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'.

Q: Problem: a 250 meter long train crosses a man standing on the platform in 12 sec . what is the speed of the train ? 
Options: a ) 228 , b ) 108 , c ) 1266 , d ) 75 , e ) 211

A: d
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Q: Problem: if 8 men or 12 women can do a piece of work in 20 days , in how many days can the same work be done by 6 men and 11 women ? 
Options: a ) 10 days , b ) 11 days , c ) 12 days , d ) 15 days , e ) 17 days

A: c
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Q: Problem: the length of the bridge , which a train 150 metres long and travelling at 54 km / hr can cross in 30 seconds , is ? 
Options: a ) 340 m . , b ) 350 m . , c ) 320 m . , d ) 330 m . , e ) 360 m .

A:
c
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