Count the number of 'F's in the following text :-

FINISHED FILES ARE THE RE-

SULT OF YEARS OF SCIENTIF-

IC STUDY COMBINED WITH THE

EXPERIENCE OF YEARS.

Managed it ?

Scroll down only after you have counted them.

How many ? Three ?

Wrong, there are six - no joke !

Read again !

The reasoning is this ........

The brain cannot process "OF".

Incredible or what ?

Anyone who counts all six 'F's on the first go is a genius,

three is normal, four quite rare.