Happy Cowboy Riddle
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Piano Playing Cows
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Chess Cowboy Riddle
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The Last Cookie Riddle
Mike and James are arguing over who gets the last cookie in the jar, so their dad decides to create a game to settle their dispute. First, Mike flips a coin twice, and each time James calls heads or tails in the air. If James gets both calls right, he gets the last cookie. If not, Mike picks a number between one and six and then rolls a die. If he gets the number right, he gets the last cookie. If not, James picks two numbers between one and five, then spins a spinner with numbers one through five on it. If the spinner lands on one of James' two numbers, he gets the last cookie. If not, Mike does.
Who is more likely to win the last cookie, Mike or James? And what is the probability that person wins it?
Who is more likely to win the last cookie, Mike or James? And what is the probability that person wins it?
Hint: Their dad is a very smart person.
Believe it or not, both Mike and James have a 1/2 chance of winning.
James wins if:
-he calls both coin flips right = 1/2 x 1/2 = 1/4
OR
-he does not call both coin flips right, Mike does not call the die roll correctly, and he guesses the number on the spinner right = 3/4 x 5/6 x 2/5 = 30/120 = 1/4
1/4 + 1/4 = 1/2
Mike wins if:
-James does not call both coin flips right and he calls the die roll correctly = 3/4 x 1/6 = 3/24 = 1/8
OR
-James does not call both coin flips right, he does not call the die roll correctly, and Mike does not guess the number on the spinner right = 3/4 x 5/6 x 3/5 = 45/120 = 3/8
1/8 + 3/8 = 1/2
Of course, dad could have just flipped a coin Did you answer this riddle correctly?
YES NO
James wins if:
-he calls both coin flips right = 1/2 x 1/2 = 1/4
OR
-he does not call both coin flips right, Mike does not call the die roll correctly, and he guesses the number on the spinner right = 3/4 x 5/6 x 2/5 = 30/120 = 1/4
1/4 + 1/4 = 1/2
Mike wins if:
-James does not call both coin flips right and he calls the die roll correctly = 3/4 x 1/6 = 3/24 = 1/8
OR
-James does not call both coin flips right, he does not call the die roll correctly, and Mike does not guess the number on the spinner right = 3/4 x 5/6 x 3/5 = 45/120 = 3/8
1/8 + 3/8 = 1/2
Of course, dad could have just flipped a coin Did you answer this riddle correctly?
YES NO
A Country Of Great Animals
What country has great animals
Like a large bird called an emu
A cute and cuddly koala
Or a big hopping kangaroo?
Like a large bird called an emu
A cute and cuddly koala
Or a big hopping kangaroo?
Hint:
What Are The Coins?
Hint:
A nickel and a quarter: one of them isn't a nickel but the other one is Did you answer this riddle correctly?
YES NO
YES NO
Cats And Colors
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Top Of The Coconut Tree
A monkey, a squirrel, and a bird are racing to the top of a coconut tree. Who will get the banana first, the monkey, the squirrel, or the bird?
Hint:
None of them, because you cant get a banana from a coconut tree! Did you answer this riddle correctly?
YES NO
YES NO
What Color Is The Bear?
A man builds a house rectangular in shape. All the sides have southern exposure. A big bear walks by. What color is the bear? Why?
Hint:
The bear is white since the house is built on the North Pole. Did you answer this riddle correctly?
YES NO
YES NO
Cowboy Rides Into Town On Friday
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The Most Slippery Country Riddle
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Computer Lunch Riddle
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Ghost Color Riddle
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Burp Color Riddle
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Cheerleader Colors Riddle
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