What has a ring but no finger?

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

What type of tree can I carry in my hand?

Three friends decide to distribute the soda cans they had among them. When all of them had drunk four cans each, the total number of cans that remained was equal to the cans each one of them had after they had divided the cans.

Can you calculate the total number of cans before distribution?