How much time will it take for an amount of Rs. 450 to yield Rs. 81 as interest

How much time will it take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest?

  1. 4 years
  2. 4.5 years
  3. 5 years
  4. 5.5 years

Answer

Simple Interest, SI = PRT/100

81*100 = 450*4.5*T

T = 4 years

The correct option is A.