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# GMAT Problem Solving (PS)

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189
 150 Hardest and easiest questions for PS
Bunuel

7

34391

11 Sep 2016, 02:25

944
 GMAT PS Question Directory by Topic & Difficulty
bb

0

353950

22 Feb 2012, 10:27

Topics

77
 Denise is trying to open a safe whose combination she does   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Combinations,  Probability
sacmanitin

23

11491

13 Nov 2016, 11:30

1
 Each day after an item is lost the probability of finding th   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Poor Quality
gmatpapa

23

2979

13 May 2013, 04:31

34
 When positive integer x is divided by 5, the remainder is 3;   Go to page: 1, 2 Tags: Difficulty: Sub-600 Level,  Remainders
marcodonzelli

23

13324

08 Jan 2017, 15:45

31
 In the figure above, equilateral triangle ABC is inscribed   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Geometry,  Source: GMAT Prep
ulm

23

15342

15 Apr 2016, 09:41

38
 Some of 50%-intensity red paint is replaced with 25%   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Mixture Problems
Amit05

23

9956

19 Nov 2015, 15:21

107
 If x is an integer then x(x-1)(x-k) must be evenly divisible
enigma123

23

11447

25 Jan 2017, 08:02

95
 Right triangle PQR is to be constructed in the xy-plane so
gmatJP

23

11552

07 Jan 2017, 14:19

23
 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

3471

22 Nov 2016, 02:39

74
 A vending machine is designed to dispense 8 ounces of coffee   Go to page: 1, 2 Tags: Difficulty: Sub-600 Level,  Statistics and Sets Problems,  Source: GMAT Prep
zz0vlb

23

25543

23 Jul 2016, 02:18

40
 If |a+b|=|a-b|, then a*b must be equal to:   Go to page: 1, 2 Tags: Difficulty: Sub-600 Level,  Absolute Values/Modules,  Algebra,  Source: Kaplan
SergeNew

23

6538

27 Jan 2016, 06:56

15
 A local bank that has 15 branches uses a two-digit code to   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Combinations,  Source: 800 Score,  Source: Grockit
zest4mba

23

5489

22 Dec 2016, 11:48

139
 It takes 6 technicians a total of 10 hours to build and   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Work/Rate Problems
Hussain15

23

14658

08 Feb 2017, 18:44

105
 The number of stamps that Kaye and Alberto had were in the
kilukilam

23

22604

11 Oct 2016, 15:01

47
 Judges will select 5 finalists from the 7 contestant   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Combinations
christoph

23

8630

19 Aug 2016, 10:51

46
 How many integers less than 100 have exactly 4 odd factors b   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Divisibility/Multiples/Factors,  Number Properties
efet

23

6189

16 Jan 2017, 08:45

39
 In a certain game, a large bag is filled with blue, green   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Number Properties,  Source: Manhattan GMAT
enigma123

23

11089

15 Oct 2016, 17:09

51
 There are 9 people in the room. There are two pairs of   Go to page: 1, 2 Tags: Difficulty: Sub-600 Level,  Probability
bmwhype2

24

9614

21 Jun 2016, 00:12

38
 A box contains 3 yellow balls and 5 black balls. One by one   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Probability
tejal777

24

13497

04 Nov 2015, 20:09

7
 For a finite sequence of non zero numbers, the number of   Go to page: 1, 2 Tags: Difficulty: Sub-600 Level,  Sequences,  Source: GMAT Prep
nisha_qutu

24

9694

02 Jul 2016, 10:10

20
 If xy = 1, what is the value of 2^(x + y)^2/2^(x-y)^2?   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Algebra,  Exponents/Powers,  Source: GMAT Prep
tonebeeze

24

8243

05 Dec 2016, 00:30

37
 In the figure above, the radius of circle with center O is 1   Go to page: 1, 2 Tags: Difficulty: Sub-600 Level,  Geometry,  Source: GMAT Prep
over2u

24

28214

11 Feb 2017, 10:40

27
 There are four distinct pairs of brothers and sisters. In how many way   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Combinations
bmwhype2

24

9912

14 Aug 2016, 04:44

149
 Three grades of milk are 1 percent, 2 percent and 3 percent   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Mixture Problems,  Source: GMAT Prep
JimmyWorld

24

33178

02 Feb 2017, 22:56

23
 If 5^21 * 4^11 = 2 * 10^n, what is the value of n?   Go to page: 1, 2 Tags: Difficulty: Sub-600 Level,  Exponents/Powers,  Source: GMAT Prep
Yalephd

