jokes and riddles seasonal insanity questions and answers?

1.Which is the bus that crossed the ocean?

.. Columbus

2.what is the question that can never be answered YES

... Are you sleeping?

3.What is the kind of the house that weigh least?

... Light house

4.what is big as a elephant but does not weigh any?

..an elephant's shadow

5.... How many seconds are there in a year???????

Now you answer this one ?????????

Answer this question truthfully:

is the next word you are going to say "no"