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'.

Problem: what is the length of a bridge ( in meters ) , which a train 156 meters long and travelling at 45 km / h can cross in 30 seconds ? 
Options: a ) 203 , b ) 211 , c ) 219 , d ) 227 , e ) 235
c

Problem: what is the angle between the minute hand and the hour hand when the time is 1540 hours ? 
Options: a ) 150 , b ) 160 , c ) 140 , d ) 130 , e ) none
d

Problem: a can build a wall in the same time in which b and c together can do it . if a and b together could do it in 25 days and c alone in 35 days , in what time could b alone do it ? 
Options: a ) 275 days , b ) 178 days , c ) 185 days , d ) 175 days , e ) 675 days

d