After The Day Riddle
Hint:
Tomorrow.
The day before yesterday is two days ago.
The day after the day before yesterday (2 days ago) is yesterday.
And two days after yesterday is tomorrow. Did you answer this riddle correctly?
YES NO
The day before yesterday is two days ago.
The day after the day before yesterday (2 days ago) is yesterday.
And two days after yesterday is tomorrow. Did you answer this riddle correctly?
YES NO
The Longest Camping Trip Riddle
A group of campers have been on vacation so long, that they've forgotten the day of the week. The following conversation ensues.
Darryl: What's the day? I dont think it is Thursday, Friday or Saturday.
Tracy: Well that doesn't narrow it down much. Yesterday was Sunday.
Melissa: Yesterday wasn't Sunday, tomorrow is Sunday.
Ben: The day after tomorrow is Saturday.
Adrienne: The day before yesterday was Thursday.
Susie: Tomorrow is Saturday.
David: I know that the day after tomorrow is not Friday.
If only one person's statement is true, what day of the week is it?
Darryl: What's the day? I dont think it is Thursday, Friday or Saturday.
Tracy: Well that doesn't narrow it down much. Yesterday was Sunday.
Melissa: Yesterday wasn't Sunday, tomorrow is Sunday.
Ben: The day after tomorrow is Saturday.
Adrienne: The day before yesterday was Thursday.
Susie: Tomorrow is Saturday.
David: I know that the day after tomorrow is not Friday.
If only one person's statement is true, what day of the week is it?
Hint:
It is Wednesday. If it was any other day of the week, more than one statement would be true. To solve the riddle, evaluate each person's statement and write down what day it could be according to the statement. David's statement indicates it could be any day of the week except for Wednesday. When you list the days that it could be according to everyone's statement, it turns out Wednesday is the day mentioned only one time. Darryl: Sunday, Monday, Tuesday, or Wednesday Tracy: Monday Melissa: Saturday Ben: Thursday Adrienne: Saturday Susie: Friday David: Sunday, Monday, Tuesday, Thursday, Friday or Saturday Did you answer this riddle correctly?
YES NO
YES NO
Sam And Angela's Camping Trip
Hint:
Angela first lit one mosquito coil at both ends and then lit the other on only one side. The coil which had been lit on both ends finished burning in one-half hour. At that point the second mosquito coil had one-half hour left to burn. Angela lit the second coil at the other end, and it finished burning fifteen minutes later. (45 minutes total) Did you answer this riddle correctly?
YES NO
YES NO
The Same Mother Riddle
There are two girls
They were born on the same day, same month, and same year.
They were born from the same mother and came from the same womb, yet they are not twins? How can this be?
They were born on the same day, same month, and same year.
They were born from the same mother and came from the same womb, yet they are not twins? How can this be?
Hint:
Invitro fertilization. Two different eggs fertilized at different times and implanted into the mother's womb. Did you answer this riddle correctly?
YES NO
YES NO
Construction Site Murder Riddle
A workman was killed at a construction site. The police began questioning a number of the other fellow workers. Based on past scrapes with the law, many of the following workers were considered prime suspects:
* The electrician was suspected of wiretapping once but was never charged.
* The carpenter thought he was a stud. He tried to frame another man one time.
* The glazier went to great panes to conceal his past. He still claims that he didnt do anything, that he was framed.
* The painter had a brush with the law several years ago.
* The heating, ventilation and air conditioning contractor was known to pack heat. He was arrested once but duct the charges.
* The mason was a prime suspect because he gets stoned regularly.
* The cabinet maker is an accomplished counter fitter.
The autopsy led the police to arrest the carpenter, who subsequently confessed. Why?
* The electrician was suspected of wiretapping once but was never charged.
* The carpenter thought he was a stud. He tried to frame another man one time.
* The glazier went to great panes to conceal his past. He still claims that he didnt do anything, that he was framed.
* The painter had a brush with the law several years ago.
* The heating, ventilation and air conditioning contractor was known to pack heat. He was arrested once but duct the charges.
* The mason was a prime suspect because he gets stoned regularly.
* The cabinet maker is an accomplished counter fitter.
The autopsy led the police to arrest the carpenter, who subsequently confessed. Why?
Hint:
The evidence against him was irrefutable. It was found that the workman, when he died, was hammered. Did you answer this riddle correctly?
YES NO
YES NO
Mummy Moving Out Riddle
Hint:
Presidential Promises Riddle
Ronald has a rare opportunity to meet the President of the United States. During his visit the president gives him a gift but tells Ronald he is never to sell it unless he sees the president again. Ronald consents, but the president dies later that year. Years later a man offers to buy the Presidents gift for $1000. Ronald agrees and exchanges the gift for 20 crisp $50 bills. Did he keep his promise?
Hint:
Yes. The president was Ulysses S. Grant, who died in 1885 and whose face has been on the $50 bill since 1913. He saw the president on the bills before he made the exchange. Did you answer this riddle correctly?
YES NO
YES NO
1 Month Old Riddle
Hint:
100 Widgets Riddle
Hint:
It would take 5 minutes. Each machine takes 5 minutes to make its widget. Therefore, each of the 100 machines would have finished making its widget in 5 minutes. Did you answer this riddle correctly?
