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'.

[Q]: Problem: a man walking at a rate of 15 km / hr crosses a bridge in 10 minutes . the length of the bridge is ? 
Options: a ) 500 m , b ) 1110 m , c ) 950 m , d ) 1000 m , e ) 1300 m
[A]: a


[Q]: Problem: if 15 % of 40 is greater than 25 % of a number by 2 , the number is 
Options: a ) 14 , b ) 16 , c ) 18 , d ) 20 , e ) 22
[A]: b


[Q]: Problem: how long will a boy take to run round a square field of side 35 metres . if he runs at the rate of 9 km / hr ? 
Options: a ) 56 sec , b ) 1 minute , c ) 45 sec , d ) 58 sec , e ) 50 sec
[A]:
a