Can you move 2 matchsticks to form four equal sized squares.

What is harder to catch the faster you run?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

What country can make you shiver?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

What is the longest word in the dictionary?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

By using 'because' continuously three times, can you make an English statement ?

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?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?