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: raman ' s salary was decreased by 50 % and subsequently increased by 50 % . how much percent does he loss . 
Options: a ) 75 , b ) 65 , c ) 45 , d ) 25 , e ) 85
[EX A]: d

[EX Q]: Problem: sheela deposits rs . 4500 in bank savings account . if this is 28 % of her monthly income . what is her monthly income in ? 
Options: a ) 22000 , b ) 27000 , c ) 16071 , d ) 16789 , e ) none of these
[EX A]: c

[EX Q]: Problem: how much interest will $ 10,000 earn in 3 months at an annual rate of 6 % ? 
Options: a ) $ 250 , b ) $ 150 , c ) $ 450 , d ) $ 550 , e ) $ 650
[EX A]:
b