Simple and Compound Interest difference of two years Video Lecture

In this video lecture basic explanation of Compound Interest has been completed and the formulae for calculating the difference between the Simple Interest and Compound Interest has been derived. The basis how that formulae derived and how it should be understood to get it packed in your mind has been told. The difference came out to PR²/100²

This concept is specially important for you if you are preparing for SSC CGL and other competitive exams as this type of questions very frequently occur directly in exams. However if you are preparing for CAT and XAT then this thing is not going to help you much as in these exams questions like these have become outdated and obsolete. However having a sound understanding of this concept is necessary. Feedback, suggestions, comments and doubts regarding the concept are welcome.