Explain different types of joints in detail.
Based on the information given below, answer the questions that follow.
Percentage of professors and Assistant Professors together teaching six different subjects in University ‘X’
Total number = 150
Percentage of Professors teaching six different subjects in University ‘X’
Total number = 50
What is the approximate average number of professors teaching Computer Science, Psychology, English and Sociology ?
Name and explain different types of reserves in details.