# A ticket is drawn from a pool of tickets numbered 1 to 20. What is the probability of ticket number is a multiple of 3?

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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.

posted Sep 8, 2015

30%
Out of the 20 numbers, 6 numbers are a multiple of 3 (including #3).
Therefore the probability is 6 / 20 = 30%

answer Sep 8, 2015 by

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