In a school, 45% of the students play football, 30% play volleyball and 15% both. If a student is selected at random, then the probability that he plays football or volleyball is: Options: A . &nbsp$$\frac{{1}}{{4}}$$ B . &nbsp$$\frac{{2}}{{7}}$$ C . &nbsp$$\frac{{3}}{{5}}$$ D . &nbsp$$\frac{{4}}{{5}}$$

In a school, 45% of the students play football, 30% play volleyball and 15% both

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