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: divide rs . 1400 among a , b and c so that a receives 1 / 3 as much as b and c together and b receives 2 / 3 as a and c together . a ' s share is ? 
Options: a ) 346 , b ) 368 , c ) 350 , d ) 337 , e ) 639
[A]: c


[Q]: Problem: find the principle on a certain sum of money at 5 % per annum for 3 1 / 5 years if the amount being rs . 870 ? 
Options: a ) rs . 700 , b ) rs . 780 , c ) rs . 750 , d ) rs . 1000 , e ) none of these
[A]: c


[Q]: Problem: the sum of the first 50 positive even integers is 2550 . what is the sum of the even integers from 602 to 700 inclusive ? 
Options: a ) 24,550 , b ) 28,550 , c ) 32,550 , d ) 36,550 , e ) 40,550
[A]:
c