Answer:
What has thousands of ribs and two backbones?
What does an old tan broken down house wear outside?
When is 1500 plus 20 and 1600 minus 40 the same thing?
Longer than a decade and shorter than a milennium
What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?