If only there was a search engine to help with those ...

In these tough times, many have considered a change of vocation - and the tech giant Google recently began hiring again, reports the Daily Telegraph. But given some of the posers on the 140-part interview questionnaire, you'd better get studying. "How much would you charge to wash all the windows in Seattle?" runs one, while another asks "Why are manholes round?" and "How many golf balls fit in a school bus?" Perhaps that career break to Australia is the better option after all.