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

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

Can you make four (4) nines (9) equal 100?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

Can you find the mistake in the below statement?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

What type of tree can I carry in my hand?

Solve this tricky question. You are trapped in a forest. With you, you have a gun preloaded with two bullets in it. In front of you, there is a tiger, a leopard and a jaguar.

How do you survive?

On my way to St. Ives I saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kittens, cats, sacks, wives. How many were going to St. Ives?