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: how long does a train 90 m long traveling at 60 kmph takes to cross a bridge of 170 m in length ?
Options: a ) sec , b ) sec , c ) sec , d ) sec , e ) sec
answer:
d

question:
Problem: if the wheel is 28 cm then the number of revolutions to cover a distance of 1056 cm is ?
Options: a ) 3 , b ) 5 , c ) 26 , d ) 12 , e ) 6
answer:
e

question:
Problem: x can finish a work in 20 days . y can finish the same work in 16 days . y worked for 12 days and left the job . how many days does x alone need to finish the remaining work ?
Options: a ) 2 , b ) 3 , c ) 9 , d ) 5 , e ) 8
answer:
d