An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

What's the best place to go shopping in the ocean?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

Can you solve the equation by finding the value of
A) Horse
B) Cowboy boot
C) Horseshoe

In the Picture?

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

Can you find the 09 errors in the picture below?

There is something which you can be arrested for attempting but not for successfully completing.

How many triangles can you find in this given picture?

How is the moon similar to a dollar?

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