Answer:
What asks but never answers?
Two brothers we are, great burdens we bear. All day we are bitterly pressed. Yet this I will say, we are full all the day, and empty when go to rest.
In the land of the green glass door there are riddles but no answers, sheets but no blankets, and books but no words. Name something found in the land of the green glass door.
how many words are in those books
What is round as a dishpan, deep as a tub, and still the oceans couldn't fill it up?
What is 9 added to any number ending in 1