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'.

Input: Consider Input: Problem: the edges of a cuboid are 4 cm , 4 cm and 6 cm . find the volume of the cuboid ?
Options: a ) 90 , b ) 60 , c ) 96 , d ) 80 , e ) 72

Output: c

Input: Consider Input: Problem: a man rows his boat 75 km downstream and 45 km upstream , taking 2 1 / 2 hours each time . find the speed of the stream ?
Options: a ) 6 , b ) 7 , c ) 5 , d ) 8 , e ) 9

Output: a

Input: Consider Input: Problem: if a train , travelling at a speed of 18 kmph , crosses a pole in 5 sec , then the length of train is ?
Options: a ) 281 m , b ) 25 m , c ) 50 m , d ) 125 m , e ) 75 m
Output: b