Answer:
How many bananas can you eat if your stomach is empty?
There are 20 birds in a tree. A man comes and shoots one of the birds. How many birds are left?
What moves and touches water but doesn't get wet?
What is the difference between yesterday and tomorrow?
What coin doubles in value when half is deducted?
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.