Tickets numbered from 1 to 20 are mixed up together and then a ticket – InterviewSolution

1.	Tickets numbered from 1 to 20 are mixed up together and then a ticket is drawn at random. Then, the probability that the ticket has a number which is a multiple of 3 or 7 is _____.
Answer» Tickets numbered from 1 to 20 are mixed up together and then a ticket is drawn at random. Then, the probability that the ticket has a number which is a multiple of 3 or 7 is _____.

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