A sum of money at simple interest amounts to Rs. 2800 in 2 years and Rs. 3250 in 5 years. Find the sum and the rate of interest. Interest
Q1. A sum of money at simple interest amounts to Rs. 2800 in 2 years and Rs. 3250 in 5 years. Find the sum and the rate of interest. Interest
Answer: Rs.2500 and 6%
Explanation: Interest for years 3–5 (3 years) = 3250−2800 = Rs. 450, so annual SI = Rs. 150. Principal = 2800 − 2×150 = Rs. 2500; rate = 150×100/2500 = 6%.