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

[EX Q]: Problem: the duplicate ratio of 3 : 4 is ? 
Options: a ) 1 : 2 , b ) 1 : 4 , c ) 1 : 8 , d ) 9 : 16 , e ) 1 : 13
[EX A]: d

[EX Q]: Problem: the value of log 5 ( 1 / 125 ) is 
Options: a ) 3 , b ) - 3 , c ) 1 / 3 , d ) - 1 / 3 , e ) none
[EX A]: b

[EX Q]: Problem: share rs . 5400 among john , jose & binoy in the ration 2 : 4 : 6 . find the amount received by john ? 
Options: a ) 1800 , b ) 980 , c ) 1200 , d ) 1240 , e ) 1400
[EX A]:
a