What happens if you press +2 and then press -2?

You stay at Floor 0

You go to Floor +2

You go to Floor -2

You go to Floor +4

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Q1.

What is the floor number above the ground floor labeled in Bela's Building of Fun?

Q2.

If you want to go from the ground floor to the Video Games shop, which button do you press?

Q3.

If you start at Floor +2 and go down to Floor 0, how many button presses do you make?

Q4.

How can you express pressing the lift button three times up?