Formerly known as Shack's Math Problems
by Michael Shackleford, A.S.A.

1.Probability of n points in a semicircle problem
2.Snow plow problem
3.Cycloid problem
4.Ant and spider problem
5.Three wise men and mischievous boy problem
6.Two envelope problem
7.Volume of tetrahedron problem
8.Volume of octahedrom problem
9.Chicken McNugget problem
10.Four businesses on a circle problem
11.Coin toss problem #1
12.Three men, a bell boy, and a motel room problem
13.Wine and cigar problem
14.Four pints of beer problem
15.Three door problem
16.Two coins problem
17.Dartboard problem #1
18.Sideways tank of gas problem
19.Balls and an urn problem #1
20.Nine minute egg problem
21.License plates and a scale problem
22.Two brothers and a flock of x sheep
23.Fork in the road problem
24.Baby bottle problem
25.Guess the age problem
26.100 single women problem
27.Alley and two ladders problem
28.Furniture factory problem
29.Four dogs and a square problem
30.Two boats problem
31.Compound interest problem #1
32.A fence, board, and a shadow problem
33.Russian roulette problem
34.Drug test problem
35.Light bulb problem #1
36.Light bulb problem #2
37.Common birthday problem
38.Meeting at a restaurant problem
39.Zeros and ones problem
40.Land and sea race problem
41.Water flow and tank problem
42.Drunken walk problem #1
43.Wall and two houses problem
44.Coin toss problem #1
45.Surface area of Colorado problem
46.Coin toss problem #3
47.Height of pentagon problem
48.Volume of dodecahedrom problem
49.Compound interest problem #2
50.World series problem
51.Maximum volume of cone problem
52.Two children problem
53.Mean distance between two points in a square problem
54.Work or pleasure problem
55.Flying bird in the wind problem
56.Babies in the nursery problem
57.Chessboard problem #1
58.Chessboard problem #2
59.Two primes problem
60.Screw your neighbor problem
61.Coin toss problem #3
62.Probabilities in poker problem
63.Impossible to draw figure problem
64.Cardiod problem
65.Spirograph problem
66.Closest distance between two points on a sphere problem
67.Insurance in blackjack problem
68.Four weights and a scale problem
69.The Price is Right wheel problem #1
70.Lottery problem
71.Nine pearls and a scale problem
72.A jar and an amoeba problem
73.Free gift in the cereal box problem #1
74.Free gift in the cereal box problem #2
75.Gift exchange problem
76.Two bags and marble problem
77.Probability of gender problem
78.House painting problem
79.Three humans, three monkeys, and a boat problem
80.128 pennies and a blindfold problem
81.Military attack problem
82.Pass line bet problem
83.To confess or not confess problem
84.12 pearls and a scale problem
85.Five pirates and a 1000 coins problem
86.Compound interest problem #3
87.How far can the plane fly problem
88.Three Surgeons, Two Gloves, and a Patient
89.Pass line and odds problem
90.Mortgage payment problem
91.Keno problem
92.Trigonometry problem
93.Swimming pool dilution problem
94.Pothole problem
95.Four people, a bridge, and a flashlight problem
96.Three people, a bridge, and a bicycle problem
97.A dog, a chain, and a lighthouse problem
98.Five rectangles in a square problem
99.Camel and grain problem
100.Pythagorean problem
101.Three men and three questions problem
102.Dartboard problem #2
103.Create 24 with two 3s and two 7s
104.The Price is Right wheel problem #2
105.Parking cars problem
106.Three circles and a line problem
107.Create 24 with 1, 3, 4, and 6 problem
108.Five people, a pile of coconuts and a monkey problem #2
109.Two bags of M&Ms problem
110.Cable in the field problem
111.Four circles problem
112.Five socks problem
113.10,000 digits of e problem
114.Gold mining problem
115.Poissoned win problem
116.Roulette problem
117.Two incense sticks problem
118.13 pirates and a safe problem
119.Round table in a square room problem
120.Yahtzee problem
121.Wait for a 6 problem
122.Mouse and a cube of cheese problem
123.Height of a pentagon problem
124.Small town election problem
125.Clock problem
126.The Price is Right bidding problem
127.100 story building and a billiard ball problem
128.Coin toss problem #4
129.Sicherman dice problem
130.Cutting a pizza problem
131.Tiger and the lake problem
132.21 squares in a big square problem
133.Inheritance problem
134.Free trade problem
135.How much is that puppy problem
136.Two marble collections problem
137.Grave digging problem
138.SEND+MORE=MONEY problem
139.Roulette promotion problem
140.Toothpick problem
141.Dice game #1
142.Dice game #2
143.Dice game #3
144.Dice game #4
145.Dice game #5
146.Dice game #6
147.Expected number of random numbers, uniformally distributed from 0 to 1, needed for the sum to be greater than 1?
