Good Riddles

Question: It takes 45minutes for a man to cross the brige onthe brige there is a security personel who doesn't allow people to cross the brige to either side but he sleeps for only 35minutes so there was a wise man who crossed the brige so how could he do it

Question: Half of those who read this riddle, I am your best friend.
I depend on you, but it's you I will defend.

What am I?

Question: Black were are and much admired, Men seek for us if they are tired We tire the horse but comfort man, Tell me this riddle if you can.

Question: I am a thing, when I look at him , he looks at us!! who am I???

Question: Twelve pears hanging high, twelve men passing by. Each took a pear and left eleven hanging there. How can this be?