Detailed Instructions: In this task, you need to provide the correct option for a given problem on probability from the provided options.
See one example below:
Problem: Problem: in a throw of a coin find the probability of getting a tail ? 
Options: a ) 1 / 2 , b ) 1 / 3 , c ) 1 / 4 , d ) 2 / 5 , e ) 2 / 7
Solution: a
Explanation: "s = { h , t } e = { t } p ( e ) = 1 / 2 answer is a"

Problem: Problem: in how many ways 3 boys and 3 girls can be seated in a row so that boys and girls are alternate ? 
Options: a ) 69 , b ) 70 , c ) 71 , d ) 72 , e ) 73
Solution:
d