Question
In a school with 2,400 students, 45% of the students
prefer indoor games, while the remaining students prefer outdoor games. Among those who prefer indoor games, 20% enjoy chess. Similarly, among the students who prefer outdoor games, 30% enjoy football. What is the difference between the number of students who enjoy chess and those who enjoy football?Solution
Number of students who like indoor games = 2400 X 0.45 = 1080 Number of students who like outdoor games = 2400 - 1080 = 1320 Number of students who like chess = 1080 X 0.2 = 216 Number of students who like football = 1320 X 0.3 = 396 Required difference = 396 - 216 = 180
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