150 freshmen, 125 sophomores, 100 juniors, and 75 seniors must select 4 of its member for student council. How many types of councils are possible if the following condition is satisfied? *I want actual numbers for this problem please!

a) One senior is President and one senior is Vice President
b) One senior is President and one Junior is Vice President
c) The majority of its members are sophomores
d) The council has exactly one senior and one freshman.
e) The council has at least one senior

This is a counting methods and probability problem

Question

150 freshmen, 125 sophomores, 100 juniors, and 75 seniors must select 4 of its member for student council. How many types of councils are possible if the following condition is satisfied? *I want actual numbers for this problem please!

a) One senior is President and one senior is Vice President
b) One senior is President and one Junior is Vice President
c) The majority of its members are sophomores
d) The council has exactly one senior and one freshman.
e) The council has at least one senior

This is a counting methods and probability problem