Multiple choice

Three dice are rolled and told that exactly two of them are showing the same number. The probability of getting sum 16 is

  1. 1/14

  2. 1/15

  3. 1/17

  4. 1/16
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Total outcomes with exactly two dice showing the same number: 3 * 6 * 5 = 90. Sum 16 combinations: (6,6,4) in 3 permutations, (6,5,5) in 3 permutations. Total favorable = 6. Probability = 6/90 = 1/15.

Keep practicing — related questions