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?

John, Jack and Jill are in a desert. John doesn't like Jill and hence decides to murder him. He poisons the water supply of Jill. Since it is a desert area, Jill must drink or he will die of thirst.

Jack does not know of the actions of John and also decides to murder Jill. To succeed in his ill motives, he removes the water supply of Jill so he dies of thirst.

Jill dies due to thirst. Who murdered Jill?

There was a strange boy who was born before his father. How can this be possible?

What happened when the wheel was invented?

What does a man do only once in his lifetime, but women do once a year after they are 29?

I am white when I am dirty, and black when I am clean. What am I?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

What question can you never answer yes to?

What is red and smells like blue paint?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.