Look at the picture and find out which square is not linked with any of the other squares.

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

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?

What is so fragile that saying its name breaks it?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

Can you count the number of triangles in the given figure?

What number should come in place of the question mark below?

Count the number of lines in the image below ?

When it's bad luck to meet a black cat?