This puzzle is rated 2 star (medium).
Here in the UK there is a TV programme called "Countdown". Countdown is primarily about creating words from randomly chosen letters, but there is a couple of rounds based around numeracy. Basically the contestant picks a random set of numbers and using only the numbers a maximum of 1 time and the operations add, subtract, multiply and divide he has to make a total.
Sometimes these are hard to get...
Using the rules of Countdown outlined above to make 446 using the numbers 100, 6, 2, 8, 9 and 5.
Check the solutions page for the correct answer.