Logic Riddles

Question: You are my brother, but I am not your brother. Who am I?

Question: Before man discovered Mt. Everest, what was the tallest mountain in the world?

Question: Timmy's mother has three children. The first was named April. The next was named May.

What is the final one's name?

Question: If you have a cake, how many pieces of cake can you form with 3 straight cuts?

Question: Mr. Smith has 4 daughters. Each of his daughters has a brother.

How many children does Mr. Smith have?