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'.

Ex Input:
Problem: when greenville state university decided to move its fine arts collection to a new library , it had to package the collection in 20 - inch by 20 - inch by 15 - inch boxes . if the university pays $ 1.20 for every box , and if the university needs 3.06 million cubic inches to package the collection , what is the minimum amount the university must spend on boxes ? 
Options: a ) $ 255 , b ) $ 275 , c ) $ 510 , d ) $ 612 , e ) $ 2,550

Ex Output:
d


Ex Input:
Problem: a no . when divided by 142 gives a remainder 110 , what remainder will be obtainedby dividingthe same no . 14 ? 
Options: a ) 16 , b ) 17 , c ) 18 , d ) 19 , e ) 20

Ex Output:
c


Ex Input:
Problem: ( √ 112 + √ 567 ) / √ 175 = ? 
Options: a ) 2 √ 2 , b ) 13 / 5 , c ) 3 √ 2 , d ) 3 √ 3 , e ) √ 2

Ex Output:

b