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: find the simple interest on rs . 350 for 10 months at 5 paisa per month ? 
Options: a ) 277 , b ) 175 , c ) 288 , d ) 266 , e ) 121

Output: b


Input: Consider Input: Problem: ravi and kavi start a business by investing â ‚ ¹ 4000 and â ‚ ¹ 72000 , respectively . find the ratio of their profits at the end of year . 
Options: a ) 2 : 28 , b ) 5 : 28 , c ) 7 : 18 , d ) 1 : 18 , e ) 3 : 18

Output: d


Input: Consider Input: Problem: the owner of a furniture shop charges his customer 25 % more than the cost price . if a customer paid rs . 1000 for a computer table , then what was the cost price of the computer table ? 
Options: a ) 620 , b ) 400 , c ) 45 , d ) 500 , e ) 800


Output: e