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 = 7 / 3 , then ( x + y ) / ( x - y ) = ? 
Options: a ) 5 , b ) 5 / 2 , c ) - 1 / 6 , d ) - 1 / 5 , e ) - 5
answer:
b


question:
Problem: whats the reminder when 879,548 , 521,456 , 258,759 , 653,258 , 778,455 , 658,985 is divided by 4 
Options: a ) 1 , b ) 7 . , c ) 2 . , d ) 3 , e ) 9
answer:
a


question:
Problem: a student chose a number , multiplied it by 2 , then subtracted 138 from the result and got 106 . what was the number he chose ? 
Options: a ) 123 , b ) 267 , c ) 277 , d ) 122 , e ) 120
answer:

d