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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

4280

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

8240

12 Oct 2019, 01:31

Announcements

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

12

100993

29 Jul 2019, 07:22

1906
ER
 GMAT PS Question Directory by Topic & Difficulty
bb

0

740130

22 Feb 2012, 11:27

Topics

37
ER
 J = x rounded to the nearest TENTH, and K = x
GMATPrepNow

7

1425

04 Aug 2019, 00:58

37
ER
 If (n-2)! = (n! + (n-1)!)/99, and n is a positive integer, then n=?
gettinit

15

4455

07 Sep 2018, 11:44

37
ER
 If [z] denotes the least integer greater
EgmatQuantExpert

8

2270

03 Aug 2019, 13:20

37
ER
 If the quantity 5^2 + 5^4 + 5^6 is written as (a + b)(a – b), in which
Bunuel

8

2248

03 Dec 2018, 23:18

36
ER
 The sum of m consecutive integers is 8. If the sum of n consecutive in
Bunuel

9

1884

05 Sep 2019, 10:15

36
ER
 If function f(x) = x² + 2bx + 4, then for any b, f(x) is the least whe
Nipungautam23

5

4012

25 Mar 2019, 21:37

36
ER
 If x is a positive integer greater than 1, what is the sum of the mult
Bunuel

9

2834

25 Apr 2019, 16:10

35
ER
 A bucket contains a mixture of two liquids A & B
jackfr2

11

6176

22 Oct 2018, 04:29

35
ER
 What is the sum of all unique solutions for x^2+6x+9=|x+3| ?
Bunuel

15

4293

13 Jul 2019, 14:56

35
 If x and y are positive numbers such that x^y = y^x and y=9x, then the
manpreetsingh86

5

2219

31 Jul 2018, 11:49

35
ER
 If f(x)=x^2/b^2 + 2x + 4, then for each non-zero value of b
Revenge2013

9

3020

22 Apr 2018, 05:53

35
ER
 x and y are positive integers such that x < y. If
Lucky2783

8

9446

25 Nov 2018, 09:51

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

5

995

23 Jul 2019, 08:12

34
ER
 [24+ 5(23)^1/2)]^1/2 + [24- 5(23)^1/2)]^1/2 lies between:
mneeti

17

7088

19 Jul 2019, 06:20

34
ER
 If a/b = 1/3, b/c = 2, c/d = 1/2, d/e = 3 and e/f = 1/4, the
gmatacequants

9

19939

18 Feb 2019, 07:08

34
ER
 3(4^5+4^6+4^7+4^8+4^9+4^10)/(2^5+2^6+2^7+2^8+2^9+2^10)
alinomoto

10

4910

14 Sep 2016, 03:45

34
 The table above shows the discount structure for advanced purchase of
mrsmarthi

10

6541

04 Feb 2019, 19:38

34
ER
 If 100cm = 1 meter, then what is the value of 100 cm square
saurabhgoel

15

14388

12 Mar 2019, 15:21

34
ER
 Find the product of the roots of the equation y
Gnpth

9

2823

23 Oct 2017, 13:28

34
ER
 If x^2 + 9/x^2 = 31, what is the value of x - 3/x?
maxx1234

14

4956

22 Mar 2019, 10:42

34
ER
 In 2008, a certain factory produced 30% more widgets
joylive

10

6223

22 Dec 2018, 23:35

34
ER
 If 3x – 2y – z = 32 + z and √(3x) - √(2y + 2z) = 4, what is the value
Bunuel

5

6566

19 Apr 2019, 19:42

34
ER
 If x and y are positive numbers such that x + y = 2, then which of the
EgmatQuantExpert

18

1923

17 Dec 2018, 06:45

34
ER
 Robin mixes two liquids, one blue in colour and other red in
alphonsa

9

3022

03 Mar 2019, 05:31

33
 If k is an integer and 33!/22! is divisible by 6^k   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Arithmetic,  Source: Manhattan GMAT
daviesj

23

5226

06 Jul 2018, 01:20

33
ER
 List M consists of 50 decimals, each of which has a value between
souvik101990

7

2307

11 Oct 2019, 07:58

33
ER
 A certain calculating machine has only three operation butto
anon1

14

2867

12 Jan 2019, 16:40

33
ER
 What is the value of ((a + b^(1/2))(1/2) + (a - b^(1/2))(1/2))^2, when
AbdurRakib

11

6512

24 Apr 2019, 00:23

33
ER
 If x^1+x^(−1)=5, what is the value of x^4+x^(−4)?
Bunuel

8

3529

20 Sep 2019, 07:00

33
ER
 If 27^(4x + 2) 162^-2x 36^x 9^(6 2x) = 1, then what is
xALIx

16

16781

21 Jul 2018, 23:31

32
ER
 Which of the following equation has 3 + 2*3^(1/2) as one of its roots
EgmatQuantExpert

13

1601

31 Jul 2019, 09:31

32
ER
 If x/(x+y) = n, and x/(x-y) = m, then x/y = ? (|x| does not
MrWallSt

11

5908

08 Oct 2018, 02:48

32
ER
 If a, b, and c are different nonnegative digits, which of
monsoon1

6

3866

03 Aug 2019, 14:21

32
ER
 What is the tenths digit of the quotient when thirty-five hundredths
Bunuel

9

1658

27 May 2019, 05:44

32
ER
 What is the sum of all the 4 digit numbers formed by digits 2,3,4,5?
fitzpratik

15

1942

12 Jun 2019, 02:29

32
ER
 A merchant paid \$300 for a shipment of x identical calculators. The
boomtangboy

9

9884

21 Sep 2019, 06:09

32
ER
 Let abc and dcb represent three-digit positive integers.
gmat6nplus1

8

3115

23 Apr 2018, 12:25

32
ER
 225, or 15^2, is the first perfect square that begins with
Vijayeta

6

4620

16 Jul 2019, 10:26

32
 (1+ (3)^1/3) (2+(3^1/2))^1/2?
roastedchips

7

1712

02 Mar 2019, 13:17

32
 How many different 3-digit integers have exactly two d
chondro48

12

1024

13 Sep 2019, 02:14

32
ER
 If x and y are positive integers and 1/x + 1/y = 1/9, what is
rakibgmat

5

2496

20 Feb 2019, 15:01

31
ER
 The sum of the digits of 10^x−1 is equal to 3^8. What is the value of
Bunuel

6

2022

22 Jun 2018, 11:33

31
ER
 A rectangular field with width x is marked with paint
parthjain68

6

1124

14 Jun 2019, 04:49

31
 Of the following, which best approximates:
HKD1710

4

1325

03 Feb 2019, 09:27

31
ER
 Set J consists of 18 consecutive even numbers. If the smallest term in

8

3836

26 Sep 2018, 09:38

31
ER
 Shawna and Jia worked together to paint a house. Combined they worked
dabaobao

11

1825

24 Oct 2018, 17:04

31
ER
 In a game of Numberball, teams can score in increments of 3, 4, or 7
Newman2019

5

1739

15 Aug 2019, 00:00

31
ER
 If 5 dollars and 35 crowns is equivalent to 7 pounds, and 4
abhi758

5

7828

08 Oct 2018, 06:34

31
ER
 In the formula above, a, b, c, and d are positive numbers.
carcass

9

2625

28 May 2019, 18:06

31
ER
 If f(x) = 3x^2 - tx + 5 is tangents to x-axis, what is the value of a
fattty

7

2456

19 Mar 2019, 23:53

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