How many times can you subtract the number 5 from 25?

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

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat

I look at you, you look at me, I raise my right, you raise your left. What am I?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

What has 13 hearts but no other organs?

Two friends were betting. One said to the other, "The coin will be flipped twenty times and each time the coin lands on the head, I will give you $2 and each time it lands on the tale, you will give me $3." After flipping the coin twenty times not a single penny was exchanged among them.

How many times did the coin land on heads?

How many bananas can you eat if your stomach is empty?

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?