In this task, you need to answer the given multiple-choice question on the physics. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

[EX Q]: Problem: someone on a skateboard is traveling 8 miles per hour . how many feet does she travel in 5 seconds ? ( 1 mile = 5280 feet ) 
Options: a ) 60 ft , b ) 52 ft , c ) 53 ft , d ) 55 ft , e ) 58.65 ft
[EX A]: e

[EX Q]: Problem: a train 605 m long is running with a speed of 60 km / hr . in what time will it pass a man who is running at 6 km / hr in the direction opposite to that in which the train is going ? 
Options: a ) 81 , b ) 16 , c ) 33 , d ) 54 , e ) 12
[EX A]: c

[EX Q]: Problem: if 12 men or 20 women can do a piece of work in 108 days , then in how many days can 9 men and 12 women together do the work ? 
Options: a ) 10 days , b ) 30 days , c ) 20 days , d ) 80 days , e ) 40 days
[EX A]:
d