Question

Tickets numbered 1 to 30 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?

A. 1/15
B. 8/15
C. 7/15
D .6/15

Answer 1

First we have to count the numbers which are multiples of 3 or 5
We sort them
3,6,9,10,12,15,18,20,21,24,25,27,30
So they are 14 in no.
the probability will
$14 \div 30 = 7 \div 15 \:$
in simplest form
therefore C

Answer 2

d

is the answer ii hope it is correct