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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

4172

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

8074

12 Oct 2019, 01:31

Announcements

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

12

100533

29 Jul 2019, 07:22

1896
ER
 GMAT PS Question Directory by Topic & Difficulty
bb

0

737455

22 Feb 2012, 11:27

Topics

5
 A wholesaler purchases “n” mobile phones from the manufacturer at a pr
PriyankaPalit7

3

315

09 Jul 2019, 11:37

5
ER
 If x is negative and y is positive, what is the value of x given that
Bunuel

3

713

20 Nov 2018, 01:25

5
ER
 The sequence a1, a2, a3, ..., an,…...is such that an= 1/n^2−1/(n−1)^2
mangamma

1

317

02 May 2019, 00:27

5
 Let a1, a2, ... , a52 be positive integers such that a1 ＜ a2 ＜ ...
AbdulMalikVT

2

191

23 Aug 2019, 23:10

5
ER
 A yellow taxi cab went from Downtown to the Beachside and back at an a

3

896

02 Jun 2019, 22:04

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

2

373

25 Nov 2018, 18:38

5
ER
 What is the sum of the roots of the equation 4^x – 6·2^x + 8 = 0?
MathRevolution

6

485

08 May 2019, 10:44

5
ER
 xyz=2, what is the value of x/(xy+x+2) + y/(yz+y+1) + 2z/(zx+2
MathRevolution

3

223

29 Sep 2019, 23:20

5
ER
 Find the pattern in the figure below
Mikko

3

2959

01 Oct 2010, 02:32

5
ER
 If the sum of the squares of x and y is 3, and x^4 = y^4 + 25, what
CAMANISHPARMAR

6

890

09 Aug 2018, 04:26

5
ER
 A square has an area of (0.027)^(-2/3) square meters. The perimeter of
fskilnik

5

480

20 Feb 2019, 10:48

5
ER
 Max has x dollars. He goes into a candy store and buys y pieces of can
Bunuel

5

458

15 May 2019, 13:42

5
ER
 If x, y, and z are positive numbers satisfying x + 1/y = 4, y + 1/z =
Bunuel

1

281

15 Mar 2019, 01:45

5
ER
 What is the value of
MathRevolution

4

260

25 Apr 2019, 01:24

5
ER
 In a joint family there are 3 couples. The ages (all in years) of the
Ashishmathew01081987

3

1618

01 Jan 2017, 14:10

5
ER
 Alice and Bob were asked to solve the equation x^2+px+q=0. Alice obtai
MathRevolution

4

647

13 Jan 2018, 18:59

5
ER
 If x is an integer and x2(x−1)+2x+1=2x1+x+12(1−x)
delta23

8

723

05 Aug 2018, 07:27

5
ER
 A hardware store purchased x identical standard flashlights at \$5 each
Bunuel

9

1005

17 Dec 2018, 02:24

5
ER
 The straight lines given by the equation 2x^2=2y^2-3xy are:
fskilnik

3

279

21 Mar 2019, 18:03

5
ER
 The sum of two numbers is 1 and their product is -1. What is the sum o
MathRevolution

3

243

10 May 2019, 01:11

5
ER
 Fence X is twice as long as fence Y, and fence Y is 2 feet shorter tha
Maxirosario2012

6

2549

29 Jan 2016, 23:47

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

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

5
 What is the sum of {1/1∗4 + 1/2∗5 + 1/3∗6 + 1/4∗7....}
utkarshg97

3

325

28 Jun 2019, 23:14

5
ER
 Amitabh picks a random integer between 1 and 999, doubles it and gives
Manas1212

2

255

14 May 2019, 08:24

5
ER
 Novak invested \$5000 in scheme A for 4 years, which gave a fixed rate
mangamma

1

322

23 Jul 2019, 04:57

5
ER
 If k=3^81 and k^k=3^m, what is the value of m?
KarthikMBA2019

6

965

17 Jul 2018, 16:25

5
ER
 Let G and H be positive integers. 2G - 10 > -H and 3H - 20 < -G. If L
reynaldreni

4

533

18 Aug 2019, 09:02

5
ER
 A dealer once sold identical cars at a piece of x dollars each (includ

2

690

10 Feb 2019, 08:57

5
 A bag of 216 caramels is divided equally among a group of children.
energetics

3

534

09 Oct 2019, 12:09

6
ER
 Which of the following is the number of solutions to the system of equ
Bunuel

11

1421

22 May 2017, 13:14

6
 Two different two-digit numbers are written beside each other such tha
Hovkial

8

455

22 Aug 2019, 04:13

6
ER
 A factory producing tennis balls stores them in either big
sondenso

12

4622

02 Jan 2017, 04:53

6
ER
 In a certain game there are 8 steps, referred to as step 1,
avohden

8

3005

04 Dec 2018, 09:03

6
ER
 For all nonnegative integers a, b, and c, the function G is defined by
Bunuel

4

1308

31 Mar 2018, 10:28

6
ER
 On his daily commute Bill always crosses a certain toll bridge
PP777

5

624

17 Jun 2018, 19:34

6
ER
 Which of the following expressions CANNOT be equal to 0 when x^2 − 2x
Bunuel

4

5021

03 May 2018, 08:59

6
ER
 X, Y and Z are consecutive numbers (X>Y>Z). X +2Y +3Z = 5Y + 4. What
Bunuel

6

1917

06 Mar 2019, 03:46

6
ER
 The sum of five integers is 999, while the sum of their squares is X.
prince00113

5

569

01 Feb 2018, 22:58

6
ER
 Claudio wants to be well prepared for a long marathon that will occur
fskilnik

1

356

12 Mar 2019, 15:13

6
 In a specific day, 15% shirts in a production facility are defective w
DisciplinedPrep

3

308

29 Jul 2019, 06:31

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

2

221

23 Sep 2019, 18:29

6
ER
 Susan marks-off a 2-meter cloth into multiples of three and five. She
btrg

4

497

27 Apr 2019, 21:22

6
ER
 The mean weight of 12 packages a retailer needs to ship on Monday is 1
LeenaSai

3

270

24 Aug 2019, 09:44

6
ER
 What is the difference between the maximum and the minimum value of x/
Bunuel

8

1119

04 Oct 2018, 12:21

6
ER
 If 3 miles are equivalent to 4.83 kilometers, then 11.27 kilometers ar
Bunuel

5

1843

23 Aug 2019, 11:39

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

4

457

01 Apr 2019, 03:56

6
ER
 If xy≠0, and √x−y=√x−√y, which of the following must be
GMATPrepNow

5

326

29 Sep 2019, 23:25

6
 In a particular examination, the maximum marks that can be scored
souvonik2k

2

661

12 Mar 2018, 00:34

6
ER
 If M, N are integers greater than 1 such that 2M
fskilnik

5

472

19 Feb 2019, 07:40

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