Answer:
If eleven plus two equals one, what is nine plus five equal to?
Though I have neither legs nor feet, my use is for to go; Although I cannot speak, I tell what others want to know
I always follow my brother but you cannot see me, only him. You cannot hear him but you can hear me. What are we?
You heard me before, yet you hear me again, then I die. Until you call me again.
I'm the source of all emotion, but I'm caged in a white prison.
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.