• How to find out percentages: if you are asked for finding percentages for example you are asked to calculate percentage for 40% of 300 then by converting both numbers into simple values like 4 and 30 and by multiplying these two numbers 4 multiply by 30 we have 120 as an answer.

via Twitter /@LifeHacks

In schools we learn these small things but some of these things are technical and these are whole life hacks to be remembered by everyone anytime because it can help people in their daily routine these are also useful for being answerable in front of anyone who ask question from you.