You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

What does an Island and the letter T have in common?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

With the following rules:

(A) White can make up to 10 legitimate moves until all kings are checkmate.
(B) White can take any black piece except the king.
(C) The White King cannot be in check position at any time of the game.

Can you checkmate all kings in less than 10 moves?

What kind of storm is always in a rush?

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

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?