Question

A certain sum amount to rupees 79 8.60 after 3 years and rupees 87 8.46 after 4 years find the interest rate and the sum

Answer 1

Answer:

Find the interest for one year:

878.46 - 798.60 = Rs 79.86

Find the interest for 4 year:

79.86 x 4 = Rs 319.44

Find the original amount invested:

878.46 - Rs 319.44 = Rs 559.02

Answer: The amount invested is Rs 559.02 and the total interest earned in the 4 years is Rs 31