A sum amounts to Rs. 14,395.20 at 9.25% p.a. simple interest in 5.4 years. What will be the simple interest on the same sum at 8.6% p.a. in 4.5 years?

A. Rs. 3,715.20

B. Rs. 3,627

C. Rs. 3,797.76

D. Rs. 3,672

Answer: Option A

Solution(By Examveda Team)

$$\eqalign{ & \frac{{P \times 5.4 \times 9.25}}{{100}} = \left( {14395.20 - P} \right) \cr & P = 9600 \cr & \frac{{9600 \times 8.6 \times 4.5}}{{100}} = {\text{SI}} \cr & {\text{SI}} = 3715.20 \cr} $$