The bar graph below shows the number of boys and girls of a certain locality and the number of hours per week that they spend on playing video games.
The number of boys spending more than 10 hours per week on playing video games is what percentage (rounded off to the nearest integer) more/less than the number of girls spending less than 13 hours per week on playing video games?
A cooperative society increases the annual rate of simple interest from 10% to \(16 \tfrac{1}{2}\))%, then the yearly income of a person increases by βΉ1,077.70. The simple interest (inβΉ) on the sum at 10% for four years will be: