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Question

In a hand at whist, what is the chance that the 4 kings are held by a specified player?

Note: Whist is a game of cards in which a standard pack of 52 cards is used. The game is played in pairs. In each round, a suit is randomly selected as 'Trump', which gets preference over other suits for that particular round.

A
Hence required probility p=114165
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B
Hence required probility p=224165
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C
Hence required probility p=118330
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D
Hence required probility p=334165
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Solution

The correct option is A Hence required probility p=114165
We know that 13 cards are delivered to a hand at whist .
Now, n=total no. of ways =52C13=52!13!39!
Since 4 kings are held by a specified player, 9 more cards are to be delivered to him from the remaining 48 cards
So, m= favourable no. of ways =48C9=48!9!39!
Hence required probility p=mn=48!9!39!×13!39!52!
=13.12.11.1052.51.50.49
=114165

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