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What is the probability that the ticket drawn has a number which is a multiple of 3 or 7 ?

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Ticket numbered from 1 to 20 are mixed up and a ticket is drawn at random.
What is the probability that the ticket drawn has a number which is a multiple of 3 or 7 ?

posted Jul 1, 2015 by Samardeep Acharya

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3 Answers (Check Answer ▼)





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