Count the number of times the letter F appears in the following paragraph. If you haven't seen this before you will probably get it wrong at least once. So you don't think it's a trick, count it more than once. FINISHED FILES ARE THE RE SULT OF YEARS OF SCIENTI FIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS... The answer is in white: There are 6 F's I don't know if this has been here before or not so don't flame me if it has.