Short Riddles and Answers

Question: How many people do you need to have the odds be in favor (at least 50% chance) of two people having the same birthday?

Question: Walk on the living, they don't even mumble.
But walk on the dead, they mutter and grumble.

What are they?

Question: I come in varieties of color and am found almost year round. My house is tall and my only fear is the cold. What am I?

Question: There were 10 horses and 9 paddocks. How do you fit all 10 horses in the paddocks with only 1 allowed in each paddock?

Question: I can hurt and make people bleed when I'm on the dark side, but used in good ways and I can also help you. What am I?