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Probability of drawing a king OR a queen from a deck is
Aone over thirteen
Bfour over thirteen
Ctwo over thirteen
Done over twenty six
Answer & Solution
Correct answer: C. two over thirteen
1. There are 4 kings and 4 queens in a deck; no overlap.
2. P(king or queen) = P(king) + P(queen) = 4/52 + 4/52.
3. = 8/52.
4. Simplify: 8/52 = 2/13, written as 'two over thirteen'.
_Source: ICAI BoS Foundation Paper 3, Ch 15 'Probability', p.9_
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