instruction:
In this task, you need to provide the correct option for a given problem from the provided options.
question:
Problem: the ratio of three numbers is 5 : 3 : 4 and their sum is 108 . the second number of the three numbers is ? 
Options: a ) 23 , b ) 27 , c ) 30 , d ) 32 , e ) 34
answer:
b


question:
Problem: find the number of different prime factors of 25650 
Options: a ) 4 , b ) 2 , c ) 3 , d ) 5 , e ) 6
answer:
a


question:
Problem: the simple form of the ratio 5 / 3 : 2 / 5 is ? 
Options: a ) 10 : 6 , b ) 10 : 3 , c ) 25 : 6 , d ) 25 : 3 , e ) 30 : 3
answer:

c