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: sum of two numbers is 63 . their difference is 1 / 8 of their sum . their l . c . m is
Options: a ) 231 , b ) 153 , c ) 351 , d ) 345 , e ) 355
[EX A]: c

[EX 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
[EX A]: c

[EX Q]: Problem: solution x is 10 percent alcohol by volume , and solution y is 30 percent alcohol by volume . how many milliliters of solution y must be added to 300 milliliters of solution x to create a solution that is 15 percent alcohol by volume ?
Options: a ) 50 , b ) 100 , c ) 150 , d ) 200 , e ) 250
[EX A]:
b