instruction:
In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
question:
Problem: if x : y = 3 : 5 , find the value of ( 2 x + 4 y ) : ( 3 x – y ) 
Options: a ) 13 : 2 , b ) 11 : 2 , c ) 13 : 3 , d ) 13 : 4 , e ) 13 : 5
answer:
a


question:
Problem: find √ ? / 19 = 4 ? 
Options: a ) 76 , b ) 5776 , c ) 304 , d ) 1296 , e ) none
answer:
b


question:
Problem: 6 chess players take part in a tournament . every player plays twice with each of his opponents . how many games are to be played ? 
Options: a ) 19 , b ) 20 , c ) 30 , d ) 33 , e ) 34
answer:

c