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Question

The perimeter of a rectangular field is 480 meters and the ratio between the length and breadth is 5:3. The area of the field is:

A 7,200m² Correct Answer Incorrect Answer
B 15,000m² Correct Answer Incorrect Answer
C 54,000m² Correct Answer Incorrect Answer
D 13,500m² Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

Let the length and breadth be 5x and 3x respectively According to the Question Perimeter of a rectangular field = 2(l + b) = 480 2(5x+3x) = 480 x = 30 Length = 30 × 5 = 150 Breadth = 30 × 3 = 90 Area = 150 × 90 = 13500 m2

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