24

9131

28 Aug 2016, 05:38

47
 If P + |k| > |P| + k then which of the following is true of Inqual   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Absolute Values/Modules,  Inequalities
sunny3011

24

4211

30 Nov 2016, 17:55

121
 How many multiples of 4 are there between 12 and 96   Go to page: 1, 2 Tags: Difficulty: Sub-600 Level,  Divisibility/Multiples/Factors
marcusaurelius

24

35228

20 Jan 2017, 03:14

26
 Math Revolution and GMAT Club Contest! If the greatest common divisor
Bunuel

24

1546

20 Dec 2015, 09:47

100
 When positive integer n is divided by 5, the remainder is 1   Go to page: 1, 2 Tags: Difficulty: Sub-600 Level,  Remainders,  Source: GMAT Prep
Pedros

24

53662

24 Jun 2014, 02:55

38
 Jug contains water and orange juice in the ratio 5:7 . anoth   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Mixture Problems
rxs0005

24

6802

16 Sep 2016, 19:29

77
 A dessert recipe calls for 50% melted chocolate and 50% rasp   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Mixture Problems,  Source: Veritas Prep
vaishnogmat

24

7509

22 May 2016, 21:15

32
 For a finite sequence of non zero numbers, the number of   Go to page: 1, 2 Tags: Difficulty: Sub-600 Level,  Sequences,  Source: GMAT Prep
TomB

24

17625

18 Jan 2016, 15:06

10
 As part of a game, four people each must secretly choose an   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Probability
Financier

24

4457

05 Jan 2016, 10:52

27
 Regular hexagon ABCDEF has a perimeter of 36. O is the cente   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Geometry,  Source: Manhattan GMAT
gmatjon

24

11169

22 Oct 2016, 00:39

31
 Miguel is mixing up a salad dressing. Regardless of the numb
tejal777

24

19426

18 Apr 2014, 13:17

31
 A mixed doubles tennis game is to be played between two team   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Combinations
Spaniard

24

10995

14 Sep 2016, 17:51

37
 A certain company assigns employees to offices in such a way   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Combinations,  Source: GMAT Prep EP2
sagarsabnis

24

8202

21 Dec 2016, 09:09

27
 Karen has exactly 6 quarters, 5 dimes, and 10 nickels in her pocket.   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Probability,  Source: Manhattan GMAT
Professor

24

3052

30 Jan 2017, 08:48

63
 John and Mary were each paid x dollars in advance to do a   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Word Problems,  Source: Official Guide
Walkabout

24

9327

04 May 2016, 08:42

42
 Two trains run in opposite directions on a circular track.   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Distance/Rate Problems,  Source: Kaplan
alex1233

24

8976

19 Jan 2016, 05:17

110
 If the probability that Stock A will increase in value   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Probability,  Source: GMAT Prep EP1
Baten80

24

19365

20 Dec 2016, 18:45

62
 Rodrick mixes a martini that has a volume of 'n' ounces havi   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Mixture Problems,  Percents and Interest Problems
gaurav05nov

24

20779

25 Sep 2016, 10:21

63
 A straight pipe 1 yard in length was marked off in fourths   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Fractions/Ratios/Decimals,  Source: Official Guide
Walkabout

24

13279

27 Jan 2017, 06:05

52
 If x>0 then 1/[(root(2x)+root(x)]=?   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Algebra,  Fractions/Ratios/Decimals,  Roots
ajit257

24

11096

07 Nov 2016, 15:43

98
 A border of uniform width is placed around a rectangular   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Geometry,  Source: Official Guide
Walkabout

24

30596

18 Aug 2016, 09:17

47
 At a certain hospital, 75% of the interns receive fewer than   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Overlapping Sets,  Source: Manhattan GMAT
gmatpapa

24

16924

19 Jun 2016, 14:51

78
 Two couples and one single person are seated at random in a   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Combinations,  Probability
arnaudl

24

15570

29 Aug 2016, 05:19

38
 Each of four different locks has a matching key. The keys   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Combinations,  Probability
gurpreetsingh

24

8324

26 Mar 2016, 16:51

45
 E is a collection of four ODD integers and the greatest   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Statistics and Sets Problems
nusmavrik

24

7815

06 Feb 2017, 10:53

52
 Figures X and Y above show how eight identical triangular pieces of ca   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Geometry,  Source: Official Guide
Bunuel

24

6300

13 Oct 2016, 01:26

4
 What is the minimum value of z for which z^2 + z - 3/4 > 0 is not true   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Inequalities,  Source: Kaplan
cdaat

24

3606

06 May 2016, 21:06

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