Mental Floss

1. What can be seen in the middle of March and April that cannot be seen at the beginning or end of either month?
2. What is 3/7 chicken + 2/3 cat + 1/2 goat?
3. I am so fragile that when you say my name you break me. What am I?
4. What letter can you place on the line, other than E, to complete this sequence?
   
S E Q U E N C _
5. 5 + 5 + 5 = 550  Add ONE STRAIGHT LINE to make the equation correct. No, you can't make a not equal sign. That would be an inequality, not an equation.
6. An exclusive new club makes you answer a riddle to enter. Tim wants to get inside, so he watches the people in front of him in line, as the security guard asks the riddle. To the first guy in line, the guard says, "Six."  The man answers, "Three," and he is allowed to enter.  To the next person, the guard says, "Twelve."  The woman answers, "Six," and is allowed to enter. So Tim thinks he has it figured out, and walks to the door. The guard says, "Four."  Tim says, "Two," but he finds that denial is not just a river in Egypt.  What should Tim have said?
7. While riding in the car I saw a license plate that read like this: IXMNIZ. What occupation did the man in the car have?
8. A pen and a pencil together cost $1.10. The pen costs exactly $1.00 more than the pencil. What does each cost? (Not a trick, just math.)