When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

You need to move three matchsticks to form three squares. Can you do it?

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

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

1. Where does Easter come from before Valentine's Day?

2. Do you know what is in the middle of Valentine's?

3. What did the lady bee say to the man bee on the occasion of Valentine's Day

A blonde put eyeliner on her head. Why?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Solve the equation in the image by looking at the pattern closely.

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable