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# Problem Solving (PS)

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279
ER
 150 Hardest and easiest questions for PS
Bunuel

8

52238

11 Sep 2017, 05:31

1262
ER
 GMAT PS Question Directory by Topic & Difficulty
bb

0

474245

22 Feb 2012, 11:27

Topics

21
ER
 The product of all the prime numbers less than 20 is closest
monikaleoster

10

11722

24 Jan 2016, 03:31

21
ER
 Of the land owned by a farmer, 90 percent was cleared for planting. Of
Bunuel

12

5686

22 Dec 2016, 14:37

21
ER
 If x, y, and z are negative integers and 3x - 3y = -3z, then
aiming4mba

11

3710

23 Sep 2017, 07:33

21
ER
 For all positive integers n and m, the function A(n) equals the follow
Bunuel

7

2160

11 Nov 2016, 21:22

21
ER
 Today Rebecca, who is 34 years old, and her daughter, who is 8 years
Bunuel

8

6400

19 Sep 2017, 15:46

21
ER
 Two vessels having volumes in the ratio 3:5 are filled with
abid1986

14

3171

02 Jul 2017, 12:00

21
ER
 The temperature of a certain cup of coffee 10 minutes after
kilukilam

8

5316

08 Oct 2017, 12:13

21
ER
 If x and y are numbers such that (x + 11) (y – 11) = 0, what is the sm
Bunuel

11

1942

21 Apr 2017, 10:11

21
ER
 A ranch has both horses and ponies. Exactly 5/6 of the
piyushksharma

15

5058

27 Nov 2016, 19:46

21
ER
 Two machines, Y and Z, work at constant rates producing identical item
umg4147

5

3602

05 Sep 2017, 08:24

21
ER
 Let abc and dcb represent three-digit positive integers.
gmat6nplus1

9

2205

18 Mar 2017, 09:41

21
ER
 What is the last two digits of 11^(23)*3^(46)?
LM

6

4625

19 Sep 2016, 17:20

21
 During the 31-day month of May, a tuxedo shop rents a different number
amatya

9

4648

06 Sep 2017, 03:01

21
ER
 Four terms in arithmetic progression have sum of 28. Product

9

5239

01 Jan 2017, 20:03

21
ER
 Sarah invested \$38,700 in an account that paid 6.2% annual
enigma123

11

4096

07 May 2017, 13:37

21
ER
 If a right triangle has area 28 and hypotenuse 12, what is   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Geometry,  Source: Veritas Prep
Hussain15

20

9188

02 Oct 2016, 05:23

21
ER
 One-sixth of the attendees at a certain convention are
sm0k3rz

13

9526

12 Jul 2017, 17:13

21
ER
 If the variables, X, Y, and Z take on only the values 10, 20
Bunuel

9

5324

22 Mar 2017, 15:52

21
ER
 The average of a set of five distinct integers is 300.
WoundedTiger

12

3438

23 Feb 2017, 10:27

21
ER
 If mn ≠ 0 and 25 percent of n equals 37(1/2) percent of m, what is the
AbdurRakib

9

5170

02 Oct 2017, 09:01

21
ER
 According to a survey, at least 70% of people like apples, a
rampuria

15

12126

27 Nov 2015, 23:43

21
ER
 The interior of a rectangular carton is designed by a certain manufact
Economist

3

10693

19 Jan 2015, 01:37

21
ER
 If -13 < 7a + 1 < 29 and 19 < 2 - b < 23, what is the
derek123

15

2671

09 Jul 2017, 05:42

21
ER
 Machine M can produce x units in 3/4 of the time it takes machine N to
vscid

12

3050

05 Feb 2017, 06:20

21
ER
 The greatest common factor of 16 and the positive integer n
krishan

13

11440

19 Apr 2014, 08:26

21
ER
 The sum of the first 50 positive even integers is 2550. What
enigma123

14

12036

01 Jul 2017, 15:20

21
ER
 The function f is defined by f(x) = - 1/x for all nonzero nu
ajit257

10

7143

18 Jul 2017, 19:49

21
 Operation F means “take the square root,” operation G means
emmak

12

2257

17 Aug 2017, 23:25

21
ER
 A certain deck of cards contains 2 blue cards, 2 red cards
Joy111

11

5627

02 Nov 2015, 05:03

21
ER
 The mean of four integers will not change if all the integer
arjtryarjtry

15

5410

04 Dec 2016, 06:31

21
ER
 Machine A produces bolts at a uniform rate of 120 every 40

9

15845

17 Oct 2017, 02:36

21
ER
 The points A(0, 0), B(0, 4a - 5) and C(2a + 1, 2a + 6) form a triangle
Bunuel

5

4231

09 Jun 2017, 16:56

21
ER
 In Goshawk-Eurasian nature reserve 30 percent of the birds
bagdbmba

13

2396

09 Sep 2017, 01:56

21
ER
 A glucose solution contains 15 grams of glucose per 100
Bunuel

13

11411

12 Jul 2017, 00:40

21
ER
 If x is an even integer, which of the following must be an
slsu

14

22206

01 Apr 2016, 01:46

21
ER
 If 42.42 = k(14 + m/50), where k and m are positive integers and m < 5
Bunuel

7

1972

28 Jul 2017, 22:54

21
ER
 A certain multiple-choice math quiz contains five questions, each with
Bunuel

5

3300

15 May 2017, 01:39

21
ER
 In how many different ways can the letters of the word "CORPORATION"
usre123

8

2878

26 Jul 2017, 21:03

21
ER
 A certain company plans to sell Product X for p dollars per
verycoolguy33

9

4193

05 Apr 2017, 02:00

21
ER
 Circular Gears P and Q start rotating at the same time at   Go to page: 1, 2 Tags: Difficulty: Sub-600 Level,  Work/Rate Problems,  Source: GMAT Prep
desiguy

30

10771

21 Dec 2011, 11:17

21
ER
 When x is even, [x] = x/2 + 1, when x is odd [x] = 2x + 1 then [7]*[4]
Galiya

10

3909

02 Jul 2017, 04:52

21
ER
 On an aerial photograph, the surface of a pond appears as
M8

8

10391

21 Jul 2015, 02:42

21
ER
 Two vessels A and B contain milk and water mixed in the ratio 8:5 and
ruchi857

7

7826

14 Nov 2017, 07:08

22
ER
 When positive integer k is divided by 1869, the remainder is
shrive555

11

5802

07 May 2017, 07:14

22
ER
 A dealer offers a cash discount of 20%. Further, a customer bargains a
Patronus

11

2470

09 Sep 2016, 06:40

22
ER
 Mixture X contains 60% water and 40% chloride. If 120 gallon
grindcore

12

3777

10 Oct 2017, 11:35

22
 Two workers A and B are engaged to do a work. A working alone takes 8
Chemerical71

9

5357

28 Aug 2017, 19:17

22
ER
 In how many different ways can 3 identical green shirts and
shrive555

15

8868

29 Nov 2016, 16:28

22
 If x and y are positive numbers such that x^y = y^x and y=9x, then the
manpreetsingh86

6

1428

13 Jun 2017, 00:12

22
ER
 If x and y are both negative and xy < y^2, which of the
bulletpoint

15

4817

27 Aug 2017, 05:18

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