Tickets numbered 1 to 20 are mixed up and then a ticked is drawn at random. What is the probability that the ticket drawn bears a number which is a multiple of 3? Choose the correct choice from the following answers
A) 3/10	B) 3/20	C) 2/5	D) 1/2	E) 1/3
S={1,2,3,….20}   E={3, 6,9,12,15,18}   P(E)=6/20   =3/10   Option 3/10
<result>A</result>
Tickets numbered 1 to 20 are mixed up and then a ticked is drawn at random. What is the probability that the ticket drawn bears a number which is a multiple of 3?