Two dice are thrown together. What is the probability that the sum of the numbers on the top faces is divisible by 5?
A1/6
B7/36
C2/9
D5/36
Explanation
Favorable sums: 5 and 10. Pairs for sum 5: (1,4), (2,3), (3,2), (4,1) -> 4. Pairs for sum 10: (4,6), (5,5), (6,4) -> 3. Total favorable = 7. Probability = 7 / 36.
Exam Relevance
- Topic: Probability
- Subtopic: Two Dice
No Comments