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: if 22 men do a work in 55 days , in how many days will 10 men do it ? 
Options: a ) 121 , b ) 123 , c ) 119 , d ) 125 , e ) 127
[A]: a


[Q]: Problem: a train , 800 meter long is running with a speed of 78 km / hr . it crosses a tunnel in 1 minute . what is the length of the tunnel ? 
Options: a ) 650 meter , b ) 555 meter , c ) 500 meter , d ) 458 meter , e ) none of these
[A]: c


[Q]: Problem: a train , 120 meters long travels at a speed of 45 km / hr crosses a bridge in 30 seconds . the length of the bridge is 
Options: a ) 270 m , b ) 255 m , c ) 235 m , d ) 220 m , e ) 240 m
[A]:
b