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: find large number from below question the difference of two numbers is 1365 . on dividing the larger number by the smaller , we get 6 as quotient and the 15 as remainder 
Options: a ) 1235 , b ) 1346 , c ) 1378 , d ) 1635 , e ) 1489
[A]: d


[Q]: Problem: the unit digit in the product ( 891 * 781 * 912 * 463 ) is : 
Options: a ) 2 , b ) 5 , c ) 6 , d ) 8 , e ) 10
[A]: c


[Q]: Problem: 1 = 1,2 = 2,3 = 9,4 = 16,5 = 25 , then 9 = ? 
Options: a ) 1 , b ) 255 , c ) 3 , d ) 445 , e ) 235
[A]:
c