A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

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

The answer I give is yes, but what I mean is no. What was the question?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

Count the number of triangles in the picture below:

I always drive my customer away.

Who am I?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

What number do you get when you multiply all of the numbers on a telephone's number pad?

Can you spot the man between the coffee bean in the picture below ?