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

[EX Q]: Problem: what number has a 150 : 1 ratio to the number 2 ? 
Options: a ) 130 , b ) 300 , c ) 200 , d ) 30 , e ) 75
[EX A]: b

[EX Q]: Problem: if the ratio of two number is 5 : 7 and lcm of the number is 320 then what is the number . 
Options: a ) 15 , b ) 9 , c ) 10 , d ) 11 , e ) 35
[EX A]: b

[EX Q]: Problem: he ratio between the sale price and the cost price of an article is 5 : 6 . what is the ratio between the profit and the cost price of that article ? 
Options: a ) 2 : 6 , b ) 1 : 8 , c ) 1 : 6 , d ) 2 : 1 , e ) 2 : 5
[EX A]:
c