GCSE MATHS QUESTION 2010
Ted walks into to JJB to buy some trainers. After choosing some trainers from the small selection of shoes he is offered help by a shop worker. The shop worker then disappear out the back for half an hour looking for the shoes. After several times of the shop worker bringing back the wrong size Ted finally gets his shoes. How many pairs of pointless extra laces will he be offered before he can leave the shop?