101 Cunning Conundrums and Sneaky Solutions
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Erica has two children. One of them is a boy. What is the probability of her other child also being a boy?
Over a million people have visited Professor Richard Wiseman’s blog, eager to solve the cunning conundrums and perplexing puzzles that he posts each week. PUZZLED presents 101 of the most popular brainteasers from the site, along with the sneaky solutions. A heady mixture of lateral thinking problems, mathematical mysteries, logical riddles and visual oddities, this road-tested collection will appeal to those with the most curious of dispositions.
Perfect for anyone who wants to test their puzzle solving skills, give their brain a mental workout, or is in need of over 100 of the world's best conundrums.
Oh, and the answer to Erica's puzzle is not 50%!