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: what is the least number which should be added to 5432 so that the sum is exactly divisible by 5 , 6 , 4 , and 3 ?
Options: a ) 16 , b ) 22 , c ) 28 , d ) 34 , e ) 40
[A]: c

[Q]: Problem: find ( 7 x + 2 y ) / ( x - 2 y ) if x / 2 y = 3 / 2 ?
Options: a ) 23 , b ) 25 , c ) 26 , d ) 27 , e ) 29
[A]: a

[Q]: Problem: in a party every person shakes hands with every other person . if there are 105 hands shakes , find the number of person in the party .
Options: a ) 14 , b ) 12 , c ) 13 , d ) 15 , e ) 16
[A]:
d