The tickets numbered from 1 to 30 are mixed up 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?
3, 5, 6, 9, 10, 12, 15, 18, 20, 21, 24, 25, 27, 30- total of 14 multiples of 3 or 5 out of 30 --> 14/30=46.67%
The tickets numbered from 99 to 116 are mixed up 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?
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 ?
Tickets numbered 1 to 37 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 4 or 10?
Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn bears a number which is a multiple of 3.
