Riddle: How many 1 foot by 1 foot bricks would it take to complete a building that's 20 feet long on all four sides and 20 feet high?
Rating: 100%
Rating: 100%
Rating: 67%
Riddle: A circle of stones, never in rows. Stacked one on the other, mystery it sows. What is it?
Rating: 100%
Rating: 100%