Question

8) College T has 1000 students. Of the 200 students majoring in one or more of the sciences, 130
are majoring in Chemistry and 150 are majoring in Biology. If at least 30 of the students are not
majoring in either Chemistry or Biology, then the number of students majoring in both Chemistry
and Biology could be any number from​

Answer 1

Answer:

total students= no of students in chem+ no of students in bio+ no of students in neither- no of students in both bio and chem.

Since the students in bio and chem are already included first.