Answer:
What kind of dog keeps the best time?
What type of house weighs the least?
I am in the past, never in the future. I don't exist, but have existed. I saw what you saw, and this is what I will ever see. What am I?
I open to close but I close to open. I'm surrounded by water but I'm never soaking. What am I?
My rings are not worth much, but they do tell my age. What am I?
Why was the cook arrested?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic