Difficulty: Easy
Correct Answer: 1/26
Explanation:
Given data
Concept/Approach
Mutually exclusive events: P(Q♣ or K♥) = P(Q♣) + P(K♥).
Step-by-step calculation
Probability = 1/52 + 1/52 = 1/26
Verification/Alternative
Count favourable outcomes = 2; total = 52 ⇒ 2/52 = 1/26.
Common pitfalls
Treating as non-exclusive or counting all queens and all kings.
Final Answer
1/26
Discussion & Comments