NCERT Example 1 - Probability
Question: A die is thrown once. Let A be the event of a prime number and B the event of an odd number. Describe A, B, A union B, A intersection B, A', and B'.
Answer: A={2,3,5}; B={1,3,5}; A union B={1,2,3,5}; A intersection B={3,5}; A'={1,4,6}; B'={2,4,6}.
Full step-by-step NCERT solution with diagrams on Something by Zero.