Good Riddles

Question: You need a room for your group. Each person needs 5 square feet of space. You have 25 people in your group, what is the smallest room you can use?

Question: What do you call an elephant in a phone booth?

Question: Before your choose the witching hour, take care to dream the tallest tower. Than careful before you leave too soon--behold the dark and hollow moon. What's the number? (This Riddle is from the Eye of Minds, by James Dashner.)

Question: What's hard Smells like the ocean And is full of seamon

Question: Name 4 ways to calculate 1+1.