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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

4215

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

8127

12 Oct 2019, 01:31

Announcements

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

12

100703

29 Jul 2019, 07:22

1899
ER
 GMAT PS Question Directory by Topic & Difficulty
bb

0

738375

22 Feb 2012, 11:27

Topics

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

5

527

01 Apr 2019, 06:25

4
 If 0
rohan2345

1

179

21 May 2019, 03:08

4
 The difference between two reversed 2-digit positive integers is a per
gracie

2

252

22 Jul 2019, 13:51

4
ER
 Erina has a bag that starts with 50 marbles in it: 10 green marbles
Xin Cho

1

214

13 Sep 2019, 14:13

4
ER
 a and b are two numbers such that 2a^4 -4ab + b^2 + 2 = 0...
lucajava

2

271

21 Apr 2019, 13:18

4
ER
 Ken wants to ship abroad 16 cubic meters of fine fabric. Shi
superpus07

3

2496

27 Feb 2018, 04:06

4
ER
 If a/b
mangamma

1

296

25 Apr 2019, 22:42

4
ER
 Which of the following is the closest approximation to
Bunuel

4

470

07 Aug 2019, 22:49

4
ER
 The square root of the product of the positive integers a and b is 14,
Bunuel

5

673

09 May 2018, 10:37

4
 A bank transfers sum of money to Mr. Cathrall...
Nikhilaery

5

638

26 May 2019, 05:15

4
 How many reversed two digit pairs are there such that three xy is x+y
gracie

1

238

16 Jan 2019, 22:22

4
ER
 A survey asked 1,150 people to choose their favorite laundry detergent
Bunuel

3

483

28 May 2019, 06:52

4
ER
 A wheel of a car of radius 21 cms is rotating at 600 RPM. What is the
Bunuel

2

4935

28 Oct 2018, 13:38

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

2

311

24 Sep 2019, 00:50

4
ER
 A company has 540 employees, 40% of whom are employed part time. If it
Atrain13gm

10

5747

21 Dec 2018, 16:12

4
ER
 x,y,z are consecutive integers (x
trankimphuong

7

616

03 Oct 2018, 00:10

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

3

351

22 Mar 2019, 09:26

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

9

437

27 May 2019, 18:33

4
 The total value of the coins in a piggy bank is 1 dollar.
rohan2345

2

408

09 Mar 2019, 19:46

4
ER
 A certain series of numbers has 15 terms in total. The first term of
EgmatQuantExpert

2

462

20 May 2019, 04:03

4
ER
 If x and y are integers each with absolute value less than 5 and 7x -
Bunuel

6

1160

05 Mar 2018, 19:13

4
ER
 If f(x) = (x - 1)^2 + 3, which of the following is true for all x?
Bunuel

4

950

20 Oct 2018, 20:49

4
ER
 If a,b and c are in arithmetic progression, then (a+b)

7

775

25 Dec 2018, 08:47

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

3

274

07 Apr 2019, 18:43

4
ER
 If 4s - 3t = 10 where s and t are integers, which of the following can
Bunuel

1

268

25 Jun 2019, 02:13

4
ER
 As x increases from 141 to 142, which of the following increases?
reto

3

1717

18 Aug 2019, 08:21

4
ER
 Which of the following are roots of an equation 10x^{-2}+x^{-1}-21=0
MathRevolution

3

425

11 Nov 2018, 23:06

4
ER
 If x - 7 = √x + √7 , x = ?
MathRevolution

6

1078

29 Aug 2017, 23:37

4
 If a^1/2 > b > c^2, which of the following could be true?

1

467

19 Oct 2018, 13:10

4
 One night Bran had a dream in which he grew a constant amount each hou
gmatbusters

4

814

20 Oct 2018, 11:42

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

4
 Mike visits his childhood friend Alan at a regular interval of 4 month
axezcole

2

243

08 May 2019, 12:12

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
ER
 Which of the following is equal to
MathRevolution

4

794

18 Jan 2018, 08:44

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

10

684

27 Jun 2019, 12:58

4
ER
 If M and N are non-zero integers and M > N, then which of the
EMPOWERgmatRichC

4

275

06 Oct 2019, 21:05

5
ER
 On a map, 1.5 inches represent 24 miles. How many miles approximately
Bunuel

4

1938

04 Nov 2018, 23:26

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

6

968

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

535

18 Aug 2019, 09:02

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

2

692

10 Feb 2019, 08:57

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

3

554

09 Oct 2019, 12:09

5
 If the square of the sum of the roots of a quadratic equation
PrepTap

3

3135

22 Feb 2018, 13:11

5
 How many different pairs of positive integers (a, b) satisfy equation?
susheelh

7

1706

05 Jul 2016, 10:23

5
ER
 If 100<= x <=200, then how many Integer values of x are even multiples
GMATinsight

6

1231

10 Jun 2017, 20:03

5
ER
 A circular microchip with a radius of 2 centimeters is manufactured fo
Bunuel

2

326

05 Dec 2018, 09:06

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

6

659

20 Mar 2019, 09:20

5
ER
 For any numbers W and Z, W•Z=Wˆ3 * Z(8-Wˆ2)
sara86

7

1873

30 Sep 2018, 12:10

5
ER
 x = y - (50/y), where x and y are both > 0 If the value of y is doubl
Bunuel

3

3591

04 Oct 2018, 19:33

5
ER
 149 is a 3-digit positive integer, product of whose digits is 1x4x9
sj296

4

270

14 Sep 2019, 07:41

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