There are$8$lines in a plane, no two of which are parallel. What is the maximum number of points at which they can intersect?

Consider the following statements:

1. The point of intersection of the perpendicular bisectors of the sides of a triangle may lie outside the triangle.

2. The point of intersection of the perpendiculars drawn from the vertices to the opposite sides of a triangle may lie on two sides.

Which of the above statements is/are correct?

Direction: In a University there are $1200$ students studying four difference subjects, Mathematics, Statistics, Physics, and Chemistry. $20\%$ of the total number of students are studying Mathematics, one-fourth of the total number of students are studying Physics, $320$ students are studying Statistics and remaining students are studying Chemistry. Three-fifth of the total number of students studying Chemistry is girls. $150$ boys are studying Mathematics.$60\%$ of students studying Physics are boys.$250$girls are studying Statistics.

What is the total number of boys studying Statistics and Physics?

In a University there are $1200$ students studying four difference subjects, Mathematics, Statistics, Physics, and Chemistry. $20\%$ of the total number of students are studying Mathematics, one-fourth of the total number of students are studying Physics, $320$ students are studying Statistics and remaining students are studying Chemistry. Three-fifth of the total number of students studying Chemistry is girls. $150$ boys are studying Mathematics.$60\%$ of students studying Physics are boys.$250$girls are studying Statistics.

The number of girls studying Statistics is what percent (approximate) of the total number of students studying Chemistry?

Direction: In a University there are $1200$ students studying four different subjects, Mathematics, Statistics, Physics, and Chemistry. $20\%$ of the total number of students are studying Mathematics, one-fourth of the total number of students are studying Physics, $320$ students are studying Statistics and remaining students are studying Chemistry. Three-fifth of the total number of students studying Chemistry is girls. $150$ boys are studying Mathematics.$60\%$ of students studying Physics are boys.$250$girls are studying Statistics.

In which subjects is the difference between the number of boys and girls equal?

Direction: In a University there are $1200$ students studying four different subjects, Mathematics, Statistics, Physics, and Chemistry. $20\%$ of the total number of students are studying Mathematics, one-fourth of the total number of students are studying Physics, $320$ students are studying Statistics and remaining students are studying Chemistry. Three-fifth of the total number of students studying Chemistry is girls. $150$ boys are studying Mathematics.$60\%$ of students studying Physics are boys.$250$girls are studying Statistics.

What is the difference between the number of boys studying Mathematics and the number of girls studying Physics?

In a University there are $1200$ students studying four different subjects, Mathematics, Statistics, Physics, and Chemistry. $20\%$ of the total number of students are studying Mathematics, one-fourth of the total number of students are studying Physics, $320$ students are studying Statistics and remaining students are studying Chemistry. Three-fifth of the total number of students studying Chemistry is girls. $150$ boys are studying Mathematics.$60\%$ of students studying Physics are boys.$250$girls are studying Statistics.

What is the ratio of the total number of boys to the total number of girls?