What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

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?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

What does Alexander the Great and Winnie the Pooh have in common?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?

If you say my name, I will no longer exist. What am I?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

Move four matchsticks to the below square to form three squares?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?