Count the squares in the matchstick puzzle below?

Replace the question mark with the correct number.

Identify the hidden meaning behind this picture?

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?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

How is the moon similar to a dollar?

What is the Surname of Barbie Doll?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

What does this Rebus Picture mean?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?