Karan borrowed ₹11,000 from his friend and repaid ₹11,450 after a year. What is the interest amount he paid?
Manish borrowed Rs 62500 from his friend at the rate of 8% per annum compounded annually. After some time, he repaid Rs 72900 to his friend. For how many years did Manish borrow the money?
Rohit borrowed Rs. 625 from his friend Shyam. After 146 days, Rohit repaid a sum of Rs. 641.25. Find the rate of interest Shyam charged Rohit.