The simple interest on a sum of Rs. 6800 for 18 months is Rs. 2244. What is the rate (in percent...

Simple interest on a sum of Rs 3300 for 5 years is Rs 1980. What is the annual rate (in percentage) of interest?

The difference between simple interest and compound interest on a sum of Rs 40,000 for two years is Rs 900. What is the annual rate of interest?

Find the simple interest on Rs . 50 for 6 months at the rate of 10 paise per rupee per month A. Rs. 35 B. Rs. 40 C. Rs. 25 D. Rs. 30