One day Jerry Mayor from Smelliville was visiting the neighbouring country of Madadia and was sitting in the Penistone mainline railway station. He was sitting very uncomfortably in the waiting room and was staring intently at two doors that were at the opposite end of the room. Jerry Mayor was not a happy man at that point. In fact he was in dire distress. He then noticed a young man enter one of the doors. Instantly Jerry, with a great smile...

Five hundred begins it, five hundred ends it,
Five in the middle is seen;
First of all letters, the first of all figures,
Take up their stations between.
Join all together, and then you will bring
Before you the name of an eminent king.

Hint: Bible Verses readers will love this riddle.

Can you decipher this phrase:

friends
standing
miss
friends

There are two dogs, a black one and a white one. One is male. What is the probability they are both male?

You and your spouse invite four other couples to a party. During the course of the conversation, it is discovered that, prior to the party, each person except you was acquainted with a different number of the people present. Assuming the acquaintance relationship is symmetric (i.e., if you are acquainted with someone, that person is also acquainted with you), then how many people did your spouse know prior to the party? How many people did you...

There were three creatures outside a building. One of the creatures did not move itself but entered the building and knew that it was in the building. The second creature moved itself, entered the building, and knew that it was in the building. The last creature did not move itself but entered the building, and the creature did not know that it was in the building. What are the three creatures?