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: a man can row his boat with the stream at 19 km / h and against the stream in 11 km / h . the man ' s rate is ? 
Options: a ) 4 kmph , b ) 2 kmph , c ) 7 kmph , d ) 8 kmph , e ) 3 kmph
a

Problem: a 4 % stock yield 5 % . the market value of the stock is ? 
Options: a ) rs . 125 , b ) rs . 80 , c ) rs . 99 , d ) rs . 109 , e ) rs . 101
b

Problem: 3 candidates in an election and received 1000 , 2000 and 4000 votes respectively . what % of the total votes did the winning candidate got in that election ? 
Options: a ) 45 % , b ) 50 % , c ) 57.14 % , d ) 60 % , e ) 65.12 %

c