Of 250 candidates writing an examination 147 passed in mathematics 150 passed in chemistry and 85 passed in both subjects draw a venn diagram to show the information
Calculate the number of candidates who
Passed in mathematics only
Passed in chemistry only
Passed in neither subjects
Passed in only one subject
how many passed something? 147+150-85 = 212
so 38 passed neither
If you do your Venn diagram, the rest should be easy