YES NO
YES NO
Tomorrow Riddle
Hint:
Monday. Thursday's tomorrow is Friday, making the day after, Saturday. So today is Sunday. Did you answer this riddle correctly?
YES NO
YES NO
Captured By The Riddler
In the land of Geopolizza, three men were captured by the infamous Riddler. So, the Riddler buries the three men, named 1, 2 and 3 in such a manner, that 1 is in the front, 2 in the middle and 3 in the back. They are buried neck deep, and cannot move, not even their heads. He shows them 5 caps, two of which are red and 3 of them are white. He then switches off the lights and places a hat on top of their heads. The situation is such that no one can see their hat color, 1 is facing the wall and cant say anything, 2 can see 1 and 3 can see both 1 and 2. Then he tells the rules of his game: "If either of you three can tell the correct color of your head, I will let all of you go. However, if any of you answer wrong, all 3 of you will instantly die. Time is 3 minutes."
Upon 2 and half minutes passing, A shouts the answer and all 3 are released free. How did he know the correct answer ?
Upon 2 and half minutes passing, A shouts the answer and all 3 are released free. How did he know the correct answer ?
Hint:
P3 can only be certain of his cap if 1 & 2 are both white. Since he is not certain then 1 & 2 must be either white/red or red/red. 2 knows this but the only combination that he will be able to know the colour of his own cap is if he sees that 1 is wearing a white cap. 1 knows this but as 2 remains uncertain then 1 must be wearing a red cap. Did you answer this riddle correctly?
YES NO
YES NO
Two Hour Glasses Riddle
Hint:
Let the hourglass with 7 minutes timeframe be x and the hourglass with 11 minutes timeframe be y.
Turn x and y together.
After seven minutes, turn x.
After 11 minutes, turn x again.
Now it will take 4 minutes for x to stop.
At that moment, you would have calculated 15 minutes. Did you answer this riddle correctly?
YES NO
Turn x and y together.
After seven minutes, turn x.
After 11 minutes, turn x again.
Now it will take 4 minutes for x to stop.
At that moment, you would have calculated 15 minutes. Did you answer this riddle correctly?
YES NO
2 Burning Candles
Hint:
Burn one candle from both the ends and simultaneously burn the other candle from just one end. In half an hour, the first candle would have been burnt fully and the second one would have been burnt half. Now light the other end of the second candle as well. In this way, the second candle will take only half the time (30/2 = 15) to burn fully.
Thus, you will have measured forty five minutes. Did you answer this riddle correctly?
YES NO
Thus, you will have measured forty five minutes. Did you answer this riddle correctly?
YES NO
Losing A New York Bet
You are hanging around in NYC when a person approaches you.
"Leaving the bald people aside, I can bet a hundred bucks that there are two people living in NYC who have same number of hairs on their heads," he says to you.
You say that you will take the bet. After talking to the man for a couple of minutes, you realize that you have lost the bet.
What did the person say to you that proved his statement ?
"Leaving the bald people aside, I can bet a hundred bucks that there are two people living in NYC who have same number of hairs on their heads," he says to you.
You say that you will take the bet. After talking to the man for a couple of minutes, you realize that you have lost the bet.
What did the person say to you that proved his statement ?
Hint:
This problem can be best solved using the pigeonhole principle.
The argument will go like this:
Assume that all the non-bald people in NYC have different number of hairs on their head. The population is about 9 million and let us assume that there are 8 million among them who are not bald.
Now, those 8 million people need to have different number of hairs. On an average, people have just 100, 000 hairs on their head. If we keep on assuming that there is someone with just one hair, someone with two, someone with three and so on, there will be 7, 900, 00 other people left who will have more than 100, 000 hairs on their head and need different number of hairs.
Now, as per this assumption, if we keep increasing one hair for each person, to make everybody hair different in numbers, we will come across someone with 8, 000, 000 hairs. But that is practically impossible (even 1, 000, 000 is impossible). Thus there must be two people who are having same number of hairs. Did you answer this riddle correctly?
YES NO
The argument will go like this:
Assume that all the non-bald people in NYC have different number of hairs on their head. The population is about 9 million and let us assume that there are 8 million among them who are not bald.
Now, those 8 million people need to have different number of hairs. On an average, people have just 100, 000 hairs on their head. If we keep on assuming that there is someone with just one hair, someone with two, someone with three and so on, there will be 7, 900, 00 other people left who will have more than 100, 000 hairs on their head and need different number of hairs.
Now, as per this assumption, if we keep increasing one hair for each person, to make everybody hair different in numbers, we will come across someone with 8, 000, 000 hairs. But that is practically impossible (even 1, 000, 000 is impossible). Thus there must be two people who are having same number of hairs. Did you answer this riddle correctly?
YES NO
The Fitness Center Riddle
Two pro athletes decided to work out. At 6:00 pm, the athletes began the workout at their fitness center. One ran 10 miles at 10 miles per hour, and one cycled 6 miles at 6 miles per hour. Then they both ran at 2.5 miles an hour for 15 minutes. The athletes never took any breaks, and they started at the same time and place. How is it possible that they ended at the same place?
Hint:
They were at the fitness center the whole time. They ran and cycled on exercise equipment. Did you answer this riddle correctly?
YES NO
YES NO
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