Multiple choice

Three dice are rolled. What is the probability that the sum of the numbers, shown on the dice, is neither 3 nor 18?

  1. 1/36

  2. 5/36

  3. 1/108

  4. 107/108

  5. -

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

3 or 18 can only come if (1, 1, 1) or (6, 6, 6) comes. So, the probability that the sum of the numbers, on the dice, is neither 3 nor 18 = 1 - 2/6 x 6 x 6 = 1 - 1/108 = 107/108 Option 4 is correct.