The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, then the area of the park (in sq. m) is:
Options:
A . 15360
B . 153600
C . 30720
D . 307200
Answer: Option B
Perimeter = Distance covered in 8 min. = 12000 x 8 m = 1600 m. 60
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