Answer:
I hide in a dark tunnel awaiting my time. I can only be released by pulling back. Once released I may do unstoppable damage.
I am made of wood but can't be sawed? What am I?
Adored by few, feared and hated by many. Mistress of the entire universal reason, master in the art of numbers. Some may have solved many of my mysteries, but there are still many of them to find. What am I?
What do you call a sleeping bull?
I am a nut with a hole. What am I?
I will disappear every time you say my name.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic