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Three packs of cards are thoroughly mixed and shuffled and 2 cards are drawn at random, one after the other. What is the probability that all of them are jacks?1). 43/23052). 4/33553). 7/13354). 98/1695 |
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Answer» No. of CARDS = 52 × 3 = 156 No. of jacks = 4 × 3 = 12 Number of ways of DRAWING 2 jacks out of total 12 jacks = 12C2 Number of ways of drawing 2 cards out of 156 = 156C2 Required probability = 12C2/156C2 = (12 × 11)/(156 × 155) = 11/2015 |
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