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# Problem Solving (PS)

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 EMPOWERgmat PS Forum Expert - Ask Me Anything about PS and Math   Go to page: 1, 2 Tags: Source: EMPOWERgmat
EMPOWERgmatRichC

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4828

26 Oct 2019, 19:33

 Veritas Prep PS Forum Expert - Karishma - Ask Me Anything about Math   Go to page: 1 ... 8, 9, 10 Tags: Source: Veritas Prep

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9159

02 Dec 2019, 21:57

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ER
 100 Hardest and easiest questions for PS as of November 2019
Bunuel

12

104411

29 Jul 2019, 07:22

1937
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 GMAT PS Question Directory by Topic & Difficulty
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0

755891

22 Feb 2012, 11:27

## GMAT Club Member Recommended Prep Products:

Topics

224
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 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
MathRevolution

8

2654

07 Oct 2019, 07:38

16
ER
 A GMAT aspirant appears for a certain number of tests. His average sco
nick1816

5

493

07 Oct 2019, 07:14

11
 A certain investment grows at an annual interest rate of 16 percent...
CAMANISHPARMAR

2

770

07 Oct 2019, 06:32

16
ER
 The product of the first 10 prime numbers is closest to whic
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
EMPOWERgmatRichC

4

363

06 Oct 2019, 21:05

24
ER
 Two trains, 100 miles apart, travelling towards each other on parallel
DisciplinedPrep

4

769

06 Oct 2019, 20:00

7
ER
 If a and b are nonnegative integers and 4a + 3b = 32, how many values
Bunuel

8

1549

06 Oct 2019, 07:17

85
ER
 At an amusement park, tom bought a number of red tokens and
calreg11

16

8176

06 Oct 2019, 06:59

8
ER
 An office building housed some tenants and service workers.
Hovkial

2

298

05 Oct 2019, 16:50

16
ER
 If a1 and a2 are the real roots of x^2-px+12=0, then which of the
darshshah981

3

447

05 Oct 2019, 11:04

6
ER
 The number of visible stars in the night sky, T, can be estimated by
Bunuel

4

504

04 Oct 2019, 02:56

292
ER
 The product of all the prime numbers less than 20 is closest to which
Bunuel

15

62673

03 Oct 2019, 19:05

18
ER
 If x is negative and y is positive, what is 4x2−4xy+y2
PriyankaPalit7

6

1194

03 Oct 2019, 15:58

11
 Edward invested five-ninths of his money at an annual rate of 2r% comp
kiran120680

4

708

03 Oct 2019, 13:18

8
ER
 Cathy has equal numbers of nickels and quarters worth a total of \$7.50
Bunuel

6

3166

03 Oct 2019, 12:25

5
ER
 How many digits does 5437682*34567254 have?
MathRevolution

3

348

02 Oct 2019, 02:29

8
 Find the number of non-negative integer solutions of
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
Bunuel

11

1773

30 Sep 2019, 09:08

30
ER
 If the sum of the first 30 positive odd inte
EgmatQuantExpert

12

3664

30 Sep 2019, 09:03

123
ER
 If y=root(3y+4), then the product of all possible solution
Prax

15

8952

30 Sep 2019, 07:28

9
ER
 If x and y are integers and 2*x^(1/2) + y^2 < 5, then x*y can take how
Bunuel

1

262

30 Sep 2019, 06:47

20
 If sqrt(3x)-sqrt(4y)=3 and x-4/3y=5 then xy =
Scyzo

7

1507

30 Sep 2019, 05:56

18
ER
 If x and y are integers greater than 3, and 15y – 11x = 8,
GMATPrepNow

8

1394

30 Sep 2019, 05:37

8
ER
 If xy≠0, and √x−y=√x−√y, which of the following must be
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
MathRevolution

3

280

29 Sep 2019, 23:20

6
ER
 Of the following, which is most nearly equal to 2/3 ?
Bunuel

4

331

29 Sep 2019, 14:41

2
 A man purchases five tables and seven chairs for \$5850.
Hovkial

1

215

29 Sep 2019, 10:46

27
ER
 What is the value of 1/(1*2)+1/(2*3)+...+1/(99*100)?
broall

10

8832

29 Sep 2019, 01:07

5
 Let f(x) = min{x^2 - 2, 1 - 2x}, for any positive real numbe
Dillesh4096

2

242

29 Sep 2019, 01:03

19
 |a+b|/|a|+|b| + |b+c|/|b|+|c| +|c+a|/|c|+|a|=M
nick1816

10

827

28 Sep 2019, 05:02

29
 (1+√3)(√(2 + √3) = ?
jwang516

4

1432

27 Sep 2019, 23:23

17
ER
 One filter decreases the concentration of harmful substances in water
honchos

9

3515

27 Sep 2019, 04:47

41
ER
 What is the product of all values of x that satisfies the equation:
EgmatQuantExpert

17

4025

27 Sep 2019, 04:26

43
ER
 The cost per unit of electricity during a 4 year period is a
Safal

11

4998

27 Sep 2019, 03:12

12
ER
 If 0 < x < 1 and y > 1, (√(x + y − 2√xy) + √(x + y + 2√xy) =
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
Bunuel

8

718

26 Sep 2019, 06:16

3
 If ?m! = m^2, then what will ?15!-?14! equal to?
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
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
Bunuel

11

1122

25 Sep 2019, 08:47

28
ER
 The ratio, by volume, of acid to base to water in a certain solution
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 <=
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
DisciplinedPrep

4

479

24 Sep 2019, 04:08

13
ER
 In the recent electoral polls, 15% of the voter turnout were under the
ssp4all

4

2455

24 Sep 2019, 01:21

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

2

342

24 Sep 2019, 00:50

60
ER
 The table shows the amount budgeted and the amount spent for each of
AbdurRakib

10

10754

23 Sep 2019, 19:07

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

2

263

23 Sep 2019, 18:29

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

2

178

21 Sep 2019, 05:25

34
ER
 If x^1+x^(−1)=5, what is the value of x^4+x^(−4)?
Bunuel

8

3603

20 Sep 2019, 07:00

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