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प्रश्न
Two cards are drawn at random from a pack of 52 cards one-by-one without replacement. What is the probability of getting first card red and second card Jack?
उत्तर
The required probability = P((The first is a red jack card and The second is a jack card) or (The first is a red non-jack card and The second is a jack card))
= `2/52 xx 3/51 + 24/52 xx 4/51 = 1/26`
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