What is the interest received on a principal of Rs. 680 for 3 years if the interest received on Rs. 2 after three years at the same rate of simple interest is Re. 0.48 ?
A). Rs. 156.78
B). Rs. 163.20
C). Rs.170
D). Rs. 175.89
Rs. 163.20
∴ Interest received on Rs. 2 for 3 years= Rs. 0.48
∴ Interest received on Rs. 680 for 3 years= 0.48/2 x 680