Mathematics
NULL
Medium
Question
The length of a plot is four times its breadth. A playground measuring 1200 m² occupies a third of the total area of the plot. What is the length of the plot in metres?
A
20
B
30
C
60
D
None of these
✓ Official correct answer
Community credibility
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A
20
No member explanations yet for this option.
B
30
No member explanations yet for this option.
C
60
No member explanations yet for this option.
D
None of these
No member explanations yet for this option.
Explanation
Plot area = 3600 m². If breadth = b, length = 4b ⇒ 4b² = 3600 ⇒ b = 30, length = 120 m, which is not in A–C. So None of these.