Abha purchased a house from Avas Parishad on credit. If the cost of the house is Rs. 64000 and the rate of interest is 5% per annum compounded half-yearly, find the interest paid by Abha after one year and a half.
Given,
Principal = Rs.64000
Rate of interest = 5% per annum = 
% half yearly
Time = 1-
years = 
Hence,
Compound interest = 
= 
= 
So, interest paid by Abha = Rs.4921
10