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प्रश्न
A card is drawn from a deck of 52 cards. Find the probability of getting a king or a heart or a red card.
योग
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उत्तर
Total number of cards = 52
Favourable events = 4 kings + 13 hearts + 26 red – 13 – 2
= 28
∴ Required probability = `28/52`
= `7/13`.
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