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EMPOWERgmat PS Forum Expert - Ask Me Anything about PS and Math

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

EMPOWERgmatRichC

26

4828

26 Oct 2019, 19:33

EMPOWERgmatRichC

Veritas Prep PS Forum Expert - Karishma - Ask Me Anything about Math

Go to page: 1 ... 8, 9, 10 Tags: Source: Veritas Prep

VeritasKarishma

190

9159

02 Dec 2019, 21:57

VeritasKarishma

Announcements

522

ER

100 Hardest and easiest questions for PS as of November 2019

Tags: Difficulty: 700-Level

Bunuel

12

104411

29 Jul 2019, 07:22

1937

ER

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

755891

22 Feb 2012, 11:27

GMAT Club Member
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224

ER

A set of 15 different integers has median of 25 and a range

Go to page: 1, 2 Tags: Difficulty: 700-Level, Algebra, Statistics and Sets Problems, Source: GMAT Prep

bhushangiri

23

48964

08 Oct 2019, 08:12

13

ER

Which of the following are roots of an equation x-2+2x-1-15=0

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

MathRevolution

8

2654

07 Oct 2019, 07:38

16

ER

A GMAT aspirant appears for a certain number of tests. His average sco

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

nick1816

5

493

07 Oct 2019, 07:14

11

A certain investment grows at an annual interest rate of 16 percent...

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

CAMANISHPARMAR

2

770

07 Oct 2019, 06:32

16

ER

The product of the first 10 prime numbers is closest to whic

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

emmak

5

8231

07 Oct 2019, 05:15

5

ER

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

363

06 Oct 2019, 21:05

EMPOWERgmatRichC

24

ER

Two trains, 100 miles apart, travelling towards each other on parallel

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

DisciplinedPrep

4

769

06 Oct 2019, 20:00

7

ER

If a and b are nonnegative integers and 4a + 3b = 32, how many values

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

Bunuel

8

1549

06 Oct 2019, 07:17

85

ER

At an amusement park, tom bought a number of red tokens and

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

calreg11

16

8176

06 Oct 2019, 06:59

8

ER

An office building housed some tenants and service workers.

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

Hovkial

2

298

05 Oct 2019, 16:50

ScottTargetTestPrep

16

ER

If a1 and a2 are the real roots of x^2-px+12=0, then which of the

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

darshshah981

3

447

05 Oct 2019, 11:04

TestPrepUnlimited

6

ER

The number of visible stars in the night sky, T, can be estimated by

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

Bunuel

4

504

04 Oct 2019, 02:56

292

ER

The product of all the prime numbers less than 20 is closest to which

Tags: Difficulty: 700-Level, Arithmetic, Exponents/Powers, Source: OG 2015, Source: OG 2016, Source: OG 2017, Source: OG 2018, Source: OG 2019, Source: OG 2020, Source: Official Guide

Bunuel

15

62673

03 Oct 2019, 19:05

jabhatta@umail.iu.edu

18

ER

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

1194

03 Oct 2019, 15:58

11

Edward invested five-ninths of his money at an annual rate of 2r% comp

Tags: Difficulty: 700-Level, Algebra, Percents and Interest Problems, Source: e-GMAT

kiran120680

4

708

03 Oct 2019, 13:18

8

ER

Cathy has equal numbers of nickels and quarters worth a total of $7.50

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

Bunuel

6

3166

03 Oct 2019, 12:25

ScottTargetTestPrep

5

ER

How many digits does 5437682*34567254 have?

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

MathRevolution

3

348

02 Oct 2019, 02:29

8

Find the number of non-negative integer solutions of

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

TheNightKing

1

239

30 Sep 2019, 22:56

24

ER

How many positive values of x exist if n is a positive integer and 10

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

Bunuel

11

1773

30 Sep 2019, 09:08

30

ER

If the sum of the first 30 positive odd inte

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

EgmatQuantExpert

12

3664

30 Sep 2019, 09:03

123

ER

If y=root(3y+4), then the product of all possible solution

Tags: Difficulty: 700-Level, Algebra, Roots

Prax

15

8952

30 Sep 2019, 07:28

EgmatQuantExpert

9

ER

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

262

30 Sep 2019, 06:47

20

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

1507

30 Sep 2019, 05:56

18

ER

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

1394

30 Sep 2019, 05:37

8

ER

If xy≠0, and √x−y=√x−√y, which of the following must be

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

GMATPrepNow

5

416

29 Sep 2019, 23:25

7

ER

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

280

29 Sep 2019, 23:20

6

ER

Of the following, which is most nearly equal to 2/3 ?

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

Bunuel

4

331

29 Sep 2019, 14:41

EgmatQuantExpert

2

A man purchases five tables and seven chairs for $5850.

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

Hovkial

1

215

29 Sep 2019, 10:46

27

ER

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

8832

29 Sep 2019, 01:07

5

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

242

29 Sep 2019, 01:03

19

|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

827

28 Sep 2019, 05:02

29

(1+√3)(√(2 + √3) = ?

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

jwang516

4

1432

27 Sep 2019, 23:23

17

ER

One filter decreases the concentration of harmful substances in water

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

honchos

9

3515

27 Sep 2019, 04:47

41

ER

What is the product of all values of x that satisfies the equation:

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

EgmatQuantExpert

17

4025

27 Sep 2019, 04:26

43

ER

The cost per unit of electricity during a 4 year period is a

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

Safal

11

4998

27 Sep 2019, 03:12

VeritasKarishma

12

ER

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

879

26 Sep 2019, 22:20

9

ER

How many digits will be there to the right of the decimal point in the

Tags: Difficulty: 700-Level, Arithmetic, Number Properties, Word Problems, Source: GMAT Hacks, Source: Other - Please specify

Bunuel

8

718

26 Sep 2019, 06:16

VeritasKarishma

3

If ?m! = m^2, then what will ?15!-?14! equal to?

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

EncounterGMAT

7

288

25 Sep 2019, 18:55

17

ER

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

1176

25 Sep 2019, 16:26

8

ER

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

1122

25 Sep 2019, 08:47

28

ER

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

2112

24 Sep 2019, 22:30

211

ER

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

19751

24 Sep 2019, 09:48

128

ER

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

6476

24 Sep 2019, 07:27

3

ER

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

479

24 Sep 2019, 04:08

13

ER

In the recent electoral polls, 15% of the voter turnout were under the

Tags: Difficulty: 700-Level, Algebra, Probability, Source: GMAT Hacks

ssp4all

4

2455

24 Sep 2019, 01:21

4

ER

The value of (1/x)-(4/√x)+4 is least when x =

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

mangamma

2

342

24 Sep 2019, 00:50

60

ER

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

10754

23 Sep 2019, 19:07

6

ER

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

263

23 Sep 2019, 18:29

ScottTargetTestPrep

4

ER

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

178

21 Sep 2019, 05:25

34

ER

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

3603

20 Sep 2019, 07:00

new topic	Question banks	Downloads	My Bookmarks	Reviews	Important topics
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Moderators: chetan2u, Gladiator59, Bunuel, VeritasKarishma, generis

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