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A card is drawn at random from a well-shuffled deck of 52 cards. Find the probability of getting 

(i) A queen

(ii) A diamond

(iii) A king or an ace

(iv) A red ace

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Total number of all possible outcomes = 52

(i) Total number of queen = 4

Therefore, P(getting a queen) = \(\frac{4}{52}\) = \(\frac{1}{13}\)

(ii) Number of diamond suits = 13

Therefore, P(getting a queen) = \(\frac{13}{52}\) = \(\frac{1}{4}\)

(iii) Total number of kings = 4

Let E be the event of getting a king or an ace card.

Then, the favorable outcomes = 4 + 4 = 8

Therefore, P(getting a queen) = P(E) = \(\frac{8}{52}\) = \(\frac{2}{13}\)

(iv) Number of red aces = 2

Therefore, P(getting a queen) = P(E) = \(\frac{2}{52}\) = \(\frac{1}{26}\)

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