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: if a radio is purchased for rs 490 and sold for rs 465.50 find the loss % ? 
Options: a ) 5 % , b ) 4 % , c ) 6 % , d ) 8 % , e ) 7 %
[EX A]: a

[EX Q]: Problem: the population of a town is 10000 . it increases annually at the rate of 20 % p . a . what will be its population after 1 year ? 
Options: a ) 12300 , b ) 12350 , c ) 12000 , d ) 12500 , e ) 12600
[EX A]: c

[EX Q]: Problem: the profit earned by selling an article for rs . 832 is equal to the loss incurred when the same article is sold for rs . 448 . what should be the sale price for making 20 % profit ? 
Options: a ) 277 , b ) 960 , c ) 277 , d ) 266 , e ) 768
[EX A]:
e