The Piggy Bank Riddle
A girl liked to collect money in a piggy bank. She bought pink colored piggy bank when she was 10 years old. She put $250 in the box on each of her birthday. Her younger sister took $50 out of her piggy bank on her birthday. The girl died when she was 50 years old due to an incurable disease.
When the piggy bank was opened, it had just $500. How can that be possible?
When the piggy bank was opened, it had just $500. How can that be possible?
Hint:
The girl was born on 29 February. Thus her birthday came once in four years only while her sister was born on a normal day and celebrated her birthday every year. Thus the girl had a chance of depositing money only 10 times in 4 years through which she collected $2500 while her sister took $50 from the piggy bank every year making the total amount to be $2000. Thus when the piggy bank was opened, it had just $500. Did you answer this riddle correctly?
YES NO
YES NO
The Card Trick Riddle
A couple had to take shelter in a hotel for they could not proceed their journey in the rain. Having nothing to do at all, they started playing cards. Suddenly there was a short circuit and the lights went off. The husband inverted the position of 15 cards in the deck (52 cards normal deck) and shuffled the deck.
Now he asked his wife to divide the deck into two different piles which may not be equal but both of them should have equal number of cards facing up. There was no source of light in the room and the wife was unable to see the cards.
For a certain amount of time, she thought and then divided the cards in two piles. To the husbands astonishment, both of the piles had equal number of cards facing up.
How did she do it?
Now he asked his wife to divide the deck into two different piles which may not be equal but both of them should have equal number of cards facing up. There was no source of light in the room and the wife was unable to see the cards.
For a certain amount of time, she thought and then divided the cards in two piles. To the husbands astonishment, both of the piles had equal number of cards facing up.
How did she do it?
Hint:
The answer is very simple. All she had to do is take the fifteen cards from the top and reverse them. This would make another pile out of that and there will be two piles - one of 15 cards and one of 37 cards. Also both of them will have the same number of inverted cards.
Just think about it and if the mathematical explanation will help you understand better, here it is.
Assume that there were p inverted cards initially in the top 15 cards. Then the remaining 37 cards will hold 15-p inverted cards.
Now when she reverses the 15 cards on the top, the number of inverted cards will become 15-p and thus the number of inverted cards in both of the piles will become same. Did you answer this riddle correctly?
YES NO
Just think about it and if the mathematical explanation will help you understand better, here it is.
Assume that there were p inverted cards initially in the top 15 cards. Then the remaining 37 cards will hold 15-p inverted cards.
Now when she reverses the 15 cards on the top, the number of inverted cards will become 15-p and thus the number of inverted cards in both of the piles will become same. Did you answer this riddle correctly?
YES NO
Safely Across The Stream
A farmer was going to town with a fox, a goose and a sack of corn. When he came to a stream, he had to cross in a tiny boat, and could only take across one thing at a time. However, if he left the fox alone with the goose, the fox would eat the goose, and if he left the goose alone with the corn, the goose would eat the corn. How does he get them all safely over the stream?
Hint:
He takes the goose across first, then comes back. Then he takes the fox across and brings the goose back. Then he takes the corn over. Finally he comes back alone and takes the goose across. Did you answer this riddle correctly?
YES NO
YES NO
The Useless Keys Riddle
Hint:
100 Billion Neurons Riddle
Hint:
The Deadly Restaurant Riddle
Two men walk into a restaurant. The waiter brings them both beverages. The beverages are the same. One man drinks his glass down right away, and nothing bad happens to him. The other man takes his time and drinks slowly. He dies. Why?
Hint:
There was poison in ice cubes. The first man drank it down before the ice had a chance to melt. Did you answer this riddle correctly?
YES NO
YES NO
A Cabin On A Mountain Riddle
There are 27 people in a cabin on a mountain. The windows and doors are all locked, but everyone inside is dead. What happened?
Hint:
The cabin is an airplane cabin that crashed on a mountain. Did you answer this riddle correctly?
YES NO
YES NO
Shooting Mr. Door Riddle
Mr. Box drove up to the house where Mr. Door lived carrying a box in his hand. He was smiling as he rang the doorbell. When Mr. Door opened the door, Mr. Boxs smile melted away. Mr. Box took out a gun and shot Mr. Door. Why?
Hint:
Mr. Box and Mr. Door had been in the navy together years ago. They had both been on a ship that had shipwrecked in the Pacific. A group of men had survived on a liferaft but didnt have any food. Mr. Door was a navy doctor. He suggested that he would amputate each of their left arms for food. There was, however, no other doctor available to amputate Mr. Doors arm. To make it fair, Mr. Door promised that when they were back home again, he would have his arm amputated also. Mr. Door had sent Mr. Box an arm in the mail. Mr. Box assumed it was Mr. Doors arm, but when Mr. Box visited Mr. Door and saw that he still had both of his arms, he became very angry that Mr. Door had not followed through on his side of the bargain and shot him. Did you answer this riddle correctly?
