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

Go to page: 1, 2 Tags: Source: EMPOWERgmat

EMPOWERgmatRichC

24

4268

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  

Go to page: 1 ... 7, 8, 9 Tags: Source: Veritas Prep

VeritasKarishma

179

8227

12 Oct 2019, 01:31

View the latest post Ramya16

Announcements

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

Tags: Difficulty: 700-Level

Bunuel

12

100938

29 Jul 2019, 07:22

View the latest post Shrinidhi

1905
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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

739851

22 Feb 2012, 11:27

View the latest post bb

Topics

5
ER
View first unread post How many digits does 5437682*34567254 have?  

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

MathRevolution

3

299

02 Oct 2019, 02:29

View the latest post MathRevolution

8
View first unread post Find the number of non-negative integer solutions of  

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

TheNightKing

1

193

30 Sep 2019, 22:56

View the latest post nick1816

30
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View first unread post Attachment(s) If the sum of the first 30 positive odd inte  

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

EgmatQuantExpert

12

3512

30 Sep 2019, 09:03

View the latest post GMATPrepNow

120
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View first unread post If y=root(3y+4), then the product of all possible solution  

Tags: Difficulty: 700-Level,  Algebra,  Roots

Prax

15

8777

30 Sep 2019, 07:28

View the latest post EgmatQuantExpert

8
ER
View first unread post If x and y are integers and 2*x^(1/2) + y^2 < 5, then x*y can take how  

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

Bunuel

1

215

30 Sep 2019, 06:47

View the latest post chetan2u

19
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

7

1444

30 Sep 2019, 05:56

View the latest post Kanika3agg

17
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View first unread post If x and y are integers greater than 3, and 15y – 11x = 8,  

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

GMATPrepNow

8

1270

30 Sep 2019, 05:37

View the latest post Kanika3agg

7
ER
View first unread post If xy≠0, and √x−y=√x−√y, which of the following must be  

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

GMATPrepNow

5

347

29 Sep 2019, 23:25

View the latest post navderm

6
ER
View first unread post xyz=2, what is the value of x/(xy+x+2) + y/(yz+y+1) + 2z/(zx+2  

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

MathRevolution

3

233

29 Sep 2019, 23:20

View the latest post Kanika3agg

82
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View first unread post For integers a, b, and c, if ab = bc, then which of the foll  

Tags: Difficulty: 700-Level,  Algebra,  Must or Could be True Questions,  Source: Veritas Prep

emmak

13

25923

29 Sep 2019, 13:06

View the latest post julianaescobar

6
ER
View first unread post What is the value of Z if (|2Z|)! – |Z| = Z ?  

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

Bunuel

3

395

29 Sep 2019, 04:54

View the latest post itoyj

26
ER
View first unread post Attachment(s) What is the value of 1/(1*2)+1/(2*3)+...+1/(99*100)?  

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

broall

10

8507

29 Sep 2019, 01:07

View the latest post bumpbot

3
View first unread post Let f(x) = min{x^2 - 2, 1 - 2x}, for any positive real numbe  

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

Dillesh4096

2

187

29 Sep 2019, 01:03

View the latest post Kanika3agg

17
View first unread post |a+b|/|a|+|b| + |b+c|/|b|+|c| +|c+a|/|c|+|a|=M  

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

nick1816

10

745

28 Sep 2019, 05:02

View the latest post Rohit2015

12
ER
View first unread post Two train of equal length running in opposite direction  

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

jackfr2

3

636

28 Sep 2019, 04:07

View the latest post Archit3110

28
View first unread post (1+√3)(√(2 + √3) = ?  

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

jwang516

4

1348

27 Sep 2019, 23:23

View the latest post bumpbot

17
ER
View first unread post One filter decreases the concentration of harmful substances in water  

Tags: Difficulty: 700-Level,  Algebra,  Word Problems,  Source: GMAT Club Tests

honchos

9

3427

27 Sep 2019, 04:47

View the latest post bumpbot

40
ER
View first unread post What is the product of all values of x that satisfies the equation:  

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

EgmatQuantExpert

17

3896

27 Sep 2019, 04:26

View the latest post pepperoniPizza

61
ER
View first unread post Attachment(s) If x= 1/(2^2*3^2*4^2*5^2) is expressed as a decimal, how many distinct  

Tags: Difficulty: 700-Level,  Arithmetic,  Fractions/Ratios/Decimals,  Source: GMAT Prep

