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

[EX Q]: Problem: the sub - duplicate ratio of 25 : 49 is 
Options: a ) 4 : 3 , b ) 5 : 7 , c ) 6 : 4 , d ) 1 : 4 , e ) 2 : 3
[EX A]: b

[EX Q]: Problem: what number has a 3 : 4 ratio to the number 400 ? 
Options: a ) 130 , b ) 100 , c ) 200 , d ) 300 , e ) 120
[EX A]: d

[EX Q]: Problem: praveen starts business with rs . 3360 and after 5 months , hari joins with praveen as his partner . after a year , the profit is divided in the ratio 2 : 3 . what is hari ’ s contribution in the capital ? 
Options: a ) s . 7500 , b ) s . 8640 , c ) s . 8500 , d ) s . 9000 , e ) s . 6000
[EX A]:
b