Question

If rs 1 produces rs 9 as interest in 60 years at simple interest, the rate percent is

Answer 1

Interest for 60 years for Rs 1

Interest = Rs 9

Find Interest for 1 year for Rs 1

60 years = Rs 9

1 year = 9 ÷ 60 = 3/20

Find the rate percentage:

interest rate = 3/20 x 100 = 15%

Answer: The interest is 15%

Answer 2

Answer:

Step-by-step explanation:

15