If you go by the Compound Interest formula the calculation would become very difficult. Lectures on how to solve quantitative questions without pen using common sense and Strategythis is the shorts tric. You can use formulas to solve these types of problems.
Compound interest is the addition of interest to the principal sum of a loan or deposit.
Basically The formula for Amount in Compoun interest Amount. Interest can be calculated in two ways simple interest or compound interest. But what follows is the quickest way to solve compound interest problems. Compound interest is calculated based on the principal interest rate and the time period involved.