Good Riddles

Question: A dad and his four boys stand in line.
All crowned, they toil in darkness.
Another family they see, two birds of a feather.
All of them together clad in leather.

What are they?

Question: Two simple warriors: a vegetable and none. It depends on whether they work together to reduce infinity to one.

Question: Why are owls like a quiz?

Question: There are 11 bananas and you take 4, how many do you have?

Question: You have 2 coins that add up to 35 cents. One of the coins is not a quarter.

What kind of coins do you have?