sony1000

7

3764

27 Sep 2019, 03:51

View the latest post bumpbot

40
ER
View first unread post The cost per unit of electricity during a 4 year period is a  

Tags: Difficulty: 700-Level,  Algebra,  Source: GMAT Paper Tests

Safal

11

4866

27 Sep 2019, 03:12

View the latest post VeritasKarishma

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

802

26 Sep 2019, 22:20

View the latest post bumpbot

160
ER
View first unread post An investor purchased 100 shares of stock X at 6 1/8 dollars  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Arithmetic,  Word Problems

surupab

22

27928

25 Sep 2019, 23:10

View the latest post Meisme

16
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

6

1101

25 Sep 2019, 16:26

View the latest post TheNightKing

8
ER
View first unread post At Nat’s Nuts a 2.25 pound bag of pistachio nuts cost $6.00. At this  

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

Bunuel

11

1055

25 Sep 2019, 08:47

View the latest post Archit3110

121
ER
View first unread post The mean of (54,820)^2 and (54,822)^2 =  

Tags: Difficulty: 700-Level,  Algebra,  Statistics and Sets Problems,  Source: GMAT Prep

enigma123

13

9087

25 Sep 2019, 05:45

View the latest post dabaobao

28
ER
View first unread post The ratio, by volume, of acid to base to water in a certain solution  

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

Prashanth3007

6

1997

24 Sep 2019, 22:30

View the latest post bumpbot

202
ER
View first unread post N and M are each 3-digit integers. Each of the numbers 1, 2,  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Arithmetic,  Min/Max Problems,  Source: GMAT Prep

nobelgirl777

24

19382

24 Sep 2019, 09:48

View the latest post Kinshook

123
ER
View first unread post How many different pairs of integers (a, b) exist such that 2 <= a <=  

Tags: Difficulty: 700-Level,  Algebra,  Combinations,  Inequalities,  Source: Manhattan GMAT

Bunuel

8

6304

24 Sep 2019, 07:27

View the latest post bumpbot

3
ER
View first unread post If f(x^2 – 1) = x^4 – 7x^2 + k1 and f(x^3 – 2) = x^6 – 9x^3 + k2, find  

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

DisciplinedPrep

4

376

24 Sep 2019, 04:08

View the latest post chrtpmdr

13
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

2304

24 Sep 2019, 01:21

View the latest post chrtpmdr

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

319

24 Sep 2019, 00:50

View the latest post chrtpmdr

57
ER
View first unread post Attachment(s) The table shows the amount budgeted and the amount spent for each of  

Tags: Difficulty: 700-Level,  Arithmetic,  Percents and Interest Problems,  Word Problems,  Source: OG 2018,  Source: OG 2019,  Source: OG 2020,  Source: Official Guide

AbdurRakib

10

10083

23 Sep 2019, 19:07

View the latest post bumpbot

6
ER
View first unread post If the average (arithmetic mean) of 7 positive temperatures is x degre  

Tags: Difficulty: 700-Level,  Algebra,  Statistics and Sets Problems,  Source: Other - Please specify

SajjadAhmad

2

231

23 Sep 2019, 18:29

View the latest post ScottTargetTestPrep

261
ER
View first unread post If each expression under the square root is greater than or  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Algebra,  Roots,  Source: GMAT Club Tests

study

25

13591

23 Sep 2019, 07:20

View the latest post bumpbot

249
ER
View first unread post Attachment(s) An object thrown directly upward is at a height of h feet  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Algebra,  Min/Max Problems,  Source: OG 2015,  Source: OG 2016,  Source: OG 2017,  Source: OG 2018,  Source: OG 2019,  Source: OG 2020,  Source: Official Guide

