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: a train 140 m long running at 84 kmph crosses a platform in 16 sec . what is the length of the platform ?
Options: a ) 287 , b ) 298 , c ) 233 , d ) 726 , e ) 267

Output: c

Input: Consider Input: Problem: it takes joey the postman 1 hours to run a 7 mile long route every day . he delivers packages and then returns to the post office along the same path . if the average speed of the round trip is 8 mile / hour , what is the speed with which joey returns ?
Options: a ) 11 , b ) 12 , c ) 13 , d ) 8 , e ) 15

Output: d

Input: Consider Input: Problem: a trader sells 80 meters of cloth for rs . 6900 at the profit of rs . 20 per metre of cloth . what is the cost price of one metre of cloth ?
Options: a ) 22 , b ) 75 , c ) 90 , d ) 78 , e ) 66
Output: e