Answer:
They have not flesh, nor feathers, nor scales, nor bone. Yet they have fingers and thumbs of their own. What are they?
What two things can always see what the other sees, but can never see each other?
What is full of holes, but can still hold a lot of water?
It can cause deflation of tires when dropped from the rear of spy cars.
I am the greatest teacher out of them all, but alas in the end I kill my pupils.
Why was the cook arrested?