Riddle #4

Alone I am 24th, with a friend I am 20. Another friend and I am unclean. What am I?

I am as big as you are, but I am weightless. Who am I?

Without looking at a calendar, within a minute name a boys name using 5 consecutive first letters of 5 consecutive months.

A seven letter word containing thousands of letters.

Peter celebrated his birthday on one day, and two days later his older twin brother, Paul, celebrated his birthday. How could this be?

Scientists have proven that cats have more hair on one side than their other side. Some people believe that this is because when cats lay on their side they need insulation from the cold on the floor or ground. Which side of a cat has more hair?

How can one talk without saying a single word?

Dean Sam and Castiel are three brothers. Interestingly their current age is prime. What's more interesting that difference between their ages is also prime. How old are they?

Hockey Stick and ball cost $50. If the Stick cost $49 more than the ball. What is the cost of each ?

A man hijacks an aeroplane transporting both passengers and valuable cargo. After taking the cargo, the man demands two parachutes, puts one of them on, and jumps, leaving the other behind. Why did he want two?

What does this rebus say? XLR8.