Puzzle 17
Can you make this equation correct by moving exactly one matchstick?
Note: this puzzle is not interactive, and the matchsticks cannot be moved. The matchstick layouts for each digit are:
Puzzle 18
The month of March in the year 1980 contained 5 Saturdays and 5 Mondays.
What day of the week was the 15th of March?
Puzzle 19
Complete these three-letter words, the first letters form a word reading down, and the last letters form a word reading down.
The two words reading down are closely related:
- O -
- G -
- A -
Puzzle 20
This BrainBashers safe has a rather unusual control panel.
In order to open the safe, you have to press every single square once only, in the correct sequence, ending on the square marked E.
Each square indicates which square to press next, for example, 2U means move up 2 squares and 3R means move right 3 squares.
Can you determine which square you must start with?
| 6D | 6D | 1R | 1R | 1R | 1R | 1D |
| 2D | 1D | 1U | 2L | 1R | 2D | 2L |
| 2U | 4R | 1U | 3R | 2D | 5L | 2L |
| 1R | 3U | 1U | 2D | E | 2D | 3L |
| 3U | 1L | 1U | 2L | 2D | 2L | 1L |
| 1R | 3R | 1U | 3U | 2U | 1D | 2U |
| 1U | 2R | 1U | 5U | 2L | 1R | 2U |
Note: this puzzle is not interactive, and the safe buttons cannot be clicked.