Question 1 Mark: 5
From a group of 50 girls, 16 are taking Biology, 25 are taking Urdu and seven are in both classes,
- i.How many girls are in neither class?
- ii.How many are in either class?
(Use Venn diagram)
Question 2 Marks: 10
Determine whether the relation represented by the directed graph given below is reflexive, irreflexive, symmetric, antisymmetric and transitive. (Justify your answer against each property)
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