What does this rebus riddle means ?

What jumps when it walks and sits when it stands?

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

Can anyone explain, how is this possible?

What is the end of everything?

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

Jenifer and Jesica are having a conversation.

Jenifer: I am definitely not over 30.
Jesica: I am 28 and you are surely 5 years older to me at least.
Jenifer: No, you are at least 29.

You are told that both of them are lying throughout in the conversation. Can you find their respective ages?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

The more it dries, the wetter it becomes. Can you tell what it is?

There is something which is always coming but never arrives?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.