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: the largest 5 digit number exactly divisible by 91 is :
Options: a ) 25698 , b ) 581396 , c ) 369741 , d ) 99918 , e ) 1258
[EX A]: d

[EX Q]: Problem: what least no . must be subtracted from 50248 so that remaining no . is divisible by 20 ?
Options: a ) 3 , b ) 2 , c ) 4 , d ) 8 , e ) 6
[EX A]: d

[EX Q]: Problem: the avg weight of a , b & c is 80 kg . if d joins the group , the avg weight of the group becomes 82 kg . if another man e who weights is 3 kg more than d replaces a , then the avgof b , c , d & e becomes 81 kg . what is the weight of a ?
Options: a ) 56 , b ) 65 , c ) 75 , d ) 89 , e ) 95
[EX A]:
e