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'.

Q: Problem: the average ( arithmetic mean ) of 4 positive integers is 30 . if the average of 2 of these integers is 15 , what is the greatest possible value that one of the other 2 integers can have ? 
Options: a ) 55 , b ) 89 , c ) 100 , d ) 109 , e ) 115

A: b
****
Q: Problem: which number can we add to 897326 to get a number exactly divisible by 456 ? 
Options: a ) 58 , b ) 66 , c ) 74 , d ) 82 , e ) 90

A: d
****
Q: Problem: a person spends 1 / 3 rd of the money with him on clothes , 1 / 5 th of the remaining on food and 1 / 4 th of the remaining on travel . now , he is left with rs 400 . how much did he have with him in the beginning ? 
Options: a ) s 200 , b ) s 1000 , c ) s 300 , d ) s 450 , e ) s 550

A:
b
****