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: by selling an article at rs . 800 , a shopkeeper makes a profit of 25 % . at what price should he sell the article so as to make a loss of 15 % ?
Options: a ) 228 , b ) 480 , c ) 267 , d ) 288 , e ) 544
[EX A]: e

[EX Q]: Problem: a sum of money at simple interest amounts to $ 680 in 3 years and to $ 710 in 4 years . the sum is :
Options: a ) $ 153 , b ) $ 698 , c ) $ 590 , d ) $ 549 , e ) $ 675
[EX A]:
c