You need to move three matchsticks to form three squares. Can you do it?

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?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Count the squares in the matchstick puzzle below?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

Solve the rebus riddle in the picture below.

Solve this riddle by finding the odd one out from the rest.

Count the Triangle in the figure given below:

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?