Our product and our sum always give the same answer. Who are we?

There are three light switches outside a room. One of the switches is connected to a light bulb inside the room.
Each of the three switches can be either 'ON' or 'OFF'.

You are allowed to set each switch the way you want it and then enter the room(note: you can enter the room only once)

Your task is to then determine which switch controls the bulb?

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?

What has 88 keys?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

Which letter of the alphabet has the most water?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Which flower has two lips?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

What is the end of everything?