RS Aggarwal Class 8 Maths Compound Interest

11  COMPOUND INTEREST

Ex 11A

Ex 11B
     Let Principal Amount = P ,Rate of Interest= R% , Time = n years
     1. When interest is compounded annually,                                        
                                Amount A= P (1 + R/100)ⁿ
     2. When interest is compounded half - yearly,
                                Amount A= P (1 + (R / 2)/100)²ⁿ