How old is he?

Question: When I was 2 years old, my brother was half my age. Now I am 100 years old, how old is my brother?

Question: What is the next sequence of numbers and why? 1 11 21 1211 111221 312211

Question: I'm 10 years old my brothers half my age now I'm 100 years old how old is my brother now?

Question: Surrounded by life , yet life is its biggest enemy. But without life there is no need for it to exist. What is it?

Question: During what month do people sleep the least?

Question: A horse jumps over a castle killing a woman, who is she?