What is the riddle which can be asked all day with a different correct answer each time.

Give it food and it will live; give it water and it will die.

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Peter wakes up daily to pick up his cycle and crosses the border between Spain and France daily with a bag on his shoulder. He is investigated daily by the officials but they don't find anything suspicious.

If we tell you that he is smuggling something what would it be?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?