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'.

Input: Consider Input: Problem: a sells a bicycle to b and makes a profit of 25 % . b sells the same bicycle to c at a profit of 25 % . if the final s . p . of the bicycle was rs . 225 , find out the cost price of the bicycle for a . 
Options: a ) 237 , b ) 126 , c ) 971 , d ) 611 , e ) 144

Output: e


Input: Consider Input: Problem: 150 is what percent of 60 ? 
Options: a ) 250 % , b ) 20 % , c ) 50 % , d ) 200 % , e ) 500 %

Output: a


Input: Consider Input: Problem: the population of a village is 10000 . it increases annually at the rate of 20 % p . a . what will be its population after 2 years ? 
Options: a ) 10000 , b ) 12000 , c ) 13000 , d ) 14000 , e ) 14400


Output: e