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In how many ways can a football team of 11 players be selected from 16 players? How many of them will include 2 particular players?

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प्रश्न

In how many ways can a football team of 11 players be selected from 16 players? How many of them will include 2 particular players?

योग
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उत्तर

Given that the total number of players = 16

We have to select 11 players out of 16 players.

If 2 players are included

Then number of ways of selection = `""^(16 - 2)"C"_(11 - 2)`

= 14C9  

Hence, the required number of ways of selection 14C9  

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अध्याय 7: Permutations and Combinations - Exercise [पृष्ठ १२४]

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एनसीईआरटी एक्झांप्लर Mathematics Exemplar [English] Class 11
अध्याय 7 Permutations and Combinations
Exercise | Q 23.(i) | पृष्ठ १२४

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