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

Tickets numbered from 1 to 20 are mixed up together and then a ticket is drawn at random. What is the probability that the ticket has a number, which is a multiple of 3 or 5 ?

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

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

Tickets numbered from 1 to 12 are mixed up together and then a ticket is withdrawn at random. Find the probability that the ticket has a number which is a multiple of 2 or 3.

Tickets are numbered from 1 to 18 are mixed up together and then 9 ticket is drawn at random . Find the probability that the ticket has a number , which is a multiple of 2 or 3 .

Tickets 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?

Tickets 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?

Tickets numbered from 1 to 18 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a prime number.