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: the length of the bridge , which a train 130 metres long and travelling at 108 km / hr can cross in 30 seconds , is : 
Options: a ) 200 m , b ) 225 m , c ) 245 m , d ) 170 m , e ) 240 m

Answer: d


Question: Problem: some persons can do a piece of work in 8 days . two times the number of these people will do half of that work in ? 
Options: a ) 2 , b ) 4 , c ) 5 , d ) 6 , e ) 8

Answer: a


Question: Problem: if the wheel is 9 cm then the number of revolutions to cover a distance of 1056 cm is ? 
Options: a ) 18 , b ) 26 , c ) 14 , d ) 18.7 , e ) 91

Answer:
d