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JEE Advanced Mathematics question

MathematicsProbabilityJEE Advanced

A card from a pack of 52 cards is lost. From the remaining cards of the pack two cards are drawn at random and are found to be spades. The probability of the missing card being a spade is . Then is equal to

Answer: 11

Solution

Let = the lost card is a spade, = both drawn cards are spades. , .

P(E = = , P(E Missing argument for \bar\bar =

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Question ID VK-110406