In the school Thejas Vidyalay, 45% of the students eat vegetarian food, 30% eat non-vegetarian food and 15% eat both. If a student is selected at random, the probability that he eats vegetarian or non-vegetarian food is?
The probability that Brazil and Argentina would score a goal in a penalty shot is 3/5 and 3/7 respectively. Each of the teams is given a chance to shoot a penalty shot once. The probability that exactly one of them would score is?
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