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 Q]: Problem: john found that the average of 15 numbers is 40 . if 12 is added to each number then the mean of number is ? 
Options: a ) 52 , b ) 45 , c ) 65 , d ) 78 , e ) 64
[EX A]: a

[EX Q]: Problem: what is the dividend ? the divisor is 800 , the quotient is 594 , and the remainder is - 968 . 
Options: a ) 6623 , b ) 43036 , c ) 51515 , d ) 474232 , e ) 2025
[EX A]: d

[EX Q]: Problem: the average score of a cricketer in 2 matches is 20 and in other 3 matches is 30 . then find the average score in all the 5 matches ? 
Options: a ) 26 , b ) 27 , c ) 30 , d ) 35 , e ) 42
[EX A]:
a