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: at an election 2 candidates are participated a candidate got 30 % of votes and defeated by 5000 votes . 100 votes are invalid . find the total polled votes ?
Options: a ) 11520 , b ) 12600 , c ) 15000 , d ) 13560 , e ) 12560
b

Problem: a , b and c invested rs . 8000 , rs . 4000 and rs . 8000 respectively in a business . a left after six months . if after eight months , there was a gain of rs . 4005 , then what will be the share of b ?
Options: a ) rs 690 , b ) rs 790 , c ) rs 890 , d ) rs 990 , e ) none of these
c

Problem: a person buys an article at $ 800 . at what price should he sell the article so as to make a profit of 12 % ?
Options: a ) 896 , b ) 890 , c ) 990 , d ) 789 , e ) 740
c