Question

From a well shuffled pack of 52 cards, one card is drawn at random. Find the chance that the card is 1) either a king or a knave 2) neither a king nor a knave 3)neither a heartnor a diamond 4) neither an ace, nor a king , nor a queen , nor a knave.
plz sove this promptly with explanation its a request.​

Answer 1

Answer:

1) 2/13

2) 11/13

3) 1/2

4) 9/13

explanation:

1) Among 52 cards,there are 4 kings and 4 knaves. So, probability is 8/52. After reduction, answer comes 2/13.

2) Among 52 cards, there are 4 kings and 4 knaves. Removing them,the probability is 44/52. After reduction, answer comes 11/13.

3) Among 52 cards, there are 13 hearts and 13 diamonds.Removing them,the probability is 26/52. After reduction, answer comes 1/2

4) Among 52 cards, there are 4 kings,4 ace, 4 queens, 4 knaves. Removing them,the probability is 36/52. After reduction, answer comes 9/13.

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