Question 1
A school advertised for Mathematics, Physics and Chemistry tutors and received applications from 10 people. Of these, 3 applied to teach Mathematics only, 2 for both Mathematics and Physics, 5 for Physics and 3 for Chemistry. No one applied for both Mathematics and Chemistry. Find the number who applied to teach:
- Physics and Chemistry only;
- Chemistry only.
Observation
The Chief Examiner reported that majority of the candidates’ missed the solution so because they could not draw the Venn diagram correctly.
In part (a), they were expected to use the assigned letter to subject and the value to draw Venn diagram as shown:
