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# Problem Solving (PS)

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1
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 Introducing a Chat in PS Forum
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738

05 Jun 2019, 07:31

Forum Experts

 EMPOWERgmat PS Forum Expert - Ask Me Anything about PS and Math   Tags: Source: EMPOWERgmat
EMPOWERgmatRichC

18

3101

11 Jul 2019, 11:33

 Veritas Prep PS Forum Expert - Karishma - Ask Me Anything about Math   Go to page: 1 ... 6, 7, 8 Tags: Source: Veritas Prep

152

6153

16 Jun 2019, 23:00

Announcements

474
ER
 100 Hardest and easiest questions for PS as of June 2019
Bunuel

11

95092

11 Jul 2019, 10:17

1815
ER
 GMAT PS Question Directory by Topic & Difficulty
bb

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708718

22 Feb 2012, 11:27

Topics

3
ER
 What is the simplified expression for 1/(√1+√2) + 1/(√2+√3) + 1/(√3+√4
MathRevolution

3

243

07 Apr 2019, 18:43

13
ER
 If x and y are distinct prime numbers, which of the following could be
AbdurRakib

5

2107

07 Apr 2019, 11:53

3
 Let abcd be a general four-digit number and all the digits are non-zer
UdayPratapSingh99

1

185

05 Apr 2019, 02:51

8
ER
 If x^2 – y^2 = 16 and x + y > x – y, then which one of the following
Bunuel

4

300

04 Apr 2019, 18:24

7
ER
 A pump can fill a tank with water in 2 hours. Because of a
jackfr2

3

317

04 Apr 2019, 18:19

1
ER
 The average of the numbers 1, 2, 3,..., 98, 99, and x is 100x. What is
Bunuel

4

411

01 Apr 2019, 12:16

51
ER
 If a line which has the equation 7x + 17y = 1000 is plotted on X-Y pla
GMATinsight

13

2610

01 Apr 2019, 06:36

4
ER
 How many positive integers less than 1000 are 6 times the sum of their
Bunuel

5

419

01 Apr 2019, 06:25

5
ER
 x and y satisfy the equation x^2 + y^2 = 10x - 6y - 34. What is x + y?
Bunuel

4

361

01 Apr 2019, 03:56

46
ER
 Jane started baby-sitting when she was 18 years old.
u0422811

19

8177

31 Mar 2019, 22:05

8
 Jim goes to the track with \$150 in his pocket
praveenbaranwal

4

1786

31 Mar 2019, 20:49

10
ER
 Two train of equal length running in opposite direction
jackfr2

2

334

31 Mar 2019, 05:10

1
 How many solutions does 1/[x*(x+1)]+1/[x*(x+2)]=1/(x+1) have? A. None
MBA20

7

324

30 Mar 2019, 12:08

8
ER
 Word Problem - A craftsman sold his identical handcrafted items at a p
EgmatQuantExpert

6

1291

30 Mar 2019, 03:13

10
ER
 If a/b = 1/2, then the numerical value of which of the following
Bunuel

7

2000

29 Mar 2019, 15:15

8
ER
 If (r+1/r)^2 = 5, what is the value of (r^3+1/r^3)^2?
fskilnik

6

364

28 Mar 2019, 12:48

52
 For how many different pairs of positive integers (a, b) can
AccipiterQ

6

5481

28 Mar 2019, 10:50

12
ER
 If c is a constant such that the system of equations given abov
fskilnik

6

636

26 Mar 2019, 06:55

28
ER
 Which of the following represents the greatest value?

7

3608

26 Mar 2019, 04:07

36
ER
 If function f(x) = x² + 2bx + 4, then for any b, f(x) is the least whe
Nipungautam23

5

3873

25 Mar 2019, 21:37

63
ER
 If a number is selected from the factors of 3^{3} 5^{2} 7^{2}
idontknowwhy94

7

2540

25 Mar 2019, 18:47

35
ER
 If x and y are positive and x^2+y^2=100, then for which of the followi
reto

11

