The following questions each present two quantities, Quantity I and Quantity
II. Compare the values of the two quantities and determine their relationship. Quantity I:  P deposits ₹6500 at compound interest for 3 years at an annual rate of r%. After 3 years, the total amount he receives is ₹8651.5. Determine the value of r. Quantity II : R borrows ₹70,000 from a bank at 10% simple interest per year. At the same time, he lends this entire amount to his friend Q at a simple interest rate of (r + 5)% per year. After 3 years, his total gain is ₹10,000. Determine the value of r.