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'.
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Question: Problem: in what time will a train 20 m long cross an electric pole , it its speed be 144 km / hr ? 
Options: a ) 2.5 sec , b ) 2.8 sec , c ) 0.5 sec , d ) 2.3 sec , e ) 1.5 sec

Answer: c


Question: Problem: if the wheel is 14 cm then the number of revolutions to cover a distance of 3520 cm is ? 
Options: a ) 22 , b ) 28 , c ) 17 , d ) 12 , e ) 40

Answer: e


Question: Problem: a lion chases a pony 7 hours after the pony runs . lion takes 8 hours to reach the pony . if the average speed of the lion is 49 kmph , what s the average speed of the pony ? 
Options: a ) 28.3 kmph , b ) 29.8 kmph , c ) 28.4 kmph , d ) 29.5 kmph , e ) 29.4 kmph

Answer:
e