The bar graph shows 1 month's sales figures of different brands of washing machines of a certain electronics store in Rs. 1000s. Study the diagram and answer the following questions.
Sales of which washing machine brand were the second highest?
The simple interest on a sum of money is 16/25 of the principal. The number of years is equal to the rate of interest per annum. What is the rate (in percentage) of interest per annum?