If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

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?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

Which English verb becomes past tense just by rearranging the letters?

Can you write down eight eights so that they add up to one thousand?

Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.