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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

4298

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

8263

12 Oct 2019, 01:31

Announcements

509
ER
 100 Hardest and easiest questions for PS as of September 2019
Bunuel

12

101081

29 Jul 2019, 07:22

1907
ER
 GMAT PS Question Directory by Topic & Difficulty
bb

0

740402

22 Feb 2012, 11:27

Topics

12
ER
 If 0 < x < 1 and y > 1, (√(x + y − 2√xy) + √(x + y + 2√xy) =
Bunuel

6

804

26 Sep 2019, 22:20

9
ER
 If ab = 20 –a^2*b^2, where both a and b are negative, then a^2 =
Arvind42

5

807

26 Aug 2019, 10:13

2
ER
 During a spring season, a certain glacier surged at the rate of 1/4
Bunuel

7

812

02 Jul 2017, 21:46

8
ER
 Suppose that |x + y| + |x -y| = 2. What is the maximum possible value
Bunuel

5

814

10 May 2019, 22:43

5
 One night Bran had a dream in which he grew a constant amount each hou
gmatbusters

4

817

20 Oct 2018, 11:42

21
ER
 If x^2+y^2=1 and ||x|-0.34|+0.66=y, how many values can x take?
Philipp98

12

817

29 Aug 2019, 23:13

15
ER
 In a certain theatre, there are 300 seats. When the price of a
souvonik2k

5

823

16 Jan 2018, 17:45

25
ER
 If 7(a – 1) = 17(b – 1), and a and b are both positive integers the pr
Bunuel

7

824

30 Nov 2018, 08:33

16
ER
 z and m are integers such that z > -7 and m > 3
GMATPrepNow

15

825

19 Jul 2019, 12:12

20
ER
 A quadratic equation ax^2+bx+c=0 has two integral roots x1 and
mangamma

9

827

30 May 2019, 02:07

18
ER
 Mary and three other students took a math test. Each of their scores w
nick1816

8

840

14 Aug 2019, 10:44

23
 Of the 3-digit positive integers greater than 600, how many
chondro48

10

852

02 Sep 2019, 05:26

8
 In a sequence of positive integers
stonecold

3

852

20 May 2017, 03:43

19
ER
 A customer came to a shop and asked manger to give 20% discount on lis
KSBGC

3

857

08 May 2019, 04:01

13
ER
 There are 108 positive integers. 50% of the integers have...
Kaczet

11

872

15 Jan 2019, 19:40

16
ER
 What is the 101st digit after the decimal point in the decimal represe
Bunuel

6

876

20 Feb 2019, 07:38

22
 What is the 21st digit of the decimal [
gmatbusters

7

880

18 Oct 2019, 07:36

25
 Find the number of solutions of following equation-: ||x|-6|=2^x
nick1816

6

882

14 Sep 2019, 05:54

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

2

883

04 Sep 2017, 01:15

12
ER
 How many different solutions the equation (x^4 - 1)/(x^2 - 1) = 2 have
robypeter

4

886

22 Aug 2019, 14:21

13
ER
 If x is a positive integer, how many values of x satisfy the..........
EgmatQuantExpert

7

887

02 Nov 2018, 08:38

14
ER
 A googol is the number that is written as 1 followed by 100 zeros. if
Bunuel

6

892

22 Aug 2019, 08:16

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

6

896

09 Aug 2018, 04:26

10
ER
 The square of the arithmetic mean of a sequence of consecutive positiv
gracie

3

896

15 Dec 2017, 14:35

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

3

901

02 Jun 2019, 22:04

14
ER
 A shopkeeper bought few oranges at 4 per dollar and an equal number of
doomedcat

6

911

25 May 2019, 09:27

9
ER
 xy and yx are a pair of two digit positive integers with reversed digi
gracie

3

915

05 Jan 2019, 21:14

18
ER
 If (a+b)^5 = a^5+x*a^4*b+y*a^3*b^2+z*a^2*b^3+t*a*b^4+b^5
broall

3

923

29 Nov 2017, 09:19

27
ER
 Question of the Week - 27 (q is a three-digit number, in which ......)
EgmatQuantExpert

7

928

19 Dec 2018, 07:44

7
ER
 Question of the Week- 18 (Sum of first 11 terms of an AP . . . . . )
EgmatQuantExpert

3

933

17 Oct 2018, 00:52

9
ER
 Which of the following is the closest to 11^59^5 – 2(10^5)?
MathRevolution

4

938

06 Mar 2019, 19:47

2
ER
 For positive integers x and y, xy is defined by xy=(x+y)/xy. If a, b
MathRevolution

7

940

19 Dec 2017, 11:12

20
ER
 If x, y and z are non-negative integers such that x < y < z,
GMATPrepNow

4

944

11 Oct 2019, 07:48

8
 Point P lies on the equation y= x^2 - 1 and Point Q lies on the equati
Arun1994

4

947

07 Jan 2019, 09:11

2
ER
 If x ≠ 0 and (−y^2 − xy)/x=y+x, which of the following expressions is
Bunuel

2

947

24 Sep 2018, 17:05

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

4

952

20 Oct 2018, 20:49

18
ER
 Suppose that a and b are nonzero real numbers, and that the equation x
Bunuel

11

953

13 Sep 2019, 06:42

10
ER
 A certain game requires players to collect both blue tokens, which are

3

955

08 Apr 2019, 21:08

11
 There are 2 circular cylinders X and Y, and both cylinders contain wat
gmatbusters

15

966

27 Oct 2018, 09:23

25
ER
 Joe is among N people in a group, where N > 3. If 3 people are randoml
GMATPrepNow

19

967

03 Jun 2019, 17:14

12
ER
 A department of motor vehicles asks visitors to draw numbered tickets
CAMANISHPARMAR

4

968

17 Dec 2018, 23:34

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

6

973

17 Jul 2018, 16:25

14
ER
 If x is negative and y is positive, what is 4x2−4xy+y2
PriyankaPalit7

6

974

03 Oct 2019, 15:58

20
ER
 Given a + 1 = b + 2 = c + 3 = d + 4 = a + b + c + d + 5, then what is
mangamma

10

976

22 Mar 2019, 09:14

27
ER
 M. Poirot and Miss Marple walk into a turned-off escalator to realize
fskilnik

6

976

31 Aug 2018, 09:09

15
ER
 If 2x/ (root(-3x^2 + 27)) is not a real number
KarthikMBA2019

6

980

18 Jul 2018, 19:56

9
 A motorcycle importer is planning on increasing the price of a....
CAMANISHPARMAR

2

981

24 Jun 2018, 08:03

6
 A straight rod 1 yard in length was first marked off in fourths, third
umg

3

983

20 May 2017, 03:29

7
ER
 If (a+b)^5= a^5+xa^4b+ya^3b^2+za^2b^3+tab^4+b^5 What is the value of x
div10

7

987

24 Aug 2019, 12:33

35
ER
 Last year Isabella took 7 math tests and received 7 different scores,

5

996

23 Jul 2019, 08:12

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