The 6 Wheeled Fly Riddle
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A Dog And An Airplane Riddle
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My House Has No Doors Riddle
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Find Me In The Classroom Riddle
I have two hands. I have a face.
My hands go round and round.
I have the numbers 1 to 12
Instead of smiles and frowns.
Find me in the classroom.
What am I?
My hands go round and round.
I have the numbers 1 to 12
Instead of smiles and frowns.
Find me in the classroom.
What am I?
Hint:
Whats White And Sticky Riddle
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Airplane Studies Riddle
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Black And White Riddle
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White Or Green Riddle
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Juicy On The Inside Riddle
I am a fruit that is very spiky on the outside and yellow, soft and juicy on the inside. I have APPLE in my name, but I am not an apple! What am I?
Hint:
I Help You Find Your Way Riddle
I have a magnet but I dont stick to metal
I have a needle but I cant sew
I sometimes have scales but I cant weigh anything
I help you find your way but Im not a map
I have N E W S on me but Im not a TV
What am I?
I have a needle but I cant sew
I sometimes have scales but I cant weigh anything
I help you find your way but Im not a map
I have N E W S on me but Im not a TV
What am I?
Hint:
Big White And Furry Riddle
I am big and white and furry
And I like to swim and run
I eat seals for my meals
And weigh about half a ton
What am I?
And I like to swim and run
I eat seals for my meals
And weigh about half a ton
What am I?
Hint:
Scary On Wheels Riddle
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Air Conditioning On Venus Riddle
Hint:
The 100 Seat Airplane
People are waiting in line to board a 100-seat airplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise they will choose an open seat at random to sit in.
The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?
The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?
Hint: You don't need to use complex math to solve this riddle. Consider these two questions:
What happens if somebody sits in your seat?
What happens if somebody sits in Steve's assigned seat?
The correct answer is 1/2.
The chase that the first person in line takes your seat is equal to the chance that he takes his own seat. If he takes his own seat initially then you have a 100% chance of sitting in your seat, if he takes your seat you have a 0 percent chance. Now after the first person has picked a seat, the second person will enter the plan and, if the first person has sat in his seat, he will pick randomly, and again, the chance that he picks your seat is equal to the chance he picks someone your seat. The motion will continue until someone sits in the first persons seat, at this point the remaining people standing in line which each be able to sit in their own seats. Well how does that probability look in equation form? (2/100) * 50% + (98/100) * ( (2/98) * 50% + (96/98) * ( (2/96) * (50%) +... (2/2) * (50%) ) ) This expansion reduces to 1/2.
An easy way to see this is trying the problem with a 3 or 4 person scenario (pretend its a car). Both scenarios have probabilities of 1/2. Did you answer this riddle correctly?
YES NO
The chase that the first person in line takes your seat is equal to the chance that he takes his own seat. If he takes his own seat initially then you have a 100% chance of sitting in your seat, if he takes your seat you have a 0 percent chance. Now after the first person has picked a seat, the second person will enter the plan and, if the first person has sat in his seat, he will pick randomly, and again, the chance that he picks your seat is equal to the chance he picks someone your seat. The motion will continue until someone sits in the first persons seat, at this point the remaining people standing in line which each be able to sit in their own seats. Well how does that probability look in equation form? (2/100) * 50% + (98/100) * ( (2/98) * 50% + (96/98) * ( (2/96) * (50%) +... (2/2) * (50%) ) ) This expansion reduces to 1/2.
An easy way to see this is trying the problem with a 3 or 4 person scenario (pretend its a car). Both scenarios have probabilities of 1/2. Did you answer this riddle correctly?
YES NO
Bike Wheel Riddle
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