m3rk098 m3rk098

14-05-2018
Mathematics

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hello can you please help me posted picture of question

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11beehshahbaz 11beehshahbaz

14-05-2018

We are to select 2 people to sit in first row from 6.

This is a problem of Combinations. We are find permutation of 6 people taken 2 at a time. This can be represented as 6C2.

[tex]6C2= \frac{6!}{4!*2!} \\ \\=15 [/tex]

So, the answer is option B

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