When we see 2 but call 10?

I am sure no one can have two things for dinner. what are they?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

I have branches, but no fruit, trunk or leaves. What am I?

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?

In the four images below, can you find the odd one out?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

I know a number which is spelt in alphabetical order.
Do you?

A blonde put eyeliner on her head. Why?