Mathematics
NULL
Medium
Question
The length and breadth of a playground are 36 m and 21 m respectively. Flagstaffs are fixed all along the boundary at a distance of 3 m apart. The number of flagstaffs will be ___________?
A
37
B
38
✓ Official correct answer
C
39
D
40
Community credibility
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A
37
No member explanations yet for this option.
B
38
No member explanations yet for this option.
C
39
No member explanations yet for this option.
D
40
No member explanations yet for this option.
Explanation
Perimeter = 2(36 + 21) = 114 m. Number = 114 / 3 = 38.