[header] How to increase concentration level [title] Take a book and count words in any page of it. [step] You can also count it again after you done it to be sure you counted right. [title] Count from 100 to 1. 
[title] Count from 100 to 1 skipping each 3 numbers like 100 , 97 , 94 , 91 etc. [title] Choose a word or sound and repeat it silently in your mind for 5 minutes.