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Question

Field X and Y are to be enclosed with a fencing at the cost of Rs.40 per meter. If the cost on field X is denoted by Cx and that on field Y is denoted by Cy, we have
279769_4430a52113f74ea4a325d287c5e7a158.png
  1. Cx=Cy,
  2. Cx<Cy,
  3. Cx>Cy,
  4. cannot be determined

A
Cx>Cy,
B
Cx=Cy,
C
Cx<Cy,
D
cannot be determined
Solution
Verified by Toppr

The correct option is A Cx=Cy,
Perimeter of field X
=470+290+(470180)+180+(470290)+470=4×470=1880m.
Perimeter of field Y =4×470=1880m.
Hence, Cx=1880×40 and Cy=1880×40
Cx=Cy

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