NTA Abhyas JEE Main2020MathematicsProbabilityPractice
If three fair dice are thrown and the sum is an odd number, then the probability that all the three dice show an odd number is
Options
- A3 4
- B1 2
- C5 6
- D1 4
Correct answer
D. 1 4
Step-by-step solution
Total cases = sum on 3 dice is an odd number = 6 × 6 × 6 2 = 108 Favourable cases = all three dice show an odd number = 3 × 3 × 3 = 2 7 Required probability = 27 108 = 1 4