Two hundred forty-eight Brain-Teasing Math Problems from MathProblems.info

	Probability of n points in a semicircle problem
	Snow plow problem
	Cycloid problem
	Ant and spider problem
	Three wise men and mischievous boy problem
	Two envelope problem
	Volume of tetrahedron problem
	Volume of octahedrom problem
	Chicken McNugget problem
	Four businesses on a circle problem
	Coin toss problem #1
	Three men, a bell boy, and a motel room problem
	Wine and cigar problem
	Four pints of beer problem
	Three door problem
	Two coins problem
	Dartboard problem #1
	Sideways tank of gas problem
	Balls and an urn problem #1
	Nine minute egg problem
	License plates and a scale problem
	Two brothers and a flock of x sheep
	Fork in the road problem
	Baby bottle problem
	Guess the age problem
	100 single women problem
	Alley and two ladders problem
	Furniture factory problem
	Four dogs and a square problem
	Two boats problem
	Compound interest problem #1
	A fence, board, and a shadow problem
	Russian roulette problem
	Drug test problem
	Light bulb problem #1
	Light bulb problem #2
	Common birthday problem
	Meeting at a restaurant problem
	Zeros and ones problem
	Land and sea race problem
	Water flow and tank problem
	Drunken walk problem #1
	Wall and two houses problem
	Coin toss problem #1
	Surface area of Colorado problem
	Coin toss problem #3
	Height of pentagon problem
	Volume of dodecahedrom problem
	Compound interest problem #2
	World series problem
	Maximum volume of cone problem
	Two children problem
	Mean distance between two points in a square problem
	Work or pleasure problem
	Flying bird in the wind problem
	Babies in the nursery problem
	Chessboard problem #1
	Chessboard problem #2
	Two primes problem
	Screw your neighbor problem
	Coin toss problem #3
	Probabilities in poker problem
	Impossible to draw figure problem
	Cardiod problem
	Spirograph problem
	Closest distance between two points on a sphere problem
	Insurance in blackjack problem
	Four weights and a scale problem
	The Price is Right wheel problem #1
	Lottery problem
	Nine pearls and a scale problem
	A jar and an amoeba problem
	Free gift in the cereal box problem #1
	Free gift in the cereal box problem #2
	Gift exchange problem
	Two bags and marble problem
	Probability of gender problem
	House painting problem
	Three humans, three monkeys, and a boat problem
	128 pennies and a blindfold problem
	Military attack problem
	Pass line bet problem
	To confess or not confess problem
	12 pearls and a scale problem
	Five pirates and a 1000 coins problem
	Compound interest problem #3
	How far can the plane fly problem
	Three Surgeons, Two Gloves, and a Patient
	Pass line and odds problem
	Mortgage payment problem
	Keno problem
	Trigonometry problem
	Swimming pool dilution problem
	Pothole problem
	Four people, a bridge, and a flashlight problem
	Three people, a bridge, and a bicycle problem
	A dog, a chain, and a lighthouse problem
	Five rectangles in a square problem
	Camel and grain problem
	Pythagorean problem
	Three men and three questions problem
	Dartboard problem #2
	Create 24 with two 3s and two 7s
	The Price is Right wheel problem #2
	Parking cars problem
	Three circles and a line problem
	Create 24 with 1, 3, 4, and 6 problem
	Five people, a pile of coconuts and a monkey problem #2
	Two bags of M&Ms problem
	Cable in the field problem
	Four circles problem
	Five socks problem
	10,000 digits of e problem
	Gold mining problem
	Poissoned win problem
	Roulette problem
	Two incense sticks problem
	13 pirates and a safe problem
	Round table in a square room problem
	Yahtzee problem
	Wait for a 6 problem
	Mouse and a cube of cheese problem
	Height of a pentagon problem
	Small town election problem
	Clock problem
	The Price is Right bidding problem
	100 story building and a billiard ball problem
	Coin toss problem #4
	Sicherman dice problem
	Cutting a pizza problem
	Tiger and the lake problem
	21 squares in a big square problem
	Inheritance problem
	Free trade problem
	How much is that puppy problem
	Two marble collections problem
	Grave digging problem
	SEND+MORE=MONEY problem
	Roulette promotion problem
	Toothpick problem
	Dice game #1
	Dice game #2
	Dice game #3
	Dice game #4
	Dice game #5
	Dice game #6
	Expected number of random numbers, uniformally distributed from 0 to 1, needed for the sum to be greater than 1?
	Four people, bridge, and flashlight problem
	Burried treasure problem
	ABCDE * 4 = EDCBA problem
	Four mathematicians problem
	Ant and spider on a piece of wood problem
	Insurance company problem
	Biased coin flipping problem #1
	Biased coin flipping problem #2
	Heat-seeking missle problem
	Two boats problem
	Final Jeopardy problem
	Four couples on a deserted island problem
	Paint mixing problem
	Poker problem
	Five pumpkins problem
	Large tank with 10 outlets problem
	Two courier pigeons problem
	64-minute fuse problem
	Miss America problem
	Wagon wheel problem
	Cows eating grass problem
	Hungry spider problem
	How old am I problem
	How many ways to get from A to C problem
	Late train problem
	Three card problem
	Dating service problem
	Five ants on a pentagon problem
	Roulette promotion problem
	Picking apples problem
	Serial number problem
	Acceleration problem
	Two switches problem #1
	Two switches problem #2
	Triangular field problem
	Train station meeting problem
	Coconuts and monkey problem #2
	Stick and buz saw problem
	Monty Hall problem
	Marching soldiers problem
	Infinite fraction problem
	Circle and triangle problem
	100 coin problem
	Roulette problem
	Rock/Paper problem
	Rock/Paper/Scissors problem
	Average of the lesser of two random numbers from 0 to 1?
	Average of the least of n random numbers from 0 to 1?
	Two-player random number game
	Three-player random number game
	Three logicians game #1
	Three logicians game #2
	Baseball playoffs question
	Two dice question, twelve before two sixes.
	Blue and Red Amoeba
	One-Card Poker
	154 Rolls of the Dice in Craps
	Keno with Replacement
	Ant on a rubber band problem
	Rubik's Cube problem
	Maximum volume of a cylinder problem
	Square wheel problem
.	What holds more water, a cup or cone?
	Hat and river problem
	Three logicans game #3
	Poker theory game #1
	Three-player double-or-nothing game
	Poker theory game #2
	Expected rolls with two dice
	Solve epi*i
	Expected random numbers from [0,1] for the sum to exceed 1?
	23 prisoners and two light switches problem
	Good Will Hunting problem
	25 horses problem
	Eight pieces of bread problem
	Cylinder in a sphere problem #1
	Cooling beer problem
	Poker theory game #3
	Poker theory game #4
	Two ferries problem
	Cylinder in a sphere problem #2
	Flight around the world problem
	Five coins problem
	Semi-circle inscribed in a quarter-circle problem
	Which is more e^pi or pi^e?
	Rook in the corner
	Solve (x^2-15x+55)^(x^2-9x+20)=1
	Hanging rope problem
	Three circles problem #3
	Three ants problem
	Two boards and a moat
	3 hot dog vendors and a beach
	4 hot dog vendors and a beach
	10 playing cards and a dark room
	Maximum volume of cone
	Secret Santa
	Connecting four points on a square
	Leaping frog
	Common birthday for three or more people
.	Semicircle in a rectangle
	Sphere in a tetrahedron