In this task, you need to provide the correct option for a given problem on probability from the provided options.

Q: Problem: 4 dice are thrown simultaneously on the board . find the probability show the same face . 
Options: a ) 1 / 213 , b ) 1 / 215 , c ) 1 / 216 , d ) 2 / 113 , e ) 3 / 114

A: c
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Q: Problem: in how many ways 6 boys and 4 girls can be seated in a row so that they are alternative ? 
Options: a ) 14420 , b ) 12620 , c ) 17280 , d ) 21200 , e ) 24560

A: c
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Q: Problem: there are 6 books on a shelf , of which 2 are paperbacks and 4 are hardbacks . how many possible selections of 4 books from this shelf include at least one paperback ? 
Options: a ) a ) 40 , b ) b ) 14 , c ) c ) 50 , d ) d ) 55 , e ) e ) 60

A:
b
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