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 ?

+1 vote

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 ?

+2 votes

0 votes

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