (root(-3x^2 + 27)) is not a real number  

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

KarthikMBA2019

6

980

18 Jul 2018, 19:56

View the latest post gmatzpractice

9
View first unread post A motorcycle importer is planning on increasing the price of a....  

Tags: Difficulty: 700-Level,  Algebra,  Divisibility/Multiples/Factors,  Number Properties,  Word Problems,  Source: Veritas Prep

CAMANISHPARMAR

2

981

24 Jun 2018, 08:03

View the latest post CAMANISHPARMAR

6
View first unread post A straight rod 1 yard in length was first marked off in fourths, third  

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

umg

3

983

20 May 2017, 03:29

View the latest post amanvermagmat

7
ER
View first unread post If (a+b)^5= a^5+xa^4b+ya^3b^2+za^2b^3+tab^4+b^5 What is the value of x  

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

div10

7

987

24 Aug 2019, 12:33

View the latest post bumpbot

35
ER
View first unread post Last year Isabella took 7 math tests and received 7 different scores,  

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

Noshad

5

996

23 Jul 2019, 08:12

View the latest post gacuto

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