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GlosRFC
19th April 2007, 21:17
Two architect friends build similar blocks of flats in their hometowns - one in Birmingham, the other in Bristol.

Unfortunately, both of them forgot one important part so they contact the same hardware store and both receive the same quote:

One will cost £2
Two will cost £2
Twelve will cost £4
One hundred and forty-four will cost £6

What was the item they forgot?

chancer
19th April 2007, 21:20
door numbers?

GlosRFC
20th April 2007, 00:08
correct