In a group of 140 students,80 study mathematics,15 study only geography and 20 study only physics.58 study both mathematics and Geography,50 study both geography and physics and 65 study physics. Each student studies at least one of the three subjects i. Illustrate the information on a venn diagram
ii. Use your venn diagram to find the number of students who study:
a) all the three subjects
b) maths and physics but not geography
c) maths only
d) geography