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

[EX Q]: Problem: if two integers x , y ( x > y ) are selected from - 10 to 1 ( inclusive ) , how many possible cases are there ? 
Options: a ) 150 , b ) 66 , c ) 190 , d ) 210 , e ) 240
[EX A]: b

[EX Q]: Problem: in a throw of dice what is the probability of ge æ « ing number greater than 2 
Options: a ) 2 / 3 , b ) 1 / 3 , c ) 1 / 5 , d ) 1 / 6 , e ) none of these
[EX A]: a

[EX Q]: Problem: there are 8 books on a shelf , of which 2 are paperbacks and 6 are hardbacks . how many possible selections of 3 books from this shelf include at least one paperback ? 
Options: a ) a ) 40 , b ) b ) 45 , c ) c ) 36 , d ) d ) 55 , e ) e ) 60
[EX A]:
c

