Compound Intrest

Vedic Maths trick to find Compound Intrest

The Simple Intrest on certain sum for 3 years at 20 at per annum is Rs.240. Find the corresponding Compound Intrest.

First we will find princple by using the Simple intrest formula:

Simple intrest = SI
Principle = P
Rate = R
Time = T

SI = P X R X T/100

240 = P X 20 X 3/100

by putting value in this formula we will get the principle value : Rs.400

Now we will find Compound Intrest by putting values in the formula given below

Compound Intrest = CI
Rate = r
Year = n

CI = P[1 + 20/100]n - P

CI = 400[1 + 20/100]3 - 400

CI = Rs.176


Watch Youtube video of Compound Intrest for better understanding.