A number from the list (2, 4, 5, 7, 9, 10, 12, 15, 18, 20) is to be picked at random. What is the probability of getting an even number? write your answer in the simplest form of a fraction
There are a total of 10 numbers in the list.
Out of these, 5 numbers are even: 2, 4, 10, 12, 18.
Therefore, the probability of getting an even number is 5/10 or 1/2.