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: for any positive integer n , the sum of the first n positive integers equals n ( n + 1 ) / 2 . what is the sum of all the integers between 1 and 50 ? 
Options: a ) 1275 , b ) 1542 , c ) 985 , d ) 1024 , e ) 1125
[EX A]: a

[EX Q]: Problem: 48.95 - 32.006 = ? 
Options: a ) 16.089 , b ) 16.35 , c ) 16.89 , d ) 16.944 , e ) none of them
[EX A]: d

[EX Q]: Problem: 70 % of x is greater than 1 / 3 rd of x by 110 . what is x ? 
Options: a ) 100 , b ) 200 , c ) 300 , d ) 350 , e ) 400
[EX A]:
c