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:
| 1. | 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: |
|||||||||||||
Answer: Option B Explanation:
Let length = 3x metres and breadth = 2x metres. Then, 2(3x + 2x) = 1600 or x = 160.
|
m = 1600 m.
Length = 480 m and Breadth = 320 m.Leave a Comment