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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

24

4203

27 Sep 2019, 11:20

 Veritas Prep PS Forum Expert - Karishma - Ask Me Anything about Math   Go to page: 1 ... 7, 8, 9 Tags: Source: Veritas Prep

179

8117

12 Oct 2019, 01:31

Announcements

506
ER
 100 Hardest and easiest questions for PS as of September 2019
Bunuel

12

100676

29 Jul 2019, 07:22

1897
ER
 GMAT PS Question Directory by Topic & Difficulty
bb

0

738123

22 Feb 2012, 11:27

Topics

2
 The postal service charges \$3.20 per
ScottK

2

298

11 Aug 2019, 10:37

2
ER
 a, b, c, and d are all positive integers. If ab/(c + d) = 3.7 which of
Bunuel

1

388

28 May 2019, 01:35

2
ER
 For how many values of x<0 does the equation 0.1x^4 – 0.5x^2 – 1.4 = 0
workout

2

314

20 Sep 2018, 08:40

2
 If x+y = 30 and x^3+y^3=8100, what's the value of x^2+y^2?
lucajava

2

282

09 Apr 2019, 17:17

3
ER
 Two different positive numbers a and b each differ from their reciproc
Bunuel

7

376

20 Mar 2019, 06:29

3
 A certain clock rings two notes at quarter past the hour, four notes
SW4

3

1222

04 Nov 2018, 00:50

3
ER
 Maurice entered a number into his calculator and erroneously divided
Bunuel

2

266

31 May 2019, 07:37

3
ER
 If (x - 2 3^1/2) is one of the quadratic X^2 + (4 3^1/2)x - 36, what
TheEconomistGMAT

2

168

13 Oct 2019, 00:38

3
ER
 Which of the following is closest to (10^19-10^3)/(10^17+1)?
MathRevolution

6

1158

13 Sep 2016, 00:01

3
ER
 Let a, b, and c be three distinct one-digit numbers. What is the maxim
Bunuel

1

196

25 Apr 2019, 10:10

3
ER
 For a positive integer n, f(n) is defined as 1 + 1/2 + 1/3 + … + 1/n.
MathRevolution

4

223

11 Oct 2019, 09:01

3
ER
 Which of the following equations is true for all positive values of x
Princ

4

1008

26 May 2018, 08:44

3
ER
 Let a, b, and c be positive integers with a> b > c such that a^2 - b^2
Bunuel

2

209

18 Apr 2019, 04:24

3
 If a and b are real numbers such that the following expression is true
nick1816

1

188

11 May 2019, 02:28

3
ER
 If g(x) = 3x + sqrt x
jwam2

7

1839

18 Aug 2017, 04:19

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

1

290

19 Mar 2019, 01:39

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

365

24 Sep 2019, 04:08

3
ER
 If points p and q are distinct points equidistant from zero on a numbe
aragonn

8

721

09 Dec 2018, 04:30

3
ER
 If x^(1-x)=4, what is the value of
fskilnik

2

384

14 Feb 2019, 06:08

3
ER
 If the city centers of New York and London are 3,471 miles apart, whic
Bunuel

5

1430

28 Jun 2019, 23:02

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

3

389

20 Mar 2019, 20:34

3
ER
 1.001 + 0.999996/1.002 =
Bunuel

2

191

22 Aug 2019, 01:32

3
ER
 a is the product of 3 and the square root of 2, b is the product of 2
Bunuel

3

515

03 Nov 2018, 00:42

3
ER
 For any 3 given numbers, which of the following is always equivalent
Bunuel

6

2110

27 Oct 2018, 13:41

3
ER
 If P=2^(x^2+10x+72) and Q=2^(x^2+16x+54), where x is a positive
souvonik2k

1

388

14 Mar 2018, 09:58

3
ER
 If x^a*y^b*z^c equals the product of 154 and 56, z > y > x, and a > b
Bunuel

3

640

02 Jul 2018, 05:39

3
ER
 Which one of the following is closest to 1?
Bunuel

6

406

02 Jun 2019, 08:50

3
ER
 What is the value of 1 / (√2+√1) + 1 / (√3+√2) + 1/(√4+√3) + … + 1/(√2
MathRevolution

3

266

23 Jun 2019, 18:28

3
 If |x − 2| = p, where x < 2, then x − p =

3

307

15 Mar 2019, 22:17

3
ER
 How many ordered pairs of positive integers (M,N) satisfy the equation
Bunuel

3

460

26 Apr 2019, 15:33

3
ER
 (15^6 − 15^4)/(3^6 − 3^4) =
Bunuel

3

522

07 Nov 2018, 04:37

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

1

210

05 Apr 2019, 02:51

3
ER
 In the addition shown below A, B, C, and D are distinct digits. How ma
Bunuel

2

277

27 Apr 2019, 03:20

3
ER
 Both roots of the quadratic equation x^2-39x+a = 0 are prime numbers.
MathRevolution

4

370

30 Jun 2019, 18:05

3
ER
 Which of the following procedures is always equivalent to adding 5
Bunuel

3

1465

17 Apr 2019, 09:01

3
ER
 If A, B and C represent different digits in the multiplication, then A
chesstitans

3

4130

02 Feb 2019, 06:59

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

1

264

19 Mar 2019, 11:12

3
 If a/b = c/d then which of the following must be true
Probus

7

519

15 May 2019, 09:41

3
ER
 The Earth travels around the Sun at an approximate speed of 20 miles p
Bunuel

9

5079

07 Mar 2019, 20:52

3
ER
 Word Problem - A furniture retailer bought 100 identical chairs at a c
EgmatQuantExpert

3

1012

27 Jan 2017, 23:30

3
ER
 If the curve described by the equation y = x2 + bx + c cuts the x-axis

5

668

03 Jan 2019, 03:15

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

2

357

18 Mar 2019, 03:32

3
ER
 Claudia has 12 coins, each of which is a 5-cent coin or a 10-cent coin
Bunuel

1

214

26 Apr 2019, 22:17

4
ER
 Which of the following is equal to
MathRevolution

4

792

18 Jan 2018, 08:44

4
 IF P = 9^{1/2} - 9^{1/3} - 9^{1/4}, then P is:
MahmoudFawzy

10

683

27 Jun 2019, 12:58

4
ER
 If n >2 and (2/n) is substituted for all instances of n in t
Bunuel

8

3839

18 Oct 2018, 09:40

4
ER
 If t = a^2 - b^2, u = a^2 + b^2, v=2ab, what is the value of
jjsverbal

3

1163

16 Jan 2019, 02:04

4
 In each of the first five years of a bachelor degree program of four y
pushpitkc

2

879

04 Sep 2017, 01:15

4
ER
 Which of the following is closest in value to 0.5729?
Bunuel

3

625

12 Jan 2018, 05:41

4
 A loan of \$10,000 has an annual interest rate of 8%, compounded...
CAMANISHPARMAR

1

440

11 Nov 2018, 09:58

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