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

Ex Input:
Problem: income and expenditure of a person are in the ratio 10 : 7 . if the income of the person is rs . 10000 , then find his savings ? 
Options: a ) 3005 , b ) 3098 , c ) 3300 , d ) 3010 , e ) 3000

Ex Output:
e


Ex Input:
Problem: a certain business school has 500 students , and the law school at the same university has 800 students . among these students , there are 30 sibling pairs consisting of 1 business student and 1 law student . if 1 student is selected at random from both schools , what is the probability that a sibling pair is selected ? 
Options: a ) 3 / 40000 , b ) 3 / 20000 , c ) 3 / 4000 , d ) 9 / 400 , e ) 6 / 130

Ex Output:
a


Ex Input:
Problem: two assembly line inspectors , lauren and steven , inspect widgets as they come off the assembly line . if lauren inspects every fourth widget , starting with the fourth , and steven inspects every third , starting with the third , how many of the 98 widgets produced in the first hour of operation are not inspected by either inspector ? 
Options: a ) 50 , b ) 52 , c ) 53 , d ) 55 , e ) 56

Ex Output:

c