TASK DEFINITION: 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'.
PROBLEM: Problem: a train passes a station platform in 60 sec and a man standing on the platform in 20 sec . if the speed of the train is 54 km / hr . what is the length of the platform ? 
Options: a ) 615 m , b ) 420 m , c ) 168 m , d ) 197 m , e ) 691 m

SOLUTION: b

PROBLEM: Problem: what percent of a day is 7 hours ? 
Options: a ) 29.2 % , b ) 12.5 % , c ) 13 % , d ) 11.3 % , e ) none of these

SOLUTION: a

PROBLEM: Problem: the length of a side of a hexagon is 7 inches . what is the perimeter ? 
Options: a ) 48 , b ) 42 , c ) 44 , d ) 45 , e ) 40

SOLUTION:
b