The pie chart given below shows the number of students in seven different institutes in a town. Total number of students in all the seven institutes is 168000. The number of students in a particular institute is shown as a percent of total number of students in all these seven institutes. Which of the following statement(s) is/are correct?
I. Number of students in Institute A and B together is 20160 more than the number of students in institute F and G together.
II. Ratio of number of students in institute A to the number of students in institute C is 6 : 5 respectively.