KCET2025MathematicsProbability
A die has two face each with number ' 1 ', three faces each with number ' 2 ' and one face with number ' 3 '. If the die is rolled once, then P (1 or 3 ) is
Options
- A2 3
- B1 2
- C1 3
- D1 6
Correct answer
B. 1 2
Step-by-step solution
array ll p (1)= 2 6 && p (1 3)= p (1)+ p (3) p (2)= 3 6 && = 2 6 + 1 6 p (3)= 1 6 && = 1 2 array