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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

4186

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

8088

12 Oct 2019, 01:31

Announcements

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

12

100570

29 Jul 2019, 07:22

1896
ER
 GMAT PS Question Directory by Topic & Difficulty
bb

0

737623

22 Feb 2012, 11:27

Topics

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

2

356

18 Mar 2019, 03:32

10
ER
 Each of A, B and C represents a one-digit integer. AB and BA are two-d
MathRevolution

5

358

29 May 2019, 03:18

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

359

24 Sep 2019, 04:08

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

7

362

30 Mar 2019, 12:08

1
 The quadratic equation x 2 + mx + n = 0 has roots that are twice thos
Rubina11

2

364

14 Mar 2019, 11:15

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

3

365

04 Apr 2019, 18:19

11
ER
 If [m](\sqrt[3]{4})([square_root]5.5[/square_root])=([square_root]22[/
GMATPrepNow

3

367

12 Aug 2019, 10:18

6
ER
 What is the value of Z if (|2Z|)! – |Z| = Z ?
Bunuel

3

369

29 Sep 2019, 04:54

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

4

370

30 Jun 2019, 18:05

5
ER
 Find x^4 + 1/x^4 if x – 1/x = 2.
MathRevolution

2

373

25 Nov 2018, 18:38

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

7

376

20 Mar 2019, 06:29

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

2

383

14 Feb 2019, 06:08

4
ER
 If a and b are constants such that are constants such that ax/(x^2 - 1
fskilnik

4

384

22 Feb 2019, 21:39

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

1

385

28 May 2019, 01:35

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

3

386

20 Mar 2019, 20:34

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

1
ER
 If x>0, what is the sum of the roots of the equation x^sqrt(x)=x^2?
fskilnik

5

392

12 Mar 2019, 04:14

5
ER
 Which of the following could be the value of x + y, if both (x + 1/5)
Bunuel

4

394

07 Jun 2019, 06:07

8
 If x^2 - 7x + |k| = 0 has real roots. How many integer values can 'k'
Dillesh4096

1

395

07 Aug 2019, 08:11

8
ER
 A container of milk costs $60. If the container were to hold cfc198 2 396 19 Dec 2018, 07:17 7  Which of the following must be true? gmatbusters 5 398 13 Oct 2018, 11:00 8  Find the value of x3 + 8y3 + z3 in terms of x, y and z if x Rajat1998 4 399 09 Jun 2019, 21:58 5 ER  If (2x+y-z)^2+(x-y)^2+(z-3)^2=-(3y-z)^2, what is the value of 3x+2y+z? fskilnik 4 399 04 Mar 2019, 16:19 1 ER  You have access to an unlimited number of each of the following coins: fskilnik 2 401 25 Feb 2019, 12:55 1  Jake’s regular hourly wage is twice of Kevin’s regular hourly wage, bu btrg 2 403 01 May 2019, 08:24 1 ER  The decorating committee for a dance plans to fringe the 3-inch-wide Bunuel 4 403 06 Feb 2019, 13:12 3 ER  Which one of the following is closest to 1? Bunuel 6 405 02 Jun 2019, 08:50 8 ER  If (r+1/r)^2 = 5, what is the value of (r^3+1/r^3)^2? fskilnik 6 406 28 Mar 2019, 12:48 4  The total value of the coins in a piggy bank is 1 dollar. rohan2345 2 407 09 Mar 2019, 19:46 13  Given that g(h(x)) = 2x^2 + 3x, and h(g(x)) = x^2 + 4x - 4 for all the nick1816 1 408 10 Aug 2019, 23:04 9 ER  Consider the set of all fractions x/y, where x and y are relatively pr Bunuel 4 409 03 May 2019, 09:27 5 ER  The product of all prime numbers less than 29 is approximately equal Bunuel 2 411 29 Apr 2019, 12:52 10  x and y are a pair of positive integers such that both their sum and d gracie 4 413 18 Aug 2019, 12:01 13 ER  A GMAT aspirant appears for a certain number of tests. His average sco nick1816 5 419 07 Oct 2019, 07:14 2 ER  What is the product of the factors of twice the sum of the roots of th Bunuel 3 420 10 Dec 2018, 09:15 4 ER  Which of the following are roots of an equation 10x^{-2}+x^{-1}-21=0 MathRevolution 3 423 11 Nov 2018, 23:06 6  Of the following expressions, which one has the smallest value? CAMANISHPARMAR 4 424 02 Feb 2019, 11:29 7 ER  (x^8y^2+x^2y^8)/(x^2+y^2)=? MathRevolution 3 425 02 Jan 2019, 01:46 1 ER  Mary has$4.6 in nickels and dimes only. If she has fewer dimes than
rohan2345

4

426

17 Dec 2018, 05:23

ER
 Which three of the following numbers, when multiplied by each other, y
Bunuel

5

431

26 Jul 2019, 23:08

11
 In a certain sequence a1, a2, ...an..., for n>1, each term is the sum
MBA20

3

431

22 Apr 2019, 01:45

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

4

433

04 Oct 2019, 02:56

18
ER
 N is a positive 3-digit integer in which all three digits have
GMATPrepNow

3

433

11 Jul 2019, 06:21

4
 A is 30% more efficient than B. How much time will they take to
jackfr2

9

437

27 May 2019, 18:33

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

4

437

24 Mar 2019, 18:43

8
 Santa is packing 10 boxes into his sleigh. each box weighs either 20

4

439

01 Feb 2019, 23:26

10
ER
 Which of the following is two more than square of an odd integer?
workout

2

439

03 Dec 2018, 06:03

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

1

440

11 Nov 2018, 09:58

2
ER
 Which of the following are pairs of numbers that are reciprocals?
CAMANISHPARMAR

2

441

05 Dec 2018, 19:13

9
ER
 What is the minimum value of the expression
EgmatQuantExpert

2

441

05 Aug 2019, 22:01

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