Tuesday, June 28, 2011

SIMPLE INTEREST


SIMPLE INTEREST

SOME BASIC FORMULA E 

1) If P stands for Principal, R the rate per cent per annum. T the number of years, SI the simple interest and A the amount, then



Example:  On what sum of money lent out at 9% per annum simple interest for 6 years does the simple interest amount Rs 810?
Solution : 
                              

                               
2)
                    

  
                 

                                   

                                   

                             
Example:  A sum when reckoned at simple interest 2  1/2 % per annum amounts to Rs 630 after 2 years. Find the sum.

Solution :