The ratio between the length and breadth of a rectangular field is 5:4. If the breadth is 20 meters less than the length. The perimeter of the field is:
Options:
A . 260m
B . 280m
C . 360m
D . None of these
Answer: Option C
5x “ 4x = 20 or x = 20 Length = (5 x 20) m = 100 m Breadth = (4 x 20) = 80 m Perimeter = 2(100+80) = 360 m
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