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

No one wants to have it, but if one got it, he does not want to lose it. What is It?

Solve the following series:
AZ, GT, MN, __, YB

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

Identify the 10 differences between the two given pictures.

There is a barrel with no lid and some wine in it. 'This barrel of wine is more than half full,' said Curly. 'No it's not,' says Mo. 'It's less than half full.' Without any measuring implements and without removing any wine from the barrel, how can they easily determine who is correct?

Solve the alphametic puzzle by replacing the alphabet with the number.

S T O R M +
S O L E S
=========
T O W E L
=========

What is the word or phrase?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?