Ten > Sets

Asked by Atith Adhikari · 2 years ago

In an exam, 70% of the examinees passed in Science, 75% in Maths, 10% of them failed in both subjects, and 220 examinees passed in both subjects. If S and M are the set of examinees passed in Science and Maths respectively, then answer the following questions:

1. Find the percentage of n(S $\rm \cup$ M).
2. FInd the percentage of n(S $\rm \cap$ M).
3. Find the total number of students.
4. What percentage in the Venn diagram has been covered by n(S $\rm \triangle$ M)?