148.Four people, bridge, and flashlight problem
149.Burried treasure problem
150.ABCDE * 4 = EDCBA problem
151.Four mathematicians problem
152.Ant and spider on a piece of wood problem
153.Insurance company problem
154.Biased coin flipping problem #1
155.Biased coin flipping problem #2
156.Heat-seeking missle problem
157.Two boats problem
158.Final Jeopardy problem
159.Four couples on a deserted island problem
160.Paint mixing problem
161.Poker problem
162.Five pumpkins problem
163.Large tank with 10 outlets problem
164.Two courier pigeons problem
165.64-minute fuse problem
166.Miss America problem
167.Wagon wheel problem
168.Cows eating grass problem
169.Hungry spider problem
170.How old am I problem
171.How many ways to get from A to C problem
172.Late train problem
173.Three card problem
174.Dating service problem
175.Five ants on a pentagon problem
176.Roulette promotion problem
177.Picking apples problem
178.Serial number problem
179.Acceleration problem
180.Two switches problem #1
181.Two switches problem #2
182.Triangular field problem
183.Train station meeting problem
184.Coconuts and monkey problem #2
185.Stick and buz saw problem
186.Monty Hall problem
187.Marching soldiers problem
188.Infinite fraction problem
189.Circle and triangle problem
190.100 coin problem
191.Roulette problem
192.Rock/Paper problem
193.Rock/Paper/Scissors problem
194.Average of the lesser of two random numbers from 0 to 1?
195.Average of the least of n random numbers from 0 to 1?
196.Two-player random number game
197.Three-player random number game
198.Three logicians game #1
199.Three logicians game #2
200.Baseball playoffs question
201.Two dice question, twelve before two sixes.
202.Blue and Red Amoeba
203.One-Card Poker
204.154 Rolls of the Dice in Craps
205.Keno with Replacement
206.Ant on a rubber band problem
207.Rubik's Cube problem
208.Maximum volume of a cylinder problem
209.Square wheel problem
210.What holds more water, a cup or cone?
211.Hat and river problem
212.Three logicans game #3
213.Poker theory game #1
214.Three-player double-or-nothing game
215.Poker theory game #2
216.Expected rolls with two dice
217.Solve epi*i
218.Expected random numbers from [0,1] for the sum to exceed 1?
219.23 prisoners and two light switches problem
220.Good Will Hunting problem
221.25 horses problem
222.Eight pieces of bread problem
223.Cylinder in a sphere problem #1
224.Cooling beer problem
225.Poker theory game #3
226.Poker theory game #4
227.Two ferries problem
228.Cylinder in a sphere problem #2
229.Flight around the world problem
230.Five coins problem
231.Semi-circle inscribed in a quarter-circle problem
232.Which is more e^pi or pi^e?
233.Rook in the corner problem
234.Solve (x^2-15x+55)^(x^2-9x+20)=1
235.Hanging rope problem
236.Three circles problem #3
237.Three ants problem
238.Two boards and a moat
239.3 hot dog vendors and a beach
240.4 hot dog vendors and a beach
241.10 playing cards and a dark room
242.Maximum volume of cone
243.Secret Santa
244.Connecting four points on a square home