Tickets numbered 1 to 20 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 3 or 5 ?

Tickets numbered 1 to 20 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 3 or 5 ? Correct Answer 9/20

Multiples of 3 or 5 in the range from 1 to 20 : 3,5,6,9,10,12,15 18,20 Total = 9 Probability = 9/20
Bissoy MCQ

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