YES NO
YES NO
Amusement Park Music Riddle
Hint:
The lady is a tight-rope walker and is doing the stunt blind-folded. When the music stops it means she is safely across and can step over to the platform, but someone turned off the music early, and she falls off the rope to her death. Did you answer this riddle correctly?
YES NO
YES NO
The Burning Island
You are in the center of on an island that is a kilometer long and half a kilometer wide. The vegetation is very dry from a long drought. Suddenly it catches fire at one end of the island, and a strong wind is blowing it towards you, burning the whole width of the island. There's no beach, only steep cliffs, and the sea is full of sharks. What can you do?
Hint:
Set fire to the other half of the island then walk behind the fire on to the burnt ground Did you answer this riddle correctly?
YES NO
YES NO
Bank Is Getting Robbed
A bank is getting robbed and one of the robbers tells one of the tellers to give him all of the money. The teller tells him she doesn't have access to it.
Suddenly the phone rings. The robber tells the teller to answer it and not give them away. She picks up the phone and it happens to be her mother. She tells her mother "Is this an emergency mom? Call me when I get home, I could use some help painting." Then she hangs up.
The robbers continue to try to get into the vault but twenty minutes later the police show up with the tellers mom and arrest them all.
How did the police know about the robbery?
Suddenly the phone rings. The robber tells the teller to answer it and not give them away. She picks up the phone and it happens to be her mother. She tells her mother "Is this an emergency mom? Call me when I get home, I could use some help painting." Then she hangs up.
The robbers continue to try to get into the vault but twenty minutes later the police show up with the tellers mom and arrest them all.
How did the police know about the robbery?
Hint:
The teller used the mute button on the phone so her mother only heard "Emergency... Call... Help." This is how she knew to call the police. Did you answer this riddle correctly?
YES NO
YES NO
Finding The Car Riddle
There are three doors in front of you. New car waits behind one of them; goat is hidden behind each of the remaining two. You may open one of the doors and get what is behind them. You want the car off course. You choose your door. Moderator (who knows where the car is) than opens one of the remaining doors and shows that there is goat. Now he gives you the opportunity to change your decision.
You are standing in front of two closed doors. Will you change your decision?
You are standing in front of two closed doors. Will you change your decision?
Hint: It matters whether you change your decision or not.
Imagine there were one hundred doors and moderator would open all but two.
Its better to change the door.
You win in case you chose wrong door at first (odds 2-in-3).
If you dont change the door you win only in case you originally picked the correct door (1-in-3).
Did you answer this riddle correctly?
YES NO
You win in case you chose wrong door at first (odds 2-in-3).
If you dont change the door you win only in case you originally picked the correct door (1-in-3).
Did you answer this riddle correctly?
YES NO
The Liar's Village Riddle
A man is traveling to a town and comes to a fork in the road. If he goes left, he goes to the liars' village. If he goes right, he then goes to the village of truths - which is where he wants to go. However, he does not know which way is which.
He doesn't have time to go both routes, so he approaches a stranger who is standing in the middle of the fork. The stranger says he may only ask 3 questions and he will answer them.
The man asks, "Are you from the village of truths?" The stranger says, "Yes!" However, the man is still facing a dilemma: If the stranger was from the village of truths he can only tell the truth, but if he was from the village of liars, he would say he was from the village of truth.
So then he asks the stranger, "Are you telling the truth?" The stranger says, "Yes!" But sadly this leaves the man in the same position as before.
How does he know if the man is telling the truth?
He doesn't have time to go both routes, so he approaches a stranger who is standing in the middle of the fork. The stranger says he may only ask 3 questions and he will answer them.
The man asks, "Are you from the village of truths?" The stranger says, "Yes!" However, the man is still facing a dilemma: If the stranger was from the village of truths he can only tell the truth, but if he was from the village of liars, he would say he was from the village of truth.
So then he asks the stranger, "Are you telling the truth?" The stranger says, "Yes!" But sadly this leaves the man in the same position as before.
How does he know if the man is telling the truth?
Hint:
The man asks the stranger the path back to his own village. If the stranger was from village of truths, he takes him there. If he was from the village of liars, he will still take him to the village of truths as he would be compelled to lie. Did you answer this riddle correctly?
YES NO
YES NO
Color Of The Stairs Riddle
There is a pink single story house and everything in it is pink. The doors are pink, the windows are pink and the TV is pink.
What color are the stairs?
What color are the stairs?
Hint:
The Expensive Restaurant Riddle
A man enters an expensive restaurant and orders a meal. When the waiter brings him his meal the man takes out a slip of paper and writes down 102004180, then leaves. The cashier hands the slip of paper to the cashier who understood it immediately.
What did the slip of paper say?
What did the slip of paper say?
Hint:
I =1, 0=Ought, 2=To, 0=Owe, 0=Nothing, 4=For, 1=I, 8=Ate, 0=Nothing. I Ought To Owe Nothing For I Ate Nothing. 102004180 Did you answer this riddle correctly?
YES NO
YES NO
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