Answer:
We are five little objects of an everyday sort. You will find us all in a tennis court.
What number has all letters in alphabetical order when spelled out?
Where do you go in through one hole and come out through two holes at the same time?
What word has kst in the middle, in the beginning, and at the end?
I look at you, you look at me, I raise my right, you raise your left.
When is it bad luck to see a black cat?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?