(16) If you have a barrel that is filled with water up to the halfway mark, how can you empty the barrel until it’s completely empty without using any tools or removing the water?
- (a) Pour the water out
- (b) Tilt the barrel
- (c) Wait for it to evaporate
- (d) Fill it to the top
(17) If you have a boat in the middle of a lake and you throw a rock into the lake, what happens to the water level?
- (a) The water level rises
- (b) The water level remains the same
- (c) The water level goes down
- (d) The water level becomes turbulent
(18) If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?
- (a) 1 minute
- (b) 5 minutes
- (c) 5 minutes
- (d) 100 minutes
(19) What has keys but can’t open locks and has space but no room?
- (a) A keyboard
- (b) A computer
- (c) A room with a view
- (d) A piano
(20) What comes once in a minute, twice in a moment, but never in a thousand years?
- (a) The number 1
- (b) The letter “e”
- (c) The letter “m”
- (d) The word “time”
