Puzzle 577
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 578
Using a tap, a seven gallon container, and an eleven gallon container, can you measure exactly 9 gallons?
You may empty the containers down the drain.
Puzzle 579
Hidden in the grid below are three boys names. Starting at any point, trace out the path of a chess knight. The last letter of one name starts the next one. What are the names?
The moves of a knight are:
Puzzle 580
Many years ago, befor modern educashun in the new millenium, one problem in skools was baseic speeling and grammer. To conbat this and rays acheivement, teechers were adviced to start at the very begining, at the yungest age. Once they had managed to breath new life into leessons, progres came quickly, sucess was then garanteed. How many speeling errors would modern skolars identify in this passage?