A card is drawn from a pack of cards. The probability that it is either red or number card is

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413

1113

55221

5534

answer is B.

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Detailed Solution

P(Red card)=26c1=P(R) P(number card)=36c1=P(N) P(R∩N)=18c1 ∴P(R∪N)=26+36−1852 = 1113

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