The ratio between the length and the breadth of a rectangular plot is 7 : 5. If the perimeter of the plot is 288 metres, what is its area?
Choices:
A) 1320 sq . metres
B) 3260 sq . metres
C) 4280 sq . metres
D) 5040 sq . metres
E) none of these

Rationale: let the length and breadth be 7 x and 5 x respectively . then , p = 2 ( 7 x + 5 x ) = 288 â ‡ ’ x = 12 area = 7 ã — 12 ã — 5 ã — 12 = 5040 sq . m . answer d
Answer: D