Problem: the ratio between the length and the breadth of a rectangular park is 4 : 1 . if a man cycling along the boundary of the park at the speed of 12 km / hr completes one round in 8 min , then the area of the park ( in sq . m ) is ? 
Options: a ) 1024545 m , b ) 134561 m , c ) 156787 m , d ) 15450 m , e ) 102400 m
e