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

Q: Problem: if two dice are thrown together , the probability of getting an even prime number on the dice is 
Options: a ) 1 / 36 , b ) 1 / 18 , c ) 1 / 13 , d ) 1 / 9 , e ) 5 / 36

A: a
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Q: Problem: a meeting has to be conducted with 5 managers . find the number of ways in which the managers be selected from among 9 managers , if 2 managers will not attend the meeting together ? 
Options: a ) 35 , b ) 91 , c ) 120 , d ) 126 , e ) 150

A: b
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Q: Problem: if two integers x , y ( x > y ) are selected from - 10 to 11 ( inclusive ) , how many possible cases are there ? 
Options: a ) 150 , b ) 180 , c ) 190 , d ) 210 , e ) 231

A:
e
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