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Question

In shuffling a pack of cards 3 are accidently dropped, then the chance that missing card should be of different suits is

A
169/425
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B
261/425
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C
104/425
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D
425/169
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Solution

The correct option is C 169/425
Total number of possibilities for the 3 cards = 523C
There are 4 suits with 13 cards each in a deck of 52 cards.
For the 3 missing cards to be different from different suits,
3 out of 4 suits are to be chosen first and then one card out of the selected 3 suits .
So, Number of ways possible=(43C).(131C)3
The chance that missing cards are of different suits
=4.13.13.652.51.50=169425

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