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:

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

1.	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:
A.	1/4
B.	2/7
C.	3/5
D.	4/5
Answer» D. 4/5

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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:

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