According to the National Opinion Research Center, the average American couple reports having sex 66 times a year. Married adults under age 30 say they have sex an average of 109 times a year. This tricky quiz promises to baffle users with ten difficult true or false questions from science to entomology, and its creator claims no one has ever managed to get completely right. We found some of the rudest, most disturbing place names in Britain, and then made up some of our own. The Rude British Place Name Quiz. Can you tell the difference?