Simple Interest - General Questions

A sum of Rs. 16,000 earns a simple interest of Rs. 4,800 in 3 years. What is the rate of interest per annum?

In how many years will a sum of money double itself at 5% per annum simple interest?

What is the simple interest on Rs. 5,500 at 12% per annum for 4 years?

A sum of Rs. 6,000 earns a simple interest of Rs. 600 in 2 years. What is the rate of interest per annum?

A sum of money amounts to Rs. 6,156 in 2 years and to Rs. 7,068 in 6 years at simple interest. What is the sum?