Guess Where Hassan Nasrallah Was When He...
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Barry's post below demonstrates how the correct approach is vital even with simple arithmetic, so here's another classic....
The missing pound!
//Three friends are splitting the bill after a meal out at a restaurant. The
waiter says the bill is £30, so the guests split it evenly and pay £10 each.
As he’s walking away the waiter realises that he’s overcharged the group
and the bill should only be £25.
In order rectify this, he takes the £5 that is owed to the guests in order
to bring the bill down to £25. On the way back to the table, he realises
that he cannot divide £5 equally between three people.
As the customers are still unaware of the actual total of the revised bill,
the waiter decides to just give each of the three friends £1 each and then
keep the leftover £2 as a tip for himself.
Basically, each customer got £1 back: meaning they only paid £9 each;
bringing the total paid to £27. The waiter has the leftover £2.
The £27 the customers paid, + the £2 the waiter kept = £29 so, if the
diners originally handed over £30, what happened to the remaining £1?//
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