The length and breadth of play ground are 36 m and 21 m respectively. Flag staffs are required to be fixed on all along the boundary at a distance of 3 m part. The number of flag staffs will be___________?
Q1. The length and breadth of play ground are 36 m and 21 m respectively. Flag staffs are required to be fixed on all along the boundary at a distance of 3 m part. The number of flag staffs will be___________?
Answer: 38
Explanation: Perimeter = 2×(36+21) = 114 m; at 3 m spacing the number of flag staffs = 114/3 = 38.