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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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726

05 Jun 2019, 07:31

Forum Experts

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

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3096

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

6145

16 Jun 2019, 23:00

Announcements

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

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95033

11 Jul 2019, 10:17

1815
ER
 GMAT PS Question Directory by Topic & Difficulty
bb

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708371

22 Feb 2012, 11:27

Topics

12
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 If (49-x^2)^(1/2)-(25-x^2)^(1/2)=3. What is the value of (49-x^2)^(1/2
Bunuel

3

450

29 Jun 2019, 05:13

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

3

247

28 Jun 2019, 23:14

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

5

1377

28 Jun 2019, 23:02

11
 1(1!) + 2(2!) + 3(3!) + 4(4!)………….50(50!) is a multiple of prime P
utkarshg97

2

228

28 Jun 2019, 19:08

49
ER
 A set S = { x, -8, -5, -4, 4, 6, 9, y } with elements arrang
vtran

12

4491

28 Jun 2019, 02:57

4
 IF P = 9^{1/2} - 9^{1/3} - 9^{1/4}, then P is:
Mahmoudfawzy83

10

588

27 Jun 2019, 12:58

10
ER
 If x,y and z are positive numbers and y<100, then the number obtained
manpreetsingh86

3

1855

27 Jun 2019, 05:48

37
ER
 Z is the set of the first n positive odd numbers, where n is
Smita04

8

5064

26 Jun 2019, 17:51

184
ER
 N and M are each 3-digit integers. Each of the numbers 1, 2,
nobelgirl777

23

18379

26 Jun 2019, 15:55

170
ER
 The sum of all the digits of the positive integer q is equal   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Arithmetic,  Exponents/Powers,  Source: Manhattan GMAT
enigma123

22

22106

26 Jun 2019, 10:52

5
ER
 If 2 + √3 is one root of the equation, [m]x^2 - ax + b = 0[/m], ......
EgmatQuantExpert

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339

26 Jun 2019, 04:53

66
ER
 A manufacturer produces a certain men's athletic shoe in   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Algebra,  Sequences,  Word Problems,  Source: Manhattan GMAT
KAS1

20

11340

25 Jun 2019, 20:42

135
ER
 For how many ordered pairs (x , y) that are solutions of the
Bunuel

10

10786

25 Jun 2019, 02:50

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

3

217

23 Jun 2019, 18:28

2
 Given that a+b+c+d=16, where a,b and c are positive integers and 'd' i
nick1816

3

166

22 Jun 2019, 21:12

40
ER
 The number of straight line miles traveled downriver in one
danzig

5

5381

22 Jun 2019, 09:25

36
ER
 Andy takes sqrt(x) hours to till x acres of land whereas
TeamGMATIFY

7

2095

22 Jun 2019, 01:21

26
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 In the addition problem ADD + ADD + ADD = SUMS, each of A, D, S, U, an
Bunuel

6

2799

21 Jun 2019, 11:36

13
 If x and y are integers and 7x−7x−2=3∗14y, what is the value of x?
hazelnut

4

1957

21 Jun 2019, 05:39

57
ER
 If |x–1|<4, so:
vitorpteixeira

16

3637

21 Jun 2019, 05:31

6
 A person buys some apples and mangoes from the market. The cost price
TarunTilokani

4

387

20 Jun 2019, 13:11

8
 There are two packets – x and y. ‘x’ contains only 25 cents coins and
nick1816

3

253

20 Jun 2019, 13:03

43
ER
 Which of the following represents all the possible values of
perseverant

17

7674

20 Jun 2019, 11:39

21
ER
 If 0 < a < b < c < d and y = (x^2 - ax - bx + ab)(x^2 - cx - dx + cd),
Bunuel

6

970

20 Jun 2019, 11:08

96
ER
 Given that a, b, c, and d are different nonzero digits and that 10d +
enigma123

17

11015

20 Jun 2019, 03:17

ER
 Which of the following is the closest approximation to
Bunuel

3

225

19 Jun 2019, 18:37

106
ER
 The product of two negative numbers is 160. If the lesser of the two
Bunuel

25

15006

19 Jun 2019, 10:18

10
ER
 If x, y and z are three different non-negative integers, which of the
GMATPrepNow

4

417

17 Jun 2019, 12:17

118
ER
 A certain quantity is measured on two different scales, the
appy001

17

8384

16 Jun 2019, 10:03

23
ER
 If 20/5 = 1/2^m + 1/2^n what is nm ?
Pdirienzo

10

1100

15 Jun 2019, 11:07

5
ER
 Solve for x: (4x)^(1/2) – 5^(1/2) = 3^(1/2)
Rajat1998

6

429

14 Jun 2019, 07:08

29
ER
 A rectangular field with width x is marked with paint
parthjain68

6

1036

14 Jun 2019, 04:49

47
ER
 If x is positive and not equal to 1, then the product of x^(1/n) for a
Bunuel

6

2700

14 Jun 2019, 02:48

25
ER
 A palindrome is a number that reads the same backward or forward, for
gracie

8

1915

14 Jun 2019, 00:11

12
 Mary and three other students took a math test. Each of their scores w
nick1816

3

486

12 Jun 2019, 15:07

20
ER
 If b/(a-c)=(a+b)/c = a/b for three positive number a,b and c, all diff
manpreetsingh86

9

2838

12 Jun 2019, 03:47

31
ER
 What is the sum of all the 4 digit numbers formed by digits 2,3,4,5?
fitzpratik

15

1753

12 Jun 2019, 02:29

47
ER
 For any numbers a and b, a#b=a + b - ab. If a#b=0, which of
Stiv

15

13325

11 Jun 2019, 20:23

22
ER
 If (-20) + (-19) + (-18) + (-17) + . . .
GMATPrepNow

4

920

11 Jun 2019, 09:52

38
ER
 A quadratic equation is in the form of x^2–2px + m = 0, where m is
kiran120680

15

1009

10 Jun 2019, 07:12

7
 Find the value of x3 + 8y3 + z3 in terms of x, y and z if x
Rajat1998

4

332

09 Jun 2019, 21:58

50
ER
 If 6x=8y=14z, then what is a possible sum of positive integers x, y, a
Bunuel

6

5328

09 Jun 2019, 14:25

1149
ER
 Last Sunday a certain store sold copies of Newspaper A for
udaymathapati

45

74731

09 Jun 2019, 05:25

685
ER
 New Algebra Set!!!   Go to page: 1 ... 6, 7, 8 Tags: Difficulty: 700-Level,  Algebra,  Sequences,  Source: GMAT Club Tests
Bunuel

144

191956

08 Jun 2019, 10:04

4
ER
 Which of the following could be the value of x + y, if both (x + 1/5)
Bunuel

4

329

07 Jun 2019, 06:07

2
ER
 If the ratio of 2a to b is 8 times the ratio of b to a, then b/a could
Bunuel

3

275

06 Jun 2019, 21:37

65
ER
 A certain business produced x rakes each month form November
udaymathapati

14

19081

06 Jun 2019, 18:09

62
ER
 If it is 6:27 in the evening on a certain day, what time in

11

4448

06 Jun 2019, 14:10

43
ER
 If a, b are integers, and (a-b)^2 + 8b^2=108, what is the number of th
Amby02

6

2968

05 Jun 2019, 05:26

11
ER
 If x-5=√x+√5 , which of followings is true?
MathRevolution

3

1015

05 Jun 2019, 01:59

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