What is the maximum number of pieces I could divide a piece of paper into using only 4 straight lines?

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Presentation transcript:

What is the maximum number of pieces I could divide a piece of paper into using only 4 straight lines?

Connect all 9 dots with 4 straight lines without lifting the pencil off the paper, and without going over the same line twice (lines may cross each other, just not follow the same path).

A man throws a ball away from himself as hard as he can. It isn’t attached to him, it doesn’t bounce off anything and it isn’t caught and returned to him, but it still comes back to him. How?

There are three switches downstairs that control three light-bulbs in the attic. How can you find out which switch controls which bulb without making more than one trip to the attic?

Spare Wheel While changing a wheel in the middle of nowhere, you lose all 4 wheel-nuts. How can you get your vehicle home?

A man walks into a bar and asks the barman for a glass of water. Instead, the barman takes out a gun and shoots into the ceiling. The man thanks him, and leaves. Why?

You live in the middle of a prairie, with no way of escaping an oncoming prairie fire. You cannot outrun it or avoid it, and if it reaches you, you will die. How can you survive?

You’re a lorry driver who has been stopped by a low bridge – the lorry is just 2 inches too tall for the bridge, but to make a detour would take hours. What could you do?

Julia is the mother of two sons. They were born at the same hour of the same day of the same year, and yet they are not twins. How can this be?

A rope ladder hangs down the side of a ship. The bottom rung is just touching the water and the rungs are 30cm apart. How many rungs will be underwater after the tide rises 3 metres?