Silence!

Because there are more of them!

The nail would be the same height as a tree grows at the top!

The letter N. The middle of each month, in all of the seasons and happens in the night, never in the day

Forth; it is incorrectly spelt, it should be fourth!

Peacocks do not lay eggs! It is the peahen which lays the egg. The fact the question says they do, does not make it true.

If I was to ask the other guard which door leads to freedom, what would he say?    Whichever door the guard points to, you go out the other door.!

Through the door way, there were no doors but a door way!

His Mother!

Because he lived in a lighthouse and had turned the light off causing the boat to crash!