A coin is tossed and an equally divided spinner (as shown) is spun. What is the probability of a head on the coin or a prime number on the spinner? Choose:
3/10
6/10
8/10
9/10

The following clues for writing a five digit number is

 1.→The number consist of 3 different digits

 2.→All digits are even numbers greater than zero.

The four even digit are =2,4,6,8

So,Total Number of five digit numbers  in which three digits are Identical is

          = First three places can be filled by any of the four numbers and then fourth and fifth place can be filled by any of the remaining three numbers in 3 and 2 ways.

=4 ×3×2

=24 Numbers

The numbers are

22246,22264,22284,22248,22268,22286,44426,44462,44468,44486,44482,44428,66624,66642,66648,66684,66682,66628,88824,88842,88864,88846,88826,88862.