• Views : 80k+
• Sol Viewed : 20k+

# #1 - Hard Logical Puzzle

Difficulty Popularity

You are the ruler of a medieval empire and you are about to have a celebration tomorrow. The celebration is the most important party you have ever hosted. You've got 1000 bottles of wine you were planning to open for the celebration, but you find out that one of them is poisoned.

The poison exhibits no symptoms until death. Death occurs within ten to twenty hours after consuming even the minutest amount of poison.

You have over a thousand slaves at your disposal and just under 24 hours to determine which single bottle is poisoned.

You have a handful of prisoners about to be executed, and it would mar your celebration to have anyone else killed.

What is the smallest number of prisoners you must have to drink from the bottles to be absolutely sure to find the poisoned bottle within 24 hours?

• Views : 80k+
• Sol Viewed : 20k+

# #2 - Famous Egg Floor Riddle

Difficulty Popularity

* You are given 2 eggs.
* Eggs can be very hard or very fragile means it may break if dropped from the first floor or may not even break if dropped from 100th floor.Both eggs are identical.
* You need to figure out the highest floor of a 100-story building an egg can be dropped without breaking.
* Now the question is how many drops you need to make. You are allowed to break 2 eggs in the process

• Views : 80k+
• Sol Viewed : 20k+

# #3 - Julius Caesar Cipher Puzzle

Difficulty Popularity

What does this message say ?

G T Y O R J O T E O U I A B G T

Hint
Count the letters and try splitting the letters up into groups.
Also known as Julius Caesar Box.

• Views : 60k+
• Sol Viewed : 20k+

# #4 - Famous Phrase Riddle

Difficulty Popularity

what Famous phrase is represented by below lines

Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'

• Views : 40k+
• Sol Viewed : 10k+

# #5 - Toughest Long Logic Puzzle

Difficulty Popularity

The puzzle question is : On Bagshot Island, there is an airport. The airport is the home-base of an unlimited number of identical airplanes. Each airplane has a fuel capacity to allow it to fly exactly 1/2 way around the world, along a great circle. The planes have the ability to refuel in flight without loss of speed or spillage of fuel. Though the fuel is unlimited, the island is the only source of fuel.
What is the fewest number of aircraft necessary to get one plane all the way around the world assuming that all of the aircraft must return safely to the airport? How did you get to your answer?
Notes:
(a) Each airplane must depart and return to the same airport, and that is the only airport they can land and refuel on ground.
(c) The time and fuel consumption of refueling can be ignored. (so we can also assume that one airplane can refuel more than one airplanes in air at the same time.)
(d) The amount of fuel airplanes carrying can be zero as long as the other airplane is refueling these airplanes. What is the fewest number of airplanes and number of tanks of fuel needed to accomplish this work? (we only need airplane to go around the world)

• Views : 60k+
• Sol Viewed : 20k+

# #6 - Number Sequence Puzzle

Difficulty Popularity

Replace the ? with the appropriate number

1 , 4 , 5 , 6 , 7 , 9 , 11 ?

• Views : 80k+
• Sol Viewed : 20k+

# #7 - Sherlock Holmes Murderer Mystery Puzzle

Difficulty Popularity

There are five people. One of them shot and killed one of the other five.

1. Dan ran in the NY City marathon yesterday with one of the innocent men.
2. Mike considered being a farmer before he moved to the city.
3. Jeff is a topnotch computer consultant and wants to install Ben's new computer next week.
4. The murderer had his leg amputated last month.
5. Ben met Jack for the first time six months ago.
6. Jack has been in seclusion since the crime.
7. Dan used to drink heavily.
8. Ben and Jeff built their last computers together.
9. The murderer is Jack's brother. They grew up together in Seattle.

Sherlock holmes arrived at the scene and immediately find the murderer.

who was the murderer ?

• Views : 60k+
• Sol Viewed : 20k+

# #8 - Crack The Code Puzzle

Difficulty Popularity

Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.

Can you crack the above text to get famous quote by albert einstein ?

• Views : 30k+
• Sol Viewed : 10k+

# #9 - 13 People 12 Room Puzzle

Difficulty Popularity

13 people came into a hotel with 12 rooms and each guest wanted his own room. The bellboy solved this problem.
He asked the thirteenth guest to wait a little with the first guest in room number 1. So in the first room there were two people. The bellboy took the third guest to room number 2, the fourth to number 3, ..., and the twelfth guest to room number 11. Then he returned to room number 1 and took the thirteenth guest to room number 12, still vacant.
How can everybody have his own room?

• Views : 30k+
• Sol Viewed : 10k+

# #10 - Mathematical Number Riddle

Difficulty Popularity

There is one four-digit whole number n, such that the last four digits of n2 are in fact the original number n

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