IQ testing : 400 ways to evaluate your brainpower / Philip Carter and Ken Russell.

What letter is two to the right of the letter, immediately to the left of the letter, three to the right of the letter immediately to the left of the letter C? This type of question will be familiar to devotees of mental agility quizzes and logic puzzles. But as well as the pleasure of unravelling questions that test your brainpower, there are some valuable ways in which IQ tests can be used to measure human intelligence in many areas, for example in recruitment and selection to measure an applicant's level of intelligence and reasoning abilities.