4809

25 Mar 2019, 14:46

17
 In the above table, scores and frequencies are shown. If the median
ekniv

4

1123

25 Mar 2019, 09:31

6
ER
 A rectangle with diagonal length x is twice as long as it is wide. Wha
Bunuel

4

365

24 Mar 2019, 18:43

7
ER
 The size of diamonds is measured in carats. If the price of a diamond
vikasp99

2

1257

24 Mar 2019, 15:47

74
ER
 In a certain company, the formula for maximizing profits is
wcgc

19

16421

24 Mar 2019, 01:37

16
ER
 The number x is the average (arithmetic mean) of the positiv
Stiv

9

6368

23 Mar 2019, 22:28

13
ER
 A line passes through A(1,1) and B(100,1000). How many other points wi
Bunuel

1

309

22 Mar 2019, 20:20

7
ER
 If z ≠ 1 and z^2 − 2z + 20/(z −1) =20, then how many negative values
niteshwaghray

2

721

22 Mar 2019, 13:01

33
ER
 If x^2 + 9/x^2 = 31, what is the value of x - 3/x?
maxx1234

14

4550

22 Mar 2019, 10:42

4
ER
 Penniless Pete's piggy bank has no pennies in it, but it has 100 coins
Bunuel

3

303

22 Mar 2019, 09:26

19
ER
 Given a + 1 = b + 2 = c + 3 = d + 4 = a + b + c + d + 5, then what is
mangamma

10

822

22 Mar 2019, 09:14

4
ER
 The straight lines given by the equation 2x^2=2y^2-3xy are:
fskilnik

3

253

21 Mar 2019, 18:03

ER
 Let U = 2*2004^2005, V = 2004^2005, W = 2003*2004^2004, X = 2*2004^200
Bunuel

1

209

21 Mar 2019, 09:04

3
ER
 What is the sum of the reciprocals of the roots of the equation
Bunuel

3

298

20 Mar 2019, 20:34

245
ER
 If 2^x + 2^y = x^2 + y^2, where x and y are nonnegative inte
axl_oz

20

25300

20 Mar 2019, 11:02

2
ER
 The number 2013 has the property that its units digit is the sum of it
Bunuel

3

275

20 Mar 2019, 09:40

5
ER
 On a certain two-part test, a student must choose one of 4 short essay

6

535

20 Mar 2019, 09:20

7
ER
 Cathy has equal numbers of nickels and quarters worth a total of \$7.50
Bunuel

6

2594

20 Mar 2019, 08:26

2
ER
 Two different positive numbers a and b each differ from their reciproc
Bunuel

7

338

20 Mar 2019, 06:29

25
ER
 If f(x) = 3x^2 - tx + 5 is tangents to x-axis, what is the value of a
fattty

7

2277

19 Mar 2019, 23:53

21
ER
 If both roots of the quadratic equation y^2 -63y +x =0 are prime numbe
manpreetsingh86

5

3505

19 Mar 2019, 19:12

3
ER
 Let f be a function for which f(x/3) = x^2 + x + 1. Find the sum of al
Bunuel

1

218

19 Mar 2019, 11:12

ER
 Let n be the largest integer that is the product of exactly 3 distinct
Bunuel

2

220

19 Mar 2019, 10:32

3
ER
 Let a, b, and c be real numbers such that a - 7b + 8c = 4 and 8a + 4b
Bunuel

1

191

19 Mar 2019, 01:39

2
ER
 For which of the following values of k does the equation (x - 1)(x - 2
Bunuel

1

175

19 Mar 2019, 00:58

ER
 If y = x^2 − 32x + 256, then what is the least possible value of y ?
Bunuel

3

232

18 Mar 2019, 18:49

171
ER
 If root{3-2x} = root(2x) +1, then 4x^2 =
Bunuel

35

28264

18 Mar 2019, 10:07

3
ER
 Four positive integers a, b, c, and d have a product of 8! and satisfy
Bunuel

2

213

18 Mar 2019, 03:32

16
ER
 How many numbers between 200 and 400 begin or end with 3?
chiccufrazer1

7

22856

17 Mar 2019, 06:40

 new topic Question banks Downloads My Bookmarks Reviews Important topics Go to page Previous    1  ...  3   4   5   6   7   8   9   10   11  ...  18    Next Search for: