Answer:
What is the difference between yesterday and tomorrow?
Mary's Father had 5 daugthers. Monday, Tuesday, Wednsday & Thursdsay. What is the Last daugther's name?
What is yours but only used by others?
Feed me anything and I will live.. But feed me with water and I will die...
If there are three apples and you take away two, how many do you have?
What is the middle of water but is not an island?