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 can do a work in 4 days . b can do the same work in 6 days . both a & b together will finish the work and they got $ 1000 from that work . find their shares ? 
Options: a ) 600,400 , b ) 500,500 , c ) 300,700 , d ) 800,200 , e ) 550,450
[A]: a


[Q]: Problem: if a train , travelling at a speed of 360 kmph , crosses a pole in 5 sec , then the length of train is ? 
Options: a ) 381 m , b ) 112 m , c ) 500 m , d ) 125 m , e ) 433 m
[A]: c


[Q]: Problem: if 8 men can reap 80 hectares in 24 days , then how many hectares can 36 men reap in 30 days ? 
Options: a ) 127 , b ) 237 , c ) 287 , d ) 450 , e ) 281
[A]:
d