instruction:
In this task, you need to provide the correct option for a given problem from the provided options.
question:
Problem: in a college the ratio of the numbers of boys to the girls is 8 : 5 . if there are 135 girls , the total number of students in the college is ? 
Options: a ) 562 , b ) 351 , c ) 452 , d ) 416 , e ) 512
answer:
b


question:
Problem: there are 180 doctors and nurses at a hospital . if the ratio of doctors to nurses is 2 to 3 , how many nurses are at the hospital ? 
Options: a ) 100 , b ) 104 , c ) 108 , d ) 112 , e ) 116
answer:
c


question:
Problem: in a ratio which is equal to 2 : 4 , if the antecedent is 50 , then the consequent is ? 
Options: a ) 72 , b ) 85 , c ) 100 , d ) 51 , e ) 80
answer:

c