JAMB Mathematics 2016 Paper

Concept:Count only the regions where exactly two games overlap in the Venn diagram.Explanation:In the Venn diagram, the students who play only two games are found in the three sections that lie between two game circles but not in the centre section where all three games overlap.The numbers in these three sections are $4$, $8$, and $3$.Therefore, total students who play only two games is:$4 + 8 + 3 = 15$Answer:A. 15