Probability · Class 11 · CBSE · Science Mathematics
A fair die is thrown once. What is the probability of obtaining a number that is not prime?
Practice question from Probability (Class 11 · CBSE · Science Mathematics), with the correct answer and a step-by-step solution.
easy · MCQ · Q-7D12F9
A fair die is thrown once. What is the probability of obtaining a number that is not prime?
- A.1/3
- B.1/2Correct answer
- C.2/3
- D.5/6
Solution
The prime numbers on a die are and . The non-prime outcomes are and , so there are 3 favourable outcomes out of 6. Thus, .
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