1 : 1 . Explanation: Probability = number of desirable outcomes total number of possible outcomes On a die, (number cube), there are 6 numbers, 3 of them are even , the probability of throwing an even number: 3 6 = 1 2 Odds = number of desirable outcomes number of non-desirable outcomes , often written as a : b instead of a b . So the odds of rolling an even number are 3 : ( 6 − 3 ) = 1 : 1 . aka 50%
