Q19 of 89 Page 14

Find the compound interest at the rate of 5% for three years on that principal which in three years at the rate of 5% per annum gives Rs. 12000 as simple interest.

Given,


Simple interest = Rs.12000


Rate = 5% per annum


Time = 3 years


So,


=


= P =


We get ,


Principal = Rs.80000


Rate = 5% per annum


Time = 3 years


Compound interest =


= 80000=


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