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 value for x from below equation ? x + 1 = 4 
Options: a ) - 5 , b ) - 4 , c ) 4 , d ) 3 , e ) 2
[A]: d


[Q]: Problem: which number need to add to 7844213 to get a number exactly divisible by 549 ? 
Options: a ) 418 , b ) 148 , c ) 448 , d ) 248 , e ) 348
[A]: c


[Q]: Problem: a student got 71 % in math and 81 % in history . to get an overall average of 75 % , how much should the student get in the third subject ? 
Options: a ) 63 % , b ) 75 % , c ) 77 % , d ) 79 % , e ) 81 %
[A]:
a