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: the sum of three consecutive even numbers is 63 . find the middle number of the three ?
Options: a ) 14 , b ) 23 , c ) 25 , d ) 29 , e ) 21
answer:
e

question:
Problem: a 250 meter long train crosses a man standing on the platform in 12 sec . what is the speed of the train ?
Options: a ) 228 , b ) 108 , c ) 1266 , d ) 75 , e ) 211
answer:
d

question:
Problem: calculate how much time could be saved if the train would run at its usual speed , given that it ran at 3 / 4 of its own speed and got to its destination in 10 hours ?
Options: a ) 1.5 hrs , b ) 2.5 hrs , c ) 3.5 hrs , d ) 1.2 hrs , e ) 2.9 hrs
answer:
b