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Find the letter F

This is a very interesting test that might have a suprising outcome. The test is “Count all letters F in the text below”.

  • FINISHED FILES ARE THE RE
    SULT OF YEARS OF SCIENTI
    FIC STUDY COMBINED WITH
    THE EXPERIENCE OF YEARS…
  • So please count the number of Fs in the paragraph above.
    Done? Then click read more….

    How much?

    Wrong! There are more than 3 or 4. This is not a joke. Read the paragraph again. There should be 6 Fs within the paragraph….retry before you read the solution below.

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    Solution: your brain cannot process the word “OF”. Interesting, not?

    About the Author

    Padek

    6 Responses to “ Find the letter F ”

    1. I got only 5 the first time. I missed the second "of" in "of years of". If you read the paragraph then you would miss an f or two, but if you just look for the "f" I think you won’t miss any.

      Current score: 0
    2. I think it’s too early for me to see all the Fs.

      Current score: 0
    3. Almost got me. I had to recount several time and keep in mind that I need to count ALL the letter F. I almost didn’t count the F from word OF.

      Current score: 0
    4. i was going to say 3, but noticed to more at teh very end so FIVE!! =)

      Current score: 0
    5. oops got me…wrong again…hahaha 6

      Current score: 0
    6. This is one of the best optical illusion. Thanks. I counted 6 the first time. Guess how I did it - count backward. Why would I count backward? Because there was a hint of a trick question.   When I look specifically for the letter "F" (not reading but forward) for the first time, I got 5.  A blind spot had been created..neat trick.

      Current score: 0

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