I've out this up on several forums. I can't come up with the answer, lets see if anyone on here can
Tom , Dick and Harry go out to a Restaurant and have a lovely meal.
At the end of the meal the bill comes to £30 and of course they split it and put £10 in each. The waiter takes the money to the kitchen where the Chef realises that they have been over charged and it should only be £25 so gives the waiter £5 change.
On his way back the waiter desides that these 3 men won't notice that they've only been charged £25 and so pockets £2 and gives each man £1 back.
Now with is change, each man has only paid £9. That means the meal comes to a total of £27.
And the Waiter has £2 in his pocket.
This equals £29.
Where has the missing £1 gone??