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The length and breadth of a rectangular ...

The length and breadth of a rectangular field are 4 m and 3 m, respectively. The field is divided into two parts by fencing it diagonally. Find the cost of fencing at Rs. 10 per metre.

A

Rs. 50

B

Rs. 30

C

Rs. 40

D

Rs. 70

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The correct Answer is:
A
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