Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

What Adam and Eve do not have but the rest of the people have?

What does this mean?

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Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?

Three people enter a room and have a green or blue hat placed on their heads. They cannot see their own hat but can see the other hats.
The colour of each hat is purely random. They could all be green, blue, or any combination of green and blue.
They need to guess their own hat colour by writing it on a piece of paper, or they can write 'pass'.
They cannot communicate with each other in any way once the game starts. But they can have a strategy meeting before the game.
If at least one of them guesses correctly they win $10,000 each, but if anyone guesses incorrectly they all get nothing.
What is the best strategy?

There are forty elephants and they have forty-fore heads. How can this be possible?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?