IEsailor

20

32186

23 Sep 2019, 05:15

View the latest post bumpbot

24
ER
View first unread post If x and y are odd positive integers, and x and y both have an odd  

Tags: Difficulty: 700-Level,  Algebra,  Divisibility/Multiples/Factors,  Source: GMATPrepNow

GMATPrepNow

5

552

22 Sep 2019, 13:25

View the latest post Shishou

32
ER
View first unread post A merchant paid $300 for a shipment of x identical calculators. The  

Tags: Difficulty: 700-Level,  Arithmetic,  Word Problems,  Source: GMAT Paper Tests,  Source: Official Guide

boomtangboy

9

9868

21 Sep 2019, 06:09

View the latest post bumpbot

9
ER
View first unread post Attachment(s) The figures above show a hexagonal nut that has a width of 1 5/16  

Tags: Difficulty: 700-Level,  Arithmetic,  Geometry,  Source: Official Guide

gmatt1476

3

351

21 Sep 2019, 05:57

View the latest post GMATGuruNY

4
ER
View first unread post If a temperature can be converted from the M scale to the P scale by m  

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

SajjadAhmad

2

168

21 Sep 2019, 05:25

View the latest post styleashish

33
ER
View first unread post If x^1+x^(−1)=5, what is the value of x^4+x^(−4)?  

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

Bunuel

8

3529

20 Sep 2019, 07:00

View the latest post exc4libur

104
ER
View first unread post What is the sum of all four digit integers formed using the digits 1,  

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

Bunuel

12

3115

19 Sep 2019, 21:45

View the latest post VeritasKarishma

1273
ER
View first unread post Attachment(s) 0.99999999/1.0001 - 0.99999991/1.0003 =  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Algebra,  Arithmetic,  Number Properties,  Source: OG 2015,  Source: OG 2016,  Source: OG 2017,  Source: OG 2018,  Source: OG 2019,  Source: OG 2020,  Source: Official Guide

Walkabout

25

60707

19 Sep 2019, 12:52

View the latest post Shef08

69
ER
View first unread post If y=−m^2, which of the following must be true?  

Tags: Difficulty: 700-Level,  Algebra,  Must or Could be True Questions,  Source: Economist GMAT Tutor

Joy111

19

9603

19 Sep 2019, 11:30

View the latest post bumpbot

42
ER
View first unread post In the sequence 1, 2, 2, …, an, …, an = an-1 • an-2.  

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

hb

4

7457

19 Sep 2019, 06:14

View the latest post legendinthewomb

113
ER
View first unread post If x^4 + y^4 = 100, then the greatest possible value of x is between  

Tags: Difficulty: 700-Level,  Algebra,  Min/Max Problems,  Source: GMAT Prep,  Source: OG 10,  Source: Quant Review 1st

ulm

14

12732

19 Sep 2019, 04:36

View the latest post bumpbot

22
ER
View first unread post A certain car company manufactured x cars at a cost of c dollars per  

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

LakerFan24

7

1849

18 Sep 2019, 06:56

View the latest post kdgupta

82
ER
View first unread post If n = 10^10 and n^n = 10^d, what is the value of d?  

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

russ9

12

11506

17 Sep 2019, 04:11

View the latest post bumpbot

106
ER
View first unread post Attachment(s) In the figure shown, if the area of the shaded region is 3 times  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Algebra,  Exponents/Powers,  Geometry,  Source: OG 2016,  Source: OG 2017,  Source: OG 2018,  Source: OG 2019,  Source: OG 2020,  Source: Official Guide

Bunuel

22

16699

17 Sep 2019, 01:00

View the latest post PinakiRDas

21
View first unread post All the page numbers from book are added, beginning at page  

Tags: Difficulty: 700-Level,  Arithmetic

GMATtracted

6

12977

16 Sep 2019, 16:56

View the latest post ankitdimania

83
ER
View first unread post If w, x, y, and z are non-negative integers, each less than  

Tags: Difficulty: 700-Level,  Algebra,  Number Properties,  Source: GMAT Paper Tests

abhi758

15

7261

16 Sep 2019, 07:25

View the latest post bumpbot

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