TASK DEFINITION: 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: Problem: if the cost price of 50 articles is equal to the selling price of 15 articles , then the gain or loss percent is ? 
Options: a ) 16 , b ) 127 , c ) 12 , d ) 18 , e ) 233

SOLUTION: e

PROBLEM: 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 80 % profit ? 
Options: a ) 1152 , b ) 230 , c ) 960 , d ) 780 , e ) 400

SOLUTION: a

PROBLEM: Problem: find compound interest on rs . 5000 at 12 % per annum for 1 year , compounded half - yearly . 
Options: a ) rs . 600 , b ) rs . 618 , c ) rs . 525 , d ) rs . 620 , e ) none

SOLUTION:
b