The sky isn't always blue.
An object sliding down another, at a 45 degree angle, may move only a short distance - or may slide for infinity, depending on the coefficient of friction of the two objects.
Rolling a standard die (with 1 - 6 dots) ALWAYS pays you back even (assuming you get a 1) and any 2 through 6 rolls pays even better!
The questions will probably be verbal and tend to see how quickly you can think on your feet.