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'.

Problem: the cost price of a radio is rs . 1500 and it was sold for rs . 1110 , find the loss % ? 
Options: a ) 18 , b ) 16 , c ) 26 , d ) 17 , e ) 11
c

Problem: the cost price of an article is 70 % of the marked price . calculate the gain percent after allowing a discount of 10 % . 
Options: a ) 13.6 % , b ) 28.6 % , c ) 35.6 % , d ) 42.3 % , e ) none
b

Problem: a fruit seller sells mangoes at the rate of rs . 16 per kg and thereby loses 12 % . at what price per kg , he should have sold them to make a profit of 20 % ? 
Options: a ) rs . 21.81 , b ) rs . 12 , c ) rs . 12.25 , d ) rs . 12.31 , e ) none

a