Directions (1-4): The proportion of male student and proportion of vegetarian in a school are given below. The school has a total of 800 students, 80% of whom are in the Secondary Section and rest equally divided between Class 11 and 12.

1.
What is the percentage of vegetarian students in class 12?

2.
In class 12, twenty 25% of the vegetarian are male. What is the difference between number of female vegetarian and male non-vegetarian?

3.
What is the percentage of male students in Secondary Section?