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: there is 50 % increase in an amount in 6 years at s . i . what will be the c . i . of rs . 12,000 after 3 years at the same rate ? 
Options: a ) 2160 , b ) 3120 , c ) 17988 , d ) 6240 , e ) 5240

Output: c


Input: Consider Input: Problem: during a thanksgiving weekend , a car rental company rented 6 - tenths of their vehicles , including two - fifths of the 4 wds that it had . if 40 % of the vehicles are 4 wds , then what percent of the vehicles that were not rented were not 4 wds ? 
Options: a ) 20 % , b ) 30 % , c ) 40 % , d ) 50 % , e ) 60 %

Output: c


Input: Consider Input: Problem: a candidate got 34 % of the votes polled and he lost to his rival by 640 votes . how many votes were cast ? 
Options: a ) 2000 , b ) 2400 , c ) 2800 , d ) 3200 , e ) 3600


Output: a