In this task, you need to answer the given multiple-choice question on the gain. Gain is the value by which to multiply the input. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

[EX Q]: Problem: a man invested rs . 14400 in rs . 100 shares of a company at 20 % premium . if his company declares 5 % dividend at the end of the year , then how much does he get ? 
Options: a ) 234 , b ) 600 , c ) 388 , d ) 278 , e ) 129
[EX A]: b

[EX Q]: Problem: p and q started a business investing rs . 85,000 and rs . 15,000 respectively . in what ratio the profit earned after 2 years be divided between p and q respectively ? 
Options: a ) 17 : 1 , b ) 17 : 6 , c ) 17 : 9 , d ) 17 : 2 , e ) 17 : 3
[EX A]: e

[EX Q]: Problem: a total of $ 20,000 was invested in two certificates of deposit at simple annual interest rates of 6 percent and 12 percent , respectively . if the total interest on the two certificates was $ 1,440 at the end of one year , what fractional part of the $ 20.000 was invested at the higher rate ? 
Options: a ) 3 / 8 , b ) 2 / 5 , c ) 1 / 5 , d ) 3 / 5 , e ) 3 / 4
[EX A]:
c