two dices are rolled. What is the probabilty of rolling a 6,12 or doubles?
+23254 There are 36 possible ways to roll two dice ("die" is singular; "dice" is plural)
The ways to roll a 6: 5&1, 4&2, 3&3, 2&4, 1&5.
The way to roll a 12: 6&6.
The ways to roll doubles: 1&1, 2&2, 3&3, 4&4, 5&5, 6&6.
The ways to roll a 6 or 12 or doubles (without counting any answer more than once):
5&1, 4&2, 3&3, 2&4, 1&5, 6&6, 1&1, 2&2, 4&4, 5&5 for a total of 10 ways.
The probability is 10/36.
