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

Problem: in a graduating class of 232 students , 144 took geometry and 119 took biology . what is the difference between the greatest possible number and the smallest possible number of students that could have taken both geometry and biology ? 
Options: a ) 144 , b ) 119 , c ) 113 , d ) 88 , e ) 31
c

Problem: find the two digit number , such that the ratio is 7 / 4 of original number to the number formed by reversing the digits . 
Options: a ) 20 , b ) 21 , c ) 22 , d ) 23 , e ) 24
b

Problem: the ratio between the sale price and the cost price of an article is 10 : 7 . what is the ratio between the profit and the cost price of that article ? 
Options: a ) 2 : 9 , b ) 2 : 5 , c ) 3 : 7 , d ) 2 : 0 , e ) 2 : 1

c