instruction:
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'.
question:
Problem: a man can row upstream at 15 kmph and downstream at 25 kmph , and then find the speed of the man in still water ?
Options: a ) 27 , b ) 29 , c ) 30 , d ) 20 , e ) 24
answer:
d

question:
Problem: a train 110 m long is running with a speed of 24 km / hr . in what time will it pass a man who is running at 6 km / hr in the direction opposite to that in which the train is going ?
Options: a ) 7 sec , b ) 6 sec , c ) 8 sec , d ) 14 sec , e ) 13.2 sec
answer:
e

question:
Problem: a taxi leaves point a 5 hours after a bus left the same spot . the bus is traveling 10 mph slower than the taxi . find the speed of the taxi , if it overtakes the bus in three hours .
Options: a ) 20 , b ) 24 , c ) 32 , d ) 16 , e ) 40
answer:
d