In the speech of a professor , the number of students present in the speech directly varies with his capacity of explaining the subjects abnd inversely with the number of speech delivered . If 54 students were present in 10 speeches of professor A , then what number of students will present in the speech delivered by B when the capacity of explanation of professor B is 3 times then that of A ?

Rakesh delivered a slanderous speech

The students took COPIOUSnotes during the lecture delivered by the visting professor.

The table given below shows the number of students who were absent and percentage of students who were present in the given two examinations from five different schools. The table also shows the percentage of students who were present in the Biology and Physics examination respectively. If the number of students who were present in the Physics examination from school A is 250% of the difference of the number of the students who were present in Physics and bilogy examination, from school K, then what is the ratio of the number of students who were present from school L to number of students who were present in Physics examination from school A?

The table given below shows the number of students who were absent and percentage of students who were present in the given two examinations from five different schools. The table shows the percentage of students who were present in the Biology and Physics examination respectively. If the number of students who were present in the Physics examination from school A is 250% of the difference of the number of the students who were present in Physics and Biology examination, from school K, then what is the ratio of the number of students who were present from school L to number of students who were present in Physics examination from school A?