Answer :

1 m2 - - - Rs. 3.50

Area - - - - - Rs. 1400


So area = = 400m2


Let the side of square land be L.


Since it is a square land, Area = L2


Or L = = 20m


Perimeter of a square = 4L = 4 × 20 = 80m


1m - - - Rs. 8.5


80m - - - - - Rs. 80 × 8.5 = Rs. 680


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