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'.

[EX Q]: Problem: if the product of two numbers is 45276 and their h . c . f . is 22 , find their l . c . m . 
Options: a ) 2574 , b ) 2500 , c ) 2100 , d ) 2058 , e ) none of these
[EX A]: d

[EX Q]: Problem: excluding stoppages , the speed of a bus is 58 kmph and including stoppages , it is 40 kmph . for how many minutes does the bus stop per hour ? 
Options: a ) 19 , b ) 19.13 , c ) 10.5 , d ) 11.35 , e ) none of these
[EX A]: a

[EX Q]: Problem: a train 250 m long , running with a speed of 50 km / hr will pass a tree in ? 
Options: a ) 18 sec , b ) 20 sec , c ) 25 sec , d ) 30 sec , e ) 1 min
[EX A]:
a