The Venn diagram above shows a class of 40 stud... - JAMB Mathematics 2005 Question
The Venn diagram above shows a class of 40 students with the games they play. How many of the students play two games only?
A
19
B
6
C
15
D
4
correct option: c
N (two games only) = 7 + 5 + 3 = 15
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