Question
Two cards are drawn from a well shuffled deck of cards.
Probability that both cards are queen is (1/p). Find the value of (2p - 20²).Solution
(1/p) = (4/52) X (3/51) Or, (1/p) = (1/221) 'p' = 221 Required value = 2 X 221 - 20² = 442 - 400 = 42
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