List of top Arithmetic and Mental Ability Questions on Mensuration

The area of a vacant land in the form of a square is 36100 square metres. Then the length of the side of the land is
The difference between the length and breadth of a rectangle is 20 m. It's perimeter is 200 m, then what is the area?
The ratio of length and breadth of a rectangular park is 3:2. 'X' is walking along the boundary of the park at the speed of 6 km/hr and completes one round in 20 minutes. find the area of